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  • Phenolic Acids and Flavonoids: Occurrence and Analytical Methods

    Phenolic Acids and Flavonoids: Occurrence and Analytical Methods

    Phenolics are structurally assorted and are generally part of a complex mixture

    2025-05-13 42
  • Live Cell Imaging of Chemotactic Dendritic Cell Migration in Explanted Mouse Ear Preparations

    Live Cell Imaging of Chemotactic Dendritic Cell Migration in Explanted Mouse Ear Preparations

    Leukocyte migration through the interstitial space is crucial for the maintenanc

    2025-05-13 35
  • Iodogen碘化法

    Iodogen碘化法

    1.原理 用Iodogen为氧化剂,对蛋白质和多肽抗原进行碘化标记,把125I直接引进分子中的酪氨酸残基上。标记过程中被标记样品不与Iodogen混合,标记后取

    2025-05-13 76
  • 水解酪蛋白(MH)琼脂培养基如何配制?

    水解酪蛋白(MH)琼脂培养基如何配制?

    1.营养肉汤培养基   牛肉膏 0.3克  蛋白胨 1.0克  NaCl 0.5克  水 100毫升  pH 7.0~7.2  在烧杯中加水,称取牛肉膏、蛋白胨

    2025-05-13 44
  • 聚丙烯酰胺凝胶电泳法

    聚丙烯酰胺凝胶电泳法

    1.仪器装置 通常由稳流电泳仪和圆盘或平板电泳槽组成。其电泳室有上、下两槽,每个槽中都有固定的铂电极,铂电极经隔离电线接于电泳仪稳流挡上。2.试剂 (1)溶液A

    2025-05-13 54
  • Working with RNA

    Working with RNA

    Working with RNA is not a special discipline in molecular biology. However, RNA

    2025-05-13 34
  • 琼脂糖凝胶电泳法

    琼脂糖凝胶电泳法

    1.仪器装置 电泳室及直流电源同纸电泳。 2.试剂 (1) 醋酸-锂盐缓冲液(pH3.0) 取冰醋酸50ml,加水800ml混合后,用氢氧化锂调节pH至3.0,

    2025-05-13 44
  • 纸电泳法

    纸电泳法

    1.仪器装置 包括电泳室及直流电源两部分。 常用的水平式电泳室装置如图,包括两个电泳槽A和一个可以密封的玻璃(或相应材料)盖B;两侧的电泳槽均用有机玻璃(或相应

    2025-05-13 37
  • 柠檬脯

    柠檬脯

    这是果脯蜜饯类食品,原料是柠檬盐胚。加工技术如下: 1.原料处理:咸柠檬脱盐,经浸水处理,采用流动水脱盐和经常换水脱盐时间大大缩短,否则用静水浸泡所需时间较长,

    2025-05-13 34
  • Construction of Lambda Libraries from Large PFGE Fragments

    Construction of Lambda Libraries from Large PFGE Fragments

    Pulsed-field gel electrophoresis (PFGE) has the capacity to fractionate large fr

    2025-05-13 37
  • Kinetic Measurements for Enzyme Immobilization

    Kinetic Measurements for Enzyme Immobilization

    Enzyme kinetics is the study of the chemical reactions that are catalyzed by enz

    2025-05-13 33
  • Vacuum-Microwave Combination for Processing Plant Tissues for Electron Microscopy

    Vacuum-Microwave Combination for Processing Plant Tissues for Electron Microscopy

    Preparation of botanical specimens for electron microscopy (EM) is hampered by s

    2025-05-13 44
  • 基因表达适应环境的变化

    基因表达适应环境的变化

    生物只有适应环境才能生存。当周围的营养、温度、湿度、酸度等条件变化时,生物体就要改变自身基因表达状况,以调整体内执行相应功能蛋白质的种类和数量,从而改变自身的代

    2025-05-13 52
  • Lectin affinity electrophoresis

    Lectin affinity electrophoresis

    Lectin affinity electrophoresis is a powerful technique to investigate the inter

    2025-05-13 42
  • 柠檬李

    柠檬李

    新鲜李果一般风味欠佳,鲜食优良品种除外,大多数品种由于不耐贮藏而把它们加工成半成品盐胚,再加工成不同风味的凉果。为什么会有柠檬李制品?这是由于李胚本身除了咸、酸

    2025-05-13 37