生物知识 Use of a Hemacytometer A hemacytometer (also spelled hemocytometer) is an etched glass chamber with raise... 05月03日 发表评论 阅读全文
生物知识 Derivation and Maintenance of Embryonic Stem Cell Cultures The ability to derive permanent tissue culture lines (1 ) of pluripotential stem c... 05月03日 发表评论 阅读全文
生物知识 Ectopic Expression in Drosophila Ectopic expression inDrosophilahas been used extensively to examine the capabiliti... 05月03日 发表评论 阅读全文
生物知识 Coupling of Nuclear Localization Signals to Plasmid DNA This chapter focuses on a methodology for covalently associating nuclear localizat... 05月03日 发表评论 阅读全文
生物知识 Immunolabeling of Embryos The molecular mechanisms controllingDrosophilaembryogenesis are among the best-stu... 05月03日 发表评论 阅读全文
生物知识 Histone Chaperone as Coactivator of Chromatin Transcription: Role of Acetylation Histone chaperones are a group of histone-interacting proteins, involved in severa... 05月03日 发表评论 阅读全文
生物知识 Epigenome Analysis of Pluripotent Stem Cells Mis-regulation of gene expression due to epigenetic abnormalities has been linked ... 05月03日 发表评论 阅读全文
生物知识 Genetic Manipulation of Corneal Endothelial Cells: Transfection and Viral Transduction The corneal endothelium plays a key role in the physiology of the cornea, maintain... 05月03日 发表评论 阅读全文
生物知识 兼性异染色质(facultative heterochromatin) 指在一定的细胞类型或一定的发育阶段呈现凝集状态的异染色质。在一定时期的特种细胞的细胞核内, 原来的常染色质可转变成兼性异染色质。如雄性个体的细胞含有一个瘦小的Y染色... 05月03日 发表评论 阅读全文
生物知识 Producing Soluble Recombinant RNases and Assays to Measure Their Interaction with Interferon- In Vit Many cytokines alter the half-lives and stabilities of mRNAs for other cytokines (... 05月03日 发表评论 阅读全文