Phosphate(Sodium)bufferChart
Phosphate (Sodium) buffer ChartStock solution A2 M monobasic sodium phosphate, monohydrate (276g/L)Stock solution B2 M dibasic sodium phosphate (284 g/L).Mixing an appropriate volume (ml) of A and B as shown in the table below and diluting to a total volume of 200 ml, a 1 M phosphate buffer of the required pH at room temperature. A B pH 92.0 8.0 0.890.0 10.0 5.987.7 12.3 6.085.......阅读全文
Histochemical－staining－of－sea－urchin－embryos－for－(AP)－enzyme－activity
Histochemical staining of sea urchin embryos for alkaline phosphatase (AP) enzyme activity1. Obtain embryo samples, tube of AP substrate buffer and tu
Protein－purification;－actin
Protein purification; actin Overview ACTINThe most abundant muscle and non-muscle cytoskeletal protein. MW 42 kDa, 374/375 amino acids; various
DNA－laddering－assay－for－treated－cells
Characteristics of this procedure:I found the procedure described by Gong et al. to be a convenient and successful method to detect DNA laddering in c
MitoProbe™－DiIC1(5)－Mitochondrial－Membrane－Potential－Protocol
实验概要Cationic cyanine dyes have been shown to accumulate in cells in response to membrane potentialand membrane potential changes have been studied i
Taq－DNA聚合酶（with－MgCl2－in－Buffer）使用说明
『注意事项』1. 长期储存（非频繁使用）于-70ºC；每天或每周使用储存于-20ºC。尽量避免多次冻融，勿暴露在温度波动较大之处，这些波动对产品的稳定性有一定影响。2. 建议在100l反应液中，酶的使用量为1~2.5l。过多酶量和过长的延伸时间可能会引起非特异扩增条带。3. 为
Flow－Cytometric－Analysis－Of－Bcl－Family－members
DescriptionCell Fixation, staining and flow cytometric analysis ProcedureCells (106) were washed twice in FACS buffer (phosphate buffered saline PBS p
Isolation－of－kidney－glomeruli－from－mice
Isolation of mice glomeruli1. Mice were anesthetized by an intraperitoneal injection of Avertin (2,2,2-tribromoethyl and tertiary amyl alcohol; 17
Protein－Syntheses－in－Cell－Free－Systems
LEVEL IIIMaterialsSuspension culture of fibroblast cells (1 liter)35 mM Tris-HCl, pH 7.4, 140 mM NaCl (TBS buffer)10 mM Tris-HCl, pH 7.5, 10 mM KCl, a
TUNEL－assay
PROTOCOL:•Deparaffinize and rehydrate slides:3 x 3´ Xylene3 x 2´ 100% ethanol1 x 2´ 95%, 80%, 70% ethanol (each)1 x 5´ 1x PBS•Microwave antigen retrie
Separation－of－Platelets－from－Whole－Blood
PurposeThis protocol describes how to isolate human platelets from whole blood. Isolated platelets are used for static adhesion assays, for flow chamb
IHC－Protocol－for－Fr...
