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介绍提高shRNA转染效率的具体方法
1. 优化RNA序列㈠使用合适的启动子和终止子序列:这可以增强RNA的稳定性和目标基因的表达水平。㈡选择合适的引物设计:确保引物与RNA序列的互补性高,
2025-01-16 19 -
解锁shRNA序列设计的秘密【提升实验成功率】
一、明确设计目标首先,明确你的实验目标,即确定你想要沉默的目标基因。了解目标基因的功能和表达模式,有助于你更准确地设计shRNA序列。二、设计原则①特异性:
2025-01-16 13 -
琼脂糖凝胶电泳步骤
一、实验准备在开始实验之前,首先需要用蒸馏水将制胶模具和梳子冲洗干净,确保无杂质残留。随后,将模具放置在制胶平板上,并架好梳子,为后续的凝胶制备做好准备。①
2025-01-16 13 -
提供预防琼脂糖凝胶中核酸降解的方法
㈠、使用无核酸酶的试剂和耗材原理核酸酶能够降解核酸,因此使用无核酸酶的试剂和耗材可以有效避免核酸在制备和电泳过程中的降解。操作确保所有与核酸接触的器皿、溶
2025-01-16 11 -
琼脂糖凝胶电泳的上样量是多少?
一、上样量的基本范围琼脂糖凝胶电泳的上样量一般取决于琼脂糖凝胶的大小和浓度,以及DNA的浓度和纯度等因素。通常而言,上样量建议在0.1至1.0 μg之间。这个范
2025-01-16 20 -
Utility of Animal Models for Human Embryo Culture: Nonhuman Primates
Nonhuman primates are the closest relatives to humans and therefore our most evo
2025-01-16 11 -
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
2025-01-16 10 -
Transient Transgenesis in Xenopus laevis Facilitated by AAV-ITRs
A common approach to the study of gene function in Xenopus embryos is to ectopic
2025-01-16 11 -
Experimental Control and Characterization of Autophagy in Drosophila
Insects such as the fruit fly Drosophila melanogaster , which fundamentally reor
2025-01-16 14 -
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
2025-01-16 12 -
Homeoprotein Intercellular Transfer, the Hidden Face of Cell-Penetrating Peptides
Cell-Penetrating Peptides (CPPs) are small peptides internalized by live cells,
2025-01-16 12 -
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
2025-01-16 19 -
Propagation of Human Embryonic Stem Cells on Human Feeder Cells
Human embryonic stem (hES) cell lines are usually derived and propagated on inac
2025-01-16 10 -
Methods for Imaging Cell Fates in Hematopoiesis
Modern imaging technologies that allow for in vivo monitoring of cells in intact
2025-01-16 6 -
Establishment of Spontaneously Immortalized Keratinocyte Lines from Wild-Type and Mutant Mice
A considerable number of transgenic or knockout mice in which epidermal keratino
2025-01-16 8