Αποτελέσματα Αναζήτησης
20 Οκτ 2014 · Several types of plastic pipes in eco-friendly green buildings in the United States have been found to leach chemicals into drinking water that can cause odors and sometimes exist at levels that may exceed health standards.
1 Οκτ 2023 · The study objectives were to (1) characterize drinking water total organic carbon (TOC) concentration changes caused by PEX and cell growth; (2) identify compounds leached using two extraction approaches; and (3) directly measure acute and developmental toxicity effects of the PEX contact waters.
16 Αυγ 2022 · Plastic pipes damaged in wildfires could release toxic chemicals into drinking water, the NRDC document suggests, citing an October 2021 EPA fact sheet.
25 Νοε 2019 · Similarly, the team found alterations in gene expression and protein production in exposed cells, some of which are associated with changes in cancer, inflammation and injuries or with abnormal...
5 Φεβ 2024 · Operation conditions accelerated MPs generation and dissolved ECs leaching. Physiological toxicity of chemical leachates was associated with disinfection byproducts. MPs and ECs exposure changed microbiome stability and promoted dominance of pathogenic bacteria.
9 Νοε 2011 · Previous international studies have shown that plastic pipes can release substances that give an unwanted taste and odour to drinking water. It has also been suggested that some of these...
For example, the compound L-β-(5-hydroxy-2-pyridyl) alanine can cause permanent reversion of human cancer cell lines with K-ras mutations, including those that contain the VC-induced Asp 13 mutation, to a normal cellular phenotype that will no longer grow in soft agar and will no longer produce tumors in nude mice.[4,78] Once again, such an ...
