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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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7 ^( a1 V* g5 r" Z) j+ Q! N$ PIntroduction 1
, ]$ H' S8 C2 L- S& ?& l" \Western Blotting Overview 2-3
2 z* [+ F+ d$ i- i9 E! QStep 1 – SDS-PAGE
; R& F8 A2 u/ v0 ] Thermo Scientifc Precise Protein Gels 4
$ K C* S F6 B; S) f Molecular Weight Markers 5-6( D: t/ \3 F( ~' c |5 U1 [
Step 2 – Electro-Transfer / L" P/ f) s: t o% E/ X8 e0 k
Thermo Scientifc Pierce Fast Transfer System 7 & S) B) ]: @0 X
Transfer Buffers 8 . q; C9 V. ]% G: S
Filter Paper for Blotting 8 4 M7 M a' A9 k1 ]( l
PVDF and Nitrocellulose Membranes 9
5 x. V6 W+ E2 G8 o5 E9 I7 Y$ t Thermo Scientifc Pierce Protein Stains 9
/ D- o8 i r3 E1 T& G for Membranes
6 M8 B% t2 A% _4 y l& Z Antibody Extender Solution NC 10
: v7 _3 E4 g- J- @ ]0 y2 Q Western Blot Signal Enhancer 112 s( {8 |8 R6 M3 w" t4 @1 h$ D4 g
Step 3 – Blocking * k0 X" C6 p( D+ p
Introduction 12
4 S& L/ {6 @8 @6 ^$ e Blocking of Nonspecifc Binding Sites on 12 9 W8 [/ F; V7 \& L8 g% Q
Transfer Membranes
8 i3 p# J' {1 c0 ] Blocking Buffer Optimization 12-13 / p: R s7 B3 o) P3 ?( P
Blocking Buffers 13-16
% m8 X1 g' `2 g: KStep 4 – Formulate Wash Buffers
6 d4 ]( n a5 R+ ~ t a9 }: G Washing the Membrane 17
/ Y8 E; x$ P2 W" _, w% o4 w Wash Buffers 17, L; c7 x5 G! J
Step 5 – Detection Reagents & W+ e# `4 k) ]$ l6 \
Validated Primary Antibodies 18-19
( }7 V/ l- l1 u7 O$ ~ Affnity-purifed Antibodies 20 ; Q6 H9 e/ N% r1 m. P7 n
Stabilized HRP Conjugates 21 2 \" S1 E! R; G2 W% [
Thermo Scientifc DyLight 22
- u* u4 Y+ | v& ]- i Fluor Conjugates 8 Q& F# F+ y- n+ d9 k. d
Conjugate Stabilizer Solutions 22 / T' \/ P5 m# B# S# G# i2 L
Thermo Scientifc DyLight-labeled Highly 23
( U$ O! C* F; f9 a% n Cross-Adsorbed Secondary Antibodies , b8 Q7 V) N8 m7 }4 u2 l) _/ S+ R$ p
Antibody Storage and Stabilizer Solutions 24 9 y4 p! b; [# ]1 U* [- |
Secondary Antibody Ordering Table 25-26
+ Y# z8 _. S" @% J; `$ \1 C Thermo Scientifc Clean-Blot IP 28-29 + w8 {4 ~2 d; b) S7 ~) R }) M
Detection Reagents
0 Z& y2 N0 ^2 b% w Protein A, G, A/G and L Conjugates 30
: }+ ?& h8 ]" `! L' S' d Thermo Scientifc NeutrAvidin, Streptavidin 31-33 : `* |8 x, Q! c" c+ [6 ?
and Avidin Conjugates
/ N' L2 ], }4 Q$ _, l+ IStep 6 – Enzyme Substrates ; D, J% o1 m! r/ ]3 S; X
Chromogenic Substrates 34-35
+ ~% g0 [) v) D; w# `% MThermo Scientifc Chemiluminescent Substrates 36-43 1 h; F* I$ x2 |! ]2 w1 R& N1 Q
Pierce ECL Substrate 37 ( l8 H) O; W8 O( w Y& M1 P
SuperSignal Chemiluminescent 38-42
( h4 h8 \, M% S+ o+ g+ B Substrates and Kits
2 k! ^! Q4 A4 F* P1 N Lumi-Phos™
5 I+ f f% a) q j Chemiluminescent Substrate 43
& _1 t c% z" A' ~; C# ] Quick Reference Substrate Guide 43 . Z, `4 x& L) i* o* z
Fast Western Blotting Kit 44 3 F3 g. I6 D8 q1 k" e4 r% a) W. y
Specialized Western Blotting Kits 45-48
9 c6 o$ g' {3 M9 y' A+ H# N0 ], E. b, n Thermo SuperSignal West Pico HisProbe Kit 45
2 b6 P( @- d8 l; Y4 J Pierce O-GLcNAc Western Blotting Detection Kit 46 ; t6 B/ X6 ]# l7 ]% C
Thermo Scientifc DyLight 549/649 46-47
3 J/ t% B4 A- w |3 S' M6 k' y Western Blotting Kit 3 H+ q5 p( o5 N. S: B
Thermo Scientifc DyLight 680/800 Near Infrared 47 . y- H( I1 j* }. Q) Y8 D& C* `
Western Blotting Kit
: y: D# y8 {6 C Thermo Scientifc Active GTPase Pull-Down 48 7 k8 e# }! k* \# e+ o
and Detection Kits , R# l9 t3 e1 b
Far-Western Blotting 49 4 b$ u7 G l a+ Y- ^( b T+ M& n
In-Gel Western Detection 50-51
0 l4 Y! w2 R Q, ]/ u, \ Thermo Scientifc Pierce In-Gel 51
4 W; n" T6 |$ H Chemiluminescent Detection Kits
( @ f& B8 C7 K4 oStep 7 – Film
1 G$ H3 Y! x/ N: v# Q3 ? Thermo Scientifc CL-XPosure Film 52% c6 a* x9 N2 y1 f) c. P
Step 8 – Stripping Buffer 0 W/ Y4 u& `) R* p0 A9 I& t
Optimizing the Signal-to-Noise Ratio 53-58
% h4 u. @- P- O Protocol for Stripping an Immunoblot 54 * F, m( S% V- |1 g5 U! {
Thermo Scientifc Restore 55
- A! \' P0 {* u: R. _& c Western Blot Stripping Buffers 1 a, n0 r4 B, W2 ^
Thermo Scientifc Restore PLUS 56 ) T. u0 v7 b5 L
Western Blot Stripping Buffers ; c8 L# f. m; N* B1 x, ]0 `
Thermo Scientifc Pierce 57-58
7 R7 B: F% e: I" F* @ Background Eliminator) G& U+ t. C ^% G
Troubleshooting Guide 59-69
2 e, d1 N' @4 o( M8 H4 s* H Blotting with Chemiluminescence 59 + b" \* A3 F) ?/ X
Optimizing Antibody Concentration 60-63 % r1 z, D* z/ c* b+ J- i
Problem Guide 64-67 ! x6 |# Z8 u! }5 Z
Full-Length Western Blotting Protocol Using 68-69 ]/ O, W3 m# u9 j1 H
Chemiluminescent Substrates q4 F( u# p" u& y/ D, J' p
Recommended Reading 70
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