EnzymeKineticsassayoftheWT
To assay 17 b-HSD activity in lysates, cells were harvested 48h after transfection using PBS Enzyme Free Cell Dissociation Solution ( specialty Media Inc., Lavellette, NJ), frozen on dry ice and stored at -80 C. Cell pellets were thawed on ice, resuspended in : * 10mM Tris-HCl(pH 7.4)/150mM KCL/1 mM EDTA/2mM Dithiothreitol (DTT) at protein concentration of 3-6 mg/ml, and snap-frozen on dry ic......阅读全文
Enzyme－Kinetics－assay－of－the－WT
To assay 17 b-HSD activity in lysates, cells were harvested 48h after transfection using PBS Enzyme Free Cell Dissociation Solution ( specialty Media
Restriction－Enzyme－Buffer
Restriction Enzyme Buffer Most enzymes can use REact buffers; however, some are made up separately. Use fresh Milli-Q water, siliconized or sterile gl
The－Restriction－Enzyme－Database
REBASE The Restriction Enzyme Database The Restriction Enzyme data BASE A collection of information about restriction enzymes and related proteins. It
Restriction－Enzyme－Digestion－of－DNA
Materials:10X restriction enzyme buffer (see manufacturer's recommendation)DNAsterile waterrestriction enzymephenol:chloroform (1:1)Add the follow
ELISPOT－(Enzymelinked－ImmunoSPOT)
IntroductionEnzyme-linked immunosorbent spot (ELISPOT) assays were originally developed to enumerate B cells secreting antigen-specific antibodies, bu
Assay－of－Tyrosine－Kinases－Using－Synthetic－Peptides
实验概要 Small synthetic peptide substrates are especially well suited for applications such as assays of tyrosine kinases in permeabilized cel
Motility－Assay
DescriptionVarious phenotypic characteristics are requiredfor a cancer cell to successfully complete the metastaticcascade. Among these, acquisition o
DGK－Assay
Buffers:- 2X buffer10 ml 0.5 M imidazol, pH 6.60.21 g LiCl1.25 ml 1 M MgCl21.0 ml 0.1 M EGTA, pH 6.6--> Bring volume up to 50 ml with distilled water.
Protease－assay
实验概要 In certain fruits, such as pineapples and mangoes, the flesh contains protein-digesting enzymes (proteases). These may play a part in
Chemotaxis－Assay
PurposeThe purpose of a chemotaxis assay is to determine whether your protein or small molecule of interest has chemotactic activity on a specific cel
Pectinase－assay
Pectinases are actually a mixture of enzymes, which, along with others such as cellulase, are widely used in the fruit juice industry where they are w
Protease－assay
In certain fruits, such as pineapples and mangoes, the flesh contains protein-digesting enzymes (proteases). These may play a part in helping to softe
Bradford－Assay
Bradford AssayThe bradford dye-binding assay is a colorimetric assay for measuring total protein concentration. It involves the binding of Coomassie B
MTT－Assay
This procedure is for cells in 96 well plates, if larger plates are used then adjust volumes accordingly.1 Make a solution of 5mg/ml MTT dissolved in
Phosphate－Assay
1. Make standards using sodium phosphate at the following uM concentrations: 0, 2, 5, 7, 10, 20, 40, 60, and 80. Use the screw top glass tubes.2. Dry
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
Bradford－Assay
The bradford dye-binding assay is a colorimetric assay for measuring total protein concentration. It involves the binding of Coomassie Brilliant blue
Aspartate－Assay
实验概要The Aspartate Assay Kit provides a simple, convenient assay to measure aspartate in a variety of samples. In the assay, aspartate is converted
Polygalacturonase－assay
This enzyme is famous for being involved in the development of the GMO tomatoes (more information from the link at the foot of this page). The cells o
国内首台IVIS－Kinetics落户天津生研院
通过仅仅两周的考察和论证，天津国际生物医药联合研究院就决定购买精诺真小动物体内成像系列的最新技术 IVIS Kinetics ，并且在一周内安装上国内第一台 IVIS Kinetics 仪器。这个技术不仅可以对动物体内的标记细胞和基因的成像中具有精诺真技术的高灵敏度和绝对定量性能，同时还能对
Apricot－Designs－PP5+1应用实验案例（二）
MethodsFigure 2. Predicting Systemic Clearance from In Vitro DataConclusionsA simplified 2-point, higher throughput 96-well assay can be used to ranka
Methods－for－the－Measurement－of－a－Bacterial－Enzyme－Activity－in－Cell－Lysates
AbstractThe kinetic characteristics and regulation of aspartate carbamoyltransferase activity were studied in lysates and cell extracts of Helicobacte
Steady－State－ATPase－Assays－Coupled－Enzyme－System
MaterialsTubulin (>5 mg/mL)100 mM Mg·GTP4 mM Taxol in DMSOPM =100 mM PIPES pH 6.82 mM EGTA1 mM Mg2SO4Motor protein (>95% purity; 15-20 µM)Cuvettes (20
凝乳酶（curdling－enzyme）的提取纯化
一、实验目的通过发酵液中凝乳酶的提取纯化，了解酶提取纯化的方法，学习凝胶层析法的工作原理和基本操作技术。二、实验原理凝乳酶是一种酸性蛋白酶，其主要的生物学功能是有限剪切Phe105- Met106连接的κ-酪蛋白，导致牛奶凝结，从而被广泛应用干酪生产中。有机溶剂对于许多蛋白质（酶）、核酸、多糖和小分
ELISPOT－(Enzymelinked－ImmunoSPOT)－实验方法步骤2
Cytokine ELISPOT ProtocolDescriptioneBioscience ELISPOT Ready-SET-Go! reagent sets contain the necessary reagents for performing enzyme linked immunos
DNA－methyltransferase－Assay
Methylated CpG island Amplification Protocol written by Minoru Toyota2. Materials2.1. MCARestriction enzymes SmaI, XmaIT4 DNA ligaseTaq DNA polymerase
Noble－Agar－Assay
DescriptionCancer cells do not show anchorage and contact inhibition of growth. To assess the anchorage and contact independent growth of cells, noble
Leaf－GUS－Assay
一、实验试剂 GUS Buffer (500 ml) 2.0478 g Na2HPO4 1.2688 g NaH2PO4 (=50 mM NaPi pH7.0) 10 ml 0.5 M EDTA (=10 mM) 0.5 g Triton X-100 0.5 g N-L
Bradford－protein－assay
Bradford protein assayConsiderations for useThe Bradford assay is very fast and uses about the same amount of protein as the Lowry assay. It is fairly
cell－proliferation－assay
cell proliferation assaybefore start:thaw cells from liquid nitrogen, grow in 75cc flask (T75) in Fischer's medium MM (maintenance medium) until c