The Ras superfamily of small GTPases is composed of more than 150 members, which s...
生物知识
生物知识
生物知识
Cell Thawing/Cell Freezing Protocol
Freezing Cells:Cells should be growing well or known to be in log phaseCount, coll...
生物知识
Quantification of mtDNA Mutation Heteroplasmy (ARMS qPCR)
Pathogenic mitochondrial DNA (mtDNA) mutations are usually present in heteroplasmi...
生物知识
Q带(Q-banding)
又叫荧光分带法。用氮芥喹吖因(quinacrine)荧光染料染色, 在紫外光激发下,显现明暗不同的带区,可在荧光显微镜下观察。一般富含AT碱基的DNA区段表现为亮带...
生物知识
Altered Expression of NFkB in Ex Vivo Differentiated Dendritic Cells from the Aged Subjects: Implica
Dendritic cells are the key initiators and organizers of the immune response. They...
生物知识
ATP合酶(ATP synthase)
ATP或称F0F1 复合物(F0F1 complexes), 该酶在分离状态下具有ATP水解酶的活性,在结合状态下具有ATP合酶的活性, 属F型ATPase。除了线...
生物知识
完全桥粒(desmosome)
又称为斑点粘着(maculae adherens),是最常见的连接方式，主要存在于上皮组织,如皮肤和肠组织。桥粒连接的形态象圆盘,直径大约为1μm,桥粒连接能赋予组...
生物知识
卡尔文循环(Calvin cycle)
卡尔文通过实验发现的CO2在光合作用中被固定的一种途径, 在这一途径中CO2的固定是一个循环过程, 故称为卡尔文循环。在卡尔文循环中, 固定CO2产生的中间体是三碳...
生物知识
Analysing Steroid Modulation of BKCa Channels Reconstituted into Planar Lipid Bilayers
A number of recent studies have described the activation of BKCa channels by stero...
生物知识
Stem Cell Identification by DyeCycle Violet Side Population Analysis
Hoechst side population (SP) analysis remains a critical technique for identifying...
