Tagged Chemistry

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Tampon test finds pollution in rivers and streams

By Shemina Davis-Sheffield Engineers have started using tampons to identify where wastewater from baths, washing machines, sinks, and showers is polluting rivers and streams. The natural, untreated cotton in tampons readily absorbs chemicals commonly used in toilet paper, laundry detergents, and shampoos. These chemicals—known as optical brighteners—are used to enhance whites and brighten colors, Read…

Scientists gain cellular-level insights into drug delivery processes

Chemists, biologists and pharmacologists deal with the question of how complex active substances can be introduced into cells such that they are rapidly and easily available. Building on earlier research, interdisciplinary teams of scientists has made some important advancements. Read Full Article Here For more great articles: Phys.org – latest science and technology news stories

Researchers clarify how DNA damage signaling works

The DNA molecule is chemically unstable, giving rise to DNA lesions of various kinds. That is why DNA damage detection, signaling and repair, collectively known as the DNA damage response, are needed. The DNA damage response is immensely important, for example, for ensuring the highest possible quality of DNA before Read Full Article Here For…

Glow in the dark tampons identify sewage pollution in rivers

The natural, untreated cotton in tampons readily absorbs chemicals commonly used in toilet paper, laundry detergents and shampoos. These chemicals – known as optical brighteners -are used to enhance whites and brighten colours, and show up under ultra-violet (UV) light, a phenomenon often seen in glowing t-shirts under certain lighting Read Full Article Here For…

Mutagenicity of drinking water sampled from the Yangtze River and Hanshui River (Wuhan section) and correlations with water quality parameters

By Xuemin Lv A total of 54 water samples were collected during three different hydrologic periods (level period, wet period, and dry period) from Plant A and Plant B (a source for Yangtze River and Hanshui River water, respectively), and several water parameters, such as chemical oxygen demand (COD), turbidity, and total organic Read Full…

Metabolic Profiling-based Data-mining for an Effective Chemical Combination to Induce Apoptosis of Cancer Cells

By Motofumi Kumazoe Green tea extract (GTE) induces apoptosis of cancer cells without adversely affecting normal cells. Several clinical trials reported that GTE was well tolerated and had potential anti-cancer efficacy. Epigallocatechin-3-O-gallate (EGCG) is the primary compound responsible for the anti-cancer effect of GTE; however, the effect of EGCG alone is limited. Read Full Article…

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Bread Is A Foam. Yes, Really.

By Ria Misra The phrase “edible foam” either conjures up images of overwrought and overplated kitchen chemistry experiments or the top layer of a freshly poured beer. But it also describes the most standard of foods: bread. Because bread is also a foam. … Read Full Article Here For more great articles: io9

Drug paper gets a fix, notching several corrections

By Cat Ferguson The Journal of Materials Chemistry B has issued a laundry list of corrections for a 2014 chemotherapy paper, which address re-use of “some text”, incorrectly stated doses, and miscalculations of the drug concentration, among other issues. The paper described a new way to deliver gemcitabine via nanoparticles, focusing the drug Read Full…

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