Cotinine. Medical search

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The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to tobacco SMOKING. It has CNS stimulating properties.

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Contamination of the air by tobacco smoke.

Inhaling and exhaling the smoke of burning TOBACCO.

Nicotine is highly toxic alkaloid. It is the prototypical agonist at nicotinic cholinergic receptors where it dramatically stimulates neurons and ultimately blocks synaptic transmission. Nicotine is also important medically because of its presence in tobacco smoke.

Elements of limited time intervals, contributing to particular results or situations.

Discontinuation of the habit of smoking, the inhaling and exhaling of tobacco smoke.

The clear, viscous fluid secreted by the SALIVARY GLANDS and mucous glands of the mouth. It contains MUCINS, water, organic salts, and ptylin.

PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS.

Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more.

A systematic collection of factual data pertaining to the nutritional status of a human population within a given geographic area. Data from these surveys are used in preparing NUTRITION ASSESSMENTS.

Method in which repeated blood pressure readings are made while the patient undergoes normal daily activities. It allows quantitative analysis of the high blood pressure load over time, can help distinguish between types of HYPERTENSION, and can assess the effectiveness of antihypertensive therapy.

A personality trait rendering the individual acceptable in social or interpersonal relations. It is related to social acceptance, social approval, popularity, social status, leadership qualities, or any quality making him a socially desirable companion.

A class of compounds that contain a -NH2 and a -NO radical. Many members of this group have carcinogenic and mutagenic properties.

Techniques for using whole blood samples collected on filter paper for a variety of clinical laboratory tests.

Substances that increase the risk of NEOPLASMS in humans or animals. Both genotoxic chemicals, which affect DNA directly, and nongenotoxic chemicals, which induce neoplasms by other mechanism, are included.

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Derivatives of GLUCURONIC ACID. Included under this heading are a broad variety of acid forms, salts, esters, and amides that include the 6-carboxy glucose structure.

Insurance providing for payment of a stipulated sum to a designated beneficiary upon death of the insured.

Items used to aid in ending a TOBACCO habit.

Organizations which assume the financial responsibility for the risks of policyholders.

The application of suitable drug dosage forms to the skin for either local or systemic effects.

Drugs that bind to and activate nicotinic cholinergic receptors (RECEPTORS, NICOTINIC). Nicotinic agonists act at postganglionic nicotinic receptors, at neuroeffector junctions in the peripheral nervous system, and at nicotinic receptors in the central nervous system. Agents that function as neuromuscular depolarizing blocking agents are included here because they activate nicotinic receptors, although they are used clinically to block nicotinic transmission.

Glycosides of GLUCURONIC ACID formed by the reaction of URIDINE DIPHOSPHATE GLUCURONIC ACID with certain endogenous and exogenous substances. Their formation is important for the detoxification of drugs, steroid excretion and BILIRUBIN metabolism to a more water-soluble compound that can be eliminated in the URINE and BILE.

A stable, physiologically active compound formed in vivo from the prostaglandin endoperoxides. It is important in the platelet-release reaction (release of ADP and serotonin).

Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high speed.

An analytical method used in determining the identity of a chemical based on its mass using mass analyzers/mass spectrometers.

Substances and products derived from NICOTIANA TABACUM.

Tobacco used to the detriment of a person's health or social functioning. Tobacco dependence is included.

Powdered or cut pieces of leaves of NICOTIANA TABACUM which are inhaled through the nose, chewed, or stored in cheek pouches. It includes any product of tobacco that is not smoked.

A plant genus of the family SOLANACEAE. Members contain NICOTINE and other biologically active chemicals; its dried leaves are used for SMOKING.

Persons living in the United States having origins in any of the black groups of Africa.

The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.

Individuals whose ancestral origins are in the continent of Europe.

(S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates nicotinic receptors to evoke [3H]dopamine release from rat striatal slices in a calcium-dependent manner. (1/809)

Cotinine, a major peripheral metabolite of nicotine, has recently been shown to be the most abundant metabolite in rat brain after peripheral nicotine administration. However, little attention has been focused on the contribution of cotinine to the pharmacological effects of nicotine exposure in either animals or humans. The present study determined the concentration-response relationship for (S)-(-)-cotinine-evoked 3H overflow from superfused rat striatal slices preloaded with [3H]dopamine ([3H]DA) and whether this response was mediated by nicotinic receptor stimulation. (S)-(-)-Cotinine (1 microM to 3 mM) evoked 3H overflow from [3H]DA-preloaded rat striatal slices in a concentration-dependent manner with an EC50 value of 30 microM, indicating a lower potency than either (S)-(-)-nicotine or the active nicotine metabolite, (S)-(-)-nornicotine. As reported for (S)-(-)-nicotine and (S)-(-)-nornicotine, desensitization to the effect of (S)-(-)-cotinine was observed. The classic nicotinic receptor antagonists mecamylamine and dihydro-beta-erythroidine inhibited the response to (S)-(-)-cotinine (1-100 microM). Additionally, 3H overflow evoked by (S)-(-)-cotinine (10-1000 microM) was inhibited by superfusion with a low calcium buffer. Interestingly, over the same concentration range, (S)-(-)-cotinine did not inhibit [3H]DA uptake into striatal synaptosomes. These results demonstrate that (S)-(-)-cotinine, a constituent of tobacco products and the major metabolite of nicotine, stimulates nicotinic receptors to evoke the release of DA in a calcium-dependent manner from superfused rat striatal slices. Thus, (S)-(-)-cotinine likely contributes to the neuropharmacological effects of nicotine and tobacco use. (+info)

The effect of cotinine or cigarette smoke co-administration on the formation of O6-methylguanine adducts in the lung and liver of A/J mice treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) (2/809)

4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), a tobacco-specific nitrosamine, induces lung adenomas in A/J mice, following a single intraperitoneal (i.p.) injection. However, inhalation of tobacco smoke has not induced or promoted tumors in these mice. NNK-induced lung tumorigenesis is thought to involve O6-methylguanine (O6MeG) formation, leading to GC-->AT transitional mispairing and an activation of the K-ras proto-oncogene in the A/J mouse. NNK can be metabolized by several different cytochromes P450, resulting in a number of metabolites. Formation of the promutagenic DNA adduct O6MeG is believed to require metabolic activation of NNK by cytochrome P450-mediated alpha-hydroxylation of the methylene group adjacent to the N-nitroso nitrogen to yield the unstable intermediate, methanediazohydroxide. Nicotine, cotinine (the major metabolite of nicotine), and aqueous cigarette tar extract (ACTE) have all been shown to effectively inhibit metabolic activation of NNK to its mutagenic form, most likely due to competitive inhibition of the cytochrome P450 enzymes involved in alpha-hydroxylation of NNK. The objective of the current study was to monitor the effects of cotinine and cigarette smoke (CS) on the formation of O6MeG in target tissues of mice during the acute phase of NNK treatment. To test the effect of cotinine, mature female A/J mice received a single intraperitoneal injection of NNK (0, 2.5, 5, 7.5, or 10 mumole/mouse) with cotinine administered at a total dose of 50 mumole/mouse in 3 separate i.p. injections, administered 30 min before, immediately after, and 30 min after NNK treatment. To test the effect of whole smoke exposure on NNK-related O6MeG formation, mice were exposed to smoke generated from Kentucky 1R4F reference cigarettes at 0, 0.4, 0.6, or 0.8 mg wet total particulate matter/liter (WTPM/L) for 2 h, with a single i.p. injection of NNK (0, 3.75, or 7.5 mumole/mouse) midway through the exposure. Cigarette smoke alone failed to yield detectable levels of O6MeG. The number of O6MeG adducts following i.p. injection of NNK was significantly (p < 0.05) reduced in both lung and liver by cotinine and by cigarette smoke exposure. Our results demonstrate that NNK-induced O6MeG DNA adducts in A/J mice are significantly reduced when NNK is administered together with either cotinine, the major metabolite of nicotine, or the parental complex mixture, cigarette smoke. (+info)

Detection of benzo[a]pyrene diol epoxide-DNA adducts in embryos from smoking couples: evidence for transmission by spermatozoa. (3/809)

Tobacco smoking is deleterious to reproduction. Benzo[a]pyrene (B[a]P) is a potent carcinogen in cigarette smoke. Its reactive metabolite induces DNA-adducts, which can cause mutations. We investigated whether B[a]P diol epoxide (BPDE) DNA adducts are detectable in preimplantation embryos in relation to parental smoking. A total of 17 couples were classified by their smoking habits: (i) both partners smoke; (ii) wife non-smoker, husband smokes; and (iii) both partners were non-smokers. Their 27 embryos were exposed to an anti-BPDE monoclonal antibody that recognizes BPDE-DNA adducts. Immunostaining was assessed in each embryo and an intensity score was calculated for embryos in each smoking group. The proportion of blastomeres which stained was higher for embryos of smokers than for non-smokers (0.723 versus 0.310). The mean intensity score was also higher for embryos of smokers (1.40+/-0.28) than for non-smokers (0.38+/-0.14; P = 0.015), but was similar for both types of smoking couples. The mean intensity score was positively correlated with the number of cigarettes smoked by fathers (P = 0.02). Increased mean immunostaining in embryos from smokers, relative to non-smokers, indicates a relationship with parental smoking. The similar levels of immunostaining in embryos from both types of smoking couples suggest that transmission of modified DNA is mainly through spermatozoa. We confirmed paternal transmission of modified DNA by detection of DNA adducts in spermatozoa of a smoker father and his embryo. (+info)

Metabolites of a tobacco-specific carcinogen in urine from newborns. (4/809)

BACKGROUND: Cigarette smoking during pregnancy can result in fetal exposure to carcinogens that are transferred from the mother via the placenta, but little information is available on fetal uptake of such compounds. We analyzed samples of the first urine from newborns whose mothers did or did not smoke cigarettes for the presence of metabolites of the potent tobacco-specific transplacental carcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK). METHODS: The urine was collected and analyzed for two metabolites of NNK, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) and its glucuronide (NNAL-Gluc). Gas chromatography and nitrosamine-selective detection, with confirmation by mass spectrometry, were used in the analyses, which were performed without knowledge of the origin of the urine samples. RESULTS: NNAL-Gluc was detected in 22 (71%) of 31 urine samples from newborns of mothers who smoked; NNAL was detected in four of these 31 urine samples. Neither compound was detected in the 17 urine samples from newborns of mothers who did not smoke. The arithmetic mean level of NNAL plus NNAL-Gluc in the 27 newborns of smokers for which both analytes were quantified was 0.14 (95% confidence interval [CI] = 0.083-0.200) pmol/mL. The levels of NNAL plus NNAL-Gluc in the urine from these babies were statistically significantly higher than those in the urine from newborns of nonsmoking mothers (geometric means = 0.062 [95% CI = 0.035-0.110] and 0.010 [considered as not detected; no confidence interval], respectively; two-sided P<.001). NNAL plus NNAL-Gluc levels in the 18 positive urine samples in which both analytes were quantified ranged from 0.045 to 0.400 pmol/mL, with an arithmetic mean level of 0.20 (95% CI = 0.14-0.26) pmol/mL, about 5%-10% of the levels of these compounds detected in the urine from adult smokers. CONCLUSIONS: Two metabolites of the tobacco-specific transplacental carcinogen NNK can be detected in the urine from newborns of mothers who smoked cigarettes during pregnancy. (+info)

