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12 resultados carregados para "chemical"
Understanding nature's 'dimmer switch': Study sheds new light on how algae regulate photosynthesis with pH
Understanding nature's 'dimmer switch': Study sheds new light on how algae regulate photosynthesis with pH
A new joint study from Constructor University and Princeton University in the Journal of the American Chemical Society focuses on PC645, a protein complex that contributes to cryptophyte algae's ability to photosynthesize efficiently using specialized light-harvesting pigments th
A new ADHD drug targets three brain chemicals instead of two. Here's what that means
A new ADHD drug targets three brain chemicals instead of two. Here's what that means
A new medicine for attention-deficit/hyperactivity disorder (ADHD) has just entered the treatment toolbox: centanafadine, a once-daily tablet sold under the brand name Simtriyo.
Vanillin flavoring in e-cigarettes disrupt human embryonic stem cell development, lab study finds
Vanillin flavoring in e-cigarettes disrupt human embryonic stem cell development, lab study finds
Vanillin, a common flavoring chemical in e-cigarettes, may disrupt the normal development of embryos in pregnant women who vape, according to a study published in Human Reproduction.
Does the clean energy transition need forever chemicals?
Does the clean energy transition need forever chemicals?
As nations globally move to ban forever chemicals, should renewable energy technologies be exempt for the sake of saving the climate?.
EU curbs on 'forever chemicals' in food packaging kick in
EU curbs on 'forever chemicals' in food packaging kick in
New EU restrictions on toxic substances known as "forever chemicals" in food packaging kicked in Wednesday, along with broader rules aimed at cutting packaging waste in the bloc.
FDA wants more information from food makers on new food chemicals
FDA wants more information from food makers on new food chemicals
For decades, food manufacturers have been able to decide which food chemicals were safe enough to add to their products based on general government guidelines.
Novel polymer membrane design improves high-purity hydrogen separation
Novel polymer membrane design improves high-purity hydrogen separation
In Nature Communications a research team led by Professor Tae-Hyun Bae of the KAIST Department of Chemical and Biomolecular Engineering introduced hydrogen-selective transport pathways at the angstrom scale inside polymer membranes and clarified their separation performance throu
EU waste packaging rules: Why small businesses are worried
EU waste packaging rules: Why small businesses are worried
The EU has introduced new rules targeting packaging waste and "forever chemicals." Although the changes will be phased in slowly, some small sellers have already paused shipments due to the additional red tape.
EU packaging rules: Why small firms are sounding the alarm
EU packaging rules: Why small firms are sounding the alarm
The EU has introduced new rules targeting packaging waste and "forever chemicals." Although the changes will be phased in slowly, some small sellers have already paused shipments due to the additional red tape.
Testing finds 85% of everyday personal care products contain unlabeled chemicals with suspected health hazards
Testing finds 85% of everyday personal care products contain unlabeled chemicals with suspected health hazards
A new study of sunscreens, baby lotions, shampoos, soaps and other everyday products found that nearly all contained chemicals not disclosed on their labels. Destaque: 85%.
Many US public parks sit surprisingly close to hazardous waste sites and facilities that release toxic chemicals
Many US public parks sit surprisingly close to hazardous waste sites and facilities that release toxic chemicals
While parks, playgrounds and hiking trails are generally thought of as "healthy" spaces, researchers from the University of Michigan have found that many of them overlap with old toxic waste sites or sit dangerously close to facilities that actively release hazardous chemicals.
Endocrine-disrupting chemical exposure may be linked to high blood pressure during pregnan
Endocrine-disrupting chemical exposure may be linked to high blood pressure during pregnan
Phthalates, which are chemicals found in plastics, personal care products and hundreds of other consumer goods, may contribute to high blood pressure in pregnant women, according to a study published in the Journal of the Endocrine Society.