Results 121 to 130 of about 21,302,386 (373)

Human Exposures to Bisphenol A, Bisphenol F and Chlorinated Bisphenol A Derivatives and Thyroid Function

PLOS ONE, 2016
Although the increasing prevalence of thyroid nodular disease (TND) has been partially attributed to the more frequent usage of improved diagnostics, environmental factors, such as exposures to thyroid-disrupting chemicals may contribute to TND and altered thyroid function.
Andrianou, Xanthi D., Gängler, Stephanie, Piciu, Andra, Charisiadis, Pantelis, Zira, Christina, Aristidou, Kyriacos, Piciu, Doina, Makris, Konstantinos C., Hauser, Russ   +8 more
openaire   +6 more sources

Biomass-derived chemical substitutes for bisphenol A: recent advancements in catalytic synthesis.

Chemical Society Reviews, 2020
Bisphenol A is an oil-derived, large market volume chemical with a wide spectrum of applications in plastics, adhesives and thermal papers. However, bisphenol A is not considered safe due to its endocrine disrupting properties and reproductive toxicity ...
F. Liguori, Carmen Moreno‐Marrodán, P. Barbaro   +2 more
semanticscholar   +1 more source

Autonomous Locomotion of Tensegrity Structure on Low‐Temperature Surfaces

Advanced Robotics Research, EarlyView.
A low‐temperature responsive tensegrity structure (LRTS) is constructed by integrating low‐responsive temperature liquid crystal elastomer (LCE) cables, nonresponsive cables, and stiff rods. The low phase transition temperature of LCE is achieved by introducing a new liquid crystal mesogen.
Changyue Liu, Kai Li, Tianyu Li, Zixuan Wang, Jiping Yang, Zhijian Wang   +5 more
wiley   +1 more source

Assessment of bisphenols in children's toy and baby products in the Middle East

Emerging Contaminants
A major concern from the scientific community has been raised since evidence of Bisphenol A (BP-A) can leach out from the products where they are incorporated as well as its endocrine disrupting effects observed in animals and humans.
K. Martínez-Guijarro, B. Gevao, M. Porcelli, S. Al-Salem, Saif Uddin, M. Bahloul, H. Taqi, M. Hajeyah, D. Krishnan, S. Rajagopalan, A. Boota   +10 more
doaj   +1 more source

Harnessing Carbenoid Reactivity From Imidazoles and Oxiranes

Advanced Synthesis &Catalysis, EarlyView.
The combination of azole compounds and oxiranes exhibits carbenoid reactivity at elevated temperatures, as demonstrated by the successful benzoin condensation of aromatic aldehydes. Using this catalytic system to polymerize bifunctional aldehyde/oxirane monomers yields thermosets with glass transition temperatures above 100°C.
Matthias R. Steiner, Johanna M. Uher, Jürgen Lindner, Cordula M. Zeiler, Christian Slugovc   +4 more
wiley   +1 more source

Fire Retardancy of Vinyl Ester Nanocomposites: Synergy with Phosphorus-Based Fire Retardants [PDF]

, 2005
Vinyl ester (PVE) nanocomposites were prepared using both clay and polyhedral oligosilsesquioxanes (POSS) as the nano-dimensional material. From cone calorimetric data, it was shown that both POSS and clay affect the flammability of the nanocomposites to
Chigwada, Grace, Jash, Panchatapa, Jiang, David D., Wilkie, Charles A.   +3 more
core   +2 more sources

Cinnamic‐Hydroxamic‐Acid Derivatives Exhibit Antibiotic, Anti‐Biofilm, and Supercoiling Relaxation Properties by Targeting Bacterial Nucleoid‐Associated Protein HU

Advanced Science, EarlyView.
Cinnamic‐hydroxamic‐acid derivatives (CHADs) are identified as novel inhibitors of the bacterial nucleoid‐associated protein HU, exhibiting potent antibacterial, anti‐biofilm (both inhibition and eradication), and DNA relaxation (anti‐supercoiling) activities. Moreover, CHADs demonstrate strong synergistic effects with multiple antibiotics.
Huan Chen, Yingqi Xu, Zhaoping Xiong, Hongliang Wang, Xin Wang, Yue Kang, Zhonglin Wang, Xiaoyan Zeng, Yahui Liu, Yehuan Zheng, Wei Chen, Mengzhe Li, Zhenyue Hu, Chi Xu, Yue Wu, Yawen Wang, Zuyi Yuan, Shuai Yuan, Huadong Liu, Steve Matthews, Nan Qiao, Yan Li, Bing Liu   +22 more
wiley   +1 more source

Regulation of Excitonic Behavior in Defective Acetylenic Polymers Enables Mechanism Switching in O2 Activation for Enhanced Water Decontamination

Advanced Science, EarlyView.
A molecular defect‐mediated charge accumulation strategy is developed to regulate the exciton behavior for selective molecular oxygen (O2)activation in poly(1,3,5‐triethynylbenzene) (PTEB). Artificial internal electric field (IEF) constructed in defective PTEB provides internal driving force to steer the directed migration of charge carriers, thereby ...
Xiaofeng Tang, Sijia Jin, Wei Li, Yingrong Wang, Haiyan Zhang, Zhiqiao He, Shuang Song, Yaqi Cai, Tao Zeng   +8 more
wiley   +1 more source

Dual Chemical Looping/Catalytic Process for Alkylation of Benzene With Ethane and Propane Yielding Ethylbenzene and Cumene Over Copper‐Containing Mordenite

Angewandte Chemie, EarlyView.
We report a dual chemical looping/catalytic process coupling alkane dehydrogenation with aromatic alkylation over Cu‐mordenite, yielding up to 25% alkylated aromatics with >95% selectivity per cycle. In situ NMR, FTIR spectroscopy, and DFT show alkylation proceeds via a π‐bound Cu(I)–olefin intermediate and Brønsted acid sites.
Florent J. Dubray, Yu‐Hsun Wang, Mikalai A. Artsiusheuski, Jiawei Guo, Rene Verel, Ambarish Kulkarni, Jeroen A. van Bokhoven, Vitaly L. Sushkevich   +7 more
wiley   +2 more sources

Bisphenol A induces superfeminization in the Ramshorn snail Marisa cornuarietis (Gastropoda: Prosobranchia) at environmentally relevant concentrations [PDF]

, 2007
Previous investigations have shown that bisphenol A (BPA) induces a superfeminization syndrome in the freshwater snail Marisa cornuarietis at concentrations as low as 1 μg/L.
Bachmann, Jean, Kloas, Werner, Lutz, Ilka, Oehlmann, Jörg, Oetken, Matthias, Schulte-Oehlmann, Ulrike, Ternes, Thomas A.   +6 more
core