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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 2 b8 R. S0 e% z" Q1 l2 S
0 F8 [: ~0 n( N) y% lIntroduction 1
) |( E6 d( a1 O" XWestern Blotting Overview 2-33 l$ s2 f. T0 z8 I0 T/ \
Step 1 – SDS-PAGE
_$ z1 ~5 q$ `6 U Thermo Scientifc Precise Protein Gels 4
, \7 C% Q$ U) t' r5 {+ `6 ^1 Z Molecular Weight Markers 5-6
1 g$ ^" ]6 u; ]$ L7 j$ q& |" nStep 2 – Electro-Transfer
) R& v. v; x! r& p: [8 o2 J7 T Thermo Scientifc Pierce Fast Transfer System 7 2 X% [* m; n# T- r7 O1 g1 [8 }
Transfer Buffers 8
* t8 R$ t: z' F$ h9 u1 c Filter Paper for Blotting 8
& D& X4 t* A$ Z6 {. ?8 n PVDF and Nitrocellulose Membranes 9 8 J" ~: Z' C, H2 @
Thermo Scientifc Pierce Protein Stains 9
m6 |% E" H1 z# @+ f for Membranes 5 B7 W+ E3 Z; Q0 e. N
Antibody Extender Solution NC 10
6 P5 v: k" \6 G: i) V Western Blot Signal Enhancer 118 P+ D3 s/ I6 m k: K' k. U6 o; s
Step 3 – Blocking & K$ W. B- G r/ E' T1 o, P
Introduction 12 3 X; U7 n% W, P
Blocking of Nonspecifc Binding Sites on 12 & r: P# i! b$ t/ q: K% K/ O
Transfer Membranes
" n0 K7 R# u& ~: C- Q* w5 P9 Q) | Blocking Buffer Optimization 12-13 % O6 r/ F) U: {+ i% U B; [4 @% T
Blocking Buffers 13-166 b3 A) J6 H5 k1 {
Step 4 – Formulate Wash Buffers
! D3 t; m2 u6 r. a$ E. J" m Washing the Membrane 17 ' l5 E r" T r% h6 Q; b
Wash Buffers 17: \+ E5 H* @$ ]8 y* u, g
Step 5 – Detection Reagents 8 ]7 F% f6 @, i) O, T" G
Validated Primary Antibodies 18-19
8 Y/ p0 k2 \2 a& i! \* Z Affnity-purifed Antibodies 20 8 I* I/ t+ K' S$ t# y
Stabilized HRP Conjugates 21
1 w2 Y/ J' E; ~4 Y# f4 g Thermo Scientifc DyLight 22
- J6 I' d3 L3 \. D5 k Fluor Conjugates
& q p: z- M4 H0 r. S Conjugate Stabilizer Solutions 22 5 p, u& y2 O |9 p) m: W
Thermo Scientifc DyLight-labeled Highly 23
/ ]* F1 N* A( s) B9 E4 e. F Cross-Adsorbed Secondary Antibodies : l% d! g! I; g4 T: I
Antibody Storage and Stabilizer Solutions 24 ; Q$ f# M$ k0 D$ t0 a4 u4 a
Secondary Antibody Ordering Table 25-26
# F2 S' C9 v& j9 e% F& Z Thermo Scientifc Clean-Blot IP 28-29 ) J8 u! L, \3 x4 X. x+ j, y h- E
Detection Reagents
/ `0 M( r+ D! U; i4 A% b Protein A, G, A/G and L Conjugates 30 : i0 S- q% i) ]5 m
Thermo Scientifc NeutrAvidin, Streptavidin 31-33 2 [- P. b# K: m! i0 A: j3 W' Q
and Avidin Conjugates
/ G+ O- p7 H+ N0 f1 o, E! g9 T! E. ~' jStep 6 – Enzyme Substrates $ k% O' F# L: e/ n, o. A
Chromogenic Substrates 34-35
1 B; V# n0 ]* c# V+ }/ uThermo Scientifc Chemiluminescent Substrates 36-43
8 I. t/ p5 l' Q, K) F& B' c7 N Pierce ECL Substrate 37 ' h0 b* G! N3 T) J$ B
SuperSignal Chemiluminescent 38-42
3 j9 E' O# e1 W& b \ Substrates and Kits
2 p6 D- w' V0 Q) w c N+ h# _7 |5 q Lumi-Phos™
! e, K. [. \) X* D4 A Chemiluminescent Substrate 43
9 o1 ?1 l1 k. T" ` Quick Reference Substrate Guide 43 $ H) |1 o% N# H, u7 t, w
Fast Western Blotting Kit 44 9 c$ X8 R' _) {, ?1 L$ |- z
Specialized Western Blotting Kits 45-48 ) Z L7 m0 l0 j" F+ G! t& k
Thermo SuperSignal West Pico HisProbe Kit 45 ! q( K6 Y: c: h& z# \1 c: f2 [$ o
Pierce O-GLcNAc Western Blotting Detection Kit 46
; j) ]5 M% R3 g3 \1 ?# V- C Thermo Scientifc DyLight 549/649 46-47 - V4 d. j7 {" ]
Western Blotting Kit
% |( U3 ?5 r3 E' {! j$ z5 k Thermo Scientifc DyLight 680/800 Near Infrared 47
) a: N6 b, p; ?& P& N Western Blotting Kit ; q7 ^4 y' e K, I; S/ o" N; T
Thermo Scientifc Active GTPase Pull-Down 48
6 G" L$ _5 a3 h( ^5 f5 z( J and Detection Kits T4 E# }1 O/ Z8 Y9 g. f
Far-Western Blotting 49
3 \/ p/ `: O: D- G0 E- H, M8 F" PIn-Gel Western Detection 50-51
# s7 E" g5 d( P9 D0 ]3 B, i Thermo Scientifc Pierce In-Gel 51 & s1 ?1 ?7 r6 X
Chemiluminescent Detection Kits
+ c, j; n1 v# M: w$ MStep 7 – Film
6 i, {. n8 h: f Thermo Scientifc CL-XPosure Film 520 E. `- O# J3 ]
Step 8 – Stripping Buffer
$ n' w9 u" }( {# G# QOptimizing the Signal-to-Noise Ratio 53-58
& Q/ Q" H# f3 y2 j Protocol for Stripping an Immunoblot 54 0 w3 o3 \7 o. A8 E3 a
Thermo Scientifc Restore 55 / f4 f% v- Q ?- ?
Western Blot Stripping Buffers
& X! Y0 r6 I5 E& e* J0 q Thermo Scientifc Restore PLUS 56 7 q& Z, x3 a; ^) p0 H: N8 P
Western Blot Stripping Buffers
" W z' Y0 Z8 E0 w1 a, X Thermo Scientifc Pierce 57-58
/ V# k* n5 K; g& H) L" J Background Eliminator
5 \& D$ |0 f- W* S9 ZTroubleshooting Guide 59-69
0 ?% V9 u) ]6 y* z1 W Blotting with Chemiluminescence 59 - b( O* J( m- K: U, D0 U1 q
Optimizing Antibody Concentration 60-63 8 Y' P/ e- _4 U' ]6 S
Problem Guide 64-67 . s8 w. w8 `! e/ P1 ]3 o, z" R
Full-Length Western Blotting Protocol Using 68-69 & v' [1 H& D5 J! x
Chemiluminescent Substrates & S% m, I2 u) C. u9 f0 I
Recommended Reading 70* b5 z ` `) @ h4 ?
8 B8 D$ b4 D3 B; {: X) i |
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