cellproliferationassay
cell proliferation assaybefore start:thaw cells from liquid nitrogen, grow in 75cc flask (T75) in Fischer's medium MM (maintenance medium) until content gets cloudy and starts to turn yellow (usually want ~ 6 x 106 cells per T75), assay will be performed in 24-well-plate at concentration of 100,000 cells / well, each sample in triplicate.One day before assay:centrifuge cells, bring back to volume with Fische......阅读全文
Bradford－Assay
The bradford dye-binding assay is a colorimetric assay for measuring total protein concentration. It involves the binding of Coomassie Brilliant blue
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
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
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
Bradford－Assay
Bradford AssayThe bradford dye-binding assay is a colorimetric assay for measuring total protein concentration. It involves the binding of Coomassie B
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
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
Motility－Assay
DescriptionVarious phenotypic characteristics are requiredfor a cancer cell to successfully complete the metastaticcascade. Among these, acquisition o
用基于荧光的方法来评价细胞的增殖
简介体外监测细胞的增殖对于基础研究和应用研究都极有价值并有潜力应用在临床领域。 3H-thymidine 或 5-bromo-deoxyuridine (BrdU, 胸苷的类似物 ) 掺入法是确定培养细胞的增值率的传统方法，这主要是因为几乎没有更方便的替代方法。因而人们投入了大量的精力来开发一种快速
Critical－Appraisal－of－the－MTT－Assay－in－the－Presence－of－Rottlerin－1
Rottlerin is a natural product isolated from Mallotus philippinensis. This polyphenolic compound, originally described as a selective inhibitor of PKC
LOWRY－PROTEIN－ASSAY
The Lowry procedure is one of the most venerable and widely-used protein assays, being first described in 1951 [Lowry et al., J. Biol. Chem. 193: 265-
Glucosamine－Rapid－Assay
Glucosamine Rapid AssayMRTHOD:Place sample (containing 0.5 - 10 µg GlcN) in a Pyrex screw capped tube.Add HCl to a final concentration of 2N and a fin
Actin－Capture－Assay
David AmbergDialyze purified GST fusion proteins and actin into PBS + 1mM MgCl2 .Mix 5ug actin into 50ul total volume binding buffer.Mix 5ug GST-fusio
Assay－for－the－Micrococcal－Nuclease
Method: Essentially that described by Heins et al. (1966) based upon the release of acid soluble oligonucleotides following nuclease digestion of DNA.
Needle－Assay－for－Chemotaxis
Devreotes Lab, John Hopkins Medical Institutions http://www.hopkinsmedicine.org/cellbio/devreotes/needle.htmEquipment and chemicalsZeiss inverted micr
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
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
BIURET－PROTEIN－ASSAY
BIURET PROTEIN ASSAYMATERIALSBiuret ReagentBovine serum albumin (BSA)Spectrophotometer and tubesPROCEDUREPrepare standard dilutions of BSA containing
Adhesion－Assay－Protocol
Materials to be prepared beforehand:1) Washing Buffer--0.1% BSA in medium (DMEM or RPMI)2) Blocking Buffer--0.5% BSA in medium (DMEM or RPMI)3) Lamini
Tube－formation－assay
DescriptionThis is a fast and easy assay to test the angiogenic/anti-angiogenic properties of molecules. As compared to other angiogenesis assays, suc
DNA－methyltransferase－Assay
Methylated CpG island Amplification Protocol written by Minoru Toyota2. Materials2.1. MCARestriction enzymes SmaI, XmaIT4 DNA ligaseTaq DNA polymerase
Migration－Assay－Protocol
Materials to be prepared beforehand:1) FBS free medium2) 10% FBS medium3) Cell migration filter insert ( Transwell®, 12mm Diameter, 12 μm Pore Size.)P
Assay－of－Phospholipase－A－Activity
Phospholipases of the A type constitute a large family of esterases that catalyze the hydrolysis of the fatty acid ester bonds in phospholipids an
Pheromone－Halo－Assay
-Use sterile technique and sterile solutions throughout this method.-1. Grow a starter culture at 30 C with shaking (250 rpm) until it reaches saturat
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
HISTONE－KINASE－ASSAY
PROTOCOLTo 1.5 mL eppendorf tubes add:200 µg of protein extract (see Western blot protocol for protein sample preps)q.s. to 300 µL with RIPA (with pro
In－vitro－Sphingomyelinase－Assay
Reagents:Lysis buffer25 mM Tris-HCl, pH 7.45 mM EDTA1 mM ATP20 µg/ml CLAP1 mM PMSFBuffer A10 mM MgCl20.2 M Tris-HCl, pH 7.40.2 % Triton X-100Buffer B0
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
Protein－Assay－(Spectrophotometer)
Protein Assay (Spectrophotometer)Use BSA (bovine serum albumin) 1mg/ml stock solution (1ml Eppendorf tubes) for standard curve.Place 0, 2, 5, 10, 15,
Wound－healing－assay
The wound healing assay allows the researcher to study cell migration and cell interactions. In some cases also single cell migration can be analyzed.