Organic Chemicals
Water Pollutants, Chemical
Chemistry, Organic
Soil Pollutants
Biodegradation, Environmental
Environmental Pollutants
Polychlorinated Biphenyls
Environmental Monitoring
Water Microbiology
Environmental Exposure
Models, Chemical
Chemical Phenomena
Multiple Chemical Sensitivity
Organ-selective homing defines engraftment kinetics of murine hematopoietic stem cells and is compromised by Ex vivo expansion. (1/1961)
Hematopoietic reconstitution of ablated recipients requires that intravenously (IV) transplanted stem and progenitor cells "home" to organs that support their proliferation and differentiation. To examine the possible relationship between homing properties and subsequent engraftment potential, murine bone marrow (BM) cells were labeled with fluorescent PKH26 dye and injected into lethally irradiated hosts. PKH26(+) cells homing to marrow or spleen were then isolated by fluorescence-activated cell sorting and assayed for in vitro colony-forming cells (CFCs). Progenitors accumulated rapidly in the spleen, but declined to only 6% of input numbers after 24 hours. Although egress from this organ was accompanied by a simultaneous accumulation of CFCs in the BM (plateauing at 6% to 8% of input after 3 hours), spleen cells remained enriched in donor CFCs compared with marrow during this time. To determine whether this differential homing of clonogenic cells to the marrow and spleen influenced their contribution to short-term or long-term hematopoiesis in vivo, PKH26(+) cells were sorted from each organ 3 hours after transplantation and injected into lethally irradiated Ly-5 congenic mice. Cells that had homed initially to the spleen regenerated circulating leukocytes (20% of normal counts) approximately 2 weeks faster than cells that had homed to the marrow, or PKH26-labeled cells that had not been selected by a prior homing step. Both primary (17 weeks) and secondary (10 weeks) recipients of "spleen-homed" cells also contained approximately 50% higher numbers of CFCs per femur than recipients of "BM-homed" cells. To examine whether progenitor homing was altered upon ex vivo expansion, highly enriched Sca-1(+)c-kit+Lin- cells were cultured for 9 days in serum-free medium containing interleukin (IL)-6, IL-11, granulocyte colony-stimulating factor, stem cell factor, flk-2/flt3 ligand, and thrombopoietin. Expanded cells were then stained with PKH26 and assayed as above. Strikingly, CFCs generated in vitro exhibited a 10-fold reduction in homing capacity compared with fresh progenitors. These studies demonstrate that clonogenic cells with differential homing properties contribute variably to early and late hematopoiesis in vivo. The dramatic decline in the homing capacity of progenitors generated in vitro underscores critical qualitative changes that may compromise their biologic function and potential clinical utility, despite their efficient numerical expansion. (+info)Quantitative structure-activity relationships for nasal pungency thresholds of volatile organic compounds. (2/1961)
A model was developed for describing the triggering of nasal pungency in humans, based on the partition of volatile organic compounds (VOCs) between the air phase and the biophase. Two partition parameters are used in the model: the water-air partition coefficient and the octanol-water partition coefficient. The model was validated using data from the literature, principally on alcohols, acetates and ketones. The model suggests that all test compounds, regardless of their chemical functional groups, bind to a common receptor site within the hydrophobic interior of the bilayer membrane of the trigeminal nerve endings. There is probably only a slight, non-specific interaction between the VOC molecule and the receptor molecule, whereas this type of non-specific interaction for the detection of odor is much stronger. In practical terms, the suggestion that all VOCs share a common irritation receptor site implies that nasal-pungency thresholds of individual VOCs may be additive. Quantitative structure-activity relationships (QSARs) for nasal-pungency thresholds were also developed from the model, which can be used to predict nasal-pungency thresholds of common VOCs. Although the present model does not offer additional precision over that of M.H. Abraham et al., 1996, Fundam. Appl. Toxicol. 31, 71-76, it requires fewer descriptors and offers a physiological basis to the QSAR. Another advantage of the present model is that it also provides a basis for comparison between the olfactory process and nasal pungency. (+info)Combination of fluorescent in situ hybridization and microautoradiography-a new tool for structure-function analyses in microbial ecology. (3/1961)
