Widely biphenyl compounds. Medical search. Frequent questions

The research focused on three types of compounds: polybrominated diphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), and the breakdown products, called metabolites, of dichlorodiphenyltrichloroethane (DDT). (buffalo.edu)
This bit is straight forward, they are: lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (Cr VI), polybrominated biphenyls (PBB) or polybrominated diphenyl ethers (PBDE). (envocare.co.uk)
Beginning with NHANES 2005-2006, CDC used a weighted pooled-sample design to measure serum concentrations of dioxins, furans, polychlorinated biphenyls (PCBs), organochlorine pesticides and metabolites, and brominated flame retardants (polybrominated diphenyl ethers and polybrominated biphenyl [PBB] 153). (cdc.gov)

PCBs are now widely considered an environmental contaminant as they've been shown to cause a variety of adverse health effects, including cancer, fertility complications, and neurologic disorders. (wikipedia.org)
PCBs (PCB polychlorinated biphenyls) were once widely used as dielectric fluids and heat transfer agents. (vedantu.com)
In February 2013, 26 experts from 12 countries met at the International Agency for Research on Cancer (IARC), Lyon, France, to reassess the carcinogenicity of polychlorinated biphenyls (PCBs) and polybrominated biphenyls (PBBs). (cdc.gov)
PCBs are a class of aromatic compounds comprising 209 congeners, each containing one to ten chlorine atoms attached to a biphenyl nucleus. (cdc.gov)
Examples of some organochlorine compounds include polychlorinated biphenyls (PCBs) and the well know pesticide DDT. (cdc.gov)
Image:main building.jpg]] == '''Overall''' == We are aiming to create some magic intelligent bacteria to track and 'eat' pollutants PCBs (Polychlorinated Biphenyl) and dioxins efficiently, based on the methods of synthetic biology. (igem.org)
Image:pcbs.gif]] The biphenyl molecule is made up of two connected rings of six carbon atoms each, and a PCB is any molecule having multiple chlorines attached to the biphenyl nucleus. (igem.org)
The aerobes attack PCBs oxidatively , breaking open the carbon ring and destroying the compounds. (igem.org)
Polychlorinated biphenyls (PCBs) are organic chlorine compounds widely used in the past as dielectric and coolant fluids in electrical devices. (endress.com)
This membrane nanocomposite shows robust performance in reductive and oxidative degradation of chlorinated organic compounds (e.g. trichloroethylene, TCE and polychlorinated biphenyls, PCBs). (confex.com)
Polychlorinated biphenyls (PCBs), all of which are man-made, are among the most stable organic compounds known. (pacelabs.com)
Production of PCBs, once widely used as a coolant or insulating fluid in electrical transformers and capacitators, ended in the country in 1979. (buffalo.edu)
kepone, polychlorinated biphenyls (PCBs), natural plant products in our diet, and the drug DES, which was widely used for more than 20 years beginning in the 1940s to prevent spontaneous abortions in women. (ehso.com)
These compounds are produced unintentionally from many of the same processes that produce dioxins, and also during the production of PCBs. (pops.int)
Recommended for targeted testing for polychlorinated biphenyls (PCBs) and chlorinated pesticides in drinking water. (mytapscore.com)
PCBs are synthetic compounds that were widely used up until the 1960's in electrical equipment such, as capacitors and transformers-as well as in hydraulic fluids, lubricants, plasticizers, and pesticides. (mytapscore.com)
Maternal blood samples were collected during pregnancy and concentrations of perfluoroalkyl substances (PFAS), polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs) in serum/plasma were measured. (cdc.gov)
AIMS: We investigated the association of prenatal exposure to persistent EDCs (per- and polyfluoroalkyl substances (PFAS), polychlorinated biphenyls (PCBs), and organochlorine pesticides (OCPs)) as mixtures with postnatal body size among female offspring. (cdc.gov)
We investigate bioavailability of polychlorinated biphenyls (PCBs) from polypropylene microplastic by measuring solid-water distribution coefficients, gut fluid solubilization, and bioaccumulation using sediment invertebrate worms as a test system. (researchgate.net)
This view is supported by research demonstrating that they contain toxic chemicals within their structure and also adsorb additional chemicals, including polychlorinated biphenyls (PCBs), pesticides, metals, and polycyclic aromatic hydrocarbons (PAHs), from the environment. (researchgate.net)
The Polychlorinated biphenyls (PCBs) scandal in the 1970's occurred when PCB's (aother Monsanto product- Aroclor) showed up in mother's milk. (abcplus.biz)
Free of PCBs, PCPs, polybrominated biphenyls (PBBs), polybrominated biphenyl oxides and ethers (PBBOs, PBBEs and PBDEs) and toxic heavy metal compounds, which are classified as environmentally hazardous substances. (china.cn)
Among them are Monsanto's polychlorinated biphenyls (PCBs), along with nine pesticides, including DDT, the "miracle insecticide" that began its brilliant career during World War II, bringing in its wake many molecules developed between the wars. (truthout.org)
Thirty-eight ortho-substituted polychlorinated biphenyls (PCBs), 13 persistent chlorinated pesticides, and selected pesticide metabolites are measured in serum by high-resolution gas chromatography/isotope-dilution high-resolution mass spectrometry (HRGC/ID-HRMS). (cdc.gov)
Since, however, the numbers were small, dose-response relationships could not be evaluated, and the role of compounds other than PCBs could not be excluded, the evidence was considered to be limited. (who.int)
PCBs were widely used from the 1930's through the 1980's and later, with an estimated total production of about 1.3 million metric tons (Breivik et al. (who.int)

