• Blood samples were collected from 28 residents of the community andwere analyzed for chlorinated dibenzodioxins (CDDs), chlorinated dibenzofurans (CDFs), andco-planar polychlorinated biphenyls (PCBs). (cdc.gov)
  • In addition,certain co-planar polychlorinated biphenyls (PCBs) have TCDD-like toxicity. (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)
  • 1 , 4 , 5 , 6 , 7 Contaminants such as asbestos, hydrochloric acid, PCBs (Polychlorinated biphenyls), silica and heavy metals were found in the dust and ash resulting from the WTC collapse. (cdc.gov)
  • This information applies to Polychlorinated Biphenyls (PCBs) Demolition, Repairs, and Renovation of Buildings with the potential of PCBs. (umass.edu)
  • Yes, if you have any of the following: PCBs in Building Materials- Buildings built or renovated between 1949 and 1979 may contain PCBs in caulking, glazing compounds, adhesives and other materials. (umass.edu)
  • PCBs, or polychlorinated biphenyls, are toxic and carcinogenic chlorine compounds. (elektro-ade.at)
  • We have previously reported that chemicals belonging to the persistent organic pollutants (POPs) such as perfluorinated compounds (PFAS) and polychlorinated biphenyls (PCBs) are risk factors in Breast Cancer (BC) development in Greenlandic Inuit women. (biomedcentral.com)
  • 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)
  • The waste often including the inorganic material such as paper, plastic, glass pieces, scraps of iron or leftover food, animal bones, vegetable peels etc. are dumped in the open. (youthforcleanair.com)
  • IARC Monograph 87 in 2006 classified inorganic lead compounds are probably carcinogenic to humans based on sufficient evidence in animals and limited evidence in humans. (who.int)
  • In order to determine if other residents of Mossville have been exposed to dioxins, ATSDR conducted blood tests for dioxin-like compounds in residents of the community. (cdc.gov)
  • The adsorption of these compounds on the surface of carbon steel followed Langmuir isotherm. (nature.com)
  • Allene is an organic compound that consists of three carbon atoms joined on a linear chain by two double bonds. (metoree.com)
  • The ultra-high temperature composite was fabricated based on the polyimide composite containing biphenyl structure as the matrix resin and carbon fiber AS4. (nottingham.edu.cn)
  • however, samarium compounds can withstand significantly higher temperatures, above 700 °C (1,292 °F), without losing their permanent magnetic properties. (wikipedia.org)
  • Naturally-Occurring-Radioactive-Materials (NORM) for example uranium, thorium and samarium compounds must be disposed of through the radioactive waste program. (northwestern.edu)
  • Getters contain barium compounds that are hazardous to human health. (elektro-ade.at)
  • Four derivatives based on the same skeleton were synthesized with four different substituents: phenyl (BpyBTAZ-Ph), biphenyl (-BP), m-terphenyl (-mTP), and o-terphenyl (-oTP). (nii.ac.jp)
  • 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)
  • The earth alkali metal barium and its water-soluble compounds are toxic. (elektro-ade.at)
  • We discovered that mixtures of anil nematic liquid crystal compounds resulted in materials that had a wide nematic range, making possible practical electronic display devices. (acs.org)
  • We demonstrated digital clocks, multimeters, and other color displays that used mixtures of liquid crystal compounds operating over a wide temperature range. (acs.org)
  • Professor George Gray and his students at the University of Hull in England later developed materials using mixtures of biphenyl liquid crystal compounds, which became the industry standard. (acs.org)
  • In this report,"dioxin" or "dioxin like compounds" will be used as generic terms to refer to chemicals with TCDD-like toxicity. (cdc.gov)
  • In general, the term OLEDs is understood to mean electronic devices which have one or more layers comprising organic compounds and emit light on application of electrical voltage. (justia.com)
  • The structure of OLEDs in which organic compounds are used as functional materials is described, for example, in U.S. Pat. (justia.com)
  • Known examples of triarylamine compounds as materials having hole-transporting properties for OLEDs include tris-p-biphenylamine, N,N′-di-1-naphthyl-N,N′-diphenyl-1,1′-biphenyl-4,4′-diamine (NPB) and 4,4′,4″-tris(3-methylphenylphenylamino)triphenylamine (MTDATA). (justia.com)
  • Additionally known in the prior art is the use of phenanthrenyl-arylamino compounds in OLEDs, including as hole transport materials (WO 2013/182263 and C. Schmitz et al. (justia.com)
  • These characteristics accounted for a reduction in the operational voltage of OLEDs with BpyBTAZ compounds compared with the reference device with Alq as an ETM. (nii.ac.jp)
  • Ferrous and ferric compounds were detected in the area by imaging spectroscopy. (cdc.gov)
