Whereas phenol. Medical search. Frequent questions

With the use of activated sludge acclimated to phenol concentration of 140 mg.ℓ -1 (low-strength phenol-acclimated activated sludge), complete degradation of phenol with a COD removal efficiency of more than 95% was achieved up to 1 050 mg.ℓ -1 of initial phenol concentration. (scielo.org.za)
Optimization of the photocatalytic degradation of phenol using superparamagnetic iron oxide (Fe 3 O 4 ) nanoparticles in aqueous solutions. (bvsalud.org)

When heated, phenol produces flammable vapors that are explosive at concentrations of 3 to 10% in air. (wikipedia.org)
Ingestion of high concentrations of phenol has resulted in internal burns and death. (cdc.gov)
Exposure to high concentrations of phenol in the air for several weeks caused paralysis and severe injury to the heart, liver, kidneys, and lungs, and in some cases, death. (cdc.gov)
Some animals that drank water with very high concentrations of phenol suffered muscle tremors and loss of coordination. (cdc.gov)
High concentrations of phenol in the odor. (cdc.gov)
Constraints and possible physiological feedbacks are considered for successful and sustainable application of agricultural techniques with respect to management of plant phenol profiles and concentrations. (mdpi.com)
For example, phenol itself is used(in low concentrations) as a disinfectant in household cleaners and in mouthwash.Phenol may have been the first surgical antiseptic. (polymerupdate.com)
The objectives of this study were to: (i) evaluate the growth of low-strength phenol-acclimated activated sludge, (ii) investigate the degradation pathways and (iii) model the growth and biodegradation kinetics, all under the condition of increasingly higher phenol concentrations (step-up shock loading). (scielo.org.za)
At low initial phenol concentrations, the experimental results were indicative of the meta-cleavage pathway for phenol degradation. (scielo.org.za)
Phenol (108952) concentrations were below 0.01ppm. (cdc.gov)
The use of higher concentrations of phenol may predispose to a higher incidence of vascular injury. (medscape.com)

Phenol solution can be used for a wide variety of molecular biology applications, including nucleic acid extractions using standard phenol-chloroform protocols. (sigmaaldrich.com)
Phenol-chloroform extraction is a broadly used method for the extraction of nucleic acids. (sigmaaldrich.com)
Despite phenol′s incomplete inhibition of RNase activity, it possesses characteristics that make it useful for isolating nucleic acids when combined with chloroform and alcohol. (sigmaaldrich.com)
10, phenol chloroform. (cdc.gov)
Comparison of Modified Manual Acid-Phenol Chloroform Method and Commercial RNA Extraction Kits for Resource Limited Laboratories. (medscape.com)

You may be exposed to phenol if you live near landfills or hazardous waste sites that contain phenol or near facilities manufacturing phenol. (cdc.gov)
Once absorbed, phenol is widely specific biomarkers of exposure to products that contain phenol such as distributed throughout the body and the phenol. (cdc.gov)
products that contain phenol. (cdc.gov)

Phenol has a distinct odor that is sickeningly sweet and tarry. (cdc.gov)
Phenol has a sickeningly sweet and tarry for workers that manufacture phenol. (cdc.gov)

Range of 2-56 ppb in waterways in and Environmental Medicine not exposed to phenol or benzene. (cdc.gov)

He has a significant experience in the photocatalytic degradation of cyanides and phenol from waste streams using mixed oxides photocatalysts and ozone. (degruyter.com)

Phenol is an organic compound appreciably soluble in water, with about 84.2 g dissolving in 1000 mL (0.895 M). Homogeneous mixtures of phenol and water at phenol to water mass ratios of ~2.6 and higher are possible. (wikipedia.org)

Short-term exposure to phenol in the air can cause respiratory irritation, headaches, and burning eyes. (cdc.gov)