Polychlorinated biphenyls are also known as PCB polychlorinated biphenyls were once popular pesticides. (vedantu.com)
Analysis of polychlorinated biphenyls, pesticides and halogen compounds. (unist.ac.kr)
Halogenated organic compounds are usually xenobiotic in nature and used as ingredients for the synthesis of pesticides, solvents, surfactants, and plastics. (igi-global.com)

Persistent organic pollutants are characterized by their persistence and bio-accumulative characteristics and include several first-generation organochlorine insecticides such as dieldrin, DDT, toxaphene, chlordane and some industrial chemicals or by-products including polychlorinated biphenyls, dibenzo-p-dioxins (dioxins), and dibenzo-p-furans (furans). (biomedcentral.com)

Organic pollutants such as PCB and dioxins, produced in human beings activities in the last century, are toxic and carcinogenic which are able to promulgate widely and accumulate to a high level of concentration by food chain. (igem.org)
AH receptors are identified by their high-affinity binding to several carcinogenic or teratogenic environmental chemicals including polycyclic aromatic hydrocarbons found in cigarette smoke and smog, heterocyclic amines found in cooked foods, and halogenated hydrocarbons including dioxins and polychlorinated biphenyls. (lookformedical.com)

or by-products produced by … The Swift Life is here to share Volatile Organic Compounds List with you. (valpor.lv)
35 Green Mountain Drive "Total volatile organic compounds" as the group of compounds are not generally used. (valpor.lv)
To put it in simple form, Volatile Organic Compounds or VOCs are organic chemicals that have evaporated from liquids or solids. (valpor.lv)
Volatile organic compounds are compounds that have a high vapor pressure and low water solubility. (valpor.lv)
Eligibility criteria may vary according to chosen courses Toxic substances list: volatile organic compounds Volatile organic compounds (VOCs) are organic compounds containing one or more carbon atoms that evaporate readily into the atmosphere. (valpor.lv)
Knowing this list, plus taing measure such as installing an indoor air quality monitor, will help limit exposure to Volatile organic compounds and other chemicals. (valpor.lv)
Volatile Organic Compounds (VOC) Any chemical substance which contains compound of carbon, excluding carbon monoxide, carbon dioxide, carbonic acid, metallic carbides or carbonates, and ammonium carbonate, determined to have photochemical reactivity. (valpor.lv)

