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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 4 |+ s. X* w) F# Q
~4 n, l8 ?2 b3 V; _2 h; _+ z& r/ AIntroduction 1
9 C$ C6 g$ r3 }. l f4 ~0 [Western Blotting Overview 2-3- H! j( L, n7 Z: P. \6 J. c
Step 1 – SDS-PAGE 5 Q' R% `" t7 l9 [$ c3 x) s, E$ \) b
Thermo Scientifc Precise Protein Gels 4 6 I- a; M6 Z! D1 O
Molecular Weight Markers 5-6
3 ]7 R" }- g) s5 j8 @Step 2 – Electro-Transfer ( J7 F0 G/ f6 E) Y. U
Thermo Scientifc Pierce Fast Transfer System 7
( e1 r" Y6 c; f) l: X# A Transfer Buffers 8
" o4 r0 Q6 v9 H( t% d) J' P Filter Paper for Blotting 8
. _) n8 O5 {7 k/ z6 D# s4 g" |) e+ a PVDF and Nitrocellulose Membranes 9 ! K1 e3 E7 g/ ^& O( s
Thermo Scientifc Pierce Protein Stains 9
e1 ^ m5 h, {3 S* v- k! d) y2 p for Membranes
" p+ A. c3 A% R7 H Antibody Extender Solution NC 10 6 U4 e2 T* _ z
Western Blot Signal Enhancer 11$ c+ p* _! k1 y2 q; x3 Z) H' b
Step 3 – Blocking
% X+ `1 x5 A0 u p- a" |& b2 w Introduction 12 ( u/ Q, Y+ X( u# P |
Blocking of Nonspecifc Binding Sites on 12
+ M# _! t; e. k, M/ h i) ] Transfer Membranes
4 M* j0 h, w8 Y3 g. I Blocking Buffer Optimization 12-13
# _& \9 t% F) o2 t Blocking Buffers 13-16& T. \6 |0 s0 @$ H
Step 4 – Formulate Wash Buffers
* C! [9 g( n Q Washing the Membrane 17 4 G3 S' o, O( X4 |9 n
Wash Buffers 17
+ z* u% c" H: \% r$ {Step 5 – Detection Reagents
: V0 v" j1 j. x7 L. } Validated Primary Antibodies 18-19
7 x, d5 _$ V; { Affnity-purifed Antibodies 20
- M! _! l, ]: ^- U: z5 ]# t Stabilized HRP Conjugates 21 5 X B6 v8 T2 H
Thermo Scientifc DyLight 22 ( D/ \+ r. l6 X& L- e! ~: o
Fluor Conjugates ( j$ m/ H7 ?1 e9 F
Conjugate Stabilizer Solutions 22 9 V& m9 i$ N4 f4 H) T8 d$ K+ V
Thermo Scientifc DyLight-labeled Highly 23 1 z. Z4 T" `: d0 p3 ?" T- K
Cross-Adsorbed Secondary Antibodies
% N# F" ]- t: I9 A: ^ Antibody Storage and Stabilizer Solutions 24 $ J- z9 Z; h& C8 X1 T
Secondary Antibody Ordering Table 25-26
$ q( o, p6 I1 }4 K Thermo Scientifc Clean-Blot IP 28-29 / H0 o, i: u* z" @! X+ c& W( M N( @+ S
Detection Reagents X9 i5 ~0 r' L( }5 G2 _4 e
Protein A, G, A/G and L Conjugates 30
1 t# g& [1 s K1 V4 f5 T" m Thermo Scientifc NeutrAvidin, Streptavidin 31-33 9 s4 C: ?5 A |5 w* ]4 i
and Avidin Conjugates
1 h- ]( m! m* ]Step 6 – Enzyme Substrates
0 Y. y% v2 L: j* b0 F( m: x) o* FChromogenic Substrates 34-35 4 z& s0 Y! L! I) u; b
Thermo Scientifc Chemiluminescent Substrates 36-43
; m2 U9 Z$ i6 l0 y; v0 O. P Pierce ECL Substrate 37
, V- t1 ? A$ A3 g j0 v7 N SuperSignal Chemiluminescent 38-42 6 Q' a4 n3 v' {0 w" t* R
Substrates and Kits 4 Z& T, I6 z: V( [# X& V; ?: D
Lumi-Phos™% m. i( T. E, c: d% b
Chemiluminescent Substrate 43
- s+ |3 o y P- l0 h/ O Quick Reference Substrate Guide 43 5 Q4 }0 j, i( [1 {/ M
Fast Western Blotting Kit 44 / o$ u9 s) m1 J7 A. F' R7 w0 X1 o
Specialized Western Blotting Kits 45-48 - n; @! g4 l: C- @
Thermo SuperSignal West Pico HisProbe Kit 45
$ T" k- @# J6 d Pierce O-GLcNAc Western Blotting Detection Kit 46 7 ]: M q2 U5 r1 Q7 e
Thermo Scientifc DyLight 549/649 46-47
/ v- z w5 G9 \6 y7 K Western Blotting Kit
, i7 @& ^3 R" T, _0 ^) d Thermo Scientifc DyLight 680/800 Near Infrared 47
: K6 I! ^& Q" a( _* E8 _ P2 S$ z5 S Western Blotting Kit % s5 l. b6 u4 P6 O7 X& }/ [* e
Thermo Scientifc Active GTPase Pull-Down 48
8 d/ D% W6 r- ~; y. m and Detection Kits
8 G+ ^2 a- k3 y& tFar-Western Blotting 49 8 q6 v' G5 C7 Z6 C: w/ c
In-Gel Western Detection 50-51 6 g- @" _. z& u4 y/ x& z7 Q
Thermo Scientifc Pierce In-Gel 51 2 L9 ~ i: l/ E6 u' u
Chemiluminescent Detection Kits
9 X& S( u. N% k1 x7 FStep 7 – Film
- D( D! |6 \/ `9 b. A/ R9 M Thermo Scientifc CL-XPosure Film 52
y- U; I; f! @2 e3 SStep 8 – Stripping Buffer
( ?1 E/ }" g) F) ]Optimizing the Signal-to-Noise Ratio 53-58
3 e! V. k6 p( F5 g0 M/ r Protocol for Stripping an Immunoblot 54 / A% z, n6 n# a+ `/ h) Y$ n% @
Thermo Scientifc Restore 55 " [5 P# E! L* v3 M( g4 c
Western Blot Stripping Buffers 7 N7 C! h- v8 Z- s
Thermo Scientifc Restore PLUS 56
5 Z4 R [6 H- F4 ~4 ~0 X9 e Western Blot Stripping Buffers : M; m* g/ C, q! K# V/ r
Thermo Scientifc Pierce 57-58
# `' l% N# `7 h$ s7 W Background Eliminator
4 o( U3 r6 g; ~Troubleshooting Guide 59-69 . e0 d1 ]* }1 g# ^( n% m! p
Blotting with Chemiluminescence 59
! o+ w6 \1 g9 K G+ g7 S! t Optimizing Antibody Concentration 60-63
' a4 W9 b b' v8 c4 h Problem Guide 64-67
! C* h7 r5 m& x# d4 r Full-Length Western Blotting Protocol Using 68-69
# {* M# t* C8 @0 G% W$ L, g/ l Chemiluminescent Substrates & ~3 q! i1 [( f) m3 E4 j1 k
Recommended Reading 70
9 t( K) `: O" P* I6 Z! S0 S
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