People who had skin exposure to high amounts of phenol had skin burns, liver damage, dark urine, irregular heart beat, and some died. (cdc.gov)
Phenol has caused minor birth defects and low birth weight in animals generally at exposure levels that also were toxic to the pregnant mothers. (cdc.gov)
for Exposure may occur by inhalation of low Phenol is wel absorbed by the inhalation, No studies were located regarding levels levels in air or ingestion of low levels in oral, and dermal routes of exposure. (cdc.gov)
it predominant route of exposure at or near Inhalation phenol can produce internal burns. (cdc.gov)
Significant exposure route for Phenol is also used as a general can cause cardiac arrhythmias and may workers in contact with phenol vapors or for acute-duration oral exposure disinfectant and antiseptic in various produce tremors and seizures. (cdc.gov)
We aimed to assess the associations of use of personal care products with urine biomarkers levels of phenols and paraben exposure, and whether urine levels (reflecting body burden of this chemical exposures) are associated with eczema, rhinitis, asthma, specific IgE and body mass index. (biomedcentral.com)
They collected 55 personal breathing-zone air samples from students dissecting cadavers (25 for determination of formaldehyde exposure and 30 for determination of phenol exposure). (cdc.gov)
Phenol levels ranged from less than 0.01 mg/M3 to 12.2 mg/M3, all within the NIOSH-recommended maximum occupational exposure level of 19.0 mg/M3. (cdc.gov)

MPA is mainly metabolized by glucuronyl transferase (isoform UGT1A9) to the inactive phenol glucuronide of MPA (MPAG). (janusinfo.se)

This application note investigates the thermal decomposition of Bakelite, which is a thermosetting phenol formaldehyde resin, using EGA and multi-step pyrolysis GC-MS techniques. (cdsanalytical.com)

In carbon tetrachloride and in alkane solvents, phenol hydrogen bonds with a wide range of Lewis bases such as pyridine, diethyl ether, and diethyl sulfide. (wikipedia.org)

The main parameter affecting the phenol degradation, i. e., ozone concentration, H 2 O 2 /phenol molar ratio and reaction time, were studied using statistical design of experiments to optimize the phenol degradation in terms of studied parameters. (degruyter.com)
For instance, the complete degradation can be achieved at six hours reaction time, 0.03 H 2 O 2 /phenol molar ratio, and 10 g/m 3 ozone concentration. (degruyter.com)
When the initial phenol concentration was above 630 mg.ℓ -1 , the degradation results were indicative of both meta- and ortho-cleavage pathways. (scielo.org.za)
The values of the Haldane kinetic parameters indicated a low degree of inhibition exerted by the presence of increasing phenol concentration. (scielo.org.za)
This was substantiated by the observation that the rate constant of phenol removal decreased by only 33% even though the initial phenol concentration was increased by 15 times from 70 to 1 050 mg.ℓ -1 . (scielo.org.za)
The effects of pH (3-7), UV/SPION nanoparticles ratio (1-3), contact time (30-90 minutes), and initial phenol concentration (20-80 mg L-1) on the photocatalytic process were investigated. (bvsalud.org)

Phenol reacts with dilute nitric acid at room temperature to give a mixture of 2-nitrophenol and 4-nitrophenol while with concentrated nitric acid, additional nitro groups are introduced, e.g. to give 2,4,6-trinitrophenol. (wikipedia.org)

In animals, breathing air with high levels of phenol resulted in irritation of the lungs. (cdc.gov)

Phenol evaporates more slowly than water, and a moderate amount can form a solution with water. (cdc.gov)

Phenol is a crystalline solid white in colour.It is also known as phenolic acid.If a compound is consisting of a six-membered aromatic ring and bonded to a hydroxyl group directly, then it can be referred to as phenol.Phenols are widely used in household products and as intermediates for industrial synthesis. (polymerupdate.com)

The substance phenol, methylstyrenated, Chemical Abstracts Service Registry Number (CAS RN) Footnote 3 68512-30-1, referred to throughout this document as MSP Footnote 4 , was one of the 145 substances included in the screening assessment. (canada.ca)
Humic substances are classified into three derived phenols generated by CuO oxidation are based on subcategories: humin, humic acid, and fulvic acid, based on GC-MS, HPLC with diode array detection (DAD) and CE- extractability at different pH values [3]. (lu.se)

