SDSGelElectrophoresisofTubulin\MAPs
MaterialsStock Acrylamide: (30%T:0.8%C)30% by weight of acrylamide0.8% by weight of N,N'-bis-methylene acrylamideSeparation Gel (Final Concentrations)10% acrylamide (1:3 dilution of stock)0.375 M Tris-HCl (pH 8.8)0.1 % SDSStacking Gel (Final Concentrations)3 % acrylamide (1:10 dilution of stock)0.125 M Tris-HCl (pH 6.8)0.1% SDSElectrode Buffer0.025 M Tris0.192 M Glycine0.1% SDSAdjust pH to 8.30.2-0.3 ml samples o......阅读全文
甲醛洋菜胶体电泳（formaldehydeagarose－gel－electrophoresis）
甲醛洋菜胶体电泳 （formaldehyde-agarose gel electrophoresis）甲醛是一种常用的RNA 变性剂。在进行甲醛洋菜胶体电泳分析时，必须先配制含有甲醛的洋菜胶体，RNA 也必须先以甲醛及formamide 进行变性处理，以确保其二度结构充分被打开。由于甲醛可能
DNA酶切及凝胶电泳（gel－electrophoresis）2
三、试剂 1、5×TBE电泳缓冲液：配方见第一章。 2、6×电泳载样缓冲液：0.25% 溴粉蓝，40%(w/v) 蔗糖水溶液，贮存于 4℃。 3、溴化乙锭(EB)溶液母液:将EB配制成10mg/ml，用铝箔或黑纸包裹容器，储于 室温即可。 第三节 操作步骤 一、
Analysis－of－Proteins－using－Small－Format－2D－Gel－Electrophoresis
Preparation of protein samplesIntracellular virus proteinsThe following method has been developed principally for the analysis of intracellular protei
琼脂糖凝胶电泳（agarose－gel－electrophoresis）介绍
主要试剂：核酸电泳缓冲液有三种，即Tris-硼酸(TBE)、Tris-乙酸(TAE)和Tris-磷酸(TPE).TBE与TPE缓冲容量高，DNA分离效果好，但TPE在DNA段回收时含磷酸盐浓度高，容易使DNA沉淀.TAE缓冲容量低，但价格较便宜，因而推荐选用TBE.缓冲液中的EDTA可螯合二价阳离子
DNA琼脂糖凝胶电泳（agarose－gel－electrophoresis）分析
一、原理琼脂糖凝胶具有分子筛效应。在中性ppH值的电泳缓冲液体系中，DNA分子由于带负电荷，所以在电场作用下由负极向正极泳动。由于DNA分子的大小和构型不同，在相同的时间内迁移至不同的位置。凝胶经溴化乙锭染色后，紫外检测仪下观察，即可看见DNA片段按大小不同呈条带分布。由于在一定条件下，DNA的迁移
双向琼脂糖凝胶电泳（agarose－gel－electrophoresis）实验
【实验目的】了解和掌握双向电泳技术，并学习用它来研究与DNA 复制相关的问题。【实验原理】DNA 分子有线状的，还有一些非线状的，如复制叉和重组DNA 结构。双向琼脂糖凝胶电泳技术就是被人们开发用以研究一些非线状DNA 分子的。双向琼脂糖凝胶电泳技术(2-D gel)实际上可分为两类：中性/中性
琼脂糖凝胶电泳（agarose－gel－electrophoresis）检测DNA
原理： 琼脂糖是从海藻中提取出来的一种线状高聚物，可作为电泳支持物，适用于分离大小范围在0.2-50kb的DNA片段。DNA分子的迁移率与分子量的对数值成反比关系。观察其迁移距离，与标准DNA片段进行对照，就可获知该样品分子量大小。在质粒抽提过程中，由于各种因素的影响，使质粒DNA呈现超螺旋的共
DNA片段的琼脂糖凝胶电泳（agarose－gel－electrophoresis）
【原 理】琼脂糖凝胶电泳是重组DNA研究中常用的技术，可用于分离，鉴定和纯化DNA片段。不同大小、不同形状和不同构象的DNA分子在相同的电泳条件下（如凝胶浓度、电流、电压、缓冲液等），有不同的迁移率，所以可通过电泳使其分离。凝胶中的DNA可与荧光染料溴化乙锭（EB）结合，在紫外灯下可看到荧光条带，籍
质粒DNA的琼脂糖凝胶电泳（agarose－gel－electrophoresis）
带电荷的物质在电场中的趋向运动称为电泳。电泳的种类多，应用非常广泛，它已成为分子生物学技术中分离生物大分子的重要手段。琼脂糖凝胶电泳由于其操作简单、快速、灵敏等优点，已成为分离和鉴定核酸的常用方法。实验目的：掌握琼脂糖凝胶电泳的原理，学习琼脂糖凝胶电泳的操作。实验材料：质粒DNA、BAC、植物总DN
Protein－Electrophoresis
DefinitionAmino acids, nucleotides, polypeptides, and other compounds in a colloidal state can be separated by the application of external voltages wh
Lipoprotein－Analysis－Week－2:－Electrophoresis
Lipoprotein Analysis Week 2: Electrophoresis IntroductionSDS polyacrylamide gel electrophoresis (SDS PAGE) will be used to assess the purification pr
血清蛋白琼脂糖凝胶电泳(agarose－gel－electrophoresis)（二）
【操作】1、预染血清血清0.2ml中加苏丹黑染色液0.2ml，混合置37℃水浴中染色30分钟，离心（2000转/分）约5分钟。以除去悬浮于血清中染料沉渣。2、制备琼脂糖凝胶板将已配制好的0.5%琼脂糖凝胶于沸水浴中加热融化，用吸管吸取凝胶溶液浇注在载玻片上，约3 ml。静置半小时后凝固（天热时需延长
血清蛋白琼脂糖凝胶电泳(agarose－gel－electrophoresis)（一）
【原理】琼脂糖（agarose）是经过挑选，以质地较纯的琼脂（agar）作为原料而制成的。琼脂在化学上是由琼脂糖和琼脂胶组成的复合物。琼脂胶是一含有硫酸根和羟基的多糖，它具有离子交换性质，这种性质会给电泳及凝胶过滤以不良的影响。琼脂糖是直链多糖，它由D－半乳糖和3,6－脱水－L－半乳糖的残基交替排列
