分泌到细胞外后只能作用于邻近细胞的信号分子称为旁分泌信号。如生长因子(growth factors)蛋白就是局部介质,它能够调节多细胞生物的细胞生长和分裂,作用的靶...
生物知识
生物知识
生物知识
红细胞裂解液的若干配制方法
配制试剂所需材料： 1. Ammonium Chloride 10x Lysing Concentrate Solution a) NH4Cl 80 g b) KH...
生物知识
Intracellular Delivery of Nanoparticles with CPPs
Cell-penetrating peptides (CPPs), in particular TATp, have been widely used for in...
生物知识
Induction of Tumor Cell Apoptosis and Chemosensitization by Antisense Strategies
Radiation and traditional chemotherapy kill both normal and tumor cells owing to l...
生物知识
Method for Purification of Human Hematopoietic Stem Cells by Flow Cytometry
Human hematopoietic stem cells (HSCs) and progenitors can be isolated by enriching...
生物知识
大肠杆菌杂交
相关专题 一、实验原理Lederberg和Tatum（1946）选用典型的大肠杆菌为材料，筛选营养缺陷型。利用双重和三重缺陷型的菌株，在简单的合成培养基上混合培养，...
生物知识
Isolating primary B cells from human blood
1. start with freshly drawn human blood not older than 8 hours, treated with an an...
生物知识
Definitions and Criteria for Stem Cells
The working definition of a stem cell includes self-renewal and the ability to dif...
生物知识
Lyophilization of Nonviral Gene Delivery Systems
This chapter presents a qualitative description of the freeze-drying process as it...
生物知识
细胞电泳
在一定PH值下细胞表面带有净的正或负电荷，能在外加电场的作用下发生泳动，这种现象称为细胞电泳（cell electrophoresis）。引起细胞电泳的电位值称为ξ...