Phenol, or Benzenol, (also known as carbolic acid or phenolic acid) is an aromatic organic compound with the molecular formula C6H5OH. (wikipedia.org)
Phenol is used primarily in the production of phenolic resins and in the manufacture of nylon and other synthetic fibers. (cdc.gov)
Phenol is primarily used in the duration inhalation MRLs were derived cause dermal inflammation and production of phenolic resins and in the Dermal - Use of ointments and cleaners for phenol. (cdc.gov)
They observed that the phenolic compounds in the extracts altered the cells' development, reducing the adipocytes' fat content from 8%-56%, depending on the differing phenols used. (news-medical.net)

Phenol is used as a disinfectant and is found in a number of consumer products. (cdc.gov)

Ingestion of concentrated phenol can produce internal burns. (cdc.gov)

MCDB 131 Medium, Without L-Glutamin, Without Glucose and No Phenol Red - 500ml - 1 kit is backordered and will ship as soon as it is back in stock. (dnamethsoc.com)

C6H5O- + H+}}} Phenol is more acidic than aliphatic alcohols. (wikipedia.org)

The chemical reactions and pathways involving a phenol, any compound containing one or more hydroxyl groups directly attached to an aromatic carbon ring. (mcw.edu)

Phenol is flammable. (cdc.gov)

Phenols are organic compounds that feature a hydroxyl group directly bonded to an aromatic carbocyclic ring. (sigmaaldrich.com)
Sciencemadness Discussion Board » Fundamentals » Organic Chemistry » Phenol coupling? (sciencemadness.org)
The changes in the vegetation cover in the catchment considerably modified the composition of terrestrial organic matter deposited in the lake sediments, which is reflected by the composition of lignin phenols. (lu.se)
This study demonstrates that the combination of lignin phenols analysis and pollen-based quantitative land cover reconstruction is a useful approach for investigating long-term changes in terrestrial organic matter delivery to lake ecosystems. (lu.se)
A low-viscosity mobile phase consisting of compressed trial organic matter in geosciences because the composition carbon dioxide is used in SFC to achieve fast and efficient of its phenols is an important indicator of the type of original separation. (lu.se)

The present work was carried out to remove phenol from aqueous medium using a photocatalytic process with superparamagnetic iron oxide nanoparticles (Fe3O4) called SPIONs . (bvsalud.org)
Our research findings indicate that it is possible to employ response surface methodology as a helpful tool to optimize and modify process parameters for maximizing phenol removal from aqueous solutions and photocatalytic processes using SPIONs . (bvsalud.org)

Ingestion of high amounts of phenol or fibers. (cdc.gov)

Reported frequency of use of personal care products correlated very well with urine biomarker levels of paraben and phenols. (biomedcentral.com)

Phenol has been found in at least 595 of the 1,678 National Priority List (NPL) sites identified by the Environmental Protection Agency (EPA). (cdc.gov)
Phenol is a major environmental contaminant produced by various industries. (degruyter.com)
The high separation power and short analysis time obtained demonstrate for the first time that supercritical fluid chromatography is a fast and reliable technique for the analysis of lignin-derived phenols in complex environmental samples. (lu.se)

metabolism of phenol is saturable. (cdc.gov)

Furthermore, we found that waterpipe mainstream smoke contains considerable amounts of catechol, hydroquinone and phenol, each of which causing some health concern at least. (nih.gov)

Hydrodeoxygenation (HDO) kinetics of phenol over Ag/TiO 2 catalyst was investigated at 415-600 K and 1 atm. (lancs.ac.uk)

Thus, the activated sludge acclimated to only 140 mg.ℓ -1 of phenol could successfully treat up to 1 050 mg.ℓ -1 of phenol without experiencing complete inhibition during the degradation process. (scielo.org.za)

Phenol can have beneficial effects when used medically as an antiseptic or anesthetic. (cdc.gov)

Phenol causes nerve destruction by inducing protein precipitation. (medscape.com)

Phenol is a white, salt-like compound that can make the salicylic acid in aspirin. (gizmodo.com)

Altogether, the data on VOCs, phenols and elements presented in this study clearly point to the health hazards associated with the consumption of tobacco using waterpipes. (nih.gov)
Anthocyanins are one class of phenols, and studies have associated the consumption of anthocyanin-rich foods with reduced risks of cardiovascular disease, Type 2 diabetes and certain types of cancer. (news-medical.net)

