Results 21 to 30 of about 1,848 (133)

Variations in thyroid hormone levels in endangered St. Lawrence Estuary belugas: Potential linkage with stress and organohalogen contaminant exposure

Environment International
The St. Lawrence Estuary (SLE) beluga (Delphinapterus leucas) population is highly exposed to an array of contaminants that were identified as one of the causes to the non-recovery of this endangered and declining population.
Valérie Jolicoeur, Magali Houde, Lisa Loseto, Robert Michaud, Jonathan Verreault   +4 more
doaj   +1 more source

Photocatalytic and Biotechnological Strategies for Remediation of Persistent Organic Pollutants: Mechanisms, Toxicity, and Antimicrobial Perspectives

Environmental Toxicology, EarlyView.
ABSTRACT Persistent organic pollutants (POPs) pose significant ecological and human health risks due to their persistence, bioaccumulation, toxicity, and global distribution. Conventional remediation methods are often inadequate for achieving complete mineralization, demonstrating the need for advanced and substantial approaches.
Viola O. Okechukwu, Patrick B. Njobeh, Jonathan O. Okonkwo   +2 more
wiley   +1 more source

Mechanochemistry as an Emerging Tool for Organofluorine Chemistry

Chemistry–Methods, Volume 6, Issue 8, August 2026.
Fluorinated scaffolds are central across many areas of chemistry, driving the demand for efficient and sustainable synthetic methods. Mechanochemistry has emerged as a powerful alternative to conventional approaches, offering reduced environmental impact, shorter reaction times, and unique reactivity and selectivity.
Marie Caldiero, Nicolas Delcroix, Vitalii Solomin, Thomas Castanheiro   +3 more
wiley   +1 more source

Enduring autism‐like phenotypes and deregulated hypothalamic prosocial peptides after early‐life exposure to indoor flame retardants in male C57BL/6 mice

Journal of Neuroendocrinology, Volume 38, Issue 8, August 2026.
Abstract Polybrominated diphenyl ethers (PBDEs) are neuroendocrine‐disrupting chemicals that produce adverse neurodevelopmental effects. PBDEs have been implicated as risk factors for autism spectrum disorder (ASD), which is characterized by abnormal psychosocial functioning and is commonly comorbid with cognitive deficits and sensory abnormalities ...
Elena V. Kozlova, Gwendolyn M. Gonzalez, Maximillian E. Denys, Anthony E. Bishay, Roberto Gutierrez, Jack Reid, Julia M. Krum, Gregory Lampel, Naran Luvsanravdan, Kayhon M. Rabbani, Jordan Tu, Luis Campoy, Laura M. Anchondo, Crystal N. Luna, Duraan S. Olomi, Eduardo Monarrez, Valeria Carrillo, Jasmin D. Tran, Damon Platt, Yash Korde, Bhuvaneswari D. Chinthirla, Maher Blaibel, Simon Kim, Gladys Chompre, Allison L. Phillips, Heather M. Stapleton, Bernhard Henkelmann, Karl‐Werner Schramm, Margarita C. Curras‐Collazo   +28 more
wiley   +1 more source

Monosubstituted N‐Arylhydroxylamine Chemistry: Integrating Contemporary Synthetic Approaches for the Efficient Construction of Diverse Heterocyclic Scaffolds

Chemistry – A European Journal, Volume 32, Issue 26, 11 July 2026.
Monosubstituted N‐arylhydroxylamines represent a unique subclass of hydroxylamines that act as pivotal intermediates in redox transformations and as versatile platforms for further synthetic transformations. They serve as key building blocks in the synthesis of architecturally complex heterocycles and other valuable organic compounds.
Michael G. Kallitsakis, Kyriakos D. Nikopoulos, Ioannis N. Lykakis   +2 more
wiley   +1 more source

Update of the risk assessment on emerging and novel brominated flame retardants in food

