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  • 核仁

    核仁

    真核细胞间期核中含有的 1个或几个球状小体,是转录 rRNA和组装核糖体亚单位的场所。光镜下观察活细胞,核仁为一均质的球体,总是位于核内某染色体的特定部位。电镜

    2025-03-07 28
  • 周期蛋白依赖性蛋白激酶(cyclin-dependent protein kinases, Cdks)

    周期蛋白依赖性蛋白激酶(cyclin-dependent protein kinases, Cdks)

    主要在细胞周期调控中起作用的蛋白激酶,由于受周期蛋白的激活而得名。真核细胞中主要有三种类型的周期蛋白依赖性的蛋白激酶。

    2025-03-07 24
  • Granzyme A、B介导的凋亡信号通路

    Granzyme A、B介导的凋亡信号通路

    相关专题 T细胞被激活后,释放含穿孔素与颗粒酶的颗粒,在Ca2+的借助下,颗粒在靶细胞膜 上穿孔,进而颗粒酶(granzyme)进入靶细胞内,引起靶细胞DNA

    2025-03-07 30
  • 真核细胞(eucaryotic cell)

    真核细胞(eucaryotic cell)

    构成真核生物的细胞称为真核细胞,具有典型的细胞结构, 有明显的细胞核、核膜、核仁和核基质; 遗传信息量大,并且有特化的膜相结构。真核细胞的种类繁多, 既包括大量

    2025-03-07 27
  • Collagen gel containing 3T3 fibroblasts (dermal equivalent for raft culture)

    Collagen gel containing 3T3 fibroblasts (dermal equivalent for raft culture)

    Collagen gel containing 3T3 fibroblasts (dermal equivalent for raft culture)Ingr

    2025-03-07 34
  • C带(C-banding)

    C带(C-banding)

    主要显示着丝粒结构异染色质, 及其它区段的异染色质部分。标本可用酸 (HCl)及碱〔Ba(OH)2 〕变性处理, 再经2xSSC在60℃中温育1小时, 最后用G

    2025-03-07 38
  • Multicolor BiFC Analysis of G Protein Complex Formation and Localization

    Multicolor BiFC Analysis of G Protein Complex Formation and Localization

    Cells co-express multiple G protein β and γ subunit isoforms, but the extent to

    2025-03-07 30
  • 荧光检测细胞支原体污染

    荧光检测细胞支原体污染

    相关专题DNA萤光染色法原理︰ 利用萤光染剂(bisbenzimide, Hoechst 33258)侦测支原体污染。此染剂会结合到DNA之Adenosine-

    2025-03-07 25
  • Production and Purification of Histidine-Tagged Dihydrotestosterone-Bound Full-Length Human Androgen

    Production and Purification of Histidine-Tagged Dihydrotestosterone-Bound Full-Length Human Androgen

    Protein purification and characterization is required for a full understanding o

    2025-03-07 34
  • 载脂蛋白(apolipoprotein B)

    载脂蛋白(apolipoprotein B)

    人的载脂蛋白有两种表达形式: apoB-48和apoB-100。该基因的序列在肝、肠组织细胞中是相同的,但产物不同。在肝细胞中,产物为4563个氨基酸残基的肽:

    2025-03-07 34
  • Fluorescence Techniques for Studying Membrane Transport Proteins: The P-Glycoprotein Multidrug Trans

    Fluorescence Techniques for Studying Membrane Transport Proteins: The P-Glycoprotein Multidrug Trans

    Fluorescence spectroscopic techniques have been widely applied to the study of s

    2025-03-07 35
  • Cell-Scatter Assay

    Cell-Scatter Assay

    Cell scattering is used to describe the dispersion of compact colonies of epithe

    2025-03-07 31
  • Cytoskeletal-Antigen Specific Immunoliposomes: Preservation of Myocardial Viability

    Cytoskeletal-Antigen Specific Immunoliposomes: Preservation of Myocardial Viability

    Pathological conditions such as hypoxia and inflammation can lead to the develop

    2025-03-07 31
  • MTT的替代产品—XTT,WST-1,CCK-8(WST-8)

    MTT的替代产品—XTT,WST-1,CCK-8(WST-8)

    站长注: 关于MTT实验的方案已在“MTT配制、原理、操作步骤、结果分析、注意事项等全面指南(配图片)”一文中做了详细说明,为了保证连贯性,这里再将MTT一并简

    2025-03-07 64
  • 叶绿体被膜(membrane envelope)

    叶绿体被膜(membrane envelope)

    叶绿体的外膜和内膜合称为被膜。叶绿体的外膜和内膜都是连续的单位膜, 每层膜的厚度为6~8nm, 内外两膜间有10~20nm宽的间隙, 称为膜间隙。与线粒体不同的

    2025-03-07 47