Results 31 to 40 of about 2,914 (196)

New Polyurethanes with a polyurea matrix [PDF]

, 2012
Based on a previously published (Peshkov 2011) synthesis route of nanoscale oligourea dispersion polyols (NODP) a new type of polyurethanes with a polyurea matrix was developed.
Behrendt, Gerhard, Evtimova, Rozeta, Herzog, Michael, Peshkov, Vladimir   +3 more
core   +1 more source

Precise Tailoring 3D Printed In Situ Toughening Low‐k Microwave Transparent Structure via Thiol‐acrylate Chain Transfer Behavior

Advanced Science, EarlyView.
An in situ thiol–acrylate chain transfer‐mediated toughening strategy is introduced for Digital Light Processing (DLP) printing. Benefiting from its excellent printability, a printed gyroid lattice‐filled plate (100 µm wall thickness) achieves 92% transmittance at 10 GHz under a 50° incidence angle following structural optimization. ABSTRACT The unique
Ce Bian, Kai Zheng, Ruoyu Chen, Wansong Gu, Guanxiang Zhong, Difei Liang, Longjiang Deng, Hetao Chu   +7 more
wiley   +1 more source

Electrochemical Hofmann Rearrangement for Modular Synthesis of Unsymmetrical Ureas and Late‐Stage Modification of Drugs

Advanced Science, EarlyView.
An electrochemical Hofmann rearrangement of amide involving amine or other amide nucleophiles has been developed. The use of NaI guarantees the feasibility and compatibility of the electrosynthesis protocol, which enables highly chemoselective synthesis of unsymmetrical N‐acylureas from two different amides, as well as the production of unsymmetrical ...
Xue‐Qing Mou, Xiao Zha, Yu‐Rui Jian, Shao‐Xing Zhong, Xin‐Yu Fu, Sheng‐Yang Xu, Wei Xiang, Bao‐Dong Cui, Yun Zhang, Yong‐Zheng Chen   +9 more
wiley   +1 more source

The synthesis and antiviral activity of 1-(4-сhlorophenyl)-4-(para-tolyl)-5,6,7,8-tetrahydro-2а,4a-diazacyclopenta[cd]-azulene-2-carboxylic acid derivatives

Журнал органічної та фармацевтичної хімії, 2019
Aim. To synthesize, prove the structural framework and study the antiviral activity of 1-(4-chlorophenyl)-4-(para-tolyl)-5,6,7,8-tetrahydro-2a,4a-diazacyclopenta[cd]azulene-2-carboxylic acid derivatives. Results and discussion. The antiviral activity of
Serhii A. Demchenko, Yuliia A. Fedchenkova, Volodymyr V. Sukhoveev, O. S. Bagreeva, Anatolii M. Demchenko   +4 more
doaj   +1 more source

Civilian Occupational Exposure to Vapors, Gas, Dust, or Fumes and Respiratory Health Among United States Military Veterans

American Journal of Industrial Medicine, EarlyView.
ABSTRACT Background We investigated associations of self‐reported and job exposure matrix (JEM) assigned civilian occupational exposure to vapors, gas, dust, or fumes (VGDF) with respiratory symptoms among previously deployed US Veterans. Methods An interviewer‐administered questionnaire ascertained self‐reported civilian occupational VGDF exposure.
Sahra Mohazzab‐Hosseinian, Carrie A. Redlich, Anna M. Korpak, Andrew K. I. Timmons, Nicholas L. Smith, Karen S. Nakayama, Farrah Kheradmand, Vincent S. Fan, Michael Jerrett, Philippe R. Montgrain, Christine H. Wendt, Ware G. Kuschner, Emily S. Wan, Eric Garshick, Paul D. Blanc   +14 more
wiley   +1 more source

The biomedical significance of the phytochemical, proximate and mineral compositions of the leaf, stem bark and root of Jatropha curcas

Asian Pacific Journal of Tropical Biomedicine, 2015
Objective: To analyse the phytochemical contents of leaf, stem bark and root of Jatropha curcas (J. curcas) in four solvent extracts and their proximate and mineral compositions.
Atamgba Agbor Asuk, Margaret Akpana Agiang, Kayode Dasofunjo, Amonor James Willie   +3 more
doaj   +1 more source

High Temperature Thermosets [PDF]

, 1999
A thermoset or network polymer is an organic material where the molecules are tied together through chemical bonds (crosslinks) and therefore they cannot move past one another.
Hergenrother, Paul M.
core   +1 more source

Anti‐Carbamylated Protein Antibodies Stabilize Carbamylated Histone H3 to Promote Synovial Activation and Neutrophil Extracellular Trap‐Mediated Bone Loss in Rheumatoid Arthritis

Arthritis &Rheumatology, EarlyView.
Objective Carbamylation, a nonenzymatic post‐translational modification, contributes to rheumatoid arthritis (RA) pathogenesis. Anti‐carbamylated protein antibodies (anti‐CarP) occur in around 50% of patients with RA and associate with greater joint damage. Neutrophil extracellular traps (NETs) are a major source of carbamylated autoantigens. We sought
Shuichiro Nakabo, Norio Hanata, Eduardo Patino‐Martinez, Ronald Holewinski, Ana Barrera‐Vargas, Javier Merayo‐Chalico, Scott A. Coonrod, David A. Fox, Mariana J. Kaplan, Carmelo Carmona‐Rivera   +9 more
wiley   +1 more source

Carbon Dot Nano‐Spacers in Triazine Networks for Integrated Photothermal Seawater Desalination and H2O2 Production

Carbon Energy, EarlyView.
Cyanated carbon dots (CN‐CDs) are synthesized by the hydrothermal method with carboxymethyl cellulose and cyanobenzoic acid, and CD‐CTN is obtained in situ via cyclotrimerization of CN‐CDs. CD‐CTN possesses excellent photothermal catalytic H2O2 production in seawater, and desalted H2O2 could be obtained, which demonstrates the practical application for
Xiaoxia Chen, Wenjie Tian, Huayang Zhang, Jingkai Lin, Anithadevi Sekar, Min Ge, Ruijia Wang, Hongda Guo, Shouxin Liu, Shujun Li, Jian Li, Tony D. James, Sai Kishore Ravi, Zhijun Chen   +13 more
wiley   +1 more source

Selective Oxidation Strategies for Cost‐Efficient Green Hydrogen Production via Hybrid Water Electrolysis

Carbon Energy, EarlyView.
Hybrid water electrolysis has emerged as a promising alternative to conventional electrolysis for sustainable hydrogen production. The economic potential of replacing water oxidation with organic substrates is assessed. For each substrate, representative electrocatalysts and mechanistic insights are reviewed to identify design principles for optimized ...
Conor Brennan‐Pollak, Lua Henderson, Cian Clarke, Maida A. Costa de Oliveira, Dídac A. Fenoll, Sreedhanya Pallilavalappil, Aswathy Babu, Shaista Jabeen, Pranav K. Gangadharan, Huabin Zhang, Suresh C. Pillai, Paula E. Colavita, Max García‐Melchor   +12 more
wiley   +1 more source