A significant decrease in the contents of phenols and alkaloids was observed in leaves inoculated with PVX (X-I). However, there was an increase in the percentage of phenols in leaves rubbed with phosphate buffer (C1-I) and in leaves from the nodes immediately above, possibly induced by mechanical injury. (scielo.br)
According to the one-way analysis of variance results, the quadratic model obtained by RSM is statistically significant for removing phenol . (bvsalud.org)

Phenol generally remains in the soil only about 2 to 5 days. (cdc.gov)
Larger or repeated releases of phenol can remain in the air, water, and soil for much longer periods of time. (cdc.gov)
Four phenols were slurry spiked onto a well characterised soil and extracted at time intervals over a period of 187 days. (rsc.org)

Waterpipe smoke: source of toxic and carcinogenic VOCs, phenols and heavy metals? (nih.gov)

4, 4' Substituted cyclohexadienone can undergo a dienone-phenol rearrangement in acid conditions and form stable 3,4‐disubstituted phenol. (wikipedia.org)
You may be exposed to phenol if you undergo "chemical peels" to remove skin lesions with phenol-containing products or are treated for chronic pain or spasticity with injections of phenol. (cdc.gov)

Currently there are no citations for VH 101 phenol-alkylC6-amine. (tocris.com)

Following small, single releases, phenol is rapidly removed from the air (generally, half is removed in less than a day). (cdc.gov)

There was a close similarity between the empirical values gained for the phenol content and the predicted response values. (bvsalud.org)

Alphamethylstyrene (AMS) is formed as an intermediate product during Phenol and Acetone production. (ineos.com)

Smoking or inhaling second hand smoke will expose you to phenol. (cdc.gov)

The International Agency for Research on Cancer (IARC) and the EPA have determined that phenol is not classifiable as to its carcinogenicity to humans. (cdc.gov)

Phenol is both a manufactured chemical and a natural substance. (cdc.gov)

Phenol is majorly used in cosmetics and pharmaceuticals. (sigmaaldrich.com)
Many phenols and parabens are applied in cosmetics, pharmaceuticals and food, to prevent growth of bacteria and fungi. (biomedcentral.com)

The sodium salt of phenol, sodium phenoxide, is far more water-soluble. (wikipedia.org)
In support of the second explanation, the pKa of the enol of acetone in water is 10.9, making it only slightly less acidic than phenol (pKa 10.0). (wikipedia.org)
Phenol can remain in water for a week or more. (cdc.gov)
Low levels of phenol can be present in air and drinking water. (cdc.gov)
of phenol or its metabolites in human water. (cdc.gov)
Application of phenol to the skin can water. (cdc.gov)
Note: Phenol liquefies by mixing with about 8% water. (cdc.gov)
Phenol pollutes water bodies and inhibits the γ-aminobutyric acid receptor (GABAAR)-coupled chloride ATPase function in the fish brain. (sigmaaldrich.com)
Test water pH within 6.8 to 8.2 range with this phenol red pH testing kit. (wardsci.com)

Organisms3

Diseases1

Chemicals and Drugs23

Health Care1

Degradation of phenol2

Concentrations11

Chloroform5

Contain phenol3

Sickeningly sweet and tarry2

Benzene1

Photocatalytic degradation1

Soluble in water1

Cause respiratory irritation1

Exposure8

Glucuronide1

Formaldehyde1

Hydrogen1

Concentration6

Dilute1

Irritation1

Evaporates1

Crystalline solid1

Substances2

Phenolic4

Disinfectant1

Produce internal burns1

Glucose1

Alcohols1

Pathways1

Flammable1

Organic5

Aqueous2

Ingestion1

Urine1

Environmental3

Metabolism1

Amounts1

Kinetics1

Inhibition1

Antiseptic1

Protein1

Compound1

Consumption2

Significant2

Soil3

Toxic1

Undergo2

Citations1

Rapidly1

Content1

Intermediate1

Smoke1

Humans1

Substance1

Pharmaceuticals2

Water9