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Tunel染色实操注意事项
1、Tunel检测固定注意事项(1)固定液建议使用4%的多聚甲醛(PBS)进行固定,不建议选用乙醇和甲醇,也不能选用甲醛替代,因为市面上购买得到的甲醛大多含有甲
2025-02-10 41 -
Tunel染色实验的常见问题与解决方法
问题一、荧光信号弱或没有荧光信号原因1:样本处理不当(1)样本切片太厚。建议适当将切片切薄一点,便于染色。(2)脱蜡和水化不充分。建议脱蜡先60ºC 20 mi
2025-02-10 47 -
什么是酵母双杂系统?
酵母双杂交系统是将待研究的两种蛋白质分别克隆(融合)到酵母表达质粒的转录激活因子(如GAL4等)的DNA结合结构域(DNA-BD)和转录激活域(AD)上,构建成
2025-02-10 28 -
酵母双杂详细操作步骤
一、构建重组Activation Domain(AD)融合的重组质粒(pGADT7载体)以及Binding Domain(BD)融合的重组质粒(pGBKT7载体
2025-02-10 51 -
酵母双杂实验注意事项
1、如果诱饵蛋白对酵母细胞是有毒的,该怎么办?在某些情况下,在液体培养基中培养不好的菌珠可以在固体培养基上生长得很好。首先重悬克隆于1mL的SD/–Trp,接着
2025-02-10 40 -
酵母双杂交常见问题及解决方法上
问题一:灭菌后酵母培养基颜色变成棕褐色怎么办?SD系列的培养基预混了葡萄糖,在灭菌过程中由于灭菌时间较长,或者灭菌后在高温条件下长时间放置,引起培养基中葡萄糖碳
2025-02-10 44 -
酵母双杂交常见问题及解决方法下
问题一:.酵母转化完成后可以用无菌水代替0.9%氯化钠溶液重悬菌体吗?可以的,生理盐水重悬的目的是为了维持渗透压,无菌水重悬酵母菌也可以,无菌水重悬后涂板和生理
2025-02-10 55 -
Optical Imaging of Cell Fusion and Fusion Proteins in C aenorhabditis elegans
Cell fusion is a very dynamic process in which the entire membrane and cellular
2025-02-10 36 -
Application of Magnetic Beads to Purify Cells Transiently Transfected With Plasmids Encoding Short H
Short interfering (si) RNAs are commonly used to knock down expression of protei
2025-02-10 33 -
Rat Osteoblast Cultures
This chapter describes the isolation, culture and staining of primary osteoblast
2025-02-10 33 -
Electron Microscopy and In Situ Hybridization: Expression of P2Y2 Receptor mRNA in the Cerebellum
This chapter describes a pre-embedding in situ hybridization method utilizing an
2025-02-10 34 -
Embryological Methods in Ascidians: The Villefranche-sur-Mer Protocols
Ascidians (marine invertebrates: urochordates) are thought to be the closest sis
2025-02-10 22 -
半桥粒(hemidesmosomes)
在桥粒连接中如果跨膜糖蛋白的细胞外结构域同与细胞外基质相连,形态上类似半个桥粒, 这种连接称为半桥粒。与桥粒连接相比有两点不同∶首先是参与连接的跨膜蛋白不是钙粘
2025-02-10 48 -
Endogenous Biotin in Rat Brain: Implications for False-Positive Results With AvidinBiotin and Strept
The interaction between avidin and biotin or streptavidin and biotin forms the b
2025-02-10 24 -
Studying the Structure of Microtubules by Electron Microscopy
Although the structures of individual proteins and moderately sized complexes of
2025-02-10 28