蛋白质电泳技术
Serum Protein Electrophoresis Tricine/Polyacrylamide Gel ElectrophoresisUsed for pilin processing analysis but generally useful for resolution of smal
聚丙烯酰胺凝胶电泳(polyacrylamide－gel－electrophoresis,PAGE)
配制 Tris- 甘氨酸 SDS-PAGE 聚丙烯酰胺凝胶电泳分离胶所用溶液 溶液成分 不同体积（ ml ）凝胶液中各成分所需体积（ ml ） 5 10 15 20 25 30 4
Typical－Western－Tra...
实验概要Peprotech provides a typical western transfer and development protocol.实验原理Western Transfer, also known as Western Blotting, is a rapid immunobl
Tubulin－Basics
I. Useful Values1 mg/ml tubulin = 10 µM (assuming MW of ab-tubulin heterodimer is 100,000; in reality it is ~110,000 but almost all tubulin labs use t
Preparation－of－tubulin
Although many protocols for tubulin preparation are available, the procedure described below is the simplest and highest yielding preparation I have d
Tubulin－Basics
I. Useful Values1 mg/ml tubulin = 10 µM (assuming MW of ab-tubulin heterodimer is 100,000; in reality it is ~110,000 but almost all tubulin labs use t
Recycling－Tubulin
Recycling TubulinWe "recycle" tubulin fractions stored at -80¡C after the PC column and store the recycled tubulin in small aliquots for day-to-day us
Tubulin－Preparat
Materials3 - 5 Fresh Pig Brains1 M GTP1 M Magnesium SulfatePM buffer =100 mM Pipes, pH 6.9 2 mM EGTA 1 mM Magnesium Sulfate2 mM DTTPM-4M Buffer =100 m
包涵体表达蛋白的纯化方法
Joseph SambrookPeter Maccallum Cancer Institute and The University of Melbourne, AustraliaDavid W. RussellUniversity of Texas Southwestern Medical Cen
MT－Spindowns－from－Extracts
MT Spindowns from ExtractsArshad DesaiNotes:The key variable in MT spindown experiments is ATP. Under high ATP conditions,conventional MAPs are select
Northern－Blotnorthern杂交
Northern BlotPreparation of Formaldehyde Agarose GelThe gel conditions (1% agarose, 1X MOPS, 6.3% formaldehyde) are designed for ~4 hours of electroph
Dry－Transfer－干法蛋白转膜
Trans-Bot SD Assembly1. Prepare the transfer buffer.2. Following electrophoresis, equilibrate the gels in transfer buffer. Equilibration facilitates
非变性胶蛋白电泳
Section 2.1Nondenaturing Polyacrylamide Gel Electrophoresis of ProteinsJohn M. Walker1. IntroductionSDS-PAGE (Section 2.2) is probably the most commo
蛋白质检测
· Protein detection (Aberdeen's Lab)The method used to locate the proteins following 2D-PAGE depends on the nature of the original sample.
Western－杂交
Western 杂交（主要内容如下）Preparing of Protein LysatesWestern BlottingFar Western BlottingSemi Dry BlottingStripping MembranesTrouble Shooting and OthersPrepa
Western－Blot－with－Platelet－Protein
OUTLINEWestern blot is a wide used technique to identify a target protein/s for the certain antibody.PROTOCOLPrepare platelets.Lyse washed platelets (
Immunofluorescent－Localization－of－Tubulin
LEVEL IIMaterialsCoverslip cultures of an appropriate monolayer cell linePhosphate buffered saline (PBS)Acetone/Methanol (absolute) in a 50:50 volume