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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑
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Introduction 1* Z& v) ]: e/ i# W7 J$ y
Western Blotting Overview 2-3! H" c! j: r. r7 _8 k
Step 1 – SDS-PAGE
4 F) \3 s* _2 h9 I6 `- A3 L Thermo Scientifc Precise Protein Gels 4
+ ~! L' ]% W( ^. e6 N. d Molecular Weight Markers 5-6
" g3 X$ c1 R1 G, X7 ~$ L) SStep 2 – Electro-Transfer
1 e( h# R1 L' V2 L9 Z$ ], _ Thermo Scientifc Pierce Fast Transfer System 7
% m }' o1 k' s. U9 R9 T3 t Transfer Buffers 8 * k$ ]$ a; a' K
Filter Paper for Blotting 8 9 j; X6 Q* |; ^% v2 b, D+ \* s: X
PVDF and Nitrocellulose Membranes 9
3 [% U; x5 u1 L; n Thermo Scientifc Pierce Protein Stains 9
" B3 g h A; b3 S0 p4 E for Membranes
; C( X" w2 B3 C. n7 s: W. o9 r Antibody Extender Solution NC 10 # ~) ], E: S1 H/ N8 K. ~# }, r
Western Blot Signal Enhancer 117 M8 j- P3 p9 H! i. V$ f* A
Step 3 – Blocking
8 ^: s: y5 N- F% g! p Introduction 12 3 @$ v; _# w- U# w
Blocking of Nonspecifc Binding Sites on 12
+ V3 E% k6 b* Q9 f! g Transfer Membranes
! O: {4 q" } X0 \& z+ u Blocking Buffer Optimization 12-13 % G3 `$ l' r$ O7 x, u: F# Z; X
Blocking Buffers 13-164 v2 s9 R" l7 f
Step 4 – Formulate Wash Buffers : A% {+ T; T1 d3 w% Z2 k8 R- N
Washing the Membrane 17 " b* k4 E$ z5 Q4 a, [/ f
Wash Buffers 17) |# z6 q, C9 O
Step 5 – Detection Reagents % @ h- v; U" C J. J9 @
Validated Primary Antibodies 18-19 & f8 b* }+ e& t
Affnity-purifed Antibodies 20
5 J3 ^( z2 z6 b! s! R1 b Stabilized HRP Conjugates 21 1 _& z5 R. s0 U; L7 k% t5 ?
Thermo Scientifc DyLight 22 0 J2 q0 W1 i) y7 w& C$ P! g% M* Z" I* N0 K
Fluor Conjugates ) m* q! `3 U j7 w P
Conjugate Stabilizer Solutions 22
( e- ?; h" z6 J' m+ u Thermo Scientifc DyLight-labeled Highly 23
% \" f5 N4 K0 P E% q3 d( s% n* J6 v Cross-Adsorbed Secondary Antibodies 9 t. ~9 L# J* L
Antibody Storage and Stabilizer Solutions 24
( F, S* j: @; g4 } Secondary Antibody Ordering Table 25-26 ; A: C0 e- }! T) n9 q
Thermo Scientifc Clean-Blot IP 28-29 6 e$ M+ b, Y, f1 s5 }
Detection Reagents
, _; |7 k @( V) | Protein A, G, A/G and L Conjugates 30
$ Z% b8 @, \; v; n( {- B Thermo Scientifc NeutrAvidin, Streptavidin 31-33 8 a: C0 ~* Q( w- p" t$ ]3 F$ ?: E% ^7 _
and Avidin Conjugates, Y& i q( c5 y
Step 6 – Enzyme Substrates
/ q3 Q& V. t! }. f, ?0 ]Chromogenic Substrates 34-35 ! v, L" H$ n* t
Thermo Scientifc Chemiluminescent Substrates 36-43
- `' y4 ^) P* M& i Pierce ECL Substrate 37 7 ]! \! `" Y) \9 I- |, y
SuperSignal Chemiluminescent 38-42 ; N" L) a$ Y* o) w- v* D
Substrates and Kits
# g. X. Y8 }- y' O9 c Lumi-Phos™
) a! q# P7 M" d- N# g/ O Chemiluminescent Substrate 43 5 N# [8 K1 h6 g5 [8 S& m& j3 _ K3 G
Quick Reference Substrate Guide 43
, h1 ?$ h" K: \9 g( H4 HFast Western Blotting Kit 44
" p, {* X1 y. x" d! z5 W8 j3 SSpecialized Western Blotting Kits 45-48
% w' i" w7 U. b4 z$ p# ` Thermo SuperSignal West Pico HisProbe Kit 45 3 X y' ?; z9 a+ a" o
Pierce O-GLcNAc Western Blotting Detection Kit 46
% B" Y. r# L$ L- u5 z Thermo Scientifc DyLight 549/649 46-47 * f6 N/ j$ C: C7 H3 `
Western Blotting Kit
- {1 \8 D/ o# X& o9 F @; p Thermo Scientifc DyLight 680/800 Near Infrared 47
' `; T m7 m0 G% s* W3 E1 Z Western Blotting Kit
6 m- c* d' J2 G) M! f5 E4 l2 W Thermo Scientifc Active GTPase Pull-Down 48 * L& Z4 w, f! p1 z, K. m- A- J
and Detection Kits Z5 z s4 u+ h
Far-Western Blotting 49
4 y. h2 n* b) }4 f$ g% w1 J5 t8 @9 RIn-Gel Western Detection 50-51
( o+ l- x$ J+ F- v8 D: [! b0 I Thermo Scientifc Pierce In-Gel 51
6 _1 U3 S2 l& P0 s' {8 Y1 h Chemiluminescent Detection Kits: `* Y0 n& [" Y7 w) j
Step 7 – Film . ~ M& u1 E" g: |
Thermo Scientifc CL-XPosure Film 52# X2 @% w2 h4 |6 ~& b
Step 8 – Stripping Buffer
" o9 Z5 u8 d% Q0 H/ ^0 `* ]Optimizing the Signal-to-Noise Ratio 53-58 & C% b4 J- n7 z$ ^4 H
Protocol for Stripping an Immunoblot 54 % ~; i2 i \) d/ X) k
Thermo Scientifc Restore 55 - c' @8 }5 H, x+ C
Western Blot Stripping Buffers
9 d3 k* Y, M# N& |( ~: N: c+ Q' v Thermo Scientifc Restore PLUS 56 3 s0 a) s! Z: _7 D
Western Blot Stripping Buffers ( k* w) {' o o2 H" ]
Thermo Scientifc Pierce 57-58 5 A7 F, s1 g. ?- |" J1 Y* V: |
Background Eliminator
7 u3 M6 u! S" b, bTroubleshooting Guide 59-69
; e# a! ^$ l5 } Blotting with Chemiluminescence 59
0 s% F' E, i' G9 {; u3 C }& e7 R4 ~ Optimizing Antibody Concentration 60-63 ; S# v4 ^5 ?: x& S2 n4 A
Problem Guide 64-67
" g: Y; n+ Y( A, ^2 r! @5 a Full-Length Western Blotting Protocol Using 68-69 + C+ P' K& K% k/ p" f+ B3 M
Chemiluminescent Substrates
/ k+ T# I! C* n9 a7 i0 h O! jRecommended Reading 70$ D% d8 |/ X5 M6 [4 H2 r0 t/ x9 H
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