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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 + J' e" P+ U% P! R. P( m
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Introduction 1
- Q$ B5 G" q& [# \1 gWestern Blotting Overview 2-3
# i- c7 a% c$ F x/ }7 v. }Step 1 – SDS-PAGE ' M& e. G: {- ~- ]9 J
Thermo Scientifc Precise Protein Gels 4 + _8 x8 O+ `! P4 s1 o; x
Molecular Weight Markers 5-6
: J. s/ O$ g1 o, _) I. GStep 2 – Electro-Transfer
3 n9 e3 a) ?8 d Thermo Scientifc Pierce Fast Transfer System 7
4 T8 Y4 i, i& j* ] Transfer Buffers 8
% [! p+ U2 h* |; A! W! U Filter Paper for Blotting 8 1 a8 m# X' Y4 g7 s
PVDF and Nitrocellulose Membranes 9 + s0 N% L; J0 N+ M# k& I
Thermo Scientifc Pierce Protein Stains 9
* }$ _& J$ R, y4 i* C: q8 a for Membranes + k* H1 w( N& r
Antibody Extender Solution NC 10
0 _# @7 S3 \, U+ l) r, Y Western Blot Signal Enhancer 11' [! J0 c, Y' F; o E5 K: ?2 }" J
Step 3 – Blocking
4 Y7 o1 H/ _! J: H Introduction 12 ! H0 m, J1 u5 P) g* c! ]9 t* k. v* w
Blocking of Nonspecifc Binding Sites on 12 , N+ ^- |3 F- D1 a& D* |
Transfer Membranes
7 n6 P6 v) b" [ I5 }2 j Blocking Buffer Optimization 12-13
1 t; x6 r( \& e5 N8 t Blocking Buffers 13-16
1 j% A: J# o* @6 S EStep 4 – Formulate Wash Buffers ) X9 u7 F; P9 I$ d9 w7 b
Washing the Membrane 17 8 W: h7 Z0 V0 _- {$ W; B8 X+ q. Z6 S
Wash Buffers 17" d0 v& p7 ~+ L. k* B
Step 5 – Detection Reagents ' i0 d6 }6 a6 i# u( y$ \; K4 {, H
Validated Primary Antibodies 18-19 , z- n* _1 d: d) V
Affnity-purifed Antibodies 20 ?& {: a' ^" V! U- L8 v% F/ k# c
Stabilized HRP Conjugates 21
$ Y4 l2 V& c$ `5 P Thermo Scientifc DyLight 22 ; z) I6 {/ w; t% o' E9 ]3 a
Fluor Conjugates 0 f; _* h# w Y- Q. g0 y3 h
Conjugate Stabilizer Solutions 22 ' w* c7 e- l0 D+ O6 B# h
Thermo Scientifc DyLight-labeled Highly 23 3 I& F. O2 V2 B% J6 o. p! {
Cross-Adsorbed Secondary Antibodies
. X( A* P) F, h& Z( R+ g Antibody Storage and Stabilizer Solutions 24 # B% g3 b1 J& n4 E# W( x# D
Secondary Antibody Ordering Table 25-26
/ h3 P$ |: q; s- R0 O Thermo Scientifc Clean-Blot IP 28-29
# K7 Z/ t, @* I9 |# J Detection Reagents ! n8 T L( b$ |! o" f- ^
Protein A, G, A/G and L Conjugates 30
/ N% _+ q0 J% C; F0 {/ k& M Thermo Scientifc NeutrAvidin, Streptavidin 31-33 0 x* P+ {1 \2 v ?
and Avidin Conjugates7 r" a' I8 u8 s# ?) o, r3 W2 F1 V
Step 6 – Enzyme Substrates $ u: U$ o; K' L0 o9 i: \; ]
Chromogenic Substrates 34-35 6 M4 O5 b$ U$ O1 T7 K3 _/ O
Thermo Scientifc Chemiluminescent Substrates 36-43 $ l/ u/ ~% `; I/ u/ u
Pierce ECL Substrate 37 $ B+ r2 y) a; S! f0 M0 X( N1 E% H
SuperSignal Chemiluminescent 38-42 7 B" t1 F& z1 Q) Z' N" ^
Substrates and Kits # b' i" U: R' M% B) t# f; H
Lumi-Phos™
8 }7 a% d9 O2 G! a Chemiluminescent Substrate 43
4 A5 ~4 ^; C2 m4 `) K Quick Reference Substrate Guide 43 : Y6 A" N! t* p* G2 x! g% I u
Fast Western Blotting Kit 44 k/ G. {+ _7 v) a" \
Specialized Western Blotting Kits 45-48
5 u# G4 P! K- Z: k4 H5 n, P Thermo SuperSignal West Pico HisProbe Kit 45
# P) p' U# N/ i \+ O Pierce O-GLcNAc Western Blotting Detection Kit 46
2 L$ L, U1 J4 X3 W6 |1 e Thermo Scientifc DyLight 549/649 46-47
2 c& P5 f3 k9 E) k" m1 K/ g Western Blotting Kit
. Z% Y0 ?) P( y7 `6 c$ g Thermo Scientifc DyLight 680/800 Near Infrared 47
) v2 T1 |0 k2 ?% H0 }; { Western Blotting Kit
/ @; U% e0 @' }1 j" B w Thermo Scientifc Active GTPase Pull-Down 48 7 i" [' e. I) H% g! c
and Detection Kits 9 H: O0 p! h4 n9 o8 F6 s
Far-Western Blotting 49
* K' o: G5 m( e; o. `In-Gel Western Detection 50-51
1 Z. g2 w3 e. u$ @# Y* c Thermo Scientifc Pierce In-Gel 51 2 B* l3 v" p6 V/ z& t
Chemiluminescent Detection Kits/ Y( n9 ?6 T# {9 X
Step 7 – Film : f1 ]1 J9 r8 y$ M- I+ V
Thermo Scientifc CL-XPosure Film 52) W# s X9 ~/ U9 t, J0 b8 t
Step 8 – Stripping Buffer
6 L+ Q9 P7 e4 x! i2 A9 UOptimizing the Signal-to-Noise Ratio 53-58 2 m( t. E" G% z8 b v H
Protocol for Stripping an Immunoblot 54 3 |$ D' E$ V% |$ i: K( G' M
Thermo Scientifc Restore 55 & R' H' R1 `# s% s
Western Blot Stripping Buffers
( _& K- o7 c$ ^9 x0 c7 W4 i Thermo Scientifc Restore PLUS 56
1 X$ \! K! B# @ Western Blot Stripping Buffers 8 ~& D2 \. O8 @. h6 j
Thermo Scientifc Pierce 57-58 4 I0 V) \$ W5 M, `$ K
Background Eliminator/ f4 _/ L0 U F' E) p
Troubleshooting Guide 59-69
( d g4 h. ? u* Z Blotting with Chemiluminescence 59
a7 D: O# p2 h, x Optimizing Antibody Concentration 60-63 ; R6 r d( @) B3 m/ G
Problem Guide 64-67 8 a9 B& g- e i4 {+ i* P5 w* a8 l
Full-Length Western Blotting Protocol Using 68-69 ) r" M( O! \" \6 M
Chemiluminescent Substrates
) \. l( o+ S$ {Recommended Reading 70
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