A new microscopic method for simultaneously determining in situ the identities, activities, and specific substrate uptake profiles of individual bacterial cells within complex microbial communities was developed by combining fluorescent in situ hybridization (FISH) performed with rRNA-targeted oligonucleotide probes and microautoradiography. This method was evaluated by using defined artificial mixtures of Escherichia coli and Herpetosiphon aurantiacus under aerobic incubation conditions with added [3H]glucose. Subsequently, we were able to demonstrate the potential of this method by visualizing the uptake of organic and inorganic radiolabeled substrates ([14C]acetate, [14C]butyrate, [14C]bicarbonate, and 33Pi) in probe-defined populations from complex activated sludge microbial communities by using aerobic incubation conditions and anaerobic incubation conditions (with and without nitrate). For both defined cell mixtures and activated sludge, the method proved to be useful for simultaneous identification and analysis of the uptake of labeled substrates under the different experimental conditions used. Optimal results were obtained when fluorescently labeled oligonucleotides were applied prior to the microautoradiographic developing procedure. For single-cell resolution of FISH and microautoradiographic signals within activated sludge flocs, cryosectioned sample material was examined with a confocal laser scanning microscope. The combination of in situ rRNA hybridization techniques, cryosectioning, microautoradiography, and confocal laser scanning microscopy provides a unique opportunity for obtaining cultivation-independent insights into the structure and function of bacterial communities. (+info)Effects of pyrogallol, hydroquinone and duroquinone on responses to nitrergic nerve stimulation and NO in the rat anococcygeus muscle. (4/1961)
1. The hypothesis that endogenous superoxide dismutase (SOD) protects the nitrergic transmitter from inactivation by superoxide and that this explains the lack of sensitivity of the transmitter to superoxide generators was tested in the rat isolated anococcygeus muscle. 2. Responses to nitrergic nerve stimulation or to NO were not significantly affected by exogenous SOD or by the Cu/Zn SOD inhibitor diethyldithiocarbamic acid (DETCA). 3. Hydroquinone produced a concentration-dependent reduction of responses to NO with an IC50 of 27 microM, and higher concentrations reduced relaxant responses to nitrergic nerve stimulation with an IC50 of 612 microM. The effects of hydroquinone were only slightly reversed by SOD, so it does not appear to be acting as a superoxide generator. 4. Pyrogallol produced a concentration-dependent reduction in responses to NO with an IC50 value of 39 microM and this effect was reversed by SOD (100-1000 u ml(-1)). Pyrogallol did not affect responses to nitrergic nerve stimulation. Treatment with DETCA did not alter the differentiating action of pyrogallol. 5. Duroquinone produced a concentration-dependent reduction of relaxations to NO with an IC50 value of 240 microM and 100 microM slightly decreased nitrergic relaxations. After treatment with DETCA, duroquinone produced greater reductions of relaxant responses to NO and to nitrergic stimulation, the IC50 values being 8.5 microM for NO and 40 microM for nitrergic nerve stimulation: these reductions were reversed by SOD. 6. The findings do not support the hypothesis that the presence of Cu/Zn SOD explains the greater susceptibility of NO than the nitrergic transmitter to the superoxide generator pyrogallol, but suggest that it may play a role in the effects of duroquinone. (+info)Hematopoietic stem cell tracking in vivo: a comparison of short-term and long-term repopulating cells. (5/1961)
We have previously demonstrated that we could separate long-term repopulating stem cells from cells that provided radioprotection (short-term repopulating cells) on the basis of size and suggested that this might be due to the quiescent nature of long-term repopulating cells. To further define the activity of these populations, we used a dye (PKH26), which incorporates into the membrane of cells and is equally distributed to daughter cells when they divide. We developed an assay, which allowed us to retrieve PKH26(+) long-term and short-term repopulating cells in the hematopoietic tissues of the recipients posttransplant. We were able to recover the labeled cells and determine their cell cycle activity, as well as their ability to reconstitute secondary lethally irradiated hosts in limiting dilution. The results of our assay suggest that long-term repopulating cells are quiescent in the bone marrow (BM) 48 hours after transplant. We were able to detect only a few labeled cells in the peripheral blood posttransplant and even though cells homed to both the spleen and BM, more long-term repopulating cells homed to the marrow and only these cells, which homed to the marrow, were capable of reconstituting lethally irradiated secondary hosts long-term. (+info)5-HT2B-receptor antagonist LY-272015 is antihypertensive in DOCA-salt-hypertensive rats. (6/1961)
