23+ hour, 18+ min ago   (672+ words) Synthetic dyes are among the most stubborn pollutants humanity releases into rivers and groundwater, and azo dyes—the largest class, defined by their characteristic nitrogen–nitrogen double bond—account for an estimated 60 to 70 percent of global colorant production....

1+ day, 10+ hour ago   (684+ words) Crystal violet has been dyeing fabrics, ink cartridges, and biological specimens for more than a century, but its dark purple color conceals a darker truth. The cationic triphenylmethane compound is mutagenic, carcinogenic, and cytotoxic, and because of its chemical stability…...

4+ day, 22+ hour ago   (145+ words) Commercial pigment labels may tell only part of the material's story, as detailed chemical, thermal, and microscopic analyses reveal what happens when familiar blue pigments meet commonly used conservation binders. Modern commercial blue pigments used in conservation may differ chemically…...

4+ day, 22+ hour ago   (796+ words) The authors of the study Konstantin Günther, Nuno Maulide, and Gwyndaf Oliver (f.l.t.r.) Connect these carbon triangles to an amine, a functional group with a nitrogen at its center, and you get aminocyclopropanes. They are of particular interest…...

1+ week, 4+ day ago   (749+ words) The Clinical Trial Vanguard The EMA Just Opened a Door That Animal Testing Has Kept Closed for Decades Picture a toxicologist at a mid-size European biotech, staring at a dataset from a human Liver-Chip that correctly flagged drug-induced liver injury…...

3+ week, 6+ day ago   (209+ words) Getty: Sigrid Gombert / Getty Images Bioinformatics can inform liabilities before even picking up a pipette. Cell line stability, clone selection and high-throughput upstream optimization reduce host cell protein (HCP) accumulation by preventing upregulation of lipases and proteases that cause oxidation…...