A considerable number of transgenic or knockout mice in which epidermal keratinocy...
生物知识
生物知识
生物知识
Methods for Imaging Cell Fates in Hematopoiesis
Modern imaging technologies that allow for in vivo monitoring of cells in intact r...
生物知识
Propagation of Human Embryonic Stem Cells on Human Feeder Cells
Human embryonic stem (hES) cell lines are usually derived and propagated on inacti...
生物知识
关于琼脂糖凝胶电泳未出现条带的原因
——实验前：样品制备不当①纯度问题：RNA或DNA样品的纯度不够高，可能含有杂质如蛋白质、糖类或其他核酸，影响电泳结果。②浓度问题：样品浓度过低或过高都...
生物知识
Homeoprotein Intercellular Transfer, the Hidden Face of Cell-Penetrating Peptides
Cell-Penetrating Peptides (CPPs) are small peptides internalized by live cells, ga...
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COPⅠ被膜小泡(COPⅠcoated vesicle)
由外被蛋白Ⅰ(coat protein Ⅰ, COP Ⅰ )包裹的小泡。主要介导蛋白质从高尔基体运回内质网,包括从反面高尔基体运向顺面高尔基体,以及将蛋白质从反面高...
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Experimental Control and Characterization of Autophagy in Drosophila
Insects such as the fruit flyDrosophila melanogaster, which fundamentally reorgani...
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Transient Transgenesis in Xenopus laevis Facilitated by AAV-ITRs
A common approach to the study of gene function inXenopusembryos is to ectopically...
生物知识
琼脂糖凝胶电泳原理
一、基本原理琼脂糖凝胶电泳是一种基于电泳现象和分子筛效应的技术，主要用于分离和鉴定不同大小的DNA或RNA分子。其基本原理包括两个方面：①电泳现象：在电场中，带...
生物知识
Utility of Animal Models for Human Embryo Culture: Nonhuman Primates
Nonhuman primates are the closest relatives to humans and therefore our most evolu...
