230414-تقني.pdf

- Contact allergy to shellac, a known allergen in cosmetics, was assessed in a Spanish study, finding 3.77% of 980 patients patch-tested showed positive results.
- A dynamic inventory database was proposed to evaluate chronic internal exposure to chemicals, enabling modeling exercises specific to a chemical, route of exposure, age group, and gender.
- Mixed chlorine/chloramines conversion in drinking water distribution systems was investigated, detecting various chlorine/chloramine species and their impact on water quality.
- The impact of hydraulic fracturing wastewater on drinking water was quantified, finding 69 disinfection by-products and calculated toxicity.
- Molecular insights into leather wastewater treatment were provided, characterizing dissolved organic matter.
- Connections between air pollution, climate change, and cardiovascular health were explored.
- Lead exposure was found to disturb copper export from brain barrier cells.
- Organophosphate flame retardants were found to affect human amniotic sac embryoids.
- Bitumen fumes and PAHs in asphalt road paving were studied, examining emission characteristics and environmental impact.
- Antimicrobial nanocoatings in medicine and dentistry were reviewed, discussing mechanisms of action, biocompatibility, and benefits compared to antibiotics.