We previously demonstrated a change in the receptors mediating 5-hydroxytryptamine (5-HT)-induced contraction in arteries of deoxycorticosterone acetate (DOCA)-salt-hypertensive rats. Specifically, contraction to 5-HT is mediated primarily by 5-HT2A receptors in arteries from normotensive sham rats and by both 5-HT2A and 5-HT2B receptors in arteries from hypertensive rats. We hypothesized that the 5-HT2B receptor may play a role in maintaining the high blood pressure of DOCA-salt-hypertensive rats, and herein we provide data connecting in vitro and in vivo findings. The endothelium-denuded isolated superior mesenteric artery of DOCA-salt rats displayed a marked increase in maximum contraction to the newly available 5-HT2B-receptor agonist BW-723C86 compared with that of arteries from sham rats, confirming that the 5-HT2B receptor plays a greater role in 5-HT-induced contraction in arteries from DOCA-salt rats. In chronically instrumented rats, the 5-HT2B-receptor antagonist LY-272015 (0.3, 1.0, and 3.0 mg/kg iv at 30-min intervals) was given cumulatively 1 time/wk during 4 wk of continued DOCA-salt treatment. LY-272015 did not reduce blood pressure of the sham-treated rats at any time or dose. However, LY-272015 (1.0 and 3. 0 mg/kg) significantly reduced mean blood pressure in a subgroup of week 3 (-20 mmHg) and week 4 DOCA-salt (-40 mmHg) rats that had extremely high blood pressure (mean arterial blood pressure approximately 200 mmHg). Blockade of 5-HT2B receptors by in vivo administration of LY-272015 (3.0 mg/kg) was verified by observing reduced 5-HT-induced contraction in rat stomach fundus, the tissue from which the 5-HT2B receptor was originally cloned. These data support the novel hypothesis that 5-HT2B-receptor expression is induced during the development of DOCA-salt hypertension and contributes to the maintenance of severe blood pressure elevations. (+info)Rapid and sensitive quantification of Borrelia burgdorferi-infected mouse tissues by continuous fluorescent monitoring of PCR. (7/1961)
The quantity of Borrelia burgdorferi organisms in tissue samples is an important determinant for infection studies in the mouse model of Lyme disease. This report presents the development of a rapid and sensitive external-standard-based PCR assay for the absolute quantification of B. burgdorferi in mouse tissue samples. The assay uses a double-stranded DNA dye to continuously monitor product formation and in less than an hour was able to quantify samples ranging up to 6 log units in concentration. The PCR efficiencies of the sample and the standard were matched by using a standard composed of purified B. burgdorferi chromosome mixed with tissue-matched mouse genome lacking bacterial DNA. Normalization of B. burgdorferi quantities to the mouse nidogen gene allowed comparison of B. burgdorferi numbers in samples isolated from different tissues and strains. PCR analysis of the chromosomal gene recA in cultured B. burgdorferi was consistent with a single recA per bacterium. The parameters defined in this assay should be applicable to quantification of other organisms, even infectious agents for which no ready source of DNA standard is available. In summary, this report presents a rapid external-standard-based PCR method for the quantification of B. burgdorferi in mouse DNA samples. (+info)Marked inhibition of tumor growth in a malignant glioma tumor model by a novel synthetic matrix metalloproteinase inhibitor AG3340. (8/1961)
Synthetic matrix metalloproteinase (MMP) inhibitors have activity against a variety of tumors in preclinical models but have not been studied in gliomas. We determined the effect of AG3340, a novel synthetic MMP inhibitor with Ki values against gelatinases in the low picomolar range, on the growth of a human malignant glioma cell line (U87) in SCID-NOD mice. Mice were injected s.c. with U87 cells. Tumors were allowed to grow to a size of approximately 0.5 x 0.5 cm (after about 3 weeks), and the mice were randomized to receive either: (a) 100 mg/kg AG3340 in vehicle; or (b) vehicle control (0.5% carboxymethyl cellulose, 0.1% pluronic F68), both given daily i.p. Tumor area was measured twice weekly, and animals were sacrificed when moribund, or earlier if premorbid histology was examined. In vivo inhibition of tumor growth was profound, with AG3340 decreasing tumor size by 78% compared with controls after 31 days (when controls were sacrificed; P < 0.01, Wilcoxon test). Control animals survived 31 days after the i.p. injections began, and AG3340 mice survived 71 days, representing a >2-fold increase in survival associated with tumor growth delay. Histological examination found that AG3340-treated tumors were smaller, had lower rates of proliferation, and significantly less invasion than control-treated tumors. Hepatic or pulmonary metastases were not seen in either group. In a separate experiment, the tumors were smaller and sampled after a shorter duration of treatment; the changes in proliferation were more marked and occurred earlier than differences in tumor invasion between the two groups. Furthermore, in vitro cell growth was not inhibited at AG3340 concentrations of <1 mM. AG3340 plasma concentrations in vivo, 1 h after administration, ranged from 67 to 365 nM. Thus, AG3340 produced a profound inhibition of glioma tumor growth and invasion. AG3340 markedly increased survival in this in vivo glioma model. Treatment with AG3340 may be potentially useful in patients with malignant gliomas. (+info)The diagnosis of MCS is based on a combination of medical history, physical examination, and laboratory tests. There is no specific diagnostic test for MCS, and the condition can be difficult to diagnose because its symptoms are similar to those of other conditions. Treatment for MCS typically involves avoiding exposure to chemicals and managing symptoms through lifestyle changes, stress reduction techniques, and medication.
