نتایج جستجو برای: bisphenol a bpa
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Bisphenol A (BPA) is a monomer commonly used in the production of epoxy resins, plastic bottles and dental filling materials. Due to its chemical structure, BPA derivates show activity similar endocrine hormones. It can bind estrogen receptors cause neurological disturbances, even at low doses. Therefore, it important determine derivatives quickly sensitively concentrations. In this study, sing...
Bisphenol A is a very high volume chemical with estrogenic activity that is used in a wide range of products, including medical equipment such as hemodialyzers. Virtually all people have measurable amounts of BPA, since this chemical readily leaches out of products that contain it. BPA is associated with a wide range of diseases because it alters programming of the expression of genes that are ...
Bisphenol A (BPA) is a chemical agent used in the production of epoxy resins and polycarbonate plastic products, including water bottles, and as a coating for dental sealants, food/beverage containers, and canned food linings. Exposure to BPA has been linked to such negative health effects as obesity and heart disease. Concerns for the effects of BPA are greatest on infants and young children d...
Objective(s): Recognized as a distinguished environmental and global toxicant, Bisphenol A (BPA) affects the liver, which is a vital body organ, by the induction of oxidative stress. The present study was designed to investigate the protective effect of quercetin against BPA in hepatotoxicity in Wistar rats and also, the activity of mitochondrial enzymes were evaluated...
Bisphenol A (BPA) is used in the production of plastic but has oestrogenic activity. Therefore, BPA substitutes, such as fluorene-9-bisphenol (BHPF), have been introduced for the production of so-called 'BPA-free' plastics. Here we show that BHPF is released from commercial 'BPA-free' plastic bottles into drinking water and has anti-oestrogenic effects in mice. We demonstrate that BHPF has anti...
Bisphenol A (BPA) is a chemical used extensively to manufacture commonly used plastics and epoxy resin liners for food and beverage cans. BPA, with properties similar to diethylstilbestrol, has been shown to exert endocrine-disrupting effects and result in behavioral changes, altered growth, and early secondary sexual maturation. In 2008, legislation was introduced at the state and federal leve...
Epoxy resins find widespread use as adhesives and coatings in the construction and food industries. The majority of the products are based on resins that use bisphenol A diglycidyl ether (BADGE) as a precursor. This raises the question if BADGE could be a potential source of bisphenol A (BPA). The recent paper by Perez et al. (1) on the estrogenicity of BPA and some of its analogs and derivativ...
INTRODUCTION Treatment with fixed orthodontic appliances requires the application of adhesive systems to enable secure fastening of brackets and retainers to the surface of tooth enamel. The orthodontic bonding systems are similar in terms of chemical composition to dental filling materials, the chemical stability of which is not satisfactory. Particularly alarming is the release of bisphenol A...
Bisphenol A (BPA) is an estrogen-mimicking chemical that can be selectively detected in water using a chemical sensor based on molecularly imprinted polymers (MIPs). However, the utility of BPA-MIPs in sensor applications is limited by the presence of non-specific binding sites. This study explored a dual approach to eliminating these sites: optimizing the molar ratio of the template (bisphenol...
A 15 Landrigan PJ, Goldman LR. 2011. Children's vulnerability to toxic chemicals: a challenge and opportunity to strengthen health and environmental policy. Hunt PA, et al. 2011. Similarity of bisphenol A pharmaco-kinetics in rhesus monkeys and mice: relevance for human exposure. Environ Health Perspect 119:422–430. vom Saal FS, Hughes C. 2005. An extensive new literature concerning low-dose ef...
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