Small-angle X-ray scattering as a useful supplementary technique to determine molecular masses of polyelectrolytes in solution [0.03%]
溶液中聚电解质分子量的小角X射线散射辅助测定法研究进展
Beatrice Plazzotta,Jakob Stensgaard Diget,Kaizheng Zhu et al.
Beatrice Plazzotta et al.
Determination of molecular masses of charged polymers is often nontrivial and most methods have their drawbacks. For polyelectrolytes, a new possibility for the determination of number-average molecular masses is represented by small-angle ...
Dependence on material choice of degradation of organic solar cells following exposure to humid air [0.03%]
有机太阳能电池在潮湿空气暴露后的降解依赖于材料选择
Tom S Glen,Nicholas W Scarratt,Hunan Yi et al.
Tom S Glen et al.
Electron microscopy has been used to study the degradation of organic solar cells when exposed to humid air. Devices with various different combinations of commonly used organic solar cell hole transport layers and cathode materials have be...
Solution-crystallization and related phenomena in 9,9-dialkyl-fluorene polymers. II. Influence of side-chain structure [0.03%]
9,9-二烷基芴类聚合物中的溶液结晶及相关的现象（II）——侧链结构的影响
Aleksandr Perevedentsev,Paul N Stavrinou,Paul Smith et al.
Aleksandr Perevedentsev et al.
Solution-crystallization is studied for two polyfluorene polymers possessing different side-chain structures. Thermal analysis and temperature-dependent optical spectroscopy are used to clarify the nature of the crystallization process, whi...
Structure of Sodium Carboxymethyl Cellulose Aqueous Solutions: A SANS and Rheology Study [0.03%]
钠羧甲基纤维素水溶液的结构研究：小角中子散射和流变学研究
Carlos G Lopez,Sarah E Rogers,Ralph H Colby et al.
Carlos G Lopez et al.
We report a small angle neutron scattering (SANS) and rheology study of cellulose derivative polyelectrolyte sodium carboxymethyl cellulose with a degree of substitution of 1.2. Using SANS, we establish that this polymer is molecularly diss...
Solution-Crystallization and Related Phenomena in 9,9-Dialkyl-Fluorene Polymers. I. Crystalline Polymer-Solvent Compound Formation for Poly(9,9-dioctylfluorene) [0.03%]
9,9-二烷基芴聚合物中的溶液结晶及有关现象。I.聚[9,9-二辛基芴]的结晶态高分子-溶剂化合物的形成
Aleksandr Perevedentsev,Paul N Stavrinou,Donal D C Bradley et al.
Aleksandr Perevedentsev et al.
Polymer-solvent compound formation, occurring via co-crystallization of polymer chains and selected small-molecular species, is demonstrated for the conjugated polymer poly(9,9-dioctylfluorene) (PFO) and a range of organic solvents. The res...
Extraordinarily large swelling energy of iodine-treated poly(vinyl alcohol) demonstrated by jump of a film [0.03%]
碘处理聚乙烯醇的极大溶胀能量——膜的跳变现象证明了这一点
Tatsuro Takamura,Kazuya Nozawa,Yoshiki Sugimoto et al.
Tatsuro Takamura et al.
Organic material characteristics of volume change and stress generation have attracted the attention of many researchers aiming to develop chemomechanical systems such as artificial muscles and polymer engines having the advantages of high ...
Ferenc Horkay
Ferenc Horkay
Articular cartilage is a low-friction, load-bearing tissue located at joint surfaces. The extracellular matrix (ECM) of cartilage consists of a fibrous collagen network, which is pre-stressed by the osmotic swelling pressure exerted by nega...
High Mechanophore Content Polyester-Acrylate ABA Block Copolymers: Synthesis and Sonochemical Activation [0.03%]
高机械力含载体的聚酯丙烯酸酯ABA嵌段共聚物：合成与声化学激活
Zachary S Kean,Ashley L Black Ramirez,Stephen L Craig
Zachary S Kean
Ultra Low Density and Highly Crosslinked Biocompatible Shape Memory Polyurethane Foams [0.03%]
超低密度和高度交联的生物相容性形状记忆聚氨酯泡沫
Pooja Singhal,Jennifer N Rodriguez,Ward Small et al.
Pooja Singhal et al.
We report the development of highly chemically crosslinked, ultra low density (~0.015 g/cc) polyurethane shape memory foams synthesized from symmetrical, low molecular weight and branched hydroxyl monomers. Sharp single glass transitions (T...
Probing Interactions between Aggrecan and Mica Surface by the Atomic Force Microscopy [0.03%]
原子力 microscopy研究 aggrecan和云母表面的相互作用
Preethi L Chandran,Emilios K Dimitriadis,Peter J Basser et al.
Preethi L Chandran et al.
Aggrecan is a bottlebrush shaped macromolecule found in the extracellular matrix of cartilage. The negatively charged glycosaminoglycan (GAG) chains attached to its protein backbone give aggrecan molecules a high charge density, which is es...