EFSA Journal, Volume 24, Issue 7, July 2026.
Abstract The European Commission asked EFSA to update its 2012 risk assessment on Emerging and Novel brominated flame retardants (BFRs) in food. Since the previous Opinion, further information was collected for a total of 27 BFRs. The CONTAM Panel concluded that TDBPP, DBPNG and TBNPA are considered genotoxic and carcinogenic.
EFSA Panel on Contaminants in the Food Chain (CONTAM), Helle Katrine Knutsen, Agneta Åkesson, Vasileios Bampidis, Margherita Bignami, Laurent Bodin, James Kevin Chipman, Gisela Degen, Antonio Hernández‐Jerez, Tim Hofer, Christer Hogstrand, Stefano Landi, Jean‐Charles Leblanc, Kyriaki Machera, Evangelia Ntzani, Isabelle P. Oswald, Guido Rychen, Salomon Sand, Katharina Vejdovszky, Barbara Viviani, Emilio Benfenati, Diane Benford, Andy Hart, Martin Rose, Henri Schroeder, Christiane Vleminckx, Martine Vrijheid, Edoardo Carnesecchi, Violetta Costanzo, Andrea Gissi, Eirini Kouloura, Luisa Ramos Bordajandi, Francesca Riolo, Christer Hogstrand   +33 more
wiley   +1 more source

(Poly)Borylated Species as Modern Reactive Groups toward Unusual Synthetic Applications

Angewandte Chemie, Volume 138, Issue 10, 2 March 2026.
In this review, we spotlight recent breakthroughs in α‐polyboron‐substituted carbon‐centered intermediates (carbanion, carbocation, radical, and carbene) and polyborylated alkenes. By bridging fundamental reactivity with the application potential of these extraordinary species, we hope this review will serve as a roadmap for harnessing these unique ...
Nadim Eghbarieh, Nicole Hanania, Pinaki Nad, Tipu Alam, Tamir Kish, Ahmad Masarwa   +5 more
wiley   +2 more sources

Molecular Design and Interfacial Functions of Self‐Assembled Monolayers for Perovskite and Tandem Solar Cells

Advanced Energy Materials, Volume 16, Issue 23, 17 June 2026.
We identify two decisive levers for SAM interfaces: molecular design (carboxylic acid‐based, phosphonic acid, other anchoring chemistries, and polymeric SAMs) and mixing routes (co‐assembly, in situ assembly, pre‐ and post‐treatment). Coordinated tuning of headgroups and assembly pathways optimises energy alignment and film formation, suppresses ...
Jiaxu Zhang, Bochun Kang, Feng Yan
wiley   +1 more source

Sex-specific association of prenatal exposure to halogenated persistent organic pollutants (Hal-POPs) with neonatal sex hormone levels and birth size: a birth cohort study using meconium as a biomonitoring matrix

Environment International
Halogenated persistent organic pollutants (Hal-POPs) are endocrine disruptors that posing risks to fetal development via transplacental transfer. This study utilized neonatal meconium, a non-invasive matrix reflecting cumulative exposure during the ...
Feng-Shan Cai, Xiao Yan, Xi Zhuang, Ting He, Zhen-Zhen Huang, Guo-Qin Shen, Qi-Long Liao, Shi-Yi Zhang, Wei-Keng Luo, Bin Tang, Ming-Zhong Ren, Jing Zheng   +11 more
doaj   +1 more source

Recent Advances in Intramolecular C─N Bond Formation for Pyrrolidine Synthesis

ChemistryOpen, Volume 15, Issue 6, June 2026.
This review highlights synthetic advances (2013–2025) in intramolecular C─N bond formation for constructing the pharmaceutically relevant pyrrolidine core. The review is organized into five methodological clusters: 1) intramolecular alkene/alkyne amination; 2) tandem annulations, which involve C─N bond formation as the key step; 3) nucleophilic ...
Rasma Kroņkalne, Māris Turks
wiley   +1 more source