Results 91 to 100 of about 238,190 (303)

Ethyl 5-methyl-7-phenyl-1,2,4-triazolo[4,3-a]pyrimidine-6-carboxylate

Acta Crystallographica Section E, 2014
In the title compound, C15H14N4O2, the triazolopyrimidine ring system is almost planar (r.m.s. deviation = 0.02 Å) and the phenyl ring is inclined to its mean plane by 42.45 (9)°.
Omaima M. AboulWafa, Ahmed M. Farghaly, Mohamed Teleb, Khaled S. Sinoussy   +3 more
doaj   +1 more source

The Cuttlebone Blueprint for Multifunctional Metamaterials: Design Taxonomy, Functional Decoupling, and Future Horizons

Advanced Functional Materials, EarlyView.
Cuttlebone‐inspired metamaterials exploit a septum‐wall architecture to achieve excellent mechanical and functional properties. This review classifies existing designs into direct biomimetic, honeycomb‐type, and strut‐type architectures, summarizes governing design principles, and presents a decoupled design framework for interpreting multiphysical ...
Xinwei Li, Zhendong Li
wiley   +1 more source

Benzyl 3-(3,4,5-trimethoxybenzylidene)dithiocarbazate

IUCrData, 2016
The title compound, C18H20N2O3S2, a dithiocarbazate derivative, adopts an E conformation about the C=N bond. The trimethoxyphenyl group and the dithiocarbazate fragment lie almost in the same plane, with the mean plane of the dithiocarbazate unit being ...
M. A. A. A. A. Islam, M. C. Sheikh, A. A. Mahmud, R. Miyatake, E. Zangrando   +4 more
doaj   +1 more source

Atomic‐Level Ionic Displacement Polarization Enhanced Piezocatalytic Hydrogen Evolution in Covalent Organic Frameworks

Advanced Functional Materials, EarlyView.
Two isomorphic COFs were synthesized and compared, including an amphoteric COF (SQ‐TAPT) and a neutral COF (PDA‐TAPT). The ionic bonds in SQ‐TAPT introduce more Born effective charges, thereby enhancing its ionic displacement polarization. Experimental and theoretical calculations demonstrated that SQ‐TAPT exhibited higher polarity and stronger ...
Ge Yan, Xiaodong Sun, Kailai Zhang, Shuai Zhang, Haijun Hu, Hui Li, Zhenglong Li, Hongwei Huang, Liqun Ye, Jiyang Li, Yunling Liu, Hongge Pan, Tianyi Ma   +12 more
wiley   +1 more source

Polymer Infiltration Into SURMOF Channels Enables Hydrophobic and Solid‐Like Slippery Functional Thin Films

Advanced Functional Materials, EarlyView.
We report a polymer‐chain insertion strategy to fabricate pore‐threaded MOF thin films with precisely tuned surface chemistry and wettability. Grafting n‐alkane chains into the pillared layer Cu2(bdc)2(dabco) MOF thin film's vertical nanochannels enhances water stability, and induces hydrophobicity and lubricant‐free, solid‐like slippery behavior ...
Angana Borbora, Modan Liu, Hartmut Gliemann, Uttam Manna, Christof Wöll   +4 more
wiley   +1 more source

1,2-Di-2-furylethane-1,2-dione

Acta Crystallographica Section E, 2008
The title compound, C10H6O4, lies across a twofold rotation axis through the midpoint of the C—C bond between the two carbonyl groups. The furan ring plane and the plane through all atoms are inclined at 23.88 (1)°.
Fang-Fang Jian, Ke-Fei Wang, Rui-Rui Zhuang   +2 more
doaj   +1 more source

Interstellar extinction towards open clusters and galactic structure

, 2005
We study the distribution of interstellar matter near the galactic plane on the basis of open star clusters and reviewed the correlation of extinction with different physical parameters of the clusters to understand the galactic structure.
Arce, Arenou, Bica, Binney, Cambrésy, Cambrésy, Chen, Chen, Cohen, Conti, Dias, Dutra, Dutra, Dutra, Fernie, FitzGerald, Gum, Humphreys, Janes, Janes, Lockman, Lynga, Lynga, Lynga, Magnani, Martin, Maíz-Apellániz, Mermilliod, Méndez, Neckel, Neckel, Pandey, Pandey, Reed, Schlegel, Stenholm, Tarantola, Y. C. Joshi   +37 more
core   +1 more source

Hydrocolloid‐Based Multiwavelength Stretchable QD‐OLED Patch for Simultaneous Neonatal Jaundice and Dermatitis Treatment with Biosignal Monitoring

Advanced Healthcare Materials, EarlyView.
Comparison of therapeutic and diagnostic applications of a surface‐emitting light source with multiwavelength emission characteristics. Abstract Conventional light‐emitting‐diode‐based light sources suffer from rigidity, localized heating, and poor adaptability to skin deformation, limiting their use in skin‐attached medical devices.
In Ho Kim, Young Woo Kim, Jae‐Young Jeong, Ye Ji Shin, Chaeyeong Lee, Jae Gyun Choi, Oh Kwan Kwon, Kyoung Hwa Kim, Sang Jik Kwon, Eou‐Sik Cho, Yongmin Jeon   +10 more
wiley   +1 more source

Injectable Stimuli‐Responsive Amphiphilic Hydrogel for Rapid Hemostasis, Robust Tissue Adhesion, and Controlled Drug Delivery in Trauma and Surgical Care

Advanced Healthcare Materials, EarlyView.
Fast‐acting hydrogel seals bleeding wounds as the illustrated injectable, pH‐responsive network rapidly gels in situ to stop hemorrhage, adhere strongly to wet tissue, and release antibiotics in a controlled, pH‐dependent manner. The material withstands high pressures, shows excellent biocompatibility, and degrades safely, offering a versatile platform
Arvind K. Singh Chandel, Runali Patil, Abrar Ali Khan, Deeksha Pandit, Kaushik Chatterjee, Maurice N. Collins   +5 more
wiley   +1 more source

Rapid Fabrication of Self‐Propelled and Steerable Magnetic Microcatheters for Precision Medicine

Advanced Materials, EarlyView.
A rapid Joule heating fabrication method for the production of self‐propelling, adaptive microcatheters, with tunable stiffness and integrated microfluidic channels is presented. Demonstrated through three microrobotic designs, including a steerable guiding catheter, an untethered wave‐crawling TubeBot, and a distal‐end propelled microcatheter, it was ...
Zhi Chen, Boris Rivkin, David Castellanos‐Robles, Ivan Soldatov, Lukas Beyer, Mariana Medina‐Sánchez   +5 more
wiley   +1 more source