MCS is a controversial condition, and some researchers question whether it is a valid medical diagnosis. However, many health professionals recognize MCS as a legitimate condition that affects thousands of people worldwide.
There are several types of chemical sensitivity, including:
* Irritant-induced sensitivity: This type of sensitivity occurs when an individual becomes sensitive to a specific chemical after repeated exposure to it.
* Allergic contact sensitivity: This type of sensitivity occurs when an individual develops an allergic reaction to a specific chemical.
* Idiopathic environmental intolerance: This type of sensitivity occurs when an individual experiences adverse reactions to multiple chemicals, without any known cause.
There are several risk factors for developing MCS, including:
* Previous exposure to toxic chemicals
* Genetic predisposition
* Age (MCS is more common in younger adults)
* Gender (women are more likely to develop MCS than men)
* Stress and psychological factors
There are several ways to prevent or reduce the risk of developing MCS, including:
* Avoiding exposure to toxic chemicals
* Using protective gear and equipment when working with chemicals
* Properly disposing of chemical waste
* Following safety protocols when handling chemicals
* Reducing stress and managing psychological factors.
There are several ways to diagnose MCS, including:
* Medical history and physical examination
* Allergy testing (such as skin prick testing or blood tests)
* Environmental exposure assessment
* Physiological testing (such as heart rate and blood pressure monitoring)
* Neuropsychological testing (such as cognitive function and mood assessment).
There are several treatment options for MCS, including:
* Avoiding exposure to triggers
* Medications (such as antihistamines or antidepressants)
* Immunotherapy (such as allergy shots)
* Cognitive behavioral therapy (CBT)
* Alternative therapies (such as acupuncture or herbal supplements).
It is important to note that MCS is a complex and controversial condition, and there is ongoing debate about its cause and validity. However, for those who suffer from the condition, it can have a significant impact on their quality of life, and it is important to seek medical attention if symptoms persist or worsen over time.
Hindustan Organic Chemicals Limited
Polar organic chemical integrative sampler
Scanning Habitable Environments with Raman and Luminescence for Organics and Chemicals
List of metal-organic chemical vapour deposition precursors
Benzene
China-India relations
Cluj County
Ethanol
Reichstein process
Raschig-Hooker process
Allyl acetate
Methyl methacrylate
Fir
Organic chemistry
Tetrahydrothiophene
Chemical industry in India
Commodity chemicals
Chemical fouling inhibitors
Summer Rayne Oakes
4-Vinylcyclohexene
Desulfurella
Trifluoroacetic acid
Indoor air quality
Brilliant blue FCF
Redmanol Chemical Products Company
Chemical Industries of Ethylene Oxide explosion
Sphingobium francense
Polycyclic aromatic hydrocarbon
Lubrizol
Dienone-phenol rearrangement
Zakya Kafafi
Organometallics
Sulfide
Sieve analysis
Hyporheic zone
Uridine monophosphate synthase
Propiolaldehyde
Frank Neese
DIC
Hans Jenny (pedologist)
Ashley Walker (astrochemist)
Bohemic acid
Soil gas
List of discontinued photographic films
Emily Parker
Abietane
Khand
Myxobacteria
Nikolai Menshutkin
Paul Wild (Swiss astronomer)
Living mulch
Voltammetry
Metabolism
Croconate blue
Belize-India relations
Food web
Joseph Kuczkowski
Bone char
Tarragon
Sodium azide
Volatile organic compounds | Chemical Classifications | Toxic Substance Portal | ATSDR
CDC - NIOSH Pocket Guide to Chemical Hazards -
Arsenic (organic compounds, as As)
Browsing Publications by Subject "Organic Chemicals"
ACS Medicinal Chemistry Letters Innovations: Fueling the Pipeline via Innovations in Organic Synthesis - American Chemical...