实验概要The method provides a IHC protocol for free floating brain sections.实验步骤1. Coronal 30-40 µm sections cut on a freezing microtome. Sections colle
ORNL－MICROARRAY－HYBRIDIZATION－PROTOCOLS
Direct labeling of total RNA with Cy3 and Cy5:A. MATERIALSRNeasy® Mini Kit (Qiagen; Cat # 74106) SuperScript II RT (200U/µL) (Life Technologies; Cat #
蛋白分离的缓冲液系统(Laemmli－buffer－system－Laemmli)比较1
解离/非解离native缓冲液系统 很多应用蛋白质聚丙烯酰胺凝胶区带电泳（zone electrophoresis）的研究使用一种缓冲液系统，该系统的设计把所有的蛋白质分解成单一多肽亚单位。最常用的解离试剂是十二烷基硫酸钠（SDS）,一种离子型去污剂，它通过包围在多肽骨架的周围变性蛋白质。在
蛋白分离的缓冲液系统(Laemmli－buffer－system－Laemmli)比较2
堆积和pH值在SDS PAGE系统的相对的重要性 我们经常被问到，是否Novex®预制胶有浓缩胶，如果有，pH是多少。答案是肯定的，有浓缩胶（Novex®，Tris-glycine，和Trince胶)，但是浓缩胶和分离胶之间的pH值相同。 pH值的变化依赖于胶的成分。请参看每一个产品以确定pH值
Analysis－of－Oligosaccharide－Ligands
Analysis of Oligosaccharide Ligands by High Performance Liquid Affinity ChromatographyAnalysis of Oligosaccharide Ligands by High Performance Liquid A
Invitro－Phagocytosis－Assay－of－Macrophages
IntroductionThe term phagocytosis itself describes its mean phage = engulfment; cytosis: cell process. In other words, phagocytosis is the cellular pr
FlagHA－double－tag－IP
实验概要Isolate the unknown protein that could interact with bait from cell lysate, for potential Mass spectrometry.主要试剂50mM Tris, pH8.020 mM glycerol b-p
Intracellular－Immunofluorescent－Staining－for－Flow－Cytometry2
Table 2: Human Cytokines: Intracellular Staining Quick GuideHuman Cytokines: Intracellular Staining Quick GuideHuman CytokineCell SourceActivationIncu
ELISA－Inhibition－Assay
ELISA Inhibition AssaySensitize a 96-well microtiter plate with purified antigen.Prepare a solution of the purified antigen of interest in phosphate b
Human－Peripheral－Blood－Mononuclear－Cell－Preparation
This protocol describes a procedure for isolating human peripheral blood mononuclear cells (lymphocytes and monocytes) from a Buffy Coat (obtained fro
Whole－mount－TUNEL－analysis－of－Xenopus－embryos
Fixation and pretreatmentDejelly albino embryos carefully in 2% Cystein (pH 7.8).Remove the vitellin membrane with two pairs of tweezers (or c
Sphingosine－1Phosphate（1磷酸鞘氨醇，S1P）ELISA－Kit
描述: The S1P ELISA 是一种灵敏、可靠的生物样品中S1P定量的方法(96-well格式)。样本类型:血清/血浆，组织匀浆，细胞培养裂解液。样本的种类: S1P抗体可能不是特定的物种。S1P ELISA已经测试过人类、牛、马、山羊和小鼠的S1P。测定范围: 2 μM - 0.0625
Detection－of－apoptotic－process－in－situ－using－immunocytochemical
1. INTRODUCTION Apoptosis was observed from invertebrates to lower and higher verterbrates, and intervenes both in physiological and in pathological
Double－Digestion(双酶切反应)时Universal－Buffer(通用缓冲液)的...
Double Digestion(双酶切反应)时Universal Buffer(通用缓冲液)的使用表■ 说明使用二种酶同时进行DNA切断反应 (Double Digestion) 时，为了节省反应时间，通常希望在同一反应体系内进行。TaKaRa采用Universal Buffer表示系统，
Double－Digestion(双酶切反应)时Universal－Buffer(通用缓冲液)的...
说明使用二种酶同时进行DNA切断反应 (Double Digestion) 时，为了节省反应时间，通常希望在同一反应体系内进行。TaKaRa采用Universal Buffer表示系统，并对每种酶表示了在各Universal Buffer中的相对活性。尽管如此，在进行Double Dig
Large－Scale－Tubulin－Preparation——2
III. Pouring a 1L Phosphocellulose (PC) ColumnResin: Whatman P11 Cellulose Phosphate -- fibrous cation exchanger(1 gram of PC swells to about 4 ml pac
双酶切反应
双酶切buffer的选择： 1、U ：Supplied with its own unique reaction buffer that is different from the four standard NEBuffers. Its compatibility with the fou
Isolation－of－bone－marrow
(contributed by Chris Jackson (chris.jackson@bris.ac.uk))A protocol I have used to isolate rat bone marrow is: 1. Kill the rat and dissect out the fem
Nuclear－Extraction－Protocol
实验概要The procedure presented below describes a method for extracting nuclear from several cell lines of human origin.主要试剂Hypotonic Buffer Solution20 mM
酵母染色体沉淀分析方法
ABSTRACTThis protocol describes a method for the detection of proteins bound to specific regions of chromatin in yeast. There are many variations of t