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本帖最后由 细胞海洋 于 2011-3-12 17:58 编辑 - |/ D R, R9 V' ]* s% Q0 W; |
6 f- O/ V( N( H" BIntroduction 13 g# v- z- M* r
Western Blotting Overview 2-3
: A/ t4 V* F& |; F: xStep 1 – SDS-PAGE
- M3 {& P7 r( V; ^% i. q+ I Thermo Scientifc Precise Protein Gels 4 . B% C8 q7 z0 y) u4 C8 x
Molecular Weight Markers 5-6
, [1 [" |1 R: ^ zStep 2 – Electro-Transfer
* Z: Y3 G7 w2 X4 \" D6 g Thermo Scientifc Pierce Fast Transfer System 7
9 l B4 {4 I' }' H/ x5 B. `5 b) D Transfer Buffers 8
1 ~3 ~, R! y6 i3 E" S) o# J0 \ Filter Paper for Blotting 8
3 B# G: ^% z- W PVDF and Nitrocellulose Membranes 9
, }' K! P4 t8 e6 }' B; r* Y) o Thermo Scientifc Pierce Protein Stains 9 7 k4 ^9 G" Z% M/ J4 M. o( \
for Membranes ! _4 r6 U# d: q
Antibody Extender Solution NC 10 1 V' c! m9 u/ ?9 S7 G
Western Blot Signal Enhancer 116 V- ^2 H) [4 D" W K
Step 3 – Blocking
/ F6 ~9 k8 Y+ R7 r Introduction 12
" ?# U! O. E6 H3 {' G$ s Blocking of Nonspecifc Binding Sites on 12 9 y% _, u; U3 M4 c
Transfer Membranes ' L$ [& Y* j5 U8 D$ V9 Y: y
Blocking Buffer Optimization 12-13
7 R/ n; I1 d1 D Blocking Buffers 13-16$ h. `6 X7 _, r
Step 4 – Formulate Wash Buffers . |+ U: u U6 l- {, b- c
Washing the Membrane 17
' e: E ^! n& p8 L, W Wash Buffers 172 m! P6 B9 \8 W" g
Step 5 – Detection Reagents
% z b' }2 Y0 T1 x6 j* b+ H; B/ w Validated Primary Antibodies 18-19
; a$ q/ C7 r# H2 ]" c) _4 l Affnity-purifed Antibodies 20 9 y6 T$ R' H' j# _& q
Stabilized HRP Conjugates 21 + H V1 s7 C# { b
Thermo Scientifc DyLight 22 ( C* Y( c! ~! m' ?+ }& Q$ Y; r
Fluor Conjugates + B8 a! a5 [! Y* m
Conjugate Stabilizer Solutions 22 \" @5 V1 d: B/ q
Thermo Scientifc DyLight-labeled Highly 23
4 K- h, ^+ x. m, s- p Cross-Adsorbed Secondary Antibodies " M7 N! I% r5 n) R* K* [/ D
Antibody Storage and Stabilizer Solutions 24
& _, n+ H+ p4 |, L4 K; Y8 } Secondary Antibody Ordering Table 25-26
* ~' b# ]5 z9 }; E0 R/ J0 A6 X) I Thermo Scientifc Clean-Blot IP 28-29 & g+ |/ [0 O8 w
Detection Reagents 7 x- }( s- e0 B* v" N
Protein A, G, A/G and L Conjugates 30
. k4 q! b4 |& r, x Thermo Scientifc NeutrAvidin, Streptavidin 31-33
2 R1 ?1 l/ t: U1 Z and Avidin Conjugates# G Y. O- b9 O# f; ^
Step 6 – Enzyme Substrates
1 i3 g% D2 c/ I0 i3 A/ ^' NChromogenic Substrates 34-35 ; ]$ J, \7 {: o4 t% ], @* P- f; X
Thermo Scientifc Chemiluminescent Substrates 36-43 ! m+ ?; u8 h+ C' A2 O' y% w
Pierce ECL Substrate 37
6 n& Q- w5 x; X6 \/ q SuperSignal Chemiluminescent 38-42
! |# }( e4 v- H9 E' o1 H/ l1 \ Substrates and Kits
y+ A% b0 f5 Y" s- }3 f: @) r0 a* @ Lumi-Phos™* }9 E, G$ k7 N1 @) p k
Chemiluminescent Substrate 43 - V6 m) T: `2 g
Quick Reference Substrate Guide 43 9 h2 c/ y4 G8 C2 D( @
Fast Western Blotting Kit 44
' a; n) w3 ?4 ? A6 g# e" PSpecialized Western Blotting Kits 45-48 , Z. o/ w% M0 w- E. {; X- u
Thermo SuperSignal West Pico HisProbe Kit 45 2 T( T. {. h+ l1 n: f5 ?
Pierce O-GLcNAc Western Blotting Detection Kit 46
. [- p& F) F5 k Thermo Scientifc DyLight 549/649 46-47 ) s% U( Q* n' X; T9 H* C
Western Blotting Kit
/ x+ y' J3 p% n Thermo Scientifc DyLight 680/800 Near Infrared 47
( \/ b) x# e$ T+ Y1 Y/ R Western Blotting Kit 4 o7 b/ L* C9 U W- c
Thermo Scientifc Active GTPase Pull-Down 48 * h( O7 e" R* E2 R; R! D1 x4 Q
and Detection Kits
2 M0 i# d2 s3 c6 H- C5 pFar-Western Blotting 49
* O$ m* m$ d9 {/ {. A% mIn-Gel Western Detection 50-51 9 @+ a' ]7 K/ d+ X
Thermo Scientifc Pierce In-Gel 51 $ @- f1 D- M n/ M9 c9 y& Z
Chemiluminescent Detection Kits+ c5 F; ^! i( m
Step 7 – Film
# J, ?: v, p7 z9 @" h1 c Thermo Scientifc CL-XPosure Film 52
, p9 i. B; ~0 u# d8 N/ OStep 8 – Stripping Buffer
1 |; x; q& Q3 E" AOptimizing the Signal-to-Noise Ratio 53-58 # \9 r( o# s* o" w- z) X7 C: G
Protocol for Stripping an Immunoblot 54
$ C6 u% n) L) t9 b8 e Thermo Scientifc Restore 55
4 {% {8 n/ V6 ]4 ?3 R! G0 I3 P Western Blot Stripping Buffers
7 L( E% M4 p8 Z2 @% H! m Thermo Scientifc Restore PLUS 56
* ?8 O9 n" @! X, m1 ? Western Blot Stripping Buffers
* [7 X/ t$ r: F6 P Thermo Scientifc Pierce 57-58 I* A" F g; ~" I& f0 ^
Background Eliminator" h e) U8 s7 N
Troubleshooting Guide 59-69 r8 s! e$ A) \) Z9 u$ \7 I
Blotting with Chemiluminescence 59 ; z/ Z& X7 d+ y0 b1 o
Optimizing Antibody Concentration 60-63 w1 P# {- q" M" x* T
Problem Guide 64-67 1 p. v( Y/ M3 X7 k
Full-Length Western Blotting Protocol Using 68-69
. C1 U" n5 a. P8 ] Chemiluminescent Substrates + K, _. D' l- R, h% h
Recommended Reading 70
1 l8 ]* ?$ K) U5 Y2 v, D4 l: `9 B3 k+ Y) S7 r- d
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