資訊中心NEWS CENTER
在發(fā)展中求生存，不斷完善，以良好信譽和科學(xué)的管理促進(jìn)企業(yè)迅速發(fā)展
運動粘度計是用于測量液體在特定溫度和壓力下的運動粘度的儀器。運動粘度是流體的動力粘度與同溫度下該流體密度之比，單位為平方米每秒(m/s)，但在實際應(yīng)用中，更常使用平方毫米每秒(mm/s)作為單位，測試原理基于牛頓流體的流動特性，在某一恒定的溫度下，通過測定一定體積的液體流過毛細(xì)管...
INTRODUCTIONTheN-α-Fmoc-α-aminoisobutyricacidderivative（Aib）isadifficultderivativeforcouplinginSPPSduetoitssecondmethylgroupontheα-carbonthatinterfereswiththecouplingreaction（Figure1）.However,itcanbefoundinanumberofbiologicallyrelevantcompo...
查看詳情INTRODUCTIONTheAKR/Grossmurineleukemiaviruses（MuLV）areC-typeretrovirusesthatcausethedevelopmentofleukemiainAKR（H-2k）mice.1Type-specificantiretroviralcytotoxicT-lymphocyte（CTL）responseshavebeenreportedthatallowdifferentiationbetweeninfection...
查看詳情INTRODUCTIONInthedevelopmentofantibodiesdirectedagainstspecificpeptidesequences,T-helperepitopesareoftentaggedontothepeptidesequencetoaidinthestimulationoftheimmuneresponse.OnesuchsequenceistheuniversalPanHLADR-bindingepitope（PADRE）.Synthes...
查看詳情INTRODUCTIONOnechallengefacingpeptidesynthesisisthe-lactamformationofarginine（Figure1）.Theformationof-lactamoccurswhentheinternalnitrogenoftheguanidineattackstheactivatedester,irreversiblyformingthelactamring.Thisreactioniscompetitivewithpe...
查看詳情INTRODUCTIONOnepotentialissueinpeptidesynthesisisracemizationofcysteineａndhistidine.Thisisaconcernformicrowavepeptidesyntheisbecauseoftheelevatedtemperaturesduringdeprotectionａndcoupling.Studieshaveshownthatloweringthetemperatureto50°Cdurin...
查看詳情INTRODUCTIONVIP（vasoactiveintestinalpeptide）,apeptidehormone,hasbeenimplicatedinanumberofbiologicalprocessesincluding:increasingdigestivesystemmotility,stimulatingpepsinogensecretion,controllingthemammaliancircadiantimekeepingmachinery,regu...
查看詳情
SCROLL
聯(lián)系人：高
座機：010-65528800
地址：北京市朝陽區(qū)吉慶里14號佳匯國際A202室
快速導(dǎo)航
產(chǎn)品系列
產(chǎn)品推薦
Copyright©2025 培安有限公司 版權(quán)所有 All Rights Reserved 備案號：京ICP備17026558號-1 總訪問量：433102
技術(shù)支持：化工儀器網(wǎng) 管理登錄 sitemap.xml
手機：010-65528800