High pressure laboratory | Institute for Chemical Technology of Organic Materials
Assistant Professor in Organic Chemistry / Chemical Biology job with DURHAM UNIVERSITY | 333501
Food and chemical industry spends millions on PR to attack organic, defend GMOs
Vibrational mode analysis of hydrogen-bonded organic frameworks (HOFs): synchrotron infrared studies - Physical Chemistry...
5-bromo-6-methylpyrimidine Organic Chemicals Organic Intermediate products - China products exhibition,reviews - Hisupplier.com
Chemical Forums: Allergy to chemicals: is this the end of being organic chemist?
Why Organic Almonds? Because of the Toxic Chemical Propylene Oxide
Organic Chemical Segment
Unregulated Organic Chemicals in Biosolids: Prioritization, Fate, and Risk Evaluation for Land Application | The Water...
Sun Chemicals Archives - Ross Organic
Research Brief 24: New Oxidative Technology Shows Promise For Treating Organic Chemical Contaminants in Water (Superfund...
Cosmetic Preservatives Market Size By Product (Natural/ Organic Preservatives [Plants & Herbal Extracts, Essential Oil, Natural...
LAB CHEMICALS - ORGANIC - DYES - Page 1 - Advance Scientific & Chemical
Final Progress Reports: University of North Carolina-Chapel Hill: Measuring Chronic Exposure to and Bioavailability of Organic...
Face Serums, Organic Moisturizers And Chemical Free Skincare Products
Trade-offs in ecosystem impacts from nanomaterial versus organic chemical ultraviolet filters in sunscreens. | College of...
Organic foods and chemicals that compromise oestrogen and testosterone - Eternal Health Medical Centre
"Chemical characterization of soil organic matter in an oligotrophic, s" by Min Gao
Physical modelling of chemical compaction, overpressure development, hydraulic fracturing and thrust detachments in organic...
Hindustan Organic Chemicals Limited
Agro Chemicals | Valiant Organic Ltd.
Benzyl Alcohol IP/BP & USP - Malhotra Organic Chemicals
Quinolines and derivatives - Organoheterocyclic compounds - Organic Compounds - Chemicals
Organic Gardening: Gardening without Harmful Chemicals
- Farmers Defense
Chrome Chemical,Zinc Chrome,Industrial Chemicals,Organic Chemicals,India
Compounds9
- VOCs are a class of chemicals that are volatile (evaporate easily) and are organic compounds (contain carbon atoms). (cdc.gov)
- It turned out a few weeks ago that I have strong allergic reaction (rash, itching) on organic solvents or some compounds. (chemicalforums.com)
- Organic chemicals are the chemical compounds constituting mainly of Carbon, Oxygen, Hydrogen. (mapsofindia.com)
- These chemical compounds are also known as Hydrocarbons. (mapsofindia.com)
- Volatile organic compounds (VOCs) are chemicals that evaporate from a solid or liquid form at room temperature. (nih.gov)
- Did you know volatile organic compounds are chemicals that contribute to the "greenhouse effect" that is responsible for warming the earth? (nih.gov)
- If you're worried your health has been affected by volatile organic compounds (VOCs), talk with your doctor at your next checkup. (nih.gov)
- She noted that complex organic molecules have been around since the dawn of our solar system, and meteorites that have bombarded our planet since its origin are rich in organic compounds and might have brought the important building blocks of life. (nih.gov)
- It is interesting to note that the deuterium:hydrogen ratio in organic compounds in space is higher than (or different from) that in water. (nih.gov)
Volatile organic c1
- This is presented for 102 volatile organic chemicals (VOCs) of industrial importance. (nih.gov)
Synthesis7
- Efficient and innovative Organic Synthesis can reduce cycle time and cost of goods for Pharmaceutical R and D operations. (acs.org)
- Eric Voight (AbbVie) will give our 2nd ACS Medicinal Chemistry Letters Innovations Webinar entitled 'Fueling the Pipeline via Innovations in Organic Synthesis' and will be introduced by Dani Schultz from the Merck group. (acs.org)
- Shanghai Goyic Pharmaceutical &Chemical Co.,Ltd. is a leading professional high-tech company specialize in manufacturing, custom synthesis and contract manufacturing services to pharmaceutical ingredients, pharmaceutical intermediates, unnatural amino acids, fluorinated fine chemicals and other fine organic chemicals. (hisupplier.com)
- I've been working in organic synthesis lab as an undergraduate student for more than a year. (chemicalforums.com)
- I'm very eager to organic synthesis and I am one of the best students at our department, but it appears to me that I can't continue my research in this field. (chemicalforums.com)
