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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 " G8 } {9 n; L# t8 h5 m
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Introduction 1' x/ G0 D! }" {
Western Blotting Overview 2-3
: ?% n4 ~- G ^6 \- m' \; [+ w# A- a6 IStep 1 – SDS-PAGE ( a5 y, ~/ B1 ?$ M6 {
Thermo Scientifc Precise Protein Gels 4
4 w3 n* G; V$ e- f; ~ Molecular Weight Markers 5-66 d9 S/ H" B( v4 v5 S0 R6 S
Step 2 – Electro-Transfer 3 i/ \( {2 M; e
Thermo Scientifc Pierce Fast Transfer System 7
7 E6 S3 e% ^0 ~2 o% k Transfer Buffers 8 ; h7 F+ w p/ g8 W# M( P# J" ?
Filter Paper for Blotting 8
- T) I1 H N1 m5 @4 k' w& J. J PVDF and Nitrocellulose Membranes 9
6 n/ d) k! [8 }5 n/ I% M) b/ I Thermo Scientifc Pierce Protein Stains 9
6 \# ~4 S$ Q1 N: S$ |/ F0 z for Membranes ! ~) G& S' W, J- X! d
Antibody Extender Solution NC 10 , j5 R# |+ N* j9 [
Western Blot Signal Enhancer 11
+ w0 R3 |$ x6 aStep 3 – Blocking 8 t5 j* j5 V& @ |: e% S7 E q$ T
Introduction 12 . \( C5 z g/ K
Blocking of Nonspecifc Binding Sites on 12 # o) w0 H, W: g
Transfer Membranes
& w7 R/ U+ h. e% s2 g1 n Blocking Buffer Optimization 12-13 5 c7 u& H+ x0 R" u2 R
Blocking Buffers 13-16 s6 A5 L" s9 Y9 F7 O
Step 4 – Formulate Wash Buffers % c1 k3 e4 u- P' C* E- a
Washing the Membrane 17 - Q* y$ t" @3 P# f: j
Wash Buffers 17! O( a% Y! X9 W; D8 c9 ?
Step 5 – Detection Reagents
* ^, @2 A2 C9 v: g' \ Validated Primary Antibodies 18-19 ' N3 [7 w. O# T: a: S& G) t+ z- e$ [
Affnity-purifed Antibodies 20 ; N L" ]+ y$ K
Stabilized HRP Conjugates 21 % B" l$ @$ e7 s! Y7 x" P) W
Thermo Scientifc DyLight 22 2 x4 K$ q+ }+ m8 }; z' I
Fluor Conjugates
% u& M4 e" h; P8 c! J# G Conjugate Stabilizer Solutions 22
. q9 z1 ~4 Y; \+ |8 o Thermo Scientifc DyLight-labeled Highly 23 , A! N- c* o* Z' |" A
Cross-Adsorbed Secondary Antibodies
5 S$ I8 N" w: D( m$ O0 ~2 V Antibody Storage and Stabilizer Solutions 24
( E# G; ~% N8 p) x: e Secondary Antibody Ordering Table 25-26
" G* v: U! t- X7 S3 f' {. Z Thermo Scientifc Clean-Blot IP 28-29 * v' L3 P7 A/ O
Detection Reagents 0 \9 a9 q0 |( h; b
Protein A, G, A/G and L Conjugates 30 / K1 {) @" L0 _6 q3 y9 q
Thermo Scientifc NeutrAvidin, Streptavidin 31-33 . I% u" u! P' q" F
and Avidin Conjugates$ z( V7 a' k% O2 o; r2 P- M
Step 6 – Enzyme Substrates / [) Z! k8 M: U) w: i, J$ w
Chromogenic Substrates 34-35 ) N! `+ q/ |* H$ u; x, E5 _3 M I6 Z
Thermo Scientifc Chemiluminescent Substrates 36-43
( C2 P" k2 L& S4 B0 A. k9 Z Pierce ECL Substrate 37 ' {3 X) a3 y3 r! o+ c" Z. H W/ L! n
SuperSignal Chemiluminescent 38-42 7 J3 W, W9 B+ V# X
Substrates and Kits
. Z# @, V& h4 G Lumi-Phos™
/ N! V3 w/ I3 s7 T e/ k Chemiluminescent Substrate 43 * e3 Z, @: W/ l {# U) p
Quick Reference Substrate Guide 43
) r* a* z) Q6 ?3 |0 _) C: X* O, o1 U' aFast Western Blotting Kit 44
, U9 \* Y, j! b# K& a/ {! {' iSpecialized Western Blotting Kits 45-48
7 X# z0 O! R, h E. K( s1 S Thermo SuperSignal West Pico HisProbe Kit 45
( j4 E5 J3 J( k Pierce O-GLcNAc Western Blotting Detection Kit 46
+ v& V2 R- O' q Thermo Scientifc DyLight 549/649 46-47
/ i2 V. c/ ^3 ` Western Blotting Kit
. Z9 [) y* m8 E3 [4 h0 z5 Q Thermo Scientifc DyLight 680/800 Near Infrared 47
4 |% u$ j) ^: C9 P G Western Blotting Kit ( C5 t! D- Y4 z8 m( h5 r
Thermo Scientifc Active GTPase Pull-Down 48 1 y( C% O. V2 t, _) T5 ?, M" ~) j
and Detection Kits
) z+ u) K) p2 [% `4 b# aFar-Western Blotting 49
" W/ ?* `$ o* u* ^7 g1 L A: ~In-Gel Western Detection 50-51
1 b4 m! S# ?" P$ s7 r: N; j# b A Thermo Scientifc Pierce In-Gel 51
, `9 }5 a/ U! L+ |. j( v0 m Y Chemiluminescent Detection Kits
/ [' q/ r* `+ ZStep 7 – Film
; h1 _1 v+ G6 q$ E5 C/ `3 o Thermo Scientifc CL-XPosure Film 52
- a, ~6 G9 ] [Step 8 – Stripping Buffer
- Y# x7 }1 C! uOptimizing the Signal-to-Noise Ratio 53-58 % L8 `# @7 ?0 j& o% O; O& C/ D6 ?
Protocol for Stripping an Immunoblot 54
# V/ l& z/ R1 r1 e Thermo Scientifc Restore 55 - n9 n& K0 S$ i) u- n, K. U3 v
Western Blot Stripping Buffers 2 W W4 \, K( w8 Z, b' @
Thermo Scientifc Restore PLUS 56 . \( S2 l: F! S8 h' f
Western Blot Stripping Buffers 2 U$ G, ]; i8 B5 {3 q: Q. q3 K# z6 m
Thermo Scientifc Pierce 57-58
7 g- G! X: o; C; K/ m: q- s, Z Background Eliminator7 z2 U5 \; {6 J" ^; L
Troubleshooting Guide 59-69
B; h; q/ i3 Q, O: o6 s% C( ] Blotting with Chemiluminescence 59
3 u( ?9 z% ~8 x5 P+ F Optimizing Antibody Concentration 60-63
# R- K4 H! N1 x) k: i, k N q Problem Guide 64-67
: X2 m/ {0 n1 ]3 l Full-Length Western Blotting Protocol Using 68-69
1 O4 q5 v3 }: W. e! D5 r Chemiluminescent Substrates
% F; p! G+ D+ VRecommended Reading 70, ^) `% f8 }: ?; p$ V2 w
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