Latest in Chemicals and Toxics

1d ago

348 words

Influence of UV Lamp Configuration on the Degradation, Transformation Products, and Toxicity of Emerging Contaminants in Rainwater During Photolysis and TiO2 Photocatalysis

This study compared the degradation of twelve emerging organic contaminants in rainwater by direct photolysis and TiO2-assisted heterogeneous photocatalysis using two UV lamp configurations with different emission spectra and wavelength-specific radiant fluxes ranging from 297 to 578 nm. Differences in micropollutant degradation…

11h ago

22 words

Membranes evolve from passive barriers into multifunctional selective reactors

A new review argues that modern membranes act as multifunctional reactors where selective transport, chemical reactions and electronic conduction are increasingly coupled.

2d agopcgamer.com

212 words

Researchers develop Graphene Oxide membrane that could be used to create 'forever chemical'-busting water filter. Yes, another funky use for the wonder material

See what you’ve unlocked. "This breakthrough in PFAS filtration has the potential to revolutionise how PFAS contamination is managed globally." Over the course of our lifetimes we consume a lot of stuff that really isn't fond of the human body.

1d ago

392 words

Laboratory Study Converts Fluoroform into Trifluoromethyl Radicals with Light

A laboratory study by Hokkaido University researchers used light, a ketone catalyst and a base to convert fluoroform into CF₃ radicals for adding trifluoromethyl groups to diverse molecules.

1d ago

328 words

Metallic nanoparticles and magnetic pellets optimize purslane in green walls

Researchers assessed the morphophysiological, biochemical and antioxidant responses of purslane grown in an outdoor green wall. The nanoparticle treatments were designated N1 for silver, N2 for titanium dioxide and N3 for the combined application. Magnetic-pellet treatments comprised Level 1, designated M1, and Level 2, designated M2, while…

1d ago

284 words

Review finds ZIF-67 supports synergistic flame-retardant polymer strategies

A review finds that porous ZIF-67 can improve flame-retardant dispersion, promote protective char formation and support multifunctional polymer nanocomposites. A review of flame-retardant polymer nanocomposites identifies porous ZIF-67 metal-organic framework material as a versatile platform for combining phosphorus-, clay- and…

2d agousgs.gov

81 words

Reactive transport modeling of geochemical controls on secondary water quality impacts at a crude oil spill site near Bemidji, MN

Anaerobic biodegradation of organic amendments and contaminants in aquifers can trigger secondary water quality impacts that impair groundwater resources. Reactive transport models help elucidate how diverse geochemical reactions control the spatiotemporal evolution of these impacts. Using extensive monitoring data from…

5d ago

250 words

Potassium nanoparticles mitigate measured nanoplastic stress in tomato plants

A controlled tomato experiment found that foliar potassium nanoparticles improved selected growth and glucose measurements and reduced oxidative-stress markers under experimentally imposed nanoplastic stress. Foliar application of potassium nanoparticles reduced several measured effects of nanoplastic stress in a controlled experiment…

1w ago

490 words

Kinetics and Mechanism of Sulfamethazine Degradation in Aqueous Solution by Electron Beam Irradiation: Influence of Hydrogen Peroxide Addition

Sulfamethazine (SMZ), a widely used sulfonamide antibiotic, frequently occurs in aquatic environments and resists removal by conventional treatment methods. This study investigates the degradation kinetics, mechanistic pathways, and mineralization behavior of SMZ in aqueous solution under electron beam irradiation, with…

6d agoazom.com

500 words

Light-Activated Carbon Nanotube Hybrid Speeds BPA Breakdown in Water

A spiropyran-coated carbon nanotube catalyst uses light to attack a persistent water contaminant and raises questions about how well the approach could perform beyond controlled laboratory tests. The treatment also produced a modest reduction in cytotoxicity in MCF-7 cell assays,…

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