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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 1 x( }3 ^0 O7 R: J7 |, q3 T
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Introduction 1( p3 q c8 E$ J6 d
Western Blotting Overview 2-3; s: L/ B( j" R7 `, y
Step 1 – SDS-PAGE / i; i* u! m! r" `, S1 A
Thermo Scientifc Precise Protein Gels 4
/ A: i' w7 J3 f, {0 r Molecular Weight Markers 5-66 ~* i# F! U) m N& _" @! R& G
Step 2 – Electro-Transfer + R! ?+ L. Q1 J
Thermo Scientifc Pierce Fast Transfer System 7
; S j; X3 p9 x2 m7 x Transfer Buffers 8
) c" r/ B+ Y1 z* M2 T Filter Paper for Blotting 8 ' V7 k" X/ \* U4 M( C, ]
PVDF and Nitrocellulose Membranes 9 $ C2 d+ J' O' m! D9 V$ V
Thermo Scientifc Pierce Protein Stains 9 * a4 z' k, a+ v* ?# v0 A6 O
for Membranes , i# ^1 ?4 V7 h! P5 W0 E8 h
Antibody Extender Solution NC 10 - p, H$ d& {8 ^) r0 B! J7 c5 Z5 E1 g2 R
Western Blot Signal Enhancer 11
! {( y- m, O S5 f0 PStep 3 – Blocking 2 B3 P* _9 Y5 m; q( ?" d9 T7 `1 N/ F
Introduction 12
1 R' N( c) p) `3 i Blocking of Nonspecifc Binding Sites on 12
' V' @* v' z" @ Transfer Membranes 9 ]2 ]8 a0 b7 }6 L" h
Blocking Buffer Optimization 12-13
8 M8 P$ p+ E" U" T Blocking Buffers 13-167 o" d$ K0 P4 w7 |0 M' C
Step 4 – Formulate Wash Buffers 3 ]+ w3 @1 R- w# P. l3 ]
Washing the Membrane 17 6 E/ G; R& @1 G' ` K& S
Wash Buffers 173 C$ W1 t$ R0 c
Step 5 – Detection Reagents ; ?/ ]* s8 g D+ g! p* g
Validated Primary Antibodies 18-19 9 m2 j) A) l- ?* z
Affnity-purifed Antibodies 20
9 W- ?9 _4 j( H. s+ ]' n Stabilized HRP Conjugates 21 ) k0 n- z! p2 q: D8 r
Thermo Scientifc DyLight 22
3 @9 I, Q+ n+ n" r Fluor Conjugates 3 I5 j# m& O9 r& X1 p1 h
Conjugate Stabilizer Solutions 22 0 M7 Y. U: K, H1 _
Thermo Scientifc DyLight-labeled Highly 23 2 y, G- r2 U0 Q: S
Cross-Adsorbed Secondary Antibodies
+ u, x! p `% k7 {& j U' M Antibody Storage and Stabilizer Solutions 24
: N5 w9 _7 n" V( r Secondary Antibody Ordering Table 25-26 / g3 T0 s9 p" A3 e& n( s4 y
Thermo Scientifc Clean-Blot IP 28-29
* E; B" N6 H2 o3 m Detection Reagents 0 c! S% E" e# s/ E
Protein A, G, A/G and L Conjugates 30 ) \/ t! j; ?4 _/ {; ]) [6 ^
Thermo Scientifc NeutrAvidin, Streptavidin 31-33 ) p, @+ l+ w+ C9 ~. {# z
and Avidin Conjugates) A# t3 y& {& k( a
Step 6 – Enzyme Substrates 2 P% A$ b) z5 s* j8 i
Chromogenic Substrates 34-35
6 {$ z W7 B- r' rThermo Scientifc Chemiluminescent Substrates 36-43 ' E0 e: O: t6 Z/ g5 d0 M5 o
Pierce ECL Substrate 37
" c7 O4 S% i$ ^7 f% X$ R SuperSignal Chemiluminescent 38-42 . y L; [0 S8 C
Substrates and Kits
# z; s- s- c( T: Q Lumi-Phos™
% |) i. c* W! B' A9 v# r Chemiluminescent Substrate 43 3 l0 P) ]1 f* J% I9 Y
Quick Reference Substrate Guide 43 + w1 u. K4 K3 q% _- N: f; y( R p
Fast Western Blotting Kit 44 # h* N }! `. M; I% V
Specialized Western Blotting Kits 45-48 : U1 B( O% S) `/ S% G
Thermo SuperSignal West Pico HisProbe Kit 45
. t2 [1 x" N' b' r7 ` Pierce O-GLcNAc Western Blotting Detection Kit 46
5 H2 B7 ]8 Y; }* K Thermo Scientifc DyLight 549/649 46-47
$ e& A2 e! V7 G8 R$ k Western Blotting Kit
8 I5 G* X2 Y& F% a" j* y* Y Thermo Scientifc DyLight 680/800 Near Infrared 47
- K$ ~% P' m9 g2 c. H8 E Western Blotting Kit & d& A) M, w l" F% r0 J
Thermo Scientifc Active GTPase Pull-Down 48 2 r( {" X" u3 _8 M
and Detection Kits ( R0 e; e1 ^3 O4 M1 G: A
Far-Western Blotting 49 N# \# \' \: [" U) P
In-Gel Western Detection 50-51
8 O8 l6 h" y- h! J7 b; ` Thermo Scientifc Pierce In-Gel 51 v7 U) U6 L8 d' m$ t5 P
Chemiluminescent Detection Kits& G; w, x& K# f5 D; Y s' s: J
Step 7 – Film " i2 D' Y6 t7 P3 R
Thermo Scientifc CL-XPosure Film 52
* M' R0 W# I$ EStep 8 – Stripping Buffer
3 {# j: m/ q; a9 W* @Optimizing the Signal-to-Noise Ratio 53-58 : n5 v2 Q) N5 P3 u3 O* O6 a
Protocol for Stripping an Immunoblot 54
$ H+ d' @3 h4 x* G. J Thermo Scientifc Restore 55
4 Y' Q8 t! s8 y6 {; l+ [) h4 f Western Blot Stripping Buffers + w1 R. q! T1 z& q
Thermo Scientifc Restore PLUS 56
3 Y K& m2 Z# Z) P- ?2 v Western Blot Stripping Buffers 6 s4 y2 R- W7 @
Thermo Scientifc Pierce 57-58 + [% i2 g `- u7 d0 u
Background Eliminator, l2 Q; v- D& L! Z
Troubleshooting Guide 59-69 ' i \& s: {) N7 D" K1 W9 q: U3 ?
Blotting with Chemiluminescence 59 8 \ V+ a d6 L' `" J* E7 ?/ h
Optimizing Antibody Concentration 60-63 7 a- T8 ?8 m# w6 a& Z
Problem Guide 64-67 ) x0 }* t7 O! t6 D8 a' z$ ~
Full-Length Western Blotting Protocol Using 68-69
5 R6 T H% w: p: P2 r6 S. F Chemiluminescent Substrates
F o# a0 {( F% u7 P( ^% ARecommended Reading 70
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