Preparation and Characterization of Acylated Chitosan

来源 :高等学校化学研究：英文版 | 被引量 : 0次 | 上传用户：yao252373

【摘要】

：

Fully acylated chitosan and N, N-diacyl chitosan were prepared. The products were characterized by elemental analysis, FTIR and 1H NMR. The experimental results

【作者】

：

LIMing-ehun LIUChao XINMei-hua

【机构】

：

CollegeofMaterialScienceandEngineering

【出处】

：

高等学校化学研究：英文版

【发表日期】

：

2005年1期

【关键词】

：

酰化壳聚糖制备表征元素分析 XRD 置换度 Chitosan Acylation Degree of substitution XRD

【基金项目】

：

国家自然科学基金，福建省科研项目，福建省自然科学基金

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

Fully acylated chitosan and N, N-diacyl chitosan were prepared. The products were characterized by elemental analysis, FTIR and 1H NMR. The experimental results indicate that the average degree of acylation depends on the volume ratio of pyridine to chlor

其他文献

Co-administration　of　Interleukin-2　Enhances　Cellular　and　Humoral　Immune　Responses　to　HIV　Vaccine　DNA

Interleukine-2(IL-2) is a growth factor for antigen-stimulated T lymphocytes and is responsible for T-cell clonal expansion after antigen recognition. It has be

期刊

免疫系统HIV病毒DNA核酸白细胞素HIV DNA vaccine IL-2 adjuvant Immune responses

“体验型”课型在高校人文社会科学教学中的运用

在高校文科教学中运用"体验型"课型是改革传统课堂教学,提高教学质量的有效方法.运用好"体验型"课型的关键在于科学设计体验情境,恰当安排教学环节,准确把握教师的角色定位.

期刊

文科教学改革“体验型”课型Liberal arts teachingreform“experiencing type”lesson type

低介电常数绝缘介质α-SiCOF薄膜及其制备方法

一种低介电常数绝缘介质α-SiCOF薄膜（非晶硅碳氧氟薄膜）及其制备方法。现有该类产品介电常数较高、薄膜漏电流密度大、介电强度和电学稳定性不理想，且生产成本偏高。本发明用等

期刊

低介电常数制备方法绝缘介质等离子增强化学气相淀积薄膜漏电流密度电学稳定性正硅酸乙酯

Isolation and Characterization of Two New Compounds from Lysimachia Davurica

Two new saponins named davuricoside H and davuricoside K were isolated from the whole plant of Lysimachia davurica. The structures of davuricoside H and davuric

期刊

黄连花三萜皂苷成份分离结构鉴定化合物Lysimachia davurica Triterpenoid saponin Davuficoside H

论系统思维模式

系统思维模式是对系统思维内容在结构上的概括与描述。根据人类实践活动提供的有关材料与经验,根据系统思维的规律,通过对系统与思维交叉点的研究,建立一些适当的模式,对于促

期刊

负熵人类实践活动序参量稳定态控制变量突变理论总熵概念分类耗散结构内在根据

Synthesis of Tin Oxide Through Thermal Decomposition of Sn2 （NH4）2 （ C2 O4 ）3 and Its Gas Sensing P

Nanocrystalline tin oxide samples were prepared by using Sn2 (NH4)2 (C2O4)3 as the precursor. The thermal decompositions were respectively conducted at 250,450

期刊

氧化锡合成方法热量分解选择性电极气体传感器Tin dioxide Thermal decomposition Gas sensing prope

Synthesis of Poly[（3-octanoylpyrrole-2,5-diyl）-p-nitrobenzylidene] and Its Third-order Nonlinear Opt

A novel soluble π-conjugated polymer, poly[(3-octanoylpyrrole-2,5-diyl)-p-nitrobenzylidene](POPNBE), was synthesized by a five-step reaction. As a result of in

期刊

聚乙烯[(3-辛酰吡咯-25-双基)-p-硝基苯亚基]非线性光学特性化学结构化学性质Poly[(3-octanoylpyrrole-25-diyl)

Synthesis, Crystal Structure and Biological Activities of N＇ - （ 4-Methoxybenzylidene ） -2- （ 1H-1,

The title compound, N′-(4-methoxybenzylidene)-2-(1 H -1,2,4-triazol-1-yl)acetohydrazide, was synthesized and its structure was confirmed by means of IR, MS, 1H

期刊

合成晶体结构生物学活性N'-(4-甲氧亚苄基)-2-(1H-124-三唑基)乙酰肼西佛碱抗菌活性1H-124-Triazole A

Self-assembling Process of Alkanethiol Monolayers on Gold Surface via Underpotential Deposition

期刊

SAM构型转换UPDQCM烷烃硫醇自组装表面沉积金电极SAM Configuration transmutation UPD QCM

排球教练员的非语言效应与临场指导

本文分析了排球教练员的非语言效应与临场指导对运动员、裁判员、观众和对方教练员、运动员在比赛中的重要作用.

期刊

排球运动教练员竞技比赛非语言效应临场指导Volleyballcoachathletics competitionnonverbal languageo

Preparation and Characterization of Acylated Chitosan

与本文相关的学术论文