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Synthesis, Characterization, and Properties of Amphiphilic Chitosan Copolymers with Mixed Side Chains by Click Chemistry
Novel amphiphilic chitosan copolymers with mixed
side chains of poly(e-caprolactone) and poly(ethylene oxide)
(CS-g-PCL/PEO) were successfully synthesized by ‘‘graft to’’
approach via click chemistry. The melting and crystallization
behaviors and crystalline morphology of CS-g-PCL/PEO copolymers
can be adjusted by the alteration of the feed ratio of PCL
and PEO segmen...
http://www.polymer.cn//ss/yuanweizhong/publicationsshow_2302.html |
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Bifunctional multidentate ligand modified highly stable water-soluble quantum dots. Inorganic Chemistry 2010 49(8), 3768-3775.
Bifunctional multidentate ligand modified highly stable water-soluble quantum dots.
http://www.polymer.cn//ss/guoxuhong/publicationsshow_2221.html |
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Preparation of Primary Amine-Based Block Copolymer Vesicles by Direct Dissolution in Water and Subsequent Stabilization by Sol-Gel Chemistry
A new amphiphilic biocompatible diblock copolymer, poly(ε-caprolactone)-block-poly(2-aminoethyl methacrylate), PCL-b-PAMA, was synthesized in three steps by (i) ring-opening polymerization of ε-caprolactone, (ii) end-group modification by esterification, and (iii) atom transfer radical polymerization (ATRP) of 2-aminoethyl methacrylate hydrochloride (AMA) in its hydrochloride salt ...
http://www.polymer.cn//ss/dujianzhong/publicationsshow_2093.html |
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Bioconjugate Chemistry 2009: Polyaspartamide-Based Oligo-ethylenimine Brushes with High Buffer Capacity and Low Cytotoxicity for Highly Efficient Gene Delivery
Polyaspartamide-based oligo-ethylenimine brushes (PASP-EDA, PASP-TEPA, PASP-PEHA, and PASP-PEI 423) were synthesized from polysuccinimide (PSI) via a ring-opening reaction with N-Boc protected ethylenediamine, tetraethylenepentamine, pentaethylenehexamine, and linear polyethylenimine (Mn 423), respectively. PASP-TEPA, PASP-PEHA, and PASP-PEI 423 possess high buffer capacity between pH 5 and pH 7, ...
http://www.polymer.cn//ss/huangshiwen/publicationsshow_2018.html |
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Bioconjugate Chemistry 2009:Poly(beta-aminoester)s with Pendant Primary Amines for Efficient Gene Delivery
Three hydrolytically degradable poly(beta-aminoester)s containing ester bonds in the main chain and primary amines in the side chain, synthesized by Michael polyaddition, were applied to deliver foreign DNA into cells in vitro. These linear polycations can condense DNA into small-sized particles with positive surface charge at high N/P ratios. Their high buffer capacity at pH 5-7 facilitated the e...
http://www.polymer.cn//ss/huangshiwen/publicationsshow_2015.html |
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[Soft Matter] Synthesis of azide/alkyne-terminal polymers and application for surface functionalisation through a [2+3] Huisgen cycloaddition process, "click chemistry''
Living radical polymerization of methyl methacrylate (MMA) and a fluorescent comonomer with 2-bromo-2-methylpropionic acid 3-azidopropyl ester and 2-bromo-2-methylhept-6-yn-3-one as initiators has been successfully employed for the synthesis of fluorescently tagged azide and alkyne terminated PMMA with Mn close to that predicted, PDI < 1.20, and good first order kinetics as expected for a livin...
http://www.polymer.cn//ss/gchen/publicationsshow_1884.html |
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Novel in situ forming, degradable dextran hydrogels by Michael addition chemistry: Synthesis, rheology, and degradation
Various vinyl sulfone functionalized dextrans (dex-VS) (M-n,M-dextran = 14K or 31K) with degrees of substitution (DS) ranging from 2 to 22 were conveniently prepared by a one-pot synthesis procedure at room temperature. This procedure involved reaction of a mercaptoalkanoic acid with an excess amount of divinyl sulfone yielding vinyl sulfone alkanoic acid, followed by conjugation to dextran using ...
http://www.polymer.cn//ss/zhongzhiyuan/publicationsshow_1005.html |
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23. Effect of functionalization of multiwalled nanotubes on the crystallization and hydrolytic degradation of Biodegradable poly(L-lactide). Zhao Y, Qiu Z,* Yang W. Journal of Physical Chemistry B 2008; 112 (51):16461-16468.
Biodegradable poly(L-lactide) (PLLA)/multiwalled carbon nanotubes (MWNTs) nanocomposites were prepared via solution blending using two kinds of MWNTs, i.e., pristine multiwalled carbon nanotubes (p-MWNTs) and carboxyl- functionalized multiwalled carbon nanotubes (f-MWNTs). Various techniques were used to investigate the functionalization of MWNTs on the morphology, crystallization, and hydrolytic ...
http://www.polymer.cn//ss/qiuzhaobin/publicationsshow_745.html |
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β-Cyclodextrin Polymer Brushes Based on Hyperbranched Polycarbosilane: Synthesis and Characterization
关键字：atom transfer radical polymerization,core-shell structure,b-cyclodextrin polymer brushes,hyperbranched polymer,synthesis
In this article, our main goal is to combine hyperbranched polymer with
b-cyclodextrin (b-CD) to establish a novel functional polymer species with core-shell
structure and supramolecular system for further application in inclusion technologies
and the complex drugs delivery system. Therefore, two b-CD polymer brushes based
on hyperbranched polycarbosilane (HBP) as a hydrophobic core and poly(N...
http://www.polymer.cn/research/sy_info14784 |
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High Ion Conducting Composite Polymer Electrolyte Using Polymer Ionic Liquid-functionalized Graphene Molecular Brushes
关键字：Polymer ionic liquid, Composite polymer electrolyte, Graphene
Solid polymer electrolytes (SPEs) are potential safer alternatives to liquid electrolytes in Li-ion batteries, because SPEs are safety, flexibility, and manufacturability than liquid. Despite their advantages in safety and stabilit...
http://www.polymer.cn/research/dis_info17291 |
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