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薯蓣皂苷元的提取和鉴别
目的要求：1．掌握甾体皂苷元（亲脂性和中性成分）的提取方法。2．熟悉薯蓣皂苷元的性质及鉴定法。简介：薯蓣皂苷元（Diosgenin）是一种甾体皂苷元，分子式（C
2025-04-21 50 -
不同分子量蛋白质的分离——凝胶柱层析法
目的要求（1）了解凝胶柱层析的原理及应用。（2）掌握凝胶柱层析的基本操作技术。实验原理凝胶层析又称凝胶过滤，是一种按分子量大小分离物质的层析方法。该方法是把样品
2025-04-21 32 -
总糖和还原糖的测定:3,5－二硝基水杨酸法
目的要求 掌握还原糖和总糖的测定原理，学习用比色法测定还原糖的方法。 实验原理 在NaOH和丙三醇存在下，3,5－二硝基水杨酸（DNS）与还原糖共热后被还原生成
2025-04-21 44 -
成人呼吸窘迫综合征
成人呼吸窘迫综合征（adult respiratory distress syndrome, ARDS）是指在某些疾病过程中（例如创伤、烧伤、感染等）。特别是在
2025-04-21 38 -
Human Gangliosides and Bacterial Lipo-oligosaccharides in the Development of Autoimmune Neuropathies
Guillain–Barr� syndrome (GBS), the most frequent cause of acute flaccid paralysi
2025-04-21 30 -
茎用芥菜
属十字花科，二年生草本，为芥菜的一个变种。其茎基部膨大，叶子着生的基部突起，形成瘤状的肉质茎。它主要供加工腌制，其成品叫榨菜，为我国特产蔬菜之一。以四川栽培的茎
2025-04-21 32 -
applications of electroporation of adherent cellsIn Situ, on a partly conductive slide
Nontraumatic, simple, and reproducible procedures for the introduction of nonper
2025-04-21 30 -
Use of Residual Dipolar Couplings in Structural Analysis of Protein-Ligand Complexes by Solution NMR
Investigation of structure–function relationships in protein complexes, specific
2025-04-21 24 -
对流免疫电泳（counter immunoelectrophoresis，CIEP）
相关专题 【原理】 对流免疫电泳（counter immunoelectrophoresis，CIEP）是指在适宜缓冲液和电场条件下，抗原 和相应抗体在琼脂
2025-04-21 28 -
Choline Labeling and TNF Treatment of HL-60 C
Choline Labeling and TNF Treatment of HL-60 CellsContributor: Suprya JayadevDate
2025-04-21 22 -
Total Plasma Homocysteine Analysis by HPLC with SBD-F Precolumn Derivatization
Over the last two decades, various studies have shown that moderate and persiste
2025-04-21 23 -
Isolation of high quality RNA from bilberry (Vaccinium myrtillus L.) fruit
A simple and efficient method is described for isolating high quality RNA from b
2025-04-21 24 -
High-Performance Liquid Chromatography Analysis of CYP2C8-Catalyzed Paclitaxel 6-Hydroxylation
Paclitaxel (Taxol) is a naturally occurring member of the taxane family of antit
2025-04-21 23 -
Generating a Bacterial Genome Inventory: Identifying 2-D Spots by Comigrating Products of the Genome
Bacterial genomes range greatly in size, encoding from as few as 500 to more tha
2025-04-21 24 -
果汁饮料
果汁饮料由于品种不同，所含营养成分有所差异，因而对人体的保健作用也不尽相同。纯果汁饮料营养都比较丰富，热量不高；各种果汁饮料都含有多种维生素，含量最丰富的有维生
2025-04-21 37