Urinary cotinine and exposure to parental smoking in a population of children with asthma. (5/809)

BACKGROUND: Studies of the effects of tobacco smoke often rely on reported exposure to cigarette smoke, a measure that is subject to bias. We describe here the relationship between parental smoking exposure as assessed by urinary cotinine excretion and lung function in children with asthma. METHODS: We studied 90 children 4-14 years of age, who reported a confirmed diagnosis or symptoms of asthma. In each child, we assessed baseline pulmonary function (spirometry) and bronchial responsiveness to carbachol stimulation. Urinary cotinine was measured by HPLC with ultraviolet detection. RESULTS: Urinary cotinine concentrations in the children were significantly correlated (P <0.001) with the number of cigarettes the parents, especially the mothers, smoked. Bronchial responsiveness to carbachol (but not spirometry test results) was correlated (P <0.03) with urinary cotinine in the children. CONCLUSION: Passive smoke exposure increases the bronchial responsiveness to carbachol in asthmatic children. (+info)

Tobacco smoke exposure at one month of age and subsequent risk of SIDS--a prospective study. (6/809)

The aim of this investigation was to identify the sources of postnatal exposure to tobacco smoke at 1 month of age and to examine their relation to sudden infant death syndrome (SIDS). The Tasmanian Infant Health Survey was a prospective cohort study undertaken from 1988 to 1995. It involved 9,826 infants (89% of eligible infants) at higher risk of SIDS. Subsequently 53 eligible infants died of SIDS. Hospital interviews were available on 51 and home interviews on 35 SIDS infants. Urinary cotinine assays were conducted using gas-liquid chromatography (n = 100). Within a predictive model that explained 63% of urinary cotinine variance, the strongest predictor of cotinine and also of SIDS was maternal smoking, though the effects of prenatal and postnatal smoking could not be separated. However, for particular smoking-related behaviors, there was a discordance between prediction of cotinine concentration and prediction of risk of SIDS. If smoking mothers did not smoke in the room with the baby, the cotinine level in the infant's urine was reduced by a little more than a half (p = 0.009), but this was not associated with a reduction in SIDS risk (odds ratio = 1.09, 95% confidence interval 0.47-2.55). Similarly, the presence of other adult resident smokers was associated with a 63% increase in urinary cotinine (p = 0.047) but not with increased SIDS risk (odds ratio = 0.69, 95% confidence interval 0.34-1.40). However, the study lacked the power to detect modest effects, that is, those altering risk less than twofold. (+info)

Minor tobacco alkaloids as biomarkers for tobacco use: comparison of users of cigarettes, smokeless tobacco, cigars, and pipes. (7/809)

OBJECTIVES: This study (1) determined levels of various tobacco alkaloids in commercial tobacco products. (2) determined urinary concentrations, urinary excretion, and half-lives of the alkaloids in humans; and (3) examined the possibility that urine concentrations of nicotine-related alkaloids can be used as biomarkers of tobacco use. METHODS: Nicotine intake from various tobacco products was determined through pharmacokinetic techniques. Correlations of nicotine intake with urinary excretion and concentrations of anabasine, anatabine, nornicotine, nicotine, and cotinine were examined. By using urinary excretion data, elimination half-lives of the alkaloids were calculated. RESULTS: Alkaloid levels in commercial tobacco products, in milligrams per gram, were as follows: nicotine, 6.5 to 17.5; nornicotine, 0.14 to 0.66; anabasine, 0.008 to 0.030; and anatabine, 0.065 to 0.27. Measurable concentrations of all alkaloids were excreted in the urine of most subjects smoking cigarettes, cigars, and pipes and using smokeless tobacco. Correlations between nicotine intake and alkaloid concentrations were good to excellent. CONCLUSIONS: Anabasine and anatabine, which are present in tobacco but not in nicotine medications, can be used to assess tobacco use in persons undergoing nicotine replacement therapy. (+info)

Advising parents of asthmatic children on passive smoking: randomised controlled trial. (8/809)

OBJECTIVE: To investigate whether parents of asthmatic children would stop smoking or alter their smoking habits to protect their children from environmental tobacco smoke. DESIGN: Randomised controlled trial. SETTING: Tayside and Fife, Scotland. PARTICIPANTS: 501 families with an asthmatic child aged 2-12 years living with a parent who smoked. INTERVENTION: Parents were told about the impact of passive smoking on asthma and were advised to stop smoking or change their smoking habits to protect their child's health. MAIN OUTCOME MEASURES: Salivary cotinine concentrations in children, and changes in reported smoking habits of the parents 1 year after the intervention. RESULTS: At the second visit, about 1 year after the baseline visit, a small decrease in salivary cotinine concentrations was found in both groups of children: the mean decrease in the intervention group (0.70 ng/ml) was slightly smaller than that of the control group (0.88 ng/ml), but the net difference of 0.19 ng/ml had a wide 95% confidence interval (-0.86 to 0.48). Overall, 98% of parents in both groups still smoked at follow up. However, there was a non-significant tendency for parents in the intervention group to report smoking more at follow up and to having a reduced desire to stop smoking. CONCLUSIONS: A brief intervention to advise parents of asthmatic children about the risks from passive smoking was ineffective in reducing their children's exposure to environmental tobacco smoke. The intervention may have made some parents less inclined to stop smoking. If a clinician believes that a child's health is being affected by parental smoking, the parent's smoking needs to be addressed as a separate issue from the child's health. (+info)

"Time to first cigarette after waking predicts cotinine levels". Cancer Epidemiology, Biomarkers & Prevention. 18 (12): 3415- ...

https://en.wikipedia.org/wiki/Youth_smoking

"Nicotine and cotinine in infants dying from sudden infant death syndrome". International Journal of Legal Medicine. 122 (1): 23 ...

https://en.wikipedia.org/wiki/Smoking_and_pregnancy

"A selective molecularly imprinted polymer-carbon nanotube sensor for cotinine sensing". Journal of Molecular Recognition. 27 (1 ...

https://en.wikipedia.org/wiki/Chemiresistor

Sodium, potassium, iodine and cotinine will be assessed in the urine samples. This sub-study is supported by an agreement with ...

https://en.wikipedia.org/wiki/Study_on_Global_Ageing_and_Adult_Health

Barreto GE, Iarkov A, Moran VE (2014). "Beneficial effects of nicotine, cotinine and its metabolites as potential agents for ...

https://en.wikipedia.org/wiki/Neuroprotection

... and nicotine and cotinine levels in professional baseball players". American Journal of Public Health. 82 (3): 417-21. doi: ...

https://en.wikipedia.org/wiki/Dipping_tobacco

For example, the fingerprints of tobacco smokers contain traces of cotinine, a nicotine metabolite; they also contain traces of ... By treating the fingerprint with gold nanoparticles with attached cotinine antibodies, and then subsequently with a fluorescent ... agent attached to cotinine antibodies, the fingerprint of a smoker becomes fluorescent; non-smokers' fingerprints stay dark.[ ...

https://en.wikipedia.org/wiki/Fingerprint

Compared with the reported rates, the actual rates, which were measured using urinary cotinine concentration (UCC) methods, ... discrepancies in smoking rates between self-reports and urinary cotinine level". BMC Women's Health. 14: 156. doi:10.1186/ ...

https://en.wikipedia.org/wiki/Smoking_in_South_Korea

A variety of pharmaceutical drugs are 2-pyrrolidone derivatives, including cotinine, doxapram, povidone, and ethosuximide, and ...

https://en.wikipedia.org/wiki/2-Pyrrolidone

Cotinine. Cotinine, the metabolite of nicotine, is a biomarker of secondhand smoke exposure. Typically, cotinine is measured in ... cotinine levels found in the urine reflect exposure only over the preceding 48 hours. Cotinine levels of the skin, such as the ... Cotinine accumulates in hair during hair growth, which results in a measure of long-term, cumulative exposure to tobacco smoke. ... Carbon monoxide monitored through breath, nicotine, cotinine, thiocyanates, and proteins are the most specific biological ...

https://en.m.wikipedia.org/wiki/Second_hand_smoke

... such as cotinine or nicotine. PVP is typically prepared by free radical polymerization of 4-vinylphenol or a protected form of ...

https://en.wikipedia.org/wiki/Poly(4-vinylphenol)

Cosmegen CosmoFer Cosopt Cotazym cotinine (INN) Cotrim cotriptyline (INN) Coumadin. Redirects to Warfarin. coumafos (INN) ...

https://en.wikipedia.org/wiki/List_of_drugs:_Cm–Co

The molecular formula C10H12N2O (molar mass 176.22 g/mol, exact mass : 176.094963) may refer to: Cotinine, a substance found in ...

https://en.wikipedia.org/wiki/C10H12N2O

3-Butadiene Carbonyl compounds Carbon monoxide Cotinine Crotonaldehyde Ethylene oxide Flavorings Formaldehyde Glycerin Isoprene ...

https://en.wikipedia.org/wiki/Composition_of_heated_tobacco_product_emissions

... took urine samples of the workers to estimate the internal dose the workers were absorbing and found they had blood cotinine (a ...

https://en.wikipedia.org/wiki/Occupational_health_and_safety_in_the_casino_industry

... cotinine, anabasine, myosmine, and beta-nicotyrine. The TSNAs N-nitrosonornicotine (NNN), 4-(methylnitrosamino)-1-(3-pyridyl)-1 ...

https://en.wikipedia.org/wiki/Construction_of_electronic_cigarettes

One study showed that children who live in homes in which no one smokes inside have a 45% increase in cotinine levels if they ...

https://en.wikipedia.org/wiki/Smoke-free_multi-unit_housing

Tobacco-specific impurities such as cotinine, nicotine-N'-oxides (cis and trans isomers), and beta-nornicotyrine are believed ...

https://en.wikipedia.org/wiki/Composition_of_electronic_cigarette_aerosol

... croupiers suffered from more respiratory ailments than their administrative counterparts at the casinos and had cotinine and ...

