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  • The Estimation of mRNA Content by Poly(U) Hybridization

    The Estimation of mRNA Content by Poly(U) Hybridization

    The sequence of poly(adenylic) acid, present at the 3′ end of the majority of eu

    2025-04-25 8
  • Promoter analysis by saturation mutagenesis

    Promoter analysis by saturation mutagenesis

    Gene expression and regulation are mediated by DNA sequences, in most instances,

    2025-04-25 8
  • RNA的聚丙烯酰胺凝胶电泳

    RNA的聚丙烯酰胺凝胶电泳

    相关专题 一、原理 核酸(ribonucleicacid,RNA)分子在一定pH值的缓冲液中带有电荷,将其放入电场中,可向与其所带电荷电性相反的电极移动。聚丙

    2025-04-25 9
  • 乙氰菊酯(cycloprothrin)

    乙氰菊酯(cycloprothrin)

    对鱼类等水生生物低毒可用于水田的合成拟除虫菊酯杀虫剂。性能 原药为无色至暗黄色油状粘稠液体。几乎不溶于水,微溶于脂肪烃,易溶于丙酮、芳烃等大多数有机溶剂。对高等

    2025-04-25 8
  • Activation of SAPKs/JNKs and p38s In Vitro

    Activation of SAPKs/JNKs and p38s In Vitro

    The stress-activated protein kinases (SAPKs)/c-Jun N2 -terminal kinases (JNKs) a

    2025-04-25 8
  • 兔基质金属蛋白酶-2(MMP-2)酶联免疫分析

    兔基质金属蛋白酶-2(MMP-2)酶联免疫分析

    兔 基质金属蛋白酶 -2 (MMP- 2 ) 酶联免疫 分析试剂 盒使用说明书本试剂仅供研究使用 目的:本试剂盒用于测定兔血清,血浆及相关液体

    2025-04-25 7
  • Analysis of Cannabis by Supercritical Fluid Chromatography with Ultraviolet Detection

    Analysis of Cannabis by Supercritical Fluid Chromatography with Ultraviolet Detection

    Cannabis sativa L. and its products comprise a significant and important part of

    2025-04-25 11
  • A sensitive non-radioactive in situ hybridization method for the detection of chicken IgG -chain mRN

    A sensitive non-radioactive in situ hybridization method for the detection of chicken IgG -chain mRN

    We established a sensitive non-radioactive in situ hybridization (ISH) method fo

    2025-04-25 4
  • 发热的原因和机制

    发热的原因和机制

    第二节 发热的原因和机制一、致热原和激活物的概念传统上把能引起人体或动物发热的物质,通称为致热原(pyrogen)。根据来源又把致热原划分为外源性致热原和内生致

    2025-04-25 6
  • Preparation of Escherichia coli Samples for 2-D Gel Analysis

    Preparation of Escherichia coli Samples for 2-D Gel Analysis

    Escherichia coli has been studied for many years by two-dimensional polyacrylami

    2025-04-25 5
  • Use of Lectin for Detection of Agalactosyl IgG

    Use of Lectin for Detection of Agalactosyl IgG

    The immunoglobulin G (IgG) molecule contains two biantennary complextype oligosa

    2025-04-25 8
  • 桂花猕猴桃酱

    桂花猕猴桃酱

    猕猴桃虽然营养丰富,富含维生素C,但是果实的芳香气味不是很突出,所以在加工猕猴桃酱时加入桂花来增强芳香气味。加工技术如下: 1. 桂花加工:桂花是具芳香花卉,采

    2025-04-25 5
  • 透析

    透析

    透析是利用小分子能通过,而大分子不能通过半透膜的原理把它们分开的一种重要手段。通常的做法是将小分子和大分子的混合物放进用半透膜制成的透析袋里并沉没在大量的水中。

    2025-04-25 5
  • HPLC-UV快速检测原奶中的三聚氰胺

    HPLC-UV快速检测原奶中的三聚氰胺

    图1. 低浓度标样线性。三聚氰胺,简称三胺,分子式C3N6H6,是一种重要的氮杂环有机化工原料。由于三聚氰胺分子中含有大量氮元素,而普通的全氮测定法测奶粉和

    2025-04-25 13
  • 透析袋使用说 明

    透析袋使用说 明

    透析即用半透膜(透析袋)将大分子蛋白质分离出来。在生物大分子制备过程中除去盐、少量有机溶剂、生物小分子杂质和浓缩样品,透析法最简便。   技术指标:MWCO(截

    2025-04-25 5