GPC Determination of Dendrobium officinale polysaccharide molecular weight and purity

来源 :中国化学会全国第十二届有机合成化学学术研讨会 | 被引量 : 0次 | 上传用户：lhyhh123

【摘要】

：

　　Objective: The molecular weight and purity of Dendrobium officinale polysaccharides were determined by gel permeation chromatography(GPC).Method: The Waters

【作者】

：

Luoqiu-lian;Tangzhuan-hui;Zhangxue-feng;Luoxuan;

【机构】

：

School of chemistry and Chemical Engineering,Guangxi University,Nanning 530004

【出处】

：

中国化学会全国第十二届有机合成化学学术研讨会

【发表日期】

：

2015年期

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

　　Objective: The molecular weight and purity of Dendrobium officinale polysaccharides were determined by gel permeation chromatography(GPC).Method: The Waters Ultrahydrogel TM linear column(7.8 × 300 mm)and 2414(RID)refractive index detector were used,the mobile phase was ultrapure water(Millipore,Milli-Q Advantage A10),flow rate was 1.0 min/mL,column temperature was 55 ℃ and injection volume was 30 μL.

其他文献

Copper-catalyzed Oxidative C-H Bond Amination of Hydrazones:Efficient Synthesis of Cinnolines

　　Cinnolines,the privileged structure in molecular skeletons,have a broad range of biological and pharmacological activities,therefore,it has attracted increa

会议

Synthesis of Benzimidazole-based Phosphonium Salts as Novel Antimicrobial Agents and Their Bioactivi

　　Organophosphorus compounds are interesting substances with broad biological activities.They have been also developed to be used as insecticides,herbicides,f

会议

Copper-Catalyzed Arylation-Cyclization of o-Alkynylphenyl Isothiocyanates to Generate Functional Qui

　　Diaryliodonium salts are environmentally benign regeants and widely used in the construction of arylated compounds.Herein,we developed a new copper-catalyze

会议

An Efficient Process for the Synthesis of Perfluoroalkylated Benzazepines

　　Benzazepine moiety occurs frequently in both natural and synthetic drugs and is of highly biological interest.The usage of this class of compound is not mer

会议

Copper-Catalyzed Aza-Wacker-Type Cyclizations of Allylic Carbamates and Ureas

会议

NHC-Catalyzed Annulation of 1H-Indol-2-yl-malonate with 2-Bromoenals:Enantioselective Synthesis of P

　　Hydropyrido[1,2-a]indole is a core skeleton existing in a large class of naturally bioactive polycyclic indole alkaloids,such as mersicarpine,tronocarpine a

会议

Synthesis of Novel Imidazo[2,1-b]benzothiazole Triazoles

　　Imidazobenzothiazole derivatives are very vital class of heterocycles distributed in nature and exhibit diverse biological activities.Here we have developed

会议

Synthesis of α,β-Unsaturated N-aryl ketonitrone from Oximes with Diaryliodonium Salt:Observation of

　　An efficient transition -metal free method for the preparation of α,β-unsaturated N-aryl ketonitrones under mild conditions has been developed.This reacti

会议

A Facile Synthesis of Coumarin-quinolone Hybrids as Potential Novel Antimicrobial Agents

　　Quinolones containing 3-carboxylic benzopyridone skeletons are an important kind of synthetic antibacterial agents as they are generally well tolerated with

会议

Tandem C-O and C-N bonds Formation Through O-Arylation and [3,3]-Rearrangement by Diaryliodonium Sal

　　Metal-free O-arylation and [3,3]-rearrangement have been showed as an efficient strategy to construct new C-O and C-C bond in one-pot reaction.Very recently

会议

GPC Determination of Dendrobium officinale polysaccharide molecular weight and purity

与本文相关的学术论文