  • Little information exists on the water solubilization of petroleum residues stemming from chemically herded ISB and whether these bioavailable compounds have measurable impacts on marine biota. (bvsalud.org)
  • An organic compound formerly used in fire extinguishers, as a precursor to refrigerants, and as a cleaning agent. (fmc.com)
  • The compounds found have one or more properties selected from very good hole-conducting properties, very good electron-blocking properties, high glass transition temperature, high oxidation stability, good solubility, low crystallinity and high thermal stability. (justia.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)
  • Some examples for exclusions applied to lead are: high melting point solders used in chip manufacture, networks and servers, in piezoelectronic devices and in glass of cathode ray tubes and in electronic components and fluorescent tubes where its presence gives strength. (envocare.co.uk)
  • More particularly, there is a need for compounds which lead to an improvement in the performance data of the electronic device, especially to an improvement of lifetime, efficiency and operating voltage. (justia.com)
  • Lead oxide is also used in the manufacture of crystal glass. (greenspec.co.uk)
  • In addition, lead smelters, glass manufacturers, construction workers (including roofers and plumbers), battery manufacturers and recyclers (the largest single group under medical surveillance) are all at risk. (greenspec.co.uk)
  • 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)
  • 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)
  • To my knowledge, it was the first time that synthetic organic compounds were used as the active elements in electronic devices. (acs.org)
  • Some organic compounds are resistant to environmental degradation and can accumulate in organisms, causing harmful effects. (frontiersin.org)
  • In some instances, other materials such as plastic and glass are also taken out for repurposing. (kitchenandresidentialdesign.com)
  • Barium, yttrium, and europium compounds as luminescent materials in plasma screens. (elektro-ade.at)
  • However, perfluorinated materials are not without hurdles, since their production involves the use of regulated compounds and potentially dangerous chemical feedstock, which contributes to their comparatively expensive cost. (aibatelaboratory.com)
  • The materials included Sulfonated phenylated poly(phenylene) biphenyl (sPPB-H+) (IEC = 3.23 ± 0.04 meq g−1) which was synthesized. (aibatelaboratory.com)
  • This technique of mixing nematic compounds to obtain a wide operating temperature range eventually became the industry standard and is used to this very day to tailor materials to meet specific applications. (acs.org)
  • Depending on the fire's specific conditions, many diverse chemical compounds are produced in varying amounts. (springer.com)
  • Analyses of the initial settled dusts revealed cement, glass and particulate matter including gypsum (calcium sulfate), calcium carbonate (calcite), cement dust, and glass fibers. (cdc.gov)
  • The acute toxicity of these compounds is generally low and may not pose a direct health hazard during exposure [ 2 ]. (springer.com)
  • All of these compounds can pose serious risks to our health and the environment. (therecycleguide.org)
  • These BpyBTAZ compounds have good thermal stabilities, and their decomposition temperatures were greater than 410 degrees C, which is significantly higher than that of tris(8-quinolinolato) aluminium (Alq), the conventional OLED material. (nii.ac.jp)
  • BpyBTAZ compounds show preferable amorphous nature, and moreover, the glass transition temperatures (T(g)s) of both BpyBTAZ-TP compounds exceed 100 degrees C. Furthermore, BpyBTAZ-BP exhibits no melting point and is fully amorphous. (nii.ac.jp)
  • RoHS directives are designed to reduce the level of certain compounds found in some electrical and electronic products. (timbercon.com)
  • The barrier was prepared by dispersing 10 g of sPPB-H+ in 133 g of DMSO in a round distillation flask with stirring at 80 °C. At room temperature, a glass fiber filter into a round bottom flask was poured. (aibatelaboratory.com)
  • The composition of the dissolved compounds produced from both treatment types are nearly identical after 240 h of exposure to simulated sunlight. (bvsalud.org)
  • Specifically, the electron mobility of all the BpyBTAZ compounds exceeds 1 x 10(-4) cm(2) V(-1) s(-1) at an electric field of 1 MV cm(-1). (nii.ac.jp)
  • No epidemiologic studies to date have specifically evaluated indium compounds. (who.int)
  • Said compounds can be used in electronic devices, in particular OLED's. (justia.com)
  • The compound is preferably used in an electronic device, more preferably in an organic electroluminescent device (OLED). (justia.com)
  • Even though the compounds disclosed in the documents cited above are of good suitability for use in electronic devices, there is still a need for novel compounds for this use. (justia.com)