- Its not really synthesis exactly but helping the organics to decipher their structures and running the stuff is pretty cool. (chemicalforums.com)
- Synthesis of amine-functionalized magnetic porous organic polymers for effective extraction of phenolic endocrine disrupting chemicals. (bvsalud.org)
Chemistry6
- We welcome applications from those with research and teaching interests in the broad field of Organic Chemistry. (timeshighereducation.com)
- We are particularly keen to hear from applicants who will strengthen and/or complement our existing strengths in the broad area of chemical biology including medicinal chemistry, agrochemistry, biomaterials and biocatalysis. (timeshighereducation.com)
- On the other hand, I'm very interested in organic chemistry and don't want to change my specialty completely. (chemicalforums.com)
- These exciting discoveries in astrochemistry-a multidisciplinary field that focuses on the chemical composition of and processes in astrophysical and planetary environments-have potential applications to the general chemistry and chemical-engineering communities. (nih.gov)
- Accordingly, the Chemical Sciences Roundtable of the National Academies of Sciences, Engineering, and Medicine held a workshop on November 8-9, 2018, to (1) explore the chemistry of space-its novel chemicals and reaction mechanisms, (2) discuss information from remote sensing through spectroscopy, and (3) consider discoveries from spacecraft missions in the solar system and laboratory studies of extraterrestrial samples. (nih.gov)
- 1 The ultimate goals of the workshop were to bring the various communities together to explore how discoveries in astrochemistry might provide insights or opportunities for the general chemistry and chemical-engineering communities and to promote understanding in the chemistry and chemical-engineering communities of how they might be able to help the astrochemistry community approach its challenges. (nih.gov)
Environmental8
- Environmental scientists estimate that chemical contaminants from ground spills, buried wastes, and other sources have migrated into the groundwater on over 80 percent of the country's Superfund sites. (nih.gov)
- Environmental scientists and engineers have been challenged to clean up polluted aquifers in order to protect human populations and aquatic ecosystems from the harmful effects of chemical exposures. (nih.gov)
- Both nanoparticulate (nZnO and nTiO) and organic chemical ultraviolet (UV) filters are active ingredients in sunscreen and protect against skin cancer, but limited research exists on the environmental effects of sunscreen release into aquatic systems. (oregonstate.edu)
- Freshwater wetland soils of the Everglades were studied in order to assess present environmental conditions and paleo-environmental changes using organic geochemistry techniques. (fiu.edu)
- The soil organic matter (SOM) preservation was assessed through elemental analysis and molecular characterizations of bulk 13C stable isotopes, solid state 13C NMR spectroscopy, UV-Vis spectroscopy, and tetramethyl ammonium hydroxide (TMAH) thermochemolysis-GC/MS. The relationship of the environmental conditions and degradation status of the soil organic matter (SOM) among the sites suggested that both high nutrient levels and long hydroperiod favor organic matter degradation in the soils. (fiu.edu)
- Organic gardening offers the opportunity to cultivate a thriving garden while maintaining a minimal environmental impact. (farmersdefense.com)
- In this article, you'll discover the most accessible ways to create your own organic garden, all while learning about environmental impact, how-tos, and why so many people are switching to these methods. (farmersdefense.com)
- The inhalation of chemicals, particulate matter (dusts and fibers), and the incomplete products of combustion during occupational and environmental disasters has long been associated with respiratory disorders[1]. (cdc.gov)
Contaminants1
- Once chemicals reach an aquifer, groundwater can carry the contaminants far from their original source into private and municipal water supplies, as well as to wetlands, streams and lakes. (nih.gov)
Exposure6
- Aside from compromising sexual activity, fatigue, depression, diminished cognitive ability and waning emotional wellbeing can be the consequence of ongoing exposure to these chemicals. (eternalhealth.org)
- The toxicological endpoint presented below is for a very specific and documented physiological response, "sensory irritation", used to establish a "safe level of exposure" in humans to widely used, stored and transported industrial chemicals. (nih.gov)