There are 209 distinct PCB compounds (known as congeners) with from 1 to 10 chlorine atoms on a biphenyl molecule. (pacelabs.com)
The number and placement of the chlorine atoms on the biphenyl molecule determines how the congener is named. (pacelabs.com)
VOCs are a class of chemicals that are volatile (evaporate easily) and are organic compounds (contain carbon atoms). (valpor.lv)
An organochlorine is an organic compound in which one or more hydrogen atoms have been replaced by chlorine atoms, forming an extremely stable chemical structure that is therefore resistant to environmental degradation. (truthout.org)

The four metals are very toxic to fauna, as discussed elsewhere on this site, and have historically been used widely. (envocare.co.uk)
Many of these compounds are considered toxic and potential environmental pollutants. (lookformedical.com)
[3] Compounds that make up POPs are also classed as PBTs (persistent, bioaccumulative and toxic) or TOMPs (toxic organic micro pollutants). (wikipedia.org)
However, it is more and more recognized that there is also a need to assess the environmental impact of toxic compounds within fire effluents. (springer.com)
Progress in the field of ecotoxicological studies is important because long-term exposure from the environment and bioaccumulation of toxic compounds in the human food chain may cause indirect health effects on humans. (springer.com)
Areas around the former smelter also tested positive for polychlorinated biphenyls - a heavily toxic chemical group whose production Congress banned in 1979 - in addition to the carcinogen trichloroethylene, or TCE, an industrial solvent. (eenews.net)

Industrial products consisting of a mixture of chlorinated biphenyl congeners and isomers. (lookformedical.com)

Despite attempts to limit the use and distribution of these chemicals, they are still widely detected in the environment. (org.in)
PFASs are a large class of thousands of synthetic chemicals that are widely used throughout society and found in the environment. (endress.com)
Environmental estrogens are a variety of synthetic chemicals and natural plant compounds that are thought to mimic the female hormone estrogen. (ehso.com)
The pollutants most likely to have widespread impacts on reproductive health have been identified-hormone-mimicking chemicals that have become widely dispersed in the environment, many of which persist for decades or longer. (commondreams.org)
Volatile organic compound ( VOC) are organic chemicals that have a high vapour pressure at ordinary room temperature. (valpor.lv)
The discovery did not come by chance: insects were widely used to test chemicals as agents of death for men. (truthout.org)
Some chemicals are widely detected but have had unchanging levels in the population (e.g., phytoestrogens) and are no longer measured. (cdc.gov)

They exert their negative effects on the environment through two processes, long range transport, which allows them to travel far from their source, and bioaccumulation, which reconcentrates these chemical compounds to potentially dangerous levels. (wikipedia.org)
Depending on the fire's specific conditions, many diverse chemical compounds are produced in varying amounts. (springer.com)
Generally, optical brighteners are those chemical compounds that have the ability to absorb light in the ultraviolet (UV) and violet region and re-emit it as visible blue fluorescence light. (procurementresource.com)

The compounds contain the functional group consisting of biphenyl less one hydrogen. (vedantu.com)

In 1987, Swackhamer joined the University of Minnesota faculty where she continued her research of studying the process that affect the behavior and fate of organic contaminants that are resistant to degradation and remain in the environment for a long time, known as "persistent organic compounds. (wikipedia.org)
Persistent organic pollutants ( POPs ) are organic compounds that are resistant to degradation through chemical , biological , and photolytic processes. (wikipedia.org)

The other synonyms used for Methyl Biphenyl are 4-Methylbiphenyl, 4-Phenyltoluene, 644-08-6, 4-Methyl-1, 1-methyl-4-phenyl benzene. (vedantu.com)

It comprises the family of organic halogen compounds. (vedantu.com)
The stability and lipophilicity of organic compounds often correlates with their halogen content, thus polyhalogenated organic compounds are of particular concern. (wikipedia.org)

PCB, or polychlorinated biphenyl, is a chlorine compound that was once widely found in dielectric and coolant fluids used in electronics. (wikipedia.org)