https://en.wikipedia.org/wiki/Croupier

"Beneficial effects of nicotine, cotinine and its metabolites as potential agents for Parkinson's disease". Frontiers in Aging ...

https://en.wikipedia.org/?title=Parkinson's_disease

Bajanowski T., Brinkmann B., Mitchell E., Vennemann M., Leukel H., Larsch K., Beike J., Gesid G. (2008). "Nicotine and cotinine ...

https://simple.wikipedia.org/wiki/Sudden_infant_death_syndrome

Dwoskin LP, Teng L, Buxton ST, Crooks PA (1999). „(S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates ... Disconnection between activation and desensitization of autonomic nicotinic receptors by nicotine and cotinine". Neuroscience ...

https://sr.wikipedia.org/wiki/Kotinin

"Urinary cotinine concentration confirms the reduced risk of preeclampsia with tobacco exposure". American Journal of ...

https://sl.wikipedia.org/wiki/Nikotin

Etter JF, Bullen C. Saliva cotinine levels in users of electronic cigarettes. Eur Respir J 2011;38:1219-20. ...

https://et.wikipedia.org/wiki/Elektrooniline_sigaret

Recent studies have shown a positive relationship between psychological distress and salivary cotinine levels in smoking and ...

https://en.wikipedia.org/wiki/Health_effects_of_tobacco

"Urinary cotinine concentration confirms the reduced risk of preeclampsia with tobacco exposure". American Journal of ...

https://kn.wikipedia.org/wiki/ನಿಕೋಟಿನ್

In the US, "yohimbe" preparations are sold as a dietary supplements for enhancing libido, for weight loss and as aids for bodybuilding; but "There is virtually no published research on yohimbe which supports these or any other claims".[9]:861 Often, these products explicitly claim to contain yohimbine.[8] Cohen et al. found that samples of brands sold in American brick-and-mortar stores contained highly variable amounts of yohimbine, and sometimes none at all.[8]:368 Labelling claims were often misleading.[8]:368 Similar results have been reported by other laboratories for products sold in the U.S., in other countries and on the internet.[15][16][17][18][19] One study found that many brands of "yohimbe" might not derive from the P. johimbe tree in the first place.[20] According to yet another source the yohimbe sold in markets in West Africa, where the tree grows, is frequently adulterated with other species of the genus Pausinystalia; these contain little yohimbine.[21] The amounts of alkaloid ...

https://en.wikipedia.org/wiki/Yohimbine

Ji, Jianguo; Bunnelle, William H.; Anderson, David J.; Faltynek, Connie; Dyhring, Tino; Ahring, Philip K.; Rueter, Lynne E.; Curzon, Peter; Buckley, Michael J.; Marsh, Kennan C.; Kempf-Grote, Anita; Meyer, Michael D. (2007). "A-366833: A novel nicotinonitrile-substituted 3,6-diazabicyclo[3.2.0]-heptane α4β2 nicotinic acetylcholine receptor selective agonist: Synthesis, analgesic efficacy and tolerability profile in animal models". Biochemical Pharmacology. 74 (8): 1253-1262. doi:10.1016/j.bcp.2007.08.010. PMID 17854775 ...

https://en.wikipedia.org/wiki/A-366,833

... is a drug and research chemical used in scientific studies. It acts as a monoamine releasing agent with 20- to 48-fold selectivity for releasing dopamine versus serotonin. It is most efficacious as a releaser of norepinephrine, with an ec50 of 109/41.4/5246nM for DA/NE/5HT, respectively .[1] It has a fast onset of action and a short duration.[1] It also functions as a monoamine oxidase inhibitor (MAOI) with preference for MAO-A.[2] ...

https://en.wikipedia.org/wiki/4-Benzylpiperidine

... , also known as (-)-3β-(4-iodophenyl)tropane-2β-pyrrolidine carboxamide and RTI-4229-229, is a potent and long-lasting stimulant drug which was developed in the 1990s as part of a large group of related analogues from the phenyltropane family. With the combination of two potent dopamine transporter (DAT) binding motifs attached to the tropane ring, the p-iodophenyl group at the 3β-position and a pyrrolidine carboxamide at 2β, RTI-229 has extremely high selectivity for the dopamine transporter (2600x and 4600x selective over NET and 5-HTT respectively) and is one of the most DAT-selective compounds in the RTI series.[1][2] ...

https://en.wikipedia.org/wiki/RTI-229

In addition, sometimes cotinine levels are used to determine nicotines presence in the body. Cotinine is what nicotine becomes ...

https://www.fastmed.com/health-resources/how-long-does-nicotine-stay-in-your-blood/

Measuring cotinine is preferred to measuring nicotine because cotinine remains in the body longer. ... Levels of Cotinine in the Nonsmoking U.S. Population. In the Fourth National Report on Human Exposure to Environmental ... Cotinine is a product formed after the chemical nicotine enters the body. Nicotine is a chemical found in tobacco products, ... Measuring cotinine in peoples blood is the most reliable way to determine exposure to nicotine for both smokers and nonsmokers ...

https://www.cdc.gov/biomonitoring/Cotinine_Factsheet.html

Cotinine is the major metabolite of nicotine in man. We studied cotinine disposition kinetics in 28 healthy habitual cigarette ... Cotinine disposition and effects.. Benowitz NL, Kuyt F, Jacob P 3rd, Jones RT, Osman AL. ... Eight subjects received cotinine fumarate, 4 micrograms base/kg/min IV for 60 min. Mean (+/- SD) metabolic clearance was 60 ... The effect of urinary acidification and alkalinization on renal clearance of cotinine during cigarette smoking was studied in ...

https://www.ncbi.nlm.nih.gov/pubmed/6627820?dopt=Abstract

Secondhand smoke exposure and serum cotinine levels among current smokers in the USA Ryan P Lindsay, Janice Y Tsoh, Hai-Yen ... Salivary cotinine concentration and carbon monoxide levels in young adults smoking midwakh in comparison with cigarette smokers ... Active smoking, secondhand smoke exposure and serum cotinine levels among Cheyenne River Sioux communities in context of a ...

https://tobaccocontrol.bmj.com/keyword/cotinine

Nicotine; Cotinine Why Get Tested?. To detect the presence of and/or measure the quantity of nicotine or cotinine in blood, ... Cotinine may also be measured in saliva and in hair, although hair testing is primarily used in a research setting, such as a ... Cotinine is usually the test of choice to evaluate tobacco use or exposure to tobacco smoke because it is stable and is only ... Cotinine has a half-life in the body of between 7 and 40 hours, while nicotine has a half-life of 1 to 4 hours. ...

https://www.labcorp.com/help/patient-test-info/nicotine--cotinine

Cotinine for your research needs. Find product specific information including CAS, MSDS, protocols and references. ... Cotinine ≥98% Synonym: (S). -. 1-. Methyl-. 5-. (3-. pyridyl). -. 2-. pyrrolidinone, S(−)-1-Methyl-5-(3-pyridyl)-2-pyrrolidone ...

https://www.sigmaaldrich.com/catalog/product/sigma/c5923?lang=en®ion=US

Point of care cotinine testing in pregnancy. Shipton et al (BMJ 29th October 2009) have once again highlighted the. problem of ... cotinine test into routine community care to reduce smoking in pregnancy -. a pilot study. Eur Conf Tob or Health, Basel, ... positive sample for cotinine turning shades of pink) was shown to the. smoker along with the quantitative result. This feedback ... cotinine monitoring, and on a urine sample that is routinely brought to. clinic and so removing further patient involvement. ...

https://www.bmj.com/rapid-response/2011/11/02/point-care-cotinine-testing-pregnancy

LBXCOT - Cotinine (ng/mL). Variable Name: LBXCOT. SAS Label: Cotinine (ng/mL). English Text: Cotinine (ng/mL). Target: Both ... Cotinine concentrations are derived from the ratio of native to labeled cotinine in the sample by comparisons to a standard ... Cotinine may be measured in serum, urine or saliva - the half-life of cotinine in all three fluids is essentially the same. ... Cotinine is a major metabolite of nicotine that may be used as a marker for both active smoking, and as an index to ...

https://wwwn.cdc.gov/Nchs/Nhanes/2005-2006/COT_D.htm

Of the children with reported exposure, 87.6% had detectable serum cotinine and 97.7% had detectable salivary cotinine. ... Cotinine in children admitted for asthma and readmission.. Howrylak JA1, Spanier AJ, Huang B, Peake RW, Kellogg MD, Sauers H, ... had detectable serum cotinine and 69.9% had detectable salivary cotinine. ... We measured serum and saliva cotinine levels with mass spectrometry. We used logistic regression to evaluate associations ...

https://www.ncbi.nlm.nih.gov/pubmed/24446438

I want to do a cotinine test in children under five of home based bidi making. I want to know more about the test and its cost ... I want to do a cotinine test in children under five of home based bidi making. I want to know more about the test and its cost ...

http://www.mylot.com/post/327342/urine-cotinine-test

Topic: Cotinine. American Heart Association says Kids need to be Protected from toxic Secondhand Smoke. September 15, 2016 , ...

https://www.clarksvilleonline.com/tag/cotinine/

... cotinine levels fall below the detectable range after two weeks of abstinence, according to Mayo Clinic. This means that the ... The average half-life of nicotine is two hours, while the half-life of cotinine is 15 hours. The range of cotinine in the blood ... Elevated levels of cotinine have been found in individuals exposed to second-hand smoking. Levels as high as 8 nanograms per ... In most heavy smokers, cotinine levels fall below the detectable range after two weeks of abstinence, according to Mayo Clinic. ...

https://www.reference.com/health/long-cotinine-detectable-blood-5f1a91bb936a2a4a

Qualitative detection of cotinine in oral fluids at 30 ng/mL cutoff ...

https://www.medline.com/product/iScreen-OFD-Cotinine-Tests-by-Abbott/Z05-PF76500

Cotinine and Blood Pressure Levels: Variability Omitted Once Again. Costas Thomopoulos, Carolina Lombardi, Gianfranco Parati ... Cotinine and Blood Pressure Levels: Variability Omitted Once Again. Costas Thomopoulos, Carolina Lombardi and Gianfranco Parati ... Cotinine and Blood Pressure Levels: Variability Omitted Once Again. Costas Thomopoulos, Carolina Lombardi and Gianfranco Parati ... Association of serum cotinine levels and hypertension in never smokers. Hypertension 2013;61:304-308. ...