- In fact, sensory irritation potency of widely used industrial chemicals is the basis to establish a "safe level of exposure" for at least 33% of them as presented below. (nih.gov)
- Principles and methods for assessing autoimmunity associated with exposure to chemicals. (who.int)
- Principles for evaluating health risks in children associated with exposure to chemicals. (who.int)
- Together, these advances will facilitate more accurate assessments of exposure and human health risks to Superfund chemicals. (nih.gov)
Solvents1
- First, we developed methodology to extract nanoparticles from sunscreens with organic solvents. (oregonstate.edu)
Formaldehyde1
- The formaldehyde releasers synthetic/chemical preservative segment is expected to expand at a CAGR of over 7.5% over the projected period. (marketresearch.com)
Molecules1
- PubChem contains the chemical structures of small organic molecules and information on their biological activities. (nih.gov)
India1
- A specialty chemical manufacturing company in India, backed by a legacy of 35 years, we have established a reputation of being a highly reliable supplier and a diversified product player, one that is capable of not only meeting but also anticipating market needs. (valiantorganics.com)
Intermediate1
- The Organic Chemical Segment inIndia is an important intermediate industry. (mapsofindia.com)
Hydrogen2
Porous1
- Amine -functionalized porous organic polymers (EDA-POP-PC and EDA-POP-BT) were prepared by post-modification of POP-PC and POP-BT with ethylenediamine (EDA) for the first time . (bvsalud.org)
Risks3
- This book presents WHO guidelines for the protection of public health from risks due to a number of chemicals commonly present in indoor air. (who.int)
- A new report from Friends of the Earth - Spinning Food: How Food Industry Front Groups and Covert Communications are Shaping the Story of Food - documents unprecedented levels of spending from front groups, trade associations and anti-GMO labeling campaigns, with vast corporate marketing budgets aimed at defusing public concern about the risks of chemical-intensive industrial agriculture and undermining the reputation of organic food. (foe.org)
- Some industrial chemicals : views and expert opinions of an IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, Lyon, 15-22 February 2000. (who.int)
Segment3
- The organic acid natural/organic product segment is projected to observe stable growth at a CAGR of above 10% over the assessment timeframe. (marketresearch.com)
- The alcohol synthetic/chemical preservative segment, on the other hand, is estimated to register a growth of over 9.4% CAGR through the coming years. (marketresearch.com)
- Moreover, the others synthetic/chemical preservative segment is anticipated to grow at a steady CAGR of over 5.5% over the forecast period. (marketresearch.com)
Actions and Uses1
- A sample of this new Subcategory is shown later in this article under Chemical Actions and Uses (D27) . (nih.gov)
Concentrations1
- Air concentrations of all organic solvent vapors and aldehydes were less than 1 and 0.1 part per million, respectively. (cdc.gov)
Toxic3
- There is a good reason why the spraying of PPO is banned in organic - it is a super-toxic chemical that is used in foams in furniture and car seats, building insulation, waterproof clothing and aircraft de-icers. (livingmaxwell.com)
- Even if the conventional almonds are PPO-free, they are allowed to be sprayed with other super-toxic chemicals, such as glyphosate - the primary ingredient in Monsanto's RoundUp. (livingmaxwell.com)
- By eliminating the use of harmful chemicals, you can reduce the risk of contaminating the soil and water, as well as prevent the release of toxic pollutants into the air. (farmersdefense.com)
Search1
- Results of search for 'su:{Organic chemicals. (who.int)
Synthetic1
- In terms of product, the global cosmetics preservative market has further been categorized into natural/organic and synthetic/chemical preservative. (marketresearch.com)
Degradation2
- Organic UV filters did not cause measurable MB degradation. (oregonstate.edu)
- This is probably the result of an increase in the microbial activity in the soils which have higher nutrient levels, while longer hydroperiods may enhance physical/chemical degradation processes. (fiu.edu)
Processes3
- The Institute for Chemical Technology of Organic Materials has a strong focus on industrial relevant polymerization processes and specifically operates a state-of-the-art olefin polymerization lab developed together with PRT GmbH. (jku.at)
