生物知识 RNA Interference and Antisense-Mediated Gene Silencing in Dictyostelium Knockouts by homologous recombination are frequently used to investigate the funct... 05月03日 发表评论 阅读全文
生物知识 限制酶和DNA 甲基化酶 限制酶特异性地结合于一段被称为限制酶识别序列的特殊DNA 序列之内或其附近的特异位点上,井在此切割双链DNA 。它可分3 类,分别是第一型(Type I)、第二型(... 05月03日 发表评论 阅读全文
生物知识 重叠延伸PCR实验 重叠延伸PCR实验重叠延伸PCR技术(gene splicing by overlap extension PCR,简称SOEPCR)由于采用具有互补末端的引物,使... 05月03日 发表评论 阅读全文
生物知识 SDS-PAGE的主要应用有哪些? SDS-PAGE原理蛋白质是两性电解质,在一定的pH条件下解离而带电荷。当溶液的pH大于蛋白质的等电点(pI)时,蛋白质本身带负电,在电场中将向正极移动;当溶液的p... 05月03日 发表评论 阅读全文
生物知识 Use of Green Fluorescent Protein (GFP) to Study Cellular Dynamics: Constructing GFP-Tagged Motor Enz The green fluorescent protein (GFP) from the Pacific Northwest jellyfishAequorea v... 05月03日 发表评论 阅读全文
生物知识 Measurement of Geminin Activity in Xenopus Egg Extracts Geminin is an unstable protein that inhibits DNA replication by interfering with t... 05月03日 发表评论 阅读全文
生物知识 Embryonic Stem Cells as a Source of Differentiated Neural Cells for Pharmacological Screens The process of bringing a new pharmacologically active drug to market is laborious... 05月03日 发表评论 阅读全文
生物知识 On-Line Concentration of Environmental Pollutant Samples by Using Capillary Electrophoresis This chapter reviews the theory and methodological developments of on-line concent... 05月03日 发表评论 阅读全文
生物知识 Scale-Up of Suspension and Anchorage-Dependent Animal Cells In this chapter, scale-up is described in a laboratory context (10–20 L), but the ... 05月03日 发表评论 阅读全文
生物知识 Conventional Micropipette-Based Patch Clamp Techniques The patch clamp technique revolutionized the study of ion channels and is consider... 05月03日 发表评论 阅读全文