Biphenyl forms colorless crystals and is an organic compound. (vedantu.com)
An organic compound formerly used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent. (fmc.com)

Catabolic pathway for degradation of biphenyl and organization of bph gene cluster is as follows: === The Experiments === *1.Get the parts from biobrick We largely follow the instructions provided by the webpage, however, more TE buffer is added(10ul). (igem.org)
Halogenated compounds also exhibit great stability reflecting the nonreactivity of C-Cl bonds toward hydrolysis and photolytic degradation . (wikipedia.org)

Simple aromatic halogenated organic compounds, such as 3,4-difluoro-2-amino biphenyl, are very unreactive. (mahaautomation.com)
A liver microsomal cytochrome P-450 monooxygenase capable of biotransforming xenobiotics such as polycyclic hydrocarbons and halogenated aromatic hydrocarbons into carcinogenic or mutagenic compounds. (lookformedical.com)

Carcinogenicity of polychlorinated biphenyls and polybrominated biphenyls. (cdc.gov)

Its relative synonyms are 2-isopropyl biphenyl, ISOPROPYL BIPHENYL, (1-phenyl-2-propane-2-yl)benzene, 19486-60-3, UNII-W161X7N5AA. (vedantu.com)
3,4-difluoro-2-amino biphenyl is a dihalogenated benzene used in the preparation of pharmaceutical compounds such as atypical antipsychotic agents. (mahaautomation.com)
Compounds that contain a BENZENE ring fused to a furan ring. (lookformedical.com)

The sampling also revealed fluoride, cyanide and semivolatile organic compounds - a class of toxins associated with industrial burn pits - in nearby wetlands. (eenews.net)

These compounds are highly lipophilic and tend to accumulate in fat stores of animals. (lookformedical.com)

These compounds are used in industry as heat exchange fluids, in electric transformers and capacitors, and as additives in paint, carbonless copy paper, and plastics. (pops.int)

Calibration of mass spectrometer response factor vs. concentration is performed using calibration standards containing known concentrations of each 12 C compound and its corresponding 13 C internal standard. (cdc.gov)

Biphenyl cannot be dissolved in water but is soluble in organic solvents. (vedantu.com)
The approach was designed to remove the lower molecular weight compounds, which are the more soluble and mobile fraction of the contamination, via chemical oxidation while cementing the remaining higher molecular weight fraction of the tar in place. (fmc.com)

The continuous use of large quantities of these compounds, owing to environmental persistence, has the ability to magnify bioaccumulation and bio-magnification problems. (biomedcentral.com)
Bioaccumulation of POPs is typically associated with the compounds high lipid solubility and ability to accumulate in the fatty tissues of living organisms for long periods of time. (wikipedia.org)

Recent studies suggest that 'endocrine disruption is caused due to the compounds in most common flame retardants today. (polymer-compounders.com)
The Environmental Health Investigations Branch of the California Department of Public Health states that endocrine disruptors are found widely in contaminated water, air, food and household products, like plastics," said Michael Chapman, Laboratory Manager at LA Testing's Huntington Beach facility. (latesting.com)

Substances Control Act (TSCA 1976), is now ·Safetygap:Governmentlacksthelegaltools aspects to manufacturers in the European over 30 years old and is widely recognized as it needs to efficiently identify, prioritize, Union and foreign importers, it is forc- having failed to meet the intent of Congress. (cdc.gov)

The latter two are manufactured compounds used as flame retardants in plastics used in a variety of domestic objects including computers, TVs, furniture (hard and soft), stereos etc (but note RoHS applies only to EEE). (envocare.co.uk)
Unlike other typical flame-retarant tubings,This high-reliability product is widely used for insulation or jacketing of wire harness, strain relief of wire terminations and connections, bundling of wire harness, protection of soldered points, insulation and capsule of electronic components, anti-corrosive protection, identification and color coding, etc. (china.cn)

