Results 61 to 70 of about 3,840 (249)

Understanding Operando Water Management in Hydroxide‐Exchange‐Membrane Fuel Cells

Advanced Materials Interfaces, EarlyView.
Effective water management is vital for high‐performance hydroxide‐exchange‐membrane fuel cells. Using a custom water‐flux station, this study quantifies how membrane thickness, microporous layers, and operating conditions dictate internal water transport.
Catherine M. Weiss, Shiyi Wang, Brian P. Setzler, Yushan Yan, Adam Z. Weber   +4 more
wiley   +1 more source

Ultrastructural visualization of the transmembranous and cytomatrix-related part of nicotinic acetylcholine receptor of frog motor endplate by means of an immunochemical avidity of IgG for d-tubocurarine.

Folia Histochemica et Cytobiologica, 2008
In the present study, a fine ultrastructural localization of nicotinic acetylcholine receptor (nAChR) was attempted, using d-tubocurarine (d-TC), a quaternary ammonium compound binding to nAChR.
Shigeru Tsuji, Gabriel Peltre, Yoshifumi Katayama, Keiji Hirai   +3 more
doaj   +1 more source

Spirocyclization of keto-ynesulfonamides promoted by quaternary ammonium salts

, 2019
Spirocyclization of keto-ynesulfonamides with quaternary ammonium salts was performed to access aza-spiro compounds. , Spirocyclization of keto-ynesulfonamides with quaternary ammonium salts was performed to access aza-spiro compounds.
Andna, Lucile, Miesch, Laurence, Beltran, Frederic   +2 more
core   +1 more source

TRMT6‐Mediated m1A Modification of CDK9 mRNA Is a Dual‐Pronged Pathogenic Driver for HBV‐Related Hepatocellular Carcinoma

Advanced Science, EarlyView.
TRMT6‐mediated m1A modification in CDK9 mRNA enhances its mRNA stability and translation efficiency, thereby increasing the protein levels of CDK9. Upregulated CDK9 promotes the progression of HCC by elevating the levels of oncogenic factors including p‐STAT3, MCL1, and BCL‐2. On the other hand, CDK9 phosphorylates TARDBP at Ser254 to activate HBV core
Rui Zhang, Dandan Zong, Rui Liu, Yubo Wang, Qingqing Gu, Yao Yao, Wenfang Zheng, Mengmeng Yuan, Simeng Wang, Rongrong Cui, Daxu Li, Siwen Dang, Peng Hou   +12 more
wiley   +1 more source

Gut Mycobiota‐Associated Tryptophan Catabolites Protect Against Metabolic Dysfunction‐Associated Steatotic Liver Disease

Advanced Science, EarlyView.
ABSTRACT Accumulating evidence suggests that the intestinal microbiota participates in the progression of metabolic dysfunction‐associated steatotic liver disease (MASLD) through microbiota‐host interaction. However, the beneficial role of commensal mycobiota in MASLD progression remains poorly understood.
Shuping Qiao, Shuangya Fan, Juan Xu, Zhen Xu, Chen Peng, Junxing Qu, Ziqian Bing, Shizhen Zhou, Sunan Shen, Guifang Xu, Yue Zhao, Tingting Wang   +11 more
wiley   +1 more source

(E)-8-(4-(4-(Diphenylamino)styryl)phenoxy)-N,N,N-trimethyloctan-1-aminium Bromide

Molbank
Structural optimization integrating triphenylamine and quaternary ammonium salt-based antimicrobial peptide mimics has yielded novel theranostic hybrid molecules.
Saiya Yang, Ya-Na Wang, Yuyang Ma, Ruirui Li, Maxwell Ampomah-Wireko, Cedric Dzidzor Kodjo Amengor, En Zhang, Yi-Hong Zhao   +7 more
doaj   +1 more source

Synthesis of Methacrylate Monomers with Antibacterial Effects Against S. Mutans

Molecules, 2011
A series of polymerizable quaternary ammonium compounds were synthesized with the aim of using them as immobilized antibacterial agents in methacrylate dental composites, and their structures were characterized by FT-IR, 1H-NMR, and 13C-NMR analysis ...
Jingwei He, Monica Österblad, Pekka K. Vallittu, Lippo V. J. Lassila, Eva Söderling   +4 more
doaj   +1 more source

Reproductive Toxicity of Quaternary Ammonium Compounds

As a proof of concept for a framework to integrate new approach methodologies into hazard identification and risk characterization, this systematic review will evaluate the reproductive toxicity of BACs and DDAC, two common quaternary ammonium ...
Tracey Woodruff, Nicholas Chartres, Emily Lasher, Abena BakenRa, Jessica Trowbridge   +4 more
core   +1 more source

Nanocellulose Alleviates Intrahepatic Cholestasis of Pregnancy via Gut Microbiota‐Mediated Bile Acid Homeostasis

Advanced Science, EarlyView.
Nanocellulose, derived from microcrystalline cellulose (MCC) through sulfuric acid hydrolysis or mechanical grinding to produce CNC or CNF, was tested in a rat ICP model. Particularly, CNF improved gut microbiota composition, reduced secondary bile acid metabolism, and restored bile acid homeostasis through modulation of the gut–liver axis.
Muhua Yu, Hongjie Dai, Xiaocui Zhong, Qibin Li, Hui Yuan, Yang Yang, Daiyong Huang, Lei Zhang, Rui Ran, Tian He, Yuanzhi Huang, Silas Villas‐Boas, Sergey Tumanov, Richard D. Cannon, Boris Novakovic, Richard Saffery, Yuhao Zhang, Xiaojing Dong, Ting‐Li Han   +18 more
wiley   +1 more source

Synthesis, Purification and Characterization of Polymerizable Multifunctional Quaternary Ammonium Compounds

Molecules, 2019
Methacrylate analogs of quaternary ammonium salts functionalized with carboxylic (AMadh1 68.8% yield, AMadh2 53.2% yield) and methoxysilane (AMsil1 94.8% yield, AMsil2 36.0% yield) groups were synthesized via Menschutkin reaction.
Ugochukwu C. Okeke, Chad R. Snyder, Stanislav A. Frukhtbeyn   +2 more
doaj   +1 more source