http://hyper.ahajournals.org/content/61/4/e41

Cotinine / blood*. Female. Humans. Infant, Newborn. Maternal-Fetal Exchange. Neoplasms / etiology. Predictive Value of Tests. ... Mean cotinine was 29 ng/mL (SD, 7.5), 45 ng/mL (SD, 9.7), and 9 ng/mL (SD, 7.4), respectively, among infants of all smokers, ... 0/Biological Markers; 0/Tobacco Smoke Pollution; 486-56-6/Cotinine From MEDLINE®/PubMed®, a database of the U.S. National ... As proof-of-principle, we examined cotinine in DBS of 20 infants enrolled in a pilot study of pregnancy among low-income women ...

http://www.biomedsearch.com/nih/Detection-cotinine-in-newborn-dried/17855712.html

Cotinine urine test, nicotine urine test. What is this test?. This test measures the amount of cotinine in your urine. Cotinine ... Cotinine is measured in nanograms per milliliter (ng/mL):. *. Cotinine levels in a nonsmoker are generally less than 10 ng/mL. ... You may also have blood and saliva tests for cotinine.. What do my test results mean?. Many things may affect your lab test ... Cotinine levels in a light smoker or someone exposed to secondhand smoke are 11 ng/mL to 30 ng/mL. ...

https://www.baycare.org/health-library/nicotine-cotinine-urine-

Cotinine. Tweet. Share. Cotinine [COAT-e-neen] is a chemical that is made by the body from nicotine, which is found in ... Since cotinine can be made only from nicotine, and since nicotine enters the body with cigarette smoke, cotinine measurements ... Cotinine is a metabolic byproduct of nicotine. Nicotine replacement medications produce cotinine just as tobacco does. ... Cotinine levels ,10 ng/mL are considered to be consistent with no active smoking. Values of 10 ng/mL to 100 ng/mL are ...

http://www.depression-guide.com/cotinine.htm

... concentrations of cotinine and thiocyanate were measured in cord serum and maternal serum collected from 24 daily smoking and ... The high correlation between measurements of cotinine in maternal serum and cord serum indicates that maternal cotinine levels ... Opposing placental gradients for thiocyanate and cotinine at birth Early Hum Dev. 1995 May 12;42(1):73-9. doi: 10.1016/0378- ... The placental gradients for cotinine and thiocyanate may indicate differences in maternal and fetal exposure to products of ...

https://pubmed.ncbi.nlm.nih.gov/7671847/?dopt=Abstract

The assay is based on the competition between drug in the sample and drug labeled with the enzyme glucose-6-phosphate dehydrogenase (G6PDH) for antibody...

https://www.crlcorp.com/product/cotinine/

The N-glucuronide conjugate of cotinine is a major urinary metabolite of NICOTINE. It thus serves as a biomarker of exposure to ... Cotinine. Subscribe to New Research on Cotinine The N-glucuronide conjugate of cotinine is a major urinary metabolite of ... 12/01/2013 - "The goal of the study was to examine the association of cotinine and NNAL with asthma outcomes in the U.S. ". 07/ ... 03/01/2013 - "This study used salivary cotinine to assess the impact of change in smoking exposure on birth weight in full-term ...

http://www.curehunter.com/public/keywordSummaryD003367-Cotinine.do

Cotinine is a metabolite of nicotine. The test relies on - Cotinine, DBS Our staff of more than 600 associates works around-the ... The Cotinine procedure is a competitive EIA for the qualitative determination of cotinine in DBS. ... A ¼" punched DBS spot is required for each cotinine sample. Rejection Criteria:. • Improper blood placement • Contaminated ...

https://www.crlcorp.com/product/cotinine-dbs/

Learn about nicotine drug testing, the difference between nicotine and cotinine, and more. ... Cotinine can also be easily detected with a cotinine saliva drug test such as our iScreen OFD Saliva Cotinine Test Kit, which ... What is cotinine?. Cotinine (COT) is a metabolite synthesized by the body as a byproduct of nicotine. Drug tests for nicotine ... Cotinine remains in the body for an extended period of time as a result of direct or secondhand smoke exposure. Cotinine drug ...

https://testcountry.com/pages/faq-nicotine-and-tobacco

Cotinine concentrations-Cotinine was assayed by gas chromatography with a detection limit of 100 pg/ml.14 To check for drift in ... Main outcome measures: Salivary cotinine concentrations in non-smoking children.. Results: Cotinine concentrations in all non- ... Saliva cotinine as an indicator of cigarette smoking in adolescents.Br J Addict1987;82:1355-1360. ... Cotinine concentrations in children from non-smoking homes provide the best guide to trends in passive smoking in society ...

https://www.bmj.com/content/321/7257/343?ijkey=b687267a38b9fd23db09e1edd495c156b6142aff&keytype2=tf_ipsecsha

Metabolism of Nicotine and Cotinine in Pregnant African-American Women. The safety and scientific validity of this study is the ... Passive and active maternal smoking as measured by serum cotinine: the effect on birthweight. Am J Public Health. 1995 Mar;85(3 ... Blood, urine, and saliva samples are analyzed for nicotine and cotinine (a product of nicotine metabolism) levels, and DNA will ... 1. Collect DNA for exploratory analyses regarding genetic causes of differences in metabolism of nicotine and cotinine. ...

https://clinicaltrials.gov/ct2/show/NCT00341640?term=sleep&spons=NICHD&rank=20

Some of the behavioral effects of cotinine compared to nicotine are discussed here. Cotinine, which accumulates in the body as ... Some of the behavioral effects of cotinine compared to nicotine are discussed here. Cotinine, which accumulates in the body as ... Cotinine has a longer plasma half-life than nicotine and showed no addictive or cardiovascular effects in humans. In addition, ... Cotinine has a longer plasma half-life than nicotine and showed no addictive or cardiovascular effects in humans. In addition, ...

https://www.frontiersin.org/articles/10.3389/fphar.2012.00173/full

Results: Mean serum cotinine level was higher in cases than in controls. Compared with subjects with a cotinine level of ≤5 ng/ ... Degradation of cotinine during long-term storage of samples should not have affected our results. Cotinine levels remain stable ... We found no appreciable effect of serum cotinine level as a marker of involuntary smoking among nonsmokers. Serum cotinine ... had a serum cotinine level below 10 ng/mL, to address the question of whether serum cotinine level is a marker of exposure to ...

https://cebp.aacrjournals.org/content/15/6/1184?ijkey=ef2e5d048ebb228bdad1888c2e7e68ab713c77c9&keytype2=tf_ipsecsha

Cotinine levels are roughly similar when measured in blood or in saliva [6, 9, 10], so studies using cotinine in blood and in ... 1 cotinine. The only non-daily user used ENDS on 2 days·week−1 and had 13 ng·mL−1 cotinine. ... Cotinine in the serum, saliva, and urine of nonsmokers, passive smokers, and active smokers. Am J Public Health 1988; 78: 699- ... Saliva cotinine levels in users of electronic cigarettes Message Subject (Your Name) has sent you a message from European ...

https://erj.ersjournals.com/content/38/5/1219?ijkey=a9951a721d1176a374c52a3ee849c9cffda8cb26&keytype2=tf_ipsecsha

Reproducible Saliva Collection as Basis for Cotinine Testing in Oral Fluid. R. W. SCHMID 1,* , L. HALWACHS 1, B. STEYRER 1,2 ... SCHMID RW, HALWACHS L, STEYRER B, LEICHTFRIED D. Reproducible Saliva Collection as Basis for Cotinine Testing in Oral Fluid. ... SCHMID, R.W.; HALWACHS, L.; STEYRER, B.; LEICHTFRIED, D. Reproducible Saliva Collection as Basis for Cotinine Testing in Oral ... "Reproducible Saliva Collection as Basis for Cotinine Testing in Oral Fluid." Sci. Pharm. 77, Posters (PO): 227. ...

http://www.mdpi.com/2218-0532/77/7/227

For children living with one smoker, median urinary cotinine levels of children exposed to ETS were associated with caregiver ... Exposure assessment was based upon determination of urinary cotinine levels in children employing gas chromatography-triple ... median urinary cotinine concentrations (ng/mL) were 0.72, 2.97, and 4.46, respectively. ... Relationship between Caregivers Smoking at Home and Urinary Levels of Cotinine in Children by Yun Wang 1,2, Mei Yang 1,†, Lang ...

https://www.mdpi.com/1660-4601/11/12/12499

... Am J Prev Med. 2000 Oct;19(3):188-92. ... linked to the childs urinary cotinine to creatinine ratios (CCR). ...

https://pubmed.ncbi.nlm.nih.gov/11020596/?dopt=Abstract

the swab test will detect the nicotine (or cotinine, its main metabolite) that is excreted in saliva , as well as that which comes directly in touch with oral mucosa if you are using snuff or chewing tobacco . (healthtap.com)