The adsorption of these compounds on the surface of carbon steel followed Langmuir isotherm. (nature.com)
Carbon steel is one of the most widely used construction materials in various industries, such as oil and gas transportation, chemical, and petrochemical. (nature.com)

In labs, biphenyl is mainly used as a heat transfer agent as a eutectic mixture with diphenyl ether. (vedantu.com)

Mixed matrix membranes (MMMs) synthesized by polymers and inorganic particles have been widely used in gas separation. (confex.com)
In addition, fire effluents contain soot particles (particulate matter [PM]) that can penetrate deep into the lungs while carrying other, less mobile compounds. (springer.com)

The higher corrosion inhibition of compound HM-1228 can be attributed to the presence of di- N -ethyl groups that enhance both electron donating ability and lipophilic properties. (nature.com)
However, the use of organic compounds as corrosion inhibitors is one of the most challenging tasks because most organic compounds are neither cheap nor effective in most cases. (nature.com)
and chromium VI is widely used to prevent corrosion in iron-based alloys. (envocare.co.uk)

Biphenyl is characterized through chromatographic analysis of an extract that is prepared by using an organic solvent. (vedantu.com)
A chlorinated epoxy compound used as an industrial solvent. (lookformedical.com)
A chloroalkane with two isomers (1,1,1- TCA and 1,1,2 - TCA) used widely as a solvent, especially in the electronics industry. (fmc.com)

Chlorine and sodium hypochlorite are widely used for disinfection and bleaching, among other things to disinfect drinking water. (greenfacts.org)
They are mainly used for the removal of chlorine and organic compounds in water. (aladyr.net)

This compound is considered an environmental toxin, and may pose reproductive, as well as, other health risks for animals and humans. (lookformedical.com)

These products were widely used as dielectric fluid in capacitors and transformers, and to a lesser extent in building materials (eg, caulking, paints, and lighting ballasts). (cdc.gov)
PVC is widely used in a variety of building products from sheathing on wiring to pipes to window frames to flooring. (metalconstructionnews.com)

The acute toxicity of these compounds is generally low and may not pose a direct health hazard during exposure [ 2 ]. (springer.com)

Historically, PCB Aroclor analysis is the most commonly and widely used methodology for the testing of PCB. (pacelabs.com)

Remote sensing and Geographic Information System (GIS) have been widely used in environmental assessment studies. (biomedcentral.com)

These compounds are found all around us. (ehso.com)

POPs typically are halogenated organic compounds (see lists below) and as such exhibit high lipid solubility . (wikipedia.org)
It has a little restraint that compound is volatility and thermal safety, but it is widely used for its high resolution and its prompt and simple operation. (unist.ac.kr)
Optical brightening compounds were in high demand in the detergent sector. (procurementresource.com)

1. How is Biphenyl Used in Food and Nutritional Analysis? (vedantu.com)
Researchers also detected the compounds in emerald shiners, a small fish that is the terns' primary food source in the area. (buffalo.edu)

Anatomy4

Organisms15

Diseases2

Chemicals and Drugs78

Analytical, Diagnostic and Therapeutic Techniques and Equipment11

Phenomena and Processes22

Disciplines and Occupations3

Technology, Industry, Agriculture2

Information Science1

Health Care10

Geographicals4

Polybrominated diphen3

PCBs26

Pesticides3

Including polychlorinated1

Dioxins2

Volatile Organic C7

Atoms4

Toxic6

Congeners1

Chemicals7

Chemical compounds3

Consisting of biphe1

Persistent2

Methyl1

Halogen2

Dielectric and coolant fluids1

Organic compound2

Degradation2

Aromatic2

Carcinogenicity1

Benzene3

Toxins1

Tend to accumulate1

Fluids1

Concentrations1

Soluble2

Bioaccumulation2

Endocrine2

Substances1

Flame2

Carbon2

Mixture1

Particles2

Corrosion3

Solvent3

Water2

Humans1

Products2

Exposure1

Methodology1

Environmental1

Found1

High3

Food2