Preparationofphageparticlesfromphagevectors
Pick up one phage vectors-containing colony with a sterile loop and put into 10 ml 2xTY + 10 µg/l tetracycline.Shake at 200 rpm and 37 °C untill the OD600~ 0.5.Dilute bacterial culture into 200 ml 2xTY + 10 µg/l tetracycline (dilution 1:20).Shake at 200 rpm and 30 °C approximately 20 hours.Centrifuge the bacterial culture (10000 rpm, 30 min, 4 °C) and transfer the supernatant into 50 ml Falcon Tubes. Disc......阅读全文
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
DNA疫苗实验方法
For direct gene transfer of tibialis anterior (TA) muscle in mice: It is optimal to use 6-8 week old mice (weight 19-21 gm). Females give better immun
GST融合蛋白的准备
Preparation of Glutathione-S-Transferase (GST) Fusion ProteinsMargret B. Einarson and Elena N. Pugacheva Foxx Chase Cancer Center, Philadelphia, PA 19
Preparation－of－Polyacrylamide－Gels
1. Prepare 20X TBE as:216 g Tris Base110 g Boric Acid80 mL 500 mM EDTA, pH 8.0700 mL ddH2OMix. Bring volume to 1 L. Autoclave.2. Prepare Acrylamide so
Lambda－DNA－Preparation
Lambda DNA PreparationThis is a plate method that gives very good yield for cloning. I have combined the Promega and Maniatis protocols.Solutions T-TY
Preparation－of－Mouse－Neutrophils
实验概要Preparation of Mouse Neutrophils实验步骤Mice：8-16 weeks old malePrewarm buffer to room temperatureBuffer A : Ca2 /Mg2 ‐free Hank’s buffered saline so
PREPARATION－OF－SEQUENCING－GELS
MATERIALS:2-glass plates1 sharks -tooth comb and spacersWhatman 3 mm paper30 or 40% acrylamide-bis (19:1)10X TBEurea10% ammonium persulfateTEMED60 cc.
PREPARATION－OF－MICROINJECTION－PIPETTES
INJECTION AND HOLDING PIPETTESThe glass capillary tubing used should be thin walled, borosilicate glass without a fibre.e.g. Clark Electromedical Inst
Preparation－of－Agar－plates
Prepare media and add 1.5 agar before autoclaving it (15g per liter). After autoclavation, cool the media in a 55 degree waterbath. Do not allow the s
DGK－Membrane－Preparation
Reagents:Bacterial strainE. coli N4830/pJW10LB amp media50 µg/ml ampicillinHigh salt bufferfor 1 L50 mM KH2PO4 6.8 g150 mM KCl 11.18 g50 mM sodium pyr
Plasma－and－Serum－Preparation
实验概要Serum is the liquid fraction of whole blood that is collected after the blood is allowed to clot. The clot is removed by centrifugation and the
Preparation－of－human－platelets
Preparation of human platelets 1. Human blood was taken from drug-free volunteers on the day of the experiment using acidic citrate dextrose
Rat－Liver－Preparation
实验概要The procedure presented below describes a method for preparing rat liver.主要试剂1. Aluminum Foil2. Liquid Nitrogen3. Dry Ice4. Ph
CELL－MEMBRANE－PREPARATION
I. Solutions: A. Ca and Mg free Phosphate Buffered Saline (PBS) solution, buffered with 0.02M Hepes. pH=7.4 B. Ca and Mg free PBS, buffered with
Competent－Cell－Preparation
实验概要Competent cells are those that possess more easily altered cell walls that DNA can be passed through easily. These cells readily incorporate f
Metaphase－chromosome－preparation
Materials: RPMI 1640 medium fetal calf serum (FCS), 20% Colcemid (e.g. Boehringer Mannheim cell biology reagents, Best.-Nr. 295892) cell cuture flask
Preparation－of－Mouse－Neutrophils
实验步骤Mice：8-16 weeks old malePrewarm buffer to room temperatureBuffer A : Ca2 /Mg2 ‐free Hank’s buffered saline solution [HBSS; Invitrogen, Grand Isla
PCR－from－Tissue
collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOHput in boiling H2 O for 30 sec (optimum may n
PCR－from－Tissue
collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOHput in boiling H2O for 30 sec (optimum may ne
PCR－from－Tissue
1.collect piece of tissue (e.g., pieces of a leaf or flower) in Eppendorf tube containing 40 ml 0.25 N NaOH 2.put in boiling H2O for 30 sec (optimum
Preparing－Mitochondria－from－Rat－Liver
Liver is a convenient source for functional intact mitochondria for a number of reasons. Animal tissue is more readily homogenized than plant tissue b
DNA转染
DNA转染· Transfection of Mammalian Cells Using Lipofectamine (LTI)· Guide to Eukaryotic Transfections with Cationic Lipid Reagents (PDF)
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
Cesium－Chloride－Purification－of－T7
SummaryCleaner stocks of T7 that concentrates and purifies T7 bacteriophage.ProtocolGrow 100mL of permissive cells to a density of 108 to 109 cells/ml
病毒样颗粒疫苗(Viruslike－particles,VLP)简介
是一类具有病毒结构,没有病毒复制能力,较减毒疫苗和以病毒为载体的疫苗更加安全的疫苗种类。以病毒样颗粒形成的疫苗抗原可有效激发免疫应答和免疫保护效果,研发病毒样颗粒疫苗已成为埃博拉疫苗发展的重要方向。
Isolate－DNA－from－NRBC－Blood－from－Buccal－Swab－collected－with－filter－paper
实验概要DNA isolation from fish or avian blood sample can be difficult because it contains nucleated red blood cells. E.Z.N.A. NRBC Blood DNA Kit is de
Sample－preparation－(analytical－gels)
Sample preparation and solubilization are crucial factors for the overall performance of the 2-D PAGE technique. Protein complexes and aggregates shou
Midiprep－preparation－of－Plasmid－DNA
实验概要The PureLink™ HiPure Plasmid DNA Midiprep Kit allows purification of 100–350 μg of high-quality plasmid DNA from 15–25 mL overnight E. coli cul
Easy－YAC－Preparation－Method
YAC TRANSFORMATION OF C. ELEGANS USING TOTAL YEAST GENOMIC DNA[This method is described in The Worm Breeder's Gazette (1997) A. Davies and J. Shaw
Preparation－of－Sonicated－Human－DNA
Purpose:To break up high molecular weight human placental DNA into fragment sizes of 500 bp or less which can be used as competitor DNA in Southern an