Infusion of cotinine to blood concentrations seen in moderately heavy smokers had no effect on heart rate, blood pressure, or skin temperature, measures that are sensitive to effects of nicotine. (nih.gov)
Salivary cotinine concentrations are highly correlated to blood cotinine concentrations, and can detect cotinine in a low range, making it the preferable option for a less invasive method of tobacco exposure testing. (wikipedia.org)
Urine cotinine concentrations average four to six times higher than those in blood or saliva, making urine a more sensitive matrix to detect low-concentration exposure. (wikipedia.org)
Cotinine concentrations are derived from the ratio of native to labeled cotinine in the sample by comparisons to a standard curve. (cdc.gov)
In order to compare maternal and fetal exposure to compounds of tobacco smoke at the end of pregnancy, concentrations of cotinine and thiocyanate were measured in cord serum and maternal serum collected from 24 daily smoking and four non-smoking women at the time of child birth. (nih.gov)
Salivary cotinine concentrations in non-smoking children. (bmj.com)
Cotinine concentrations in all non-smoking children almost halved between 1988 and 1998, from a geometric mean of 0.96 (95% confidence interval 0.83 to 1.11) ng/ml in 1988 to 0.52 (0.43 to 0.62) ng/ml in 1998. (bmj.com)
We here report cotinine concentrations in children measured during school based surveys carried out since 1988. (bmj.com)
To exclude children who denied their smoking, we restricted our study to those with cotinine concentrations below 15 ng/ml, a suggested cutoff point for active smoking. (bmj.com)
Cotinine concentrations -Cotinine was assayed by gas chromatography with a detection limit of 100 pg/ml. 14 To check for drift in the assay over time, in 1994 we reanalysed 25 samples gathered and analysed in 1990. (bmj.com)
In children not living with a smoker, children living with one smoker, and children living with more than one smoker at home, median urinary cotinine concentrations (ng/mL) were 0.72, 2.97, and 4.46, respectively. (mdpi.com)
Subsequently the SMC were incubated with media containing 0.1% or 15% fetal bovine serum and nicotine or cotinine at concentrations ranging from 10(-9) mol/L to 10(-6) mol/L. Control samples were incubated with corresponding media but without the drugs. (biomedsearch.com)
Analyses of the relation between spirometric values and cotinine concentrations were based on 2511 children and of the relation between spirometric values and questionnaire measures on 2000 children. (bmj.com)
Salivary cotinine concentrations were strongly related to exposure to cigarette smoke at home but 88% of children who were from non-smoking households and not looked after by a smoker had detectable cotinine concentrations, 5% being in the top two fifths of the cotinine distribution. (bmj.com)
Extremely sensitive to cotinine, the principle metabolite of nicotine, the NicAlert™ test will detect 6 ranges of cotinine concentrations from 0 ng/ml through 2000+ ng/ml. (confirmbiosciences.com)
METHOD: Serum cotinine concentrations were measured in 1,943 smokers participating in the 2001 to 2006 National Health and Nutrition Examination Surveys (NHANES). (acs.org)
The objectives of this study were to determine urinary cotinine concentrations in non-smoking residents of smoke-free homes and to establish the relationship of urinary cotinine with housing type and other socio-demographic and secondhand smoke (SHS) exposure factors. (biomedcentral.com)
The urinary cotinine concentrations of residents living in attached [1.18 ng/mg creatinine (Cr)] and detached housing (1.23 ng/mg Cr) were significantly higher than those of residents who lived in apartments (0.69 ng/mg Cr). (biomedcentral.com)
In the multivariate regression analysis, housing type, sex, former smoking status, and frequency of experiencing SHS odor were associated with urinary cotinine concentrations ( R 2 = 0.14). (biomedcentral.com)
Housing type, sex, former smoking status, and frequency of experiencing SHS odor were predictors for urinary cotinine concentrations in the study participants. (biomedcentral.com)
One study that assessed the blood serum cotinine levels of US children who lived in homes where no one smoked indoors reported higher serum cotinine concentrations in children who lived in apartments than in those living in detached residences [ 18 ]. (biomedcentral.com)
At all substrate concentrations (0-1.25 mM) nicotine was a significantly more potent inhibitor of CYP 2E1 activity compared to cotinine. (usu.edu)
Cotinine administration, with or without nicotine patch, produced serum cotinine concentrations 3-4 times higher than during ad lib smoking. (umn.edu)
Therefore, cotinine appears to antagonize the effects of nicotine in the alleviation of withdrawal symptoms at concentrations higher than that attained from normal smoking. (umn.edu)

Measuring cotinine in people's blood is the most reliable way to determine exposure to nicotine for both smokers and nonsmokers exposed to environmental tobacco smoke (ETS). (cdc.gov)
We studied cotinine disposition kinetics in 28 healthy habitual cigarette smokers. (nih.gov)
We conclude that, at levels to which cigarette smokers are generally exposed, cotinine exerts no cardiovascular activity and weak, if any, psychologic activity. (nih.gov)
Cotinine may also be measured in saliva and in hair, although hair testing is primarily used in a research setting, such as a study of non-smokers exposure to tobacco smoke. (labcorp.com)
African American smokers generally have higher plasma cotinine levels than Caucasian smokers. (wikipedia.org)
They used stored blood samples and measured serum cotinine to identify true smokers. (bmj.com)
In most heavy smokers, cotinine levels fall below the detectable range after two weeks of abstinence, according to Mayo Clinic. (reference.com)
Association of serum cotinine levels and hypertension in never smokers. (ahajournals.org)
Mean cotinine was 29 ng/mL (SD, 7.5), 45 ng/mL (SD, 9.7), and 9 ng/mL (SD, 7.4), respectively, among infants of all smokers, infants of four women who acknowledged smoking at 7 months of gestation, and infants of nonsmokers. (biomedsearch.com)
In fact, prolonged exposure to Environmental Tobacco Smoke (ETS) may yield higher cotinine levels than would be present in firsthand smokers. (testcountry.com)
Serum cotinine level is a predictor of risk of lung cancer among smokers. (aacrjournals.org)
Cotinine at a concentration of 10(-9) mol/L, a level seen among passive smokers, was a statistically significant stimulus for DNA synthesis in both minimum serum and serum-supplemented media. (biomedsearch.com)
Validated for clinical use, and highly correlated with serum levels, Salimetrics Cotinine assay's high-sensitivity distinguishes between active smokers, non-smokers, and recent second-hand smoke exposure. (salimetrics.com)
Use of cotinine, a metabolite of nicotine, has been proposed to detect active smokers who claim not to smoke. (scielo.org.za)
It has been demonstrated that smokers who developed wound healing complications had higher levels of cotinine than those who did not when tested peri-operatively. (scielo.org.za)
Ten healthy, volunteer, pregnant smokers received infusions of deuterium-labeled nicotine and cotinine during pregnancy and again postpartum. (aspetjournals.org)
Lower cotinine levels observed during pregnancy do not necessarily reflect less smoke exposure, and cut-off levels used to classify nonsmokers, passive smokers, and active smokers need to be established for pregnancy. (aspetjournals.org)
Average cotinine level for adult non-smokers in the US: 0.1 ng/mL. (salimetrics.com)
Self-reported current pipe and cigar smokers had elevated urine cotinine levels compared with never-smokers. (annals.org)
This test could be an important adjunct for identifying smokers and treating smoking-related diseases by providing instantaneous results at a fraction of the cost of laboratory cotinine analysis. (ersjournals.com)
This study examined the relationship between smoking a menthol or nonmenthol cigarette brand on cotinine levels (adjusted by the number of cigarettes smoked per day) among non-Hispanic black and white U.S. adult smokers. (naquitline.org)
The study was an attempt to understand whether the preference for menthol cigarettes in black smokers accounts for their higher cotinine levels. (naquitline.org)
Results showed that smoking a menthol cigarette brand versus smoking a nonmenthol cigarette brand was not associated with mean serum cotinine concentration in either black or white smokers. (naquitline.org)
There are many pharmacologic properties of menthol that may facilitate exposure to tobacco smoke, and it has been suggested that the preference for menthol cigarettes in black smokers accounts for their higher cotinine levels. (acs.org)
OBJECTIVE: To assess cigarettes smoked per day-adjusted cotinine levels in relation to smoking a menthol or nonmenthol cigarette brand among non-Hispanic black and white U.S. adult smokers under natural smoking conditions. (acs.org)
The effect of smoking a menthol brand on cigarettes smoked per day-adjusted serum cotinine levels in these two populations was modeled by adjusting for sex, age, number of smokers living in the home, body weight, time since last smoked, and FTC (Federal Trade Commission)-measured nicotine levels. (acs.org)
0.05) with mean serum cotinine concentration in either black or white smokers. (acs.org)
CONCLUSIONS: The higher levels of cotinine observed in black smokers compared with white smokers are not explained by their higher preference for menthol cigarette brands. (acs.org)
Liquid-chromatographic determination of nicotine and cotinine in urine from passive smokers: comparison with gas chromatography with a nitrogen-specific detector. (aaccjnls.org)
We describe a simple, sensitive, and specific high-performance liquid-chromatographic method with ultraviolet detection (256 nm) for the simultaneous analysis of nicotine and cotinine in urine of passive smokers. (aaccjnls.org)
We assayed cotinine using a competitive immunoassay in NLF from 23 smokers, ten non smokers exposed to tobacco smoke and 60 nonsmokers who did not report smoke exposure. (johnyfit.com)
NLF cotinine levels were considerably higher in smokers than in 'nonsmokers', not even considering their exposure to ambient tobacco smoke. (johnyfit.com)
Our own results indicate that NLF cotinine is notably higher in smokers than in nonsmokers and established a cut of 0 ng/ml that might be used in future studies as an objective indicator of current smoking. (johnyfit.com)

Cotinine is the major metabolite of nicotine in man. (nih.gov)
The NicAlert saliva and urine drug testing kit detects cotinine levels, the major metabolite of nicotine. (confirmbiosciences.com)
It rapidly detects the presence of cotinine, the major metabolite of nicotine, in urine. (drugtestingworld.com)
Cotinine is a major metabolite of nicotine and is used as a preferred target for assay in humans. (thebirdclinic.com)

The level of cotinine in the blood, saliva, and urine is proportionate to the amount of exposure to tobacco smoke, so it is a valuable indicator of tobacco smoke exposure, including secondary (passive) smoke. (wikipedia.org)
On the other hand, the median level of cotinine (22 ng/ml) in maternal serum was less than half of the median level (51 ng/ml) in cord serum (P = 0.0009). (nih.gov)
The Janus serum bank offers the opportunity to investigate for the first time prospectively the association between lung cancer risk and serum level of cotinine. (aacrjournals.org)
For this reason alone, testing for tobacco is performed routinely, especially by health and insurance companies (standard cutoff level of cotinine (nicotine metabolite) is 200 ng/ml. (drugtestingworld.com)

Some of the behavioral effects of cotinine compared to nicotine are discussed here. (frontiersin.org)
Altogether, the new evidence suggests that the pharmacological and behavioral effects of cotinine may play a key role in promoting tobacco smoking in individuals that suffer from psychiatric conditions and represents a new potential therapeutic agent against psychiatric conditions such as AD and PTSD. (frontiersin.org)
The decrease in neuroinflammation induced by the stimulation of the cholinergic system seems to be a key element explaining the beneficial effects of cotinine in a diverse range of neurological and psychiatric conditions. (eurekaselect.com)
There is some research being done on the effects of cotinine on memory and cognition. (chemeurope.com)

The presence of cotinine is depicted on easy to read, color labeled test strips. (testcountry.com)
The iScreen OFD Cotinine Saliva Test detects the presence of cotinine (the main metabolite in nicotine) for up to 1-2 days after use. (testcountry.com)
The presence of cotinine in saliva or urine is a reliable indicator for tobacco use within the past several days. (confirmbiosciences.com)
Among nonsmokers, the presence of cotinine in serum indicates exposure to secondhand tobacco smoke. (cdc.gov)

