ApricotDesigns_SPEforLCMSusingEVXfordrydown(Supelco)
ApricotDesigns_SPE for LCMS using EVX for drydown(Supelco)......阅读全文
ApricotDesigns_SPE－for－LCMS－using－EVX－for－drydown(Supelco)
ApricotDesigns_SPE for LCMS using EVX for drydown(Supelco)
Using－GenBank
GenBank(R) is a comprehensive database of publicly available DNA sequences for more than 205,000 named organisms and for more than 60,000 within t
Supelco样品瓶特价现货促销
Supelco样品瓶特价现货促销 优惠幅度低至5折，订量越多，价格越优惠，售完为止，欲购从速。 促销产品： 样品瓶：11.6 mm (O.D.)× 32 mm (H)× 6.0 mm (I.D.) 隔 垫：PTFE/红色橡胶 9 mm (diam.) × 1.0 mm(thick
Using－a－Counting－Chamber
Using a Counting ChamberFor microbiology, cell culture, and many applications that require use of suspensions of cells it is necessary to determine ce
Waters－LCMS导论
质谱是什么？质谱的历史LC/MS面临的挑战LC/MS分析流程示意图 http://www.antpedia.com/?uid-1119-action-viewspace-itemid-6107
lcms质谱仪原理
质谱仪又称质谱计。分离和检测不同同位素的仪器。即根据带电粒子在电磁场中能够偏转的原理，按物质原子、分子或分子碎片的质量差异进行分离和检测物质组成的一类仪器。质谱仪按应用范围分为同位素质谱仪、无机质谱仪和有机质谱仪。按分辨本领分为高分辨、中分辨和低分辨质谱仪；按工作原理分为静态仪器和动态仪器。中文名质
lcms－如何看
LCMS合格谱图的标准：1、UV谱图主峰的保留时间应大于2T0(进样峰时间)，并小于全部运行时间的4/5。2、UV谱图的吸收波长以客户指定波长为准（一般为220nm），弱紫外样品（紫外吸收在220nm是波谷，MS信号相对较强）可用ELSD谱图交货或以客户要求为准。3、UV谱图主峰吸收一般应高于100
lcms如何看
LCMS合格谱图的标准：1、UV谱图主峰的保留时间应大于2T0(进样峰时间)，并小于全部运行时间的4/5。2、UV谱图的吸收波长以客户指定波长为准（一般为220nm），弱紫外样品（紫外吸收在220nm是波谷，MS信号相对较强）可用ELSD谱图交货或以客户要求为准。3、UV谱图主峰吸收一般应高于100
lcms质谱仪原理
质谱仪又称质谱计。分离和检测不同同位素的仪器。即根据带电粒子在电磁场中能够偏转的原理，按物质原子、分子或分子碎片的质量差异进行分离和检测物质组成的一类仪器。质谱仪按应用范围分为同位素质谱仪、无机质谱仪和有机质谱仪。按分辨本领分为高分辨、中分辨和低分辨质谱仪；按工作原理分为静态仪器和动态仪器。中文名质
Deglycosylation－of－Glycoproteins－Using－Endoglycosidases
T.H. Plummer, Jr. and A.L. Tarentino, Department of Biochemistry, New York State Department of Health, Wadsworth Center for Laboratories and Research,
ChIP－using－plant－samples
实验概要 The immunoprecipitation (IP) of cross-linked chromatin with antibodies specific for certain histone modifications (chromatin immunoprecipitati
Method:－Cell－Counts－Using－a－Hemacytometer
Method: Cell Counts Using a HemacytometerJune 1, 1990Rosalie VeilePurpose:The purpose of this procedure is to determine the cell density of the cultur
ChIP－using－plant－samples－–－Arabidopsis
实验概要This protocol describes how chromatin is prepared from Arabidopsis, which can subsequently be used for chromatin immunoprecipitation (ChIP). T
Fluorescence－In－Situ－Hybridization－using－TSA™
实验概要This protocol describes steps for fluorescent in situ hybridization (FISH) to Drosophila embryos using Tyramide Signal Amplification (TSA™), and
RNA－extraction－using－trizol/tri
RNA extraction with TRIzol (Invitrogen product name) or the equivalent TRI (Sigma-Aldrich product name) is a common method of total RNA extraction fro
