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Elektrophorese-Technik

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Visualization: Immuno-Fluorescence

Dez 17, 2008

Due to ETC's new non-fluorescence gel-support the fluorescent staining methods getting possible!
After 2 hours reaction with a FITC-chromogen conjugated antibody (DAKO F0202) and 3 hours washing out of the exceed antibody, the gel goes directly into a Fluorescence-Imager.
The FITC-antibody's physical properties: 495 nm excitation, 522 nm emission.

Advantage: Quick, easy, sensitive and IgG-selective staining.
Disadvantage: Additional hardware is necessary.


Tested instruments:

GE Healthcare's Typhoon series:
Settings of the Typhoon-Imager (GE-Healthcare):
Blue laser, 488 nm excitation, resolution: 40 µm, amplification: 450 PMT-voltage, filter: 522 nm, focus (platen):0
.

Fujifilm: FLA 7000 and FLA 5100:
Settings: Blue laser, 40 µm resolution, amplification 825 pmt, filter 530 DS “FITC”
 

Gelreh
pfeil90

The Immunoreaction is done in the CleanPool in 30 ml (100 µl Antibody),
2 hours slightly rocked.

pfeil225
Stainshk

1 hour: Washing out exceed amount of the antibody

immunfluorescence

Gel: FocusGel 6-11 24S, Samples: Dr.B.Pepperkok, Labor Limbach, Heidelberg (Germany)
Visualization: Immuno-Fluorescence with FITC-conjugated antibody on Fujifilm FLA 5100