- The most significant transformations of biomass litter in this environment are controlled by very early physical/chemical processes and once the OM is incorporated into surface soils, the diagenetic change, even over extended periods of time is comparatively minimal, and SOM is relatively well preserved regardless of hydroperiod or nutrient levels. (fiu.edu)
- To investigate processes of chemical compaction, overpressure development and hydraulic fracturing, we have developed new techniques of physical modelling in a closed system. (archives-ouvertes.fr)
Biological1
- Effective molecular proxies were developed to differentiate the relative input of organic matter from different biological sources to wetland soils. (fiu.edu)
Significantly2
- It contributes significantly to the total growth of theIndian Chemical sector. (mapsofindia.com)
- A recent study out of the USA has revealed that an organic diet significantly reduces the excretion of a range of pesticides in both adults and children. (eternalhealth.org)
Soil1
- Prepare the soil: Test the soil pH and amend the soil with compost and organic matter to improve its structure and fertility. (farmersdefense.com)
Reduces1
- The TSCA Incinerator is an industrial operation that destroys organic chemicals in waste material and reduces the volume of waste materials that contain low-level radioactive contamination. (cdc.gov)
Harmful1
- Have you ever wondered what it would be like to grow your own food without the use of harmful chemicals? (farmersdefense.com)
Biology1
- The appointee will be expected to cultivate an internationally-leading research group and to engage in the full Departmental range of teaching at both undergraduate and postgraduate levels, including the development of new postgraduate courses (PGT and PGR) in chemical biology. (timeshighereducation.com)
Sustainable1
- Spinning Food investigates how Big Food and agrochemical corporations are deliberately misleading the public - and reporters - on facts about industrial agriculture and organic and sustainable food production. (foe.org)
Products4
- The communications strategies appear to be a response to skyrocketing annual growth in organic food sales and growing demand for GMO-free products. (foe.org)
- As an innovation-driven and customer-focused company, Goyic devotes ourselves to offer quality-guaranteed and competitive chemical products to relevant enterprises and scientific. (hisupplier.com)
- As more and more people are moving toward a plant-based diet and migrating away from animal products, organic cannot be forgotten in this equation. (livingmaxwell.com)
- However, propylene oxide, also known as PPO, is prohibited in organic," said Wendy Larsen, General Manager at Big Tree Organic Farms, a California-based grower and manufacturer of organic almonds and almond products. (livingmaxwell.com)
Health2
- Organic gardening has numerous benefits for both the environment and your health. (farmersdefense.com)
- Persistent organic pollutants: impact on child health. (who.int)
Scientific1
- Welcome to Advance Scientific & Chemical! (advance-scientific.com)
Article1
- By incorporating the techniques discussed in this article, you'll be well on your way to cultivating a beautiful and bountiful organic garden. (farmersdefense.com)
Food2
- At Tradin Organic, we believe that regenerative organic farming is key to growing healthy and nutritious food ingredients - for now and for future generations. (livingmaxwell.com)
- One of the most exciting benefits of organic gardening is the rich and robust flavor of the food that you'll harvest. (farmersdefense.com)
Years2
- Because of the salmonella outbreak many years ago, even California-grown organic almonds must be pasteurized. (livingmaxwell.com)
- Ross Organic has thirty years of experience selling into the cosmetic, personal care and home care industries. (rossorg.com)
Matter2
Specific2
Essential1
- The essential oil natural/organic product section is estimated to grow at a CAGR of over 7.5% through the forecast period. (marketresearch.com)
Higher1
- Additionally, organic produce is typically higher in nutrients and lower in toxins than conventionally grown produce. (farmersdefense.com)
Department1
- Area air samples were analyzed for organic solvent vapors and aldehydes at the Biochemistry Department (SIC-2869), George Washington University, Washington, DC in October, 1983, and February and August, 1984. (cdc.gov)
Market1
- Presently the organic chemical market is around US$ 700 million. (mapsofindia.com)
Source1
- Abnormally high values of pore fluid pressure are especially common within mature source rock, probably as a result of chemical compaction and increases in volume during hydrocarbon generation. (archives-ouvertes.fr)