In addition, sometimes cotinine levels are used to determine nicotine's presence in the body. (fastmed.com)
The Fourth Report shows differences in cotinine levels among different racial groups. (cdc.gov)
In the past 15 years, blood cotinine levels for nonsmokers in the U.S. population have decreased about 70%, indicating that public health interventions to reduce ETS exposure have been successful. (cdc.gov)
Males generally have higher plasma cotinine levels than females. (wikipedia.org)
These systematic differences in cotinine levels were attributed to variation in CYP2A6 activity. (wikipedia.org)
At steady state, plasma cotinine levels are determined by the amount of cotinine formation and the rate of cotinine removal, which are both mediated by the enzyme CYP2A6. (wikipedia.org)
Since CYP2A6 activity differs by sex (estrogen induces CYP2A6) and race (due to genetic variation), cotinine accumulates in individuals with slower CYP2A6 activity, resulting in substantial differences in cotinine levels for a given tobacco exposure. (wikipedia.org)
We measured serum and saliva cotinine levels with mass spectrometry. (nih.gov)
Detectable serum and salivary cotinine levels were common among children admitted for asthma and were associated with readmission, whereas caregiver report of tobacco exposure was not. (nih.gov)
Elevated levels of cotinine have been found in individuals exposed to second-hand smoking. (reference.com)
Levels as high as 8 nanograms per milliliter have been reported, and with 2 nanograms per milliliter being the cutoff, this will result in a positive cotinine test for someone exposed to tobacco smoke, according to Mayo Clinic. (reference.com)
Although the determinant as depicted by serum cotinine levels-at first sight-seems appropriate to evaluate the exposure of participants to passive smoke, there are some obscured points that need to be clarified. (ahajournals.org)
We should acknowledge that beyond BP variability evaluation 2 completely lacking in the present study, there might also be variability in cotinine levels. (ahajournals.org)
4 The integration of passive smoking characteristics (ie, intensity, duration, environment of exposure) with cotinine levels would have provided a more integrated approach of passive smoking dynamics. (ahajournals.org)
2 However, because BP measurement was performed 3 times during the same visit, it would be interesting to know the in-visit BP variability, given that subjects with high cotinine levels might demonstrate a higher variability with respect to those residing in the low cotinine levels group. (ahajournals.org)
5 In these lines, the association of a clinically guided serum cotinine measurement with BP levels could not be definitive without ambulatory BP evaluation. (ahajournals.org)
Measurement of cotinine levels might not have clinical importance when measured separately of structured questionnaires evaluating smoking dynamics, but potentially could refine the clinical research in the field. (ahajournals.org)
Cotinine levels in a nonsmoker are generally less than 10 ng/mL. (baycare.org)
Cotinine levels in a light smoker or someone exposed to secondhand smoke are 11 ng/mL to 30 ng/mL. (baycare.org)
Cotinine levels in a heavy smoker may be more than 500 ng/mL. (baycare.org)
If you haven't smoked or been exposed to nicotine in seven to 10 days, your cotinine levels start to return to a normal level. (baycare.org)
The high correlation between measurements of cotinine in maternal serum and cord serum indicates that maternal cotinine levels can be used to describe interindividual differences in fetal exposure to tobacco smoke. (nih.gov)
Can cotinine levels be traced in nonsmokers? (testcountry.com)
Smoking also increases recovery time after surgical procedures, which is why it is necessary to delay elective aesthetic procedures until cotinine levels are diminished. (testcountry.com)
Can blood cotinine levels determine smoking frequency? (testcountry.com)
Although cotinine has an established half-life, it is not recommended to reference blood cotinine levels to determine smoking frequency. (testcountry.com)
Blood, urine, and saliva samples are analyzed for nicotine and cotinine (a product of nicotine metabolism) levels, and DNA will be collected studied for genes that are associated with nicotine and cotinine metabolism. (clinicaltrials.gov)
Salimetrics Salivary Cotinine ELISA provides researchers with a sensitive method to objectively quantify differences in individual cotinine levels (nicotine exposure), using an easy to collect, non-invasive saliva-sample. (salimetrics.com)
Companies may also evaluate salivary cotinine levels for tobacco use relative to employment, health, and life-insurance purposes. (salimetrics.com)
By contrast, Cotinine has an average half-life of 17 hours, and blood levels closely reflect the dose of nicotine absorbed from tobacco smoke. (salimetrics.com)
Many studies show that levels of Cotinine in saliva show large inter-individual differences. (salimetrics.com)
Tobacco Tests from QuickMedical screen for cotinine, a nicotine metabolite, in either urine or saliva and can identify levels of tobacco exposure or use. (quickmedical.com)
0.001) effects on serum cotinine levels after active (60.6 ± 34.3 versus 61.3 ± 36.6 ng/ml) and passive (2.4 ± 0.9 versus 2.6 ± 0.6 ng/ml) smoking. (sigmaaldrich.com)
How long smoke free to pass a cotinine levels test? (healthtap.com)
To determine whether pipe and cigar smoking was associated with elevated cotinine levels, decrements in lung function, and increased odds of airflow obstruction. (annals.org)
The MESA Lung Study measured spirometry according to American Thoracic Society guidelines and urine cotinine levels by immunoassay on a subsample of MESA. (annals.org)
We then measured amounts of nicotine and cotinine in hair samples collected from the general population, and compared both the corresponding levels and the detection limits with those in previous studies. (scirp.org)
The same testing device was used, but the reagents were changed to improve sensitivity to detect the lower levels of cotinine found in saliva. (ersjournals.com)
The test detects elevated levels of cotinine (nicotine metabolite ) in oral fluid for accurate determination of smoking status. (confirmbiosciences.com)
The NicAlert nicotine test will detect six ranges of cotinine levels from 0 ng/ml through 2000+ ng/ml. (confirmbiosciences.com)
The CpG methylation levels were examined in relationship to prenatal exposure to cadmium and/or cotinine to identify genes and pathways influenced by in utero exposure. (rice.edu)
The test utilizes antibodies to selectively detect elevated levels of specific cotinine (nicotine) in human oral fluid. (drugtestingworld.com)
The test utilizes a monoclonal antibody to selectively detect elevated levels of Cotinine in urine. (drugtestingworld.com)
[1] Race may also play a role, as black people routinely register higher blood cotinine levels than white people. (chemeurope.com)
The factors associated with urinary cotinine levels in non-smoking residents were determined using multivariate regression analysis. (biomedcentral.com)
Use of Potentially Reduced Exposure Tobacco Products Among American Indian Smokeless Tobacco Users: Associations With Cessation Behaviors and Cotinine Levels. (ouhsc.edu)
Since this presentation, Dr. Nemetz has tested patients suspect of ETS poisoning and demonstrated cotinine levels as much as 100X normal. (thebirdclinic.com)
Despite the potential for a direct impact of tobacco smoke on the nasal epithelium and olfactory neurons, no prior studies have assessed cotinine levels in nasal mucus. (johnyfit.com)
We sought to determine whether cotinine levels in nasal lavage fluid will provide a reasonable estimate of smoke exposure. (johnyfit.com)
While in different situations where a noninvasive sample has always been desired and saliva was probably not accessible or safe, significant data concerning cotinine levels in people NLF with varying degrees of exposure to tobacco smoke was probably of clinical importance for studies evaluating impact of tobacco smoke on nasal and olfactory pathophysiology. (johnyfit.com)
We conducted multivariate regression analyses to examine secondhand smoke exposure as measured by the proportion of nonsmokers with undetectable levels of cotinine and by geometric mean cotinine. (bath.ac.uk)
Researchers found that the presence of significant nicotine on the hands of children was associated with equally significant levels of the harmful tobacco metabolite cotinine in their saliva. (cincinnatichildrens.org)
Researchers used specially designed hand wipes to extract nicotine from the hands of participating children and took saliva samples to look for corresponding levels of cotinine. (cincinnatichildrens.org)
All of the children had detectible nicotine levels on their hands and all but one had detectable cotinine in saliva. (cincinnatichildrens.org)

Since 1988 these have incorporated measures of saliva cotinine concentration in a random half of the schools surveyed. (bmj.com)
A weak mitogenic effect was observed at a low serum concentration for cotinine but not nicotine. (biomedsearch.com)
Measuring tobacco smoke exposure: Quantifying nicotine/cotinine concentration in biological samples by colorimetry, chromatography and immunoassay methods. (salimetrics.com)
Serum cotinine concentration and wound complication in head and neck reconstruction. (scielo.org.za)
Upon the addition of the substrate, the intensity of color is inversely proportional to the concentration of Cotinine in the samples obtained with the Cotinine blood test. (calbiotech.com)
A standard curve is prepared relating color intensity to the concentration of the Cotinine. (calbiotech.com)
Relation of passive smoking as assessed by salivary cotinine concentration and questionnaire to spirometric indices in children. (bmj.com)
The effects of passive exposure to smoke on lung function were assessed by means of both salivary cotinine concentration and questionnaire measurements of exposure. (bmj.com)
RESULTS: Cotinine concentration was negatively associated with all spirometric indices after adjustment for confounding variables, which included age, sex, body size, and social class. (bmj.com)
In children aged 5-7 years the use of a single salivary cotinine concentration as a marker of passive exposure to smoke resulted in clear relationships between exposure and FVC and FEV1, whereas the associations were much weaker and not significant when based on the questionnaire score. (bmj.com)
The associations between exposure and mid or end expiratory flow rates were of similar magnitude for cotinine concentration and the questionnaire score. (bmj.com)
The use of salivary cotinine concentration in longitudinal studies may help to determine the extent to which these effects are cumulative or reversible. (bmj.com)
Urinary cotinine concentration was used as a biomarker for SHS exposure. (biomedcentral.com)
In the present study, urinary cotinine concentration data from the Korean National Environmental Health Survey (KoNEHS) I, conducted by the National Institute of Environmental Research and the Ministry of Environment as a national bio-monitoring program, were used. (biomedcentral.com)

The half-life of cotinine in plasma has been estimated to be about 15-20 hrs (Jarvis et al. (cdc.gov)
1990). Cotinine may be measured in serum, urine or saliva - the half-life of cotinine in all three fluids is essentially the same. (cdc.gov)
The average half-life of nicotine is two hours, while the half-life of cotinine is 15 hours. (reference.com)

However, in recent years, new evidence has shown that cotinine, the main metabolite of nicotine, exhibits beneficial effects over psychiatric symptoms and may therefore promote smoking within this population. (frontiersin.org)
Recently, new studies have shown that the main metabolite of nicotine, an alkaloid named cotinine [(5 S )-1-methyl-5-(3-pyridyl)-pyrrolidin-2-one], has beneficial therapeutic properties, while not having nicotine's negative side-effects. (frontiersin.org)
Cotinine is the main metabolite of nicotine, and its serum or plasma level is a useful marker of tobacco smoking ( 9 , 19 ). (aacrjournals.org)

