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Science News for July 6, 2024


First study to measure toxic metals in tampons shows arsenic and lead, among other contaminants

A study by Columbia University's Mailman School of Public Health found that tampons from several brands can contain toxic metals like lead, arsenic, and cadmium. The research evaluated levels of 16 metals in 30 tampons from 14 different brands, revealing that metals were present in all types of tampons, regardless of organic or non-org...

SourceColumbia University's Mailman School of Public Health·JournalEnvironment International·DateJul 6, 2024

Phage‐displayed heptapeptide sequence conjugation significantly improves the specific targeting ability of antimicrobial peptides against Staphylococcus aureus

Researchers developed a phage-displayed heptapeptide sequence that significantly improves the specific targeting ability of antimicrobial peptides against Staphylococcus aureus. The designed peptide showed higher specific antimicrobial activity against S. aureus compared to Temporin-SHf.

SourceTsinghua University Press·JournalmLife·DateJul 6, 2024