生物知识 做免疫组化时脱片怎么办? 答:1、多聚赖氨酸玻片质量的问题,购买切片时要注意品牌质量。2、组织切的不好,切片机的问题例如比较老的旧的机器切的厚或者不均匀,或者切片者手法不好等。3、没烤好,时... 05月01日 发表评论 阅读全文
生物知识 裸鼠成瘤肿瘤长不出来怎么办? 答:1、肿瘤生长周期很慢,一周开始生长肿块,大约需要1~2个月才能长成肿瘤。2、细胞状态差,活力不好,或是肿瘤细胞不易成瘤,需加入Matrigel辅助或增大接种量或... 05月01日 发表评论 阅读全文
生物知识 A Cleanup Method for Mass Spectrometry of Sphingosine-1-Phosphate in Blood and Solid Tissues Using a Cleanup technology and mass spectrometric determination of sphingosine-1-phosphate... 05月01日 发表评论 阅读全文
生物知识 Release Testing of Retroviral Vectors and Gene-Modified Cells This chapter will review the design and execution of release testing requirements ... 05月01日 发表评论 阅读全文
生物知识 Fluorescence In Situ Hybridization on Single Cells: Sex Determination and Chromosome Rearrangements Fluorescencein situhybridization (FISH) is the technique of choice for preimplanta... 05月01日 发表评论 阅读全文
生物知识 Thin-Layer Chromatography of Phospholipids Thin-layer chromatography (TLC) is a technique that has been routinely used for th... 05月01日 发表评论 阅读全文
生物知识 Mouse Tissue Culture Models of Unstable Triplet Repeats Once into the expanded disease-associated range, trinucleotide repeat alleles beco... 05月01日 发表评论 阅读全文
生物知识 Measurement of Low-Molecular-Weight Carboxylic Acids in Ambient Air and Vehicle Emission by Capillar Within the last few years, capillary electrophoresis (CE), especially with indirec... 05月01日 发表评论 阅读全文
生物知识 Cultivation of Normal Human Epidermal Melanocytes in the Absence of Phorbol Esters An important approach in studies of normal, diseased, and malignant cells is their... 05月01日 发表评论 阅读全文
生物知识 Electron Microscopic Studies of Receptor Localization The localization and density of G-protein-coupled receptors (GPCRs) on the cell su... 05月01日 发表评论 阅读全文