CoIPProtocol2

Protocol1 调制protein A sapharoseprotein A sapharose 5ml 溶于20ml含0.02%NaN3的PBS离心2000转2分,去上清,在沉淀加0.02%NaN3的PBS,离心后去上清,重复2次,最后沉淀加20ml含0.02%NaN3的PBS,冷藏保存用单抗做一抗时,把protein A sapharose先用抗鼠Ig兔血清处理(每50ulprotein A sapharose用1-5ul血清)。旋转1-2h,混匀后,再离心1-2s去上清后,加PBS,vortex混合,离心去上清,重复二次加含0.02%NaN3的PBS到原来体积,冷存。避免长期保存。2.抗原的检出以下操作全在冰面或4度进行去除细胞培养液,用冷PBS洗一次。加RIPA,溶解后,转移到eppentube中用vortex混匀。RIPA的量:6cm的培养皿加1 ml(蛋白质的量为500mg/ml),组织块用液氮粉碎,在缓冲剂中捣......阅读全文

免疫沉淀-(IP)

实验概要免疫沉淀是一种纯化蛋白质的方法。将我们感兴趣的一种蛋白质的抗体与细胞提取液孵育,以使抗体和蛋白质在溶液中结合。然后用protein  A/G 耦合的琼脂糖凝胶,从样品中将抗体/抗原复合物提取出来。这种物理方法可将所需蛋白质从样品中分离。然后样品可以通过SDS-PAGE  进行分离并做 Wes

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

Protocol-for-Trichl...

实验概要The  efficiency of nucleotide incorporation in DNA/RNA polymerization  reactions (e.g. transcription, reverse transcription, and DNA  replication)

Dot-Blot-Protocol

a. Label nitrocellulose membrane (using a pencil) to identify protein elution fractions.b . Pipette 2μl from each fraction onto the membrane, allow th

Urea-Lysis-Protocol

Urea lysis buffer            9M Urea, 2.5mM EDTA, 2.5mM EGTA, 1% DTE, 4% CHAPS            make 10ml and aliquot 10x1ml, freeze at -70°C Lysate prepara

cDNA/AFLP-Protocol

Preparation of Para-magnetic beads from Promega cat#Z5482:a) suspend magnetic particles in bottle - transfer 200 ul (200 ug) of beads per sampleof RNA

Protocol-for-Cell-Fusion

Healthy Sp2/0 cells should be rapidly growing by this time. Sp 2/0 cells should be started about two weeks before the cell fusion. Every two days, the

Colony-PCR-Protocol

1. Pull out eight glycerol stock plates from the –80oC freezer and set on bench top to thaw. Be sure to remove the foil seal before leaving the plates

Cell-Extraction-Protocol

实验概要Primary tissues  are valuable tools for the study of intracellular and extracellular  markers which characterize disease states. We have developed

TAIL-PCR-Protocol

TAIL is a series of reactions that are intended to map where a T-DNA (transfer DNA) has inserted within the genome. The main components of the 3 react

Transformation-Protocol-for-Arabidopsis

Transformation Protocol for Arabidopsis – AbbreviatedGerminate seed in pots↓ 4 weeksStreak bacteria onto YM/MinA↓ 2-3 days 28°CSpray/dip bacterial sus

Cytotoxicity-Assays-Protocol

Cytotoxicity Assays ProtocolCell-mediated cytotoxicity was determined by using a standard microcytotoxicity assay. Briefly, target cells were pelleted

BrdU-Labeling-Protocol

实验概要The thymidine analog, 5-bromo-2-deoxyuridine (BrdU),is a common reagent used for cell proliferation assays and for the detection of apoptotic

Tissue-Harvest-Protocol

TISSUES TO BE PROCURED(minimally and preferably within 5-8 hours after death):1. Brain2. Liver3. Muscle4. Skin5: Others as the specific case dictatesP

Protocol-for-dsRNA-Synthesis

实验概要        We routinely produce dsRNA by in vitro transcription of a PCR generated DNA template containing the T7 promoter sequence on both ends

Intracellular-Staining-Protocol

1. Fix cells- Add16% formaldehyde directly into culture medium to obtain a final concentration of 1.5% formaldehyde.2. Incubate in fixative for 10 min

Sandwich-ELISA-Protocol

实验概要The  Sandwich ELISA measures the amount of antigen between two layers of  antibodies (i.e. capture and detection antibody). The antigen to be  mea

Protocol-of-Northern-blot

Protocol of Northern blot质粒的转化和扩增质粒的鉴定目的基因片段的切割3.1样品双酶切(175μl水解体系)DW 115μlBuffer B(10×) 17.5μlBaM H 15μlPst I 17μlDNA(MMP-9) 16μlBSA 4.5μl37℃水浴,3h。3.2

Nucleolar-Isolation-Protocol

We recommend that you first download and read this page as a PDF file. Using that as your guide, you can then follow the protocol below and view a Qui

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

Immunofluorescence-Microscopy-Protocol

实验概要Immunofluorescence  allows the imaging of a specific factor in cells or tissue sections  through the use of a specific antibody chemically which i

Dot-blot-protocol

实验概要A  technique for detecting, analyzing, and identifying proteins, similar  to the western blot technique but differing in that protein samples are

Yale-Immunofluorescence-Protocol

实验概要We provide a protocol for fixation, immunostaining, and imaging in 384-well Plates.主要试剂Reagents1. 384-well view plates (Aurora)2. HUVEC (pooled, L

Western-Blotting-Protocol

实验概要The western blot  (sometimes called the protein immunoblot) is a widely used analytical  technique used to detect specific proteins in the given s

Phycoerythrin-conjugation-protocol

Phycoerythrin conjugation protocolDavid's method modified from references (2) and (3). I used this method to conjugate a mouse IgG2a monoclonal an

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

Basic-ELISA-Protocol

实验概要        There are many different types of ELISAs, which can detect the presence of protein in serum or supernatent. One of the most common typ

RNA-Isolation-Protocol

RNA Isolation Protocol(Revised 5-15-2003)Stabilize RNAStart with 15 ml E. coli Culture containing 7.5* 109 cells (OD600= 0.2 Dilute cells or scale up)

Immunofluorescence-Microscopy-Protocol

实验概要Immunofluorescence  allows the imaging of a specific factor in cells or tissue sections  through the use of a specific antibody chemically which i

Silver-Staining-Protocol

1x 40min - overnight     50% MeOH, 12% Acetic Acid1x 30min                                  50% MeOH, 12% Acetic Acid, 0.05% 37% Formaldehyde3x 20min