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Synthesis of fully alternating polycarbonate with low Tg from carbon dioxide and bio-based fatty acid
The selective copolymerization of CO2 and an epoxide to form fully alternating polycarbonates is a great challenge via catalysis with the zinc–cobalt(III) double metal cyanide complex [Zn–Co(III) DMCC]. We describe the first perfectly alternating copolymerization of CO2 with a bio-based epoxide. The resultant polycarbonate had a low Tgs of 38 to 44 C and two end hydroxyl grou...
http://www.polymer.cn//ss/xhzhang/publicationsshow_8333.html |
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JMaterChemB--Self-assembly of amphiphilic peptides into bio-functionalized nanotubes: a novel hydrolase model
Herein, we report the construction of a novel hydrolase model via self-assembly of a synthetic amphiphilic short peptide (Fmoc-FFH-CONH2) into nanotubes. The peptide-based self-assembled nanotubes (PepNTs-His) with imidazolyl groups as the catalytic centers exhibit high catalytic activity for p-nitrophenyl acetate (PNPA) hydrolysis. By replacement of the histidine of Fmoc-FFH-CONH2with arginine to...
http://www.polymer.cn//ss/dongzy/publicationsshow_7699.html |
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Brain-Targeting Gene Delivery using a Rabies Virus Glycoprotein Peptide Modulated Hollow Liposome: Bio-behavior Study
Brain-Targeting Gene
Delivery using a Rabies Virus Glycoprotein Peptide Modulated Hollow Liposome: Bio-behavior
Study.
http://www.polymer.cn//ss/taoyouhua/publicationsshow_5235.html |
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(Soft Matter) Directional shedding-off of water on natural/bio-mimetic taper-ratchet array surfaces
Surfaces that control fluids are important in self-cleaning, liquid-transport and cell-directing. They are significantly observed on biological surfaces that control wettability and adhesion by means of micro-/nanostructures, and have aroused interest in foundational and biomimetic research. Here, we report a novel taper-ratchet array on ryegrass leaf. It integrates a gradient of retention at soli...
http://www.polymer.cn//ss/zhengyongmei/publicationsshow_3883.html |
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(Adv. Funct. Mater.) Bio-inspired Heterostructured Fibers with Bead-on-String to Respond the Environmental Wetting
Inspired by the geometric structure of ecribellate spider capture silk and its spinning characteristics, we propose a one-step electrohydrodynamic method to fabricate bead-on-string heterostructured fi bers (BSHFs). By combining electrospinning and electrospraying strategies using a sprayable outer fluid with low viscosity and a spinnable inner fl uid with high viscosity in a coaxial jetting proce...
http://www.polymer.cn//ss/zhengyongmei/publicationsshow_3881.html |
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(Adv. Mater.) Direction Controlled Driving of Tiny Water Drops on Bio-inspired Artificial Spider Silks
Inspired by the spider silk, we fabricated a series of artifi cial spider silks with spindle-knots in which the chemical compositions and surface nanostructures were subtly designed. Our investigations demonstrated that tiny water drops (tens of picoliters) could be driven with controllable direction (“toward” or “away from” the knot) by optimizing the cooperation of curvat...
http://www.polymer.cn//ss/zhengyongmei/publicationsshow_3880.html |
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J. Mater. Chem. 2012, 22, 8257. "Bio-inspired adhesive superhydrophobic polyimide mat with high thermal stability"
Superhydrophobic surface with strong solid/liquid adhesion is considered to be of great fundamental and technological importance. However, the fabrication of adhesive superhydrophobic polymer surfaces with high thermal stability is rare, which limits the utilization of such surfaces in harsh environment. This paper illustrates a simple one-step electrospinning way to produce adhesive superhydropho...
http://www.polymer.cn//ss/zhaoyong/publicationsshow_3840.html |
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Bio-based green composites with high performance from poly(lactic acid) and surface-modified microcrystalline cellulose
ABSTRACT: Bio-based green composites with high performance were prepared from poly(lactic acid) (PLA) and microcrystalline cellulose (MC) fibers grafted with L-lactic acid oligomers (g-MC). The chemical structure of g-MC was characterized by FTIR and NMR methods, which indicate that L-lactic acid oligomers were successfully grafted onto microcrystalline cellulose. The grafting percentage of L-la...
http://www.polymer.cn//ss/yangguang/publicationsshow_3839.html |
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The bio-inspired approach to controllable biomimetic synthesis of silver nanoparticles in organic matrix of chitosan and silver-binding peptide (NPSSLFRYLPSD)
Inspired by organic matrices in some life systems which can operate as templates for biosynthesis organic materials with uniform size and morphology, in our experiment, chitosan was combined with AG4 peptide (NPSSLFRYLPSD) to form a simple organic matrix, which was used as a template to synthesize particle size and morphology-controlling silver nanoparticles. The results of UV-vis determinati...
http://www.polymer.cn//ss/yangpeng/publicationsshow_2146.html |
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Materials Science and Engineering: R: Reports (Former title: Materials Science Reports)
【内容简介】Materials Science & Engineering R: Reports publishes invited review papers covering the full spectrum of materials science and engineering. The reviews, both experimental and theoretical, provide general background information as well as a critical assessment on topics in a state of flux. The editorial policy of Materials Science & Engineering R: Reports is to serve its readershi...
http://www.polymer.cn/resource/13881resource.html |
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