Some years ago, while evaluating a novel 5-minute point-of-care urine test for cotinine and the other nicotine metabolites called SmokeScreen, I attended two hospital antenatal clinics in Birmingham and gathered information about smoking-habit from 800+ pregnant women at their 'booking' visit. (bmj.com)
Drug tests for nicotine use will screen for cotinine metabolites as the most reliable indicator of exposure to tobacco. (testcountry.com)
Cotinine metabolites produced by the body can be traced in urine and saliva specimens. (testcountry.com)
Exposure to tobacco smoke can be detected by measuring nicotine and its metabolites using a Cotinine test. (calbiotech.com)
When a person uses tobacco, the body immediately breaks nicotine down into about 97 different metabolites, the most stable of which is cotinine. (homehealthtesting.com)
Nicotine metabolites, such as cotinine, are judged to be the best biochemical test for smoking behaviour [ 2 ]. (ersjournals.com)
We would like to take this opportunity to describe a new point of care saliva test, which measures cotinine and the other nicotine metabolites. (ersjournals.com)

Accurately screen for cotinine, the primary metabolite of nicotine, with this instant saliva drug test. (confirmbiosciences.com)

A donor might test positive for cotinine or nicotine if they frequently use smoking cessation products, e.g. patches, gum, nasal sprays, electronic cigarettes, etc. (testcountry.com)
Will tobacco users and nicotine users (like e cigs) test positive for cotinine? (healthtap.com)
If no line appears at all in the 'T' Region then the sample is positive for cotinine, or in other words, positive for nicotine. (homehealthtesting.com)

We found no association between serum cotinine level (range, 0.1-9.9 ng/mL) and lung cancer risk among self-reported nonsmokers and long-term quitters (79 cases and 350 controls). (aacrjournals.org)
The Nicotine Content of Common Vegetables Article-Journal Review Commentary To the Editor: The presence of nicotine and its metabolite cotinine in the body fluids of nonsmokers is usually taken as evidence of exposure to environmental tobacco smoke. (e-cigarette-research.info)

Incorporation of a point-of-care cotinine test into routine community care to reduce smoking in pregnancy - a pilot study. (bmj.com)

Cotinine can also be easily detected with a cotinine saliva drug test such as our iScreen OFD Saliva Cotinine Test Kit , which can be administered with or without a private bathroom. (testcountry.com)
The iScreen OFD Cotinine test device is a rapid, oral fluid drug test that can be performed anytime and almost anywhere. (confirmbiosciences.com)
The iScreen cotinine saliva test requires minimal training to use and the results are accurate and easy to interpret. (confirmbiosciences.com)
The iScreen® OFD - Cotinine device is a rapid, oral fluid screening test that can be performed anytime without the use of an instrument. (confirmbiosciences.com)

Drug tests can detect cotinine in the blood, urine, or saliva. (wikipedia.org)
A test for nicotine is designed to detect cotinine, the principal metabolite of nicotine, in urine and saliva specimens. (testcountry.com)
Which drug test methods can detect cotinine? (testcountry.com)
The same immunoassay technology that is used to detect illicit drugs in urine can also be used to detect cotinine in urine. (homehealthtesting.com)
This test is used to detect Cotinine , the primary metabolite of Nicotine in the urine. (requestatest.com)

This non-invasive saliva test, accurately detects cotinine within 10 minutes. (testcountry.com)
Scanning electron microscopy is used to study the morphology of the film compared with the unimprinted control, and gas chromatography quantitatively confirms that the imprinted film selectively detects cotinine while discriminating against the structurally similar alkaloid, nicotine. (scienceopen.com)

Nicotine, or its primary metabolite cotinine, is most often tested to evaluate tobacco use. (labcorp.com)
Nicotine and its metabolite cotinine are mitogenic for human vascular smooth muscle cells. (biomedsearch.com)
This study evaluated the effect of nicotine and its major stable metabolite cotinine on vascular SMC proliferation in vitro. (biomedsearch.com)
Previous reports indicate that nicotine and the main nicotine metabolite, cotinine, reduce the mutagenicity of both NNK and NDMA in Salmonella typhimurium. (usu.edu)

Measuring cotinine is preferred to measuring nicotine because cotinine remains in the body longer. (cdc.gov)

You may need to take a cotinine test if you're applying for a job at a company that prohibits smoking. (baycare.org)

The rate of metabolism of nicotine and cotinine depends on the genetic makeup of the individual. (reference.com)
1. Collect DNA for exploratory analyses regarding genetic causes of differences in metabolism of nicotine and cotinine. (clinicaltrials.gov)

Cotinine remains in the body for an extended period of time as a result of direct or secondhand smoke exposure. (testcountry.com)
PURPOSE: This randomized study will compare education only to education plus cotinine feedback in decreasing secondhand smoke exposure in pediatric patients with cancer that reside with a household smoker. (clinicaltrials.gov)
Those randomized to the active intervention will receive education about secondhand smoke exposure and feedback using the cotinine test strip. (clinicaltrials.gov)

Biomonitoring studies of serum cotinine will help physicians and public health officials in monitoring population exposure to tobacco smoke and assessing the effectiveness of public health interventions to reduce smoking. (cdc.gov)
Urine cotinine testing is the preferred method to measure passive exposure to tobacco. (testcountry.com)
The detection of exposure to tobacco smoke by measurement of Cotinine is the preferred method. (salimetrics.com)
Fetal exposure to tobacco was studied by measuring cotinine in cord blood by radioimmunoassay (RIA). (biomedcentral.com)
Cotinine is used as a biomarker for exposure to tobacco smoke. (ammonlabs.com)

Serum cotinine is measured by an isotope dilution-high performance liquid chromatography / atmospheric pressure chemical ionization tandem mass spectrometry (ID HPLC-APCI MS/MS). Briefly, the serum sample is spiked with methyl-D3 cotinine as an internal standard, and after an equilibration period, the sample is applied to a basified solid-phase extraction column. (cdc.gov)
Blood samples obtained at enrollment were tested for total cotinine using gas chromatography/mass spectrometry. (biomedsearch.com)
Paper spray tandem mass spectrometry (PS-MS/MS) is proposed and validated as a simple and rapid method for quantification of nicotine and cotinine in complex matrices to support tobacco-related research. (rsc.org)
Purpose: This study evaluated the performance characteristics of a novel rapid method for verifying smoking status in individuals by measurement of cotinine, the primary metabolite of nicotine, in saliva samples using an immunochromatographic strip in a "dipstick" format compared with liquid chromatography/mass spectrometry (LC/MS). (aacrjournals.org)

Methods: We analyzed salivary cotinine data from the Health Survey for England that were collected in 7 of 11 annual surveys undertaken between 1998 and 2008. (bath.ac.uk)

Measurement of cotinine, a primary metabolite of nicotine that has a half-life of 16 to 18 h and that can be detected in urine, saliva, or serum, provides a reliable means of determining smoking status and other tobacco product use or exposure over a period of 2 to 3 days ( 20 - 22 ). (aacrjournals.org)

Cotinine is a principal metabolite of nicotine with a substantially longer halflife. (johnyfit.com)

Cotinine, the most common biomarker for nicotine exposure analysis, and is primarily measured in smoking cessation studies, e-cigarette and public health research, and to assess second-hand smoke exposure in children. (salimetrics.com)
Cotinine is a preferred biomarker to evaluate tobacco use, because it maintains a half-life of up to 16-hours, as opposed to nicotine's half-life of just several hours. (salimetrics.com)
Cotinine as a biomarker of environmental tobacco smoke exposure. (salimetrics.com)
Cotinine is a metabolite of nicotine and is the primary biomarker for the determination of tobacco exposure. (calbiotech.com)

Serum cotinine was measured with a competitive immunoassay. (aacrjournals.org)
The Salimetrics Cotinine Enzyme Immunoassay Kit is a competitive immunoassay specifically designed and validated for the quantitative measurement of salivary Cotinine. (salimetrics.com)

When using the Salimetrics Cotinine EIA cut points should be adjusted accordingly. (salimetrics.com)

Among children whose caregivers reported no tobacco exposure, 39.1% had detectable serum cotinine and 69.9% had detectable salivary cotinine. (nih.gov)
Of the children with reported exposure, 87.6% had detectable serum cotinine and 97.7% had detectable salivary cotinine. (nih.gov)
We tested DBS from 10 infants whose mothers had detectable serum cotinine at baseline and 10 control infants whose mothers had none. (biomedsearch.com)

Cotinine has a longer plasma half-life than nicotine and showed no addictive or cardiovascular effects in humans. (frontiersin.org)

Upon receipt, vials were stored at -4°C for a few days and then shipped by express mail to ABS Laboratories (Welwyn Garden City, UK) for cotinine analysis by gas chromatography. (ersjournals.com)

Detection of cotinine in newborn dried blood spots. (biomedsearch.com)
The Calbiotech Cotinine Direct ELISA Kit is designed for the detection of Cotinine in serum and urine. (calbiotech.com)
This has majorly resulted from the cost effectiveness, ease of screening, quick detection, and portability of these compact cotinine screening devices. (pharmiweb.com)
The detection period for cotinine (the nicotine metabolite tested) can be as long as 15 days or more depending on the sensitivity of the specific testing method used by the laboratory. (justanswer.com)

Cotinine is an alkaloid found in tobacco and is also the predominant metabolite of nicotine. (wikipedia.org)
Although the contribution of nicotine to ACTE-mediated 2E1 inhibition is probably modest, pyridine alkaloid-mediated CYP 2E1 inhibition is a possible mechanism for the observed inhibition of NNK and NDMA mutagenicity by nicotine and cotinine in vitro. (usu.edu)

When a person has reported that he or she is using nicotine replacement products but is no longer smoking, nicotine, cotinine, and urine anabasine measurements may sometimes be ordered. (labcorp.com)
This study demonstrated that cotinine measurements could be carried out rapidly and easily in an antenatal setting and repeat measurements were carried out at subsequent appointments to monitor changes to smoking behaviour following advice to quit. (bmj.com)
It is not reported whether cotinine assessment was performed on the same day of BP measurements. (ahajournals.org)
Since cotinine can be made only from nicotine, and since nicotine enters the body with cigarette smoke, cotinine measurements can show how much cigarette smoke enters your body. (depression-guide.com)
From blood and urine measurements, the following were determined: clearance (renal and nonrenal) of nicotine and cotinine, clearance of nicotine via the cotinine pathway (an indicator of CYP2A6 activity), and daily intake of nicotine from smoking. (aspetjournals.org)
However, cotinine measurements are largely confined to sophisticated laboratory tests, which are expensive and time consuming. (ersjournals.com)

When a person enters a smoking cessation program, blood or urine cotinine tests may be ordered to evaluate his or her compliance. (labcorp.com)
Since smoking cessation products contain trace amounts of nicotine, they can trigger positive results on a nicotine/cotinine drug test. (testcountry.com)
Cotinine, due to its longer half life, has been used in research as a reliable marker for smoking status and smoking cessation studies. (calbiotech.com)