Extraction－of－DNA－using－DNAzol®－Reagent
实验概要DNAzol® Reagent (Genomic DNA Isolation Reagent) is a complete and ready-to-use reagent for the isolation of genomic DNA from solid and liquid sa
Transfection－of－Mammalian－Cells－Using－Lipofectamine
Materials: LipofectamineBasal Medium containing 10% fetal bovine serum, 1% glutamine, 1% aaBasal Medium containing 1% glutamineBasal Medium cont
Using－GenBank－for－Genomic－Authentication:－A－Tutorial
The GenBank database is perhaps one of the most important repositories of genetic information. A researcher working in the field of genomic authe
Supelco固相萃取产品年底用户回馈活动
Supelco固相萃取产品年底用户回馈活动 价格优惠低至8折 时间：2010年10月11日至2010年12月31日 活动期间凡从西格玛奥德里奇直销购买下面产品，将享受超值优惠 本活动最终解释权归西格玛-奥德里奇所有 客服/订购电话：800-819-3336；021-61415566-
Cloning－PCR－products－using－TA－vectors
Cloning PCR products using TA vectorsby Paul N. Hengen, Ph.D. *Methods and reagents is a unique monthly column that highlights current discussions in
Yeast－Gene－knockout－using－Oligo/PCR
Universal primers for gene knock-out using dominant drug markers: Kan, Clonat, and Hygromisin-B. Forward primer: 5’ TCAGGGGCATGATGTGACT 3’Reverse prim
Immunohistochemistry－using－AntiGanglioside－Antibodies
Immunohistochemistry using Anti-Ganglioside AntibodiesTadashi Tai~Head, Department of Tumor Immunology, The Tokyo Metropolitan Institute of Medical Sc
FACS－Analysis－Using－Peripheral－Blood－Cells
FACS Analysis Using Peripheral Blood CellsCollect blood (75 microliters) into 1ml PBS containing 5 microM EDTA (10 microliters of 0.5 M stock) and mix
Assay－of－Tyrosine－Kinases－Using－Synthetic－Peptides
实验概要 Small synthetic peptide substrates are especially well suited for applications such as assays of tyrosine kinases in permeabilized cel
Sitedirected－Mutagenesis－using－PCR
Site-directed Mutagenesis using PCRMichael P. Weiner, Tim Gackstetter, Gina L. Costa, John C. Bauer, and Keith A. KretzFrom: Molecular Biology: Curren
Detection－of－apoptotic－process－in－situ－using－immunocytochemical
1. INTRODUCTION Apoptosis was observed from invertebrates to lower and higher verterbrates, and intervenes both in physiological and in pathological
lcms分析方法建立的步骤
进行质谱参数优化(1) 配制相应化合物标准品溶液(尽可能使用单标,如无单标则需保证没有产生相同母离子子离子对的化合物存在): 配制浓度: 1ppm左右(浓度过大或过小均会影响优化结果)(2) 使用流动注射方式进行优化: 不连接色谱柱, 使用两通连接管路.液相条件:流动相 甲醇或乙腈: 水=1:1 (
lcms仪器最小分子量
LCMS是有机合成中重要的分析工具，解析LCMS谱图也是一项基本技能。 想了解更多有机知识，请点击上方蓝字或扫描文末二维码，关注我的公众号。 小蓝建了有机化学交流微信群，已有10000多名小伙伴参与，点击这里，马上加入 LCMS基本原理和特性 1）LCMS的特性：是HPLC和MS的结合，
Calcium－Flux－Measurement－Using－Indo1
实验概要Measure the calcium in cytosol with indo-1.主要试剂DMSO, Imonomycin, RPMI1640, PBS实验步骤1. Dissolve the contents of 1 vial (50 μg indo-1) in 50 μl dry