This can have a significant impact on the rate of cotinine metabolism. (reference.com)

This test measures the amount of cotinine in your urine. (baycare.org)
The amount of Cotinine Enzyme Conjugate detected is inversely proportional to the amount of Cotinine present in the sample. (salimetrics.com)

The rapid colorimetric test result (a positive sample for cotinine turning shades of pink) was shown to the smoker along with the quantitative result. (bmj.com)

Research has shown that cotinine has antipsychotic, anxiolytic, and antidepressant properties and modulates the serotonergic, cholinergic and dopaminergic systems. (eurekaselect.com)

For example, if the measurement of cotinine (plasma half-life of 19-24 hours) was performed on the first working day after a weekend in a subject exposed to secondhand smoke only at workplace, the measurement might be by far different of another performed in a midweek working day. (ahajournals.org)

Many health and life insurance companies test applicants for nicotine or cotinine as well. (labcorp.com)
A blood or urine nicotine test may be ordered by itself or along with cotinine if a health practitioner suspects that someone is experiencing a nicotine overdose. (labcorp.com)
The point-of-care SmokeScreen test monitors smoking behaviour for up to three days and allows for quick and simple cotinine monitoring, and on a urine sample that is routinely brought to clinic and so removing further patient involvement. (bmj.com)
I want to do a cotinine test in children under five of home based bidi making. (mylot.com)
This means that the laboratory test will show a value of less than 2 nanograms of cotinine per milliliter of blood. (reference.com)
All cotinine/nicotine drugs test are calibrated to be highly sensitive and accurate. (testcountry.com)
If planning to take a cotinine drug test, indicate the use of nicotine replacement products on the enclosed Chain of Custody Form . (testcountry.com)
Shop Cotinine urine cassette test kits at TestCountry and save on bulk orders! (testcountry.com)
Those randomized to the active intervention will also be provided with education utilizing the cotinine test strip in conjunction with the education from the EPA. (clinicaltrials.gov)
Can nicotine free cigarettes be detected in a urine cotinine test? (healthtap.com)
A Cotinine Test can be used to determine if someone has been using tobacco. (homehealthtesting.com)
You will be able to find out if cotinine is in the urine by reading the test device 5 minutes after putting the urine into it. (homehealthtesting.com)
While e-cigarettes can deliver less nicotine than traditional cigarettes, they can still show up on a Nicotine/Cotinine test. (homehealthtesting.com)
The new test was found to have a sensitivity and specificity comparable with the other commercial point of care saliva cotinine test available [ 4 ], but was quicker and is less expensive. (ersjournals.com)
Both mediums provide reliable methods for determining tobacco whether you choose the cotinine saliva test or the cotinine urine test. (confirmbiosciences.com)
This Cotinine Test Device "cassette" with pipette dropper makes accurate drug testing easy, convenient, and affordable. (drugtestingworld.com)
The Cotinine Test is the most cost effective nicotine urine test available anywhere! (drugtestingworld.com)
Smoker Cotinine can be detected by a Nicotine Urine Test within hours after smoking and may remain detectable for four to ten days, depending on duration, amount, frequency of tobacco use, and other factors. (drugtestingworld.com)
The COT One Step Cotinine Test Device (Urine) is a rapid urine screening test that can be performed without the use of an instrument. (drugtestingworld.com)
The COT One Step Cotinine Test Device (Urine) yields a positive result when the Cotinine in urine exceeds 200 ng/mL. (drugtestingworld.com)
The following table lists compounds that are positively detected in urine by the COT One Step Cotinine Test Device (Urine) at 5 minutes. (drugtestingworld.com)
We will send you your Cotinine saliva test saliva sample collection kit which contains everything you need to take your saliva sample in the comfort of your own home. (medichecks.com)
Your Cotinine saliva test includes 1st class postage and packaging for you to send your saliva sample directly to our laboratory for analysis. (medichecks.com)
If you need it, a PDF copy of your Cotinine saliva test results can be downloaded for your doctor. (medichecks.com)
Once you have placed your order you will receive login details to mymedichecks.com where you can manage your account, track your orders and view your Cotinine saliva test results. (medichecks.com)
Once you have placed your order you can visit my.medichecks.com where you can manage your account, track your orders and view your Cotinine Urine Test results. (medichecks.com)
Produk alat check cotinine PTS Detect ini sangat akurat dan telah terjamin mutu nya, alat ini hanya dapat digunakan untuk 40x test saja. (rasanisafety.com)
Jika sudah digunakan sebanyak 40x test alat check cotinine pts detect ini sudah tidak dapat digunakan lagi. (rasanisafety.com)

Anatomy1

Organisms1

Diseases2

Chemicals and Drugs9

Analytical, Diagnostic and Therapeutic Techniques and Equipment7

Psychiatry and Psychology4

Phenomena and Processes3

Technology, Industry, Agriculture3

Information Science6

Named Groups2

Health Care5

(S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates nicotinic receptors to evoke [3H]dopamine release from rat striatal slices in a calcium-dependent manner. (1/809)

The effect of cotinine or cigarette smoke co-administration on the formation of O6-methylguanine adducts in the lung and liver of A/J mice treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) (2/809)

Detection of benzo[a]pyrene diol epoxide-DNA adducts in embryos from smoking couples: evidence for transmission by spermatozoa. (3/809)

Metabolites of a tobacco-specific carcinogen in urine from newborns. (4/809)

Urinary cotinine and exposure to parental smoking in a population of children with asthma. (5/809)

Tobacco smoke exposure at one month of age and subsequent risk of SIDS--a prospective study. (6/809)

Minor tobacco alkaloids as biomarkers for tobacco use: comparison of users of cigarettes, smokeless tobacco, cigars, and pipes. (7/809)

Advising parents of asthmatic children on passive smoking: randomised controlled trial. (8/809)

PubMed

Cotinine

Periodicals as Topic

Books

Publishing

MEDLINE

Serial Publications

Tobacco Smoke Pollution

Smoking

Nicotine

Time Factors

Smoking Cessation

Saliva

Blood Pressure

Hypertension

Nutrition Surveys

Blood Pressure Monitoring, Ambulatory

Social Desirability

Nitrosamines

Dried Blood Spot Testing

Carcinogens

Bias (Epidemiology)

Glucuronates

Insurance, Life

Tobacco Use Cessation Products

Insurance Carriers

Administration, Cutaneous

Nicotinic Agonists

Glucuronides

Thromboxane B2

Chromatography, High Pressure Liquid

Mass Spectrometry

Tobacco Products

Tobacco Use Disorder

Tobacco, Smokeless

Tobacco

African Americans

Pregnancy

European Continental Ancestry Group

(S)-(-)-Cotinine, the major brain metabolite of nicotine, stimulates nicotinic receptors to evoke [3H]dopamine release from rat striatal slices in a calcium-dependent manner. (1/809)

The effect of cotinine or cigarette smoke co-administration on the formation of O6-methylguanine adducts in the lung and liver of A/J mice treated with 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) (2/809)

Detection of benzo[a]pyrene diol epoxide-DNA adducts in embryos from smoking couples: evidence for transmission by spermatozoa. (3/809)

Metabolites of a tobacco-specific carcinogen in urine from newborns. (4/809)

Urinary cotinine and exposure to parental smoking in a population of children with asthma. (5/809)

Tobacco smoke exposure at one month of age and subsequent risk of SIDS--a prospective study. (6/809)

Minor tobacco alkaloids as biomarkers for tobacco use: comparison of users of cigarettes, smokeless tobacco, cigars, and pipes. (7/809)

Advising parents of asthmatic children on passive smoking: randomised controlled trial. (8/809)

Serum cotinine level as predictor of lung cancer risk. - Clinical Trial Service Unit & Epidemiological Studies Unit (CTSU)

Plasma cotinine levels and pancreatic cancer in the EPIC cohort study. - Nuffield Department of Population Health

Allergy Dudes Allergy and Asthma Assortments: What are the Benefits of Knowing Urinary Cotinine Levels

QuickStats: Median Serum Cotinine Levels in Nonsmokers, by Age Group --- National Health and Nutrition Examination Survey ...

The Ability of Plasma Cotinine to Predict Nicotine and Carcinogen Exposure is Altered by Differences in CYP2A6: the Influence...

NIOSHTIC-2 Publications Search - 20042806 - Serum cotinine levels and prehypertension in never smokers.

Usefulness of salivary trans-3 Hydroxycotinine concentration and trans-3 Hydroxycotinine / cotinine ratio as biomarkers of...

Passive Smoking and Middle Ear Effusion Among Children in Day Care | American Academy of Pediatrics

Did smokefree legislation in England reduce exposure to secondhand smoke among nonsmoking adults? Cotinine analysis from the...

Interlaboratory comparability of serum cotinine measurements at smoker and nonsmoker concentration levels: A round-robin study ...

Legislation for smoke-free workplaces and health of bar workers in Ireland: before and after study | The BMJ

Plus it

Cotinine and Blood Pressure Levels: Variability Omitted Once Again | Hypertension

Neuroinflammation: A Therapeutic Target of Cotinine for the Treatment of Psychiatric Disorders? | Bentham Science

Inhibitition of Human Cytochrome P450 2E1 by Nicotine, Cotinine, and A by Terry R. Van Vleet, David W. Bombick et al.

NVM Cotinine Saliva Test Kit - StopSmoking.com.my

The impact of Michigans Dr Ron Davis smoke-free air law on levels of cotinine, tobacco-specific lung carcinogen and severity...

Dietary nicotine: a source of urinary cotinine

Development of simple HPLC/UV with a column-switching method for the determination of nicotine and cotinine in hair samples

IJERPH | Free Full-Text | Associations Between Excessive Sodium Intake and Smoking and Alcohol Intake Among Korean Men: KNHANES...

Do smoking parents seek the best advice for their asthmatic children? | Thorax

Cotinine Feedback as an Intervention to Change Parental/Caregiver Smoking Behavior Around Children With Cancer - Full Text View...

Plasma cotinine levels and pancreatic cancer in the EPIC cohort study - Oxford Big Data Institute

Snus News & Other Tobacco Products: New York City - nonsmokers exposed to cigarette smoke..

Urine cotinine measurement

IJERPH | Free Full-Text | Smoking, Cognitive Function and Mortality in a U.S. National Cohort Study

Plus it

Cotinine Urine Test | Medichecks.com

Cotinine Summary Report | CureHunter

Alere iScreen OFD Instant Cotinine Saliva Device - TestCountry

Asian Science Citation Index - Articles written by O Midttun

Plus it

Programa de Prevenció i Control del Càncer