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Pre-hyb/hyb for Radioactive ProbesStuff you need:50X Denhardt's reagent:1% Ficoll1% Polyvinylpyrrolidone1% Bovine Serum AlbuminPrehyb/hyb solution:5X SSC50% formamide100 μg/ml SS DNA (heat denatured at 95 deg C)5X Denhardt's0.2% SDSBlot Wash 1:2X SSC0.1% SDSBlot Wash 2:0.1X SSC0.1% SDSStripping Solution5 mM Tris-HCl, pH 8.02 mM EDTA, pH 8.00.1X Denhardt's1. After transfer, crosslink and hybridize for 1 hour in hybridization buffer at 42 deg C.2. Boil probe in 500μL hybridization buffer. Cool on ice.3. Add probe to blot and incubate overnight at 42 deg C.4. Remove blot from bottle and do the following washes in a pyrex dish:5 min RT Blot Wash 115 min 55 deg C Blot Wash 2Check radioactivity associated with corner of blot. If still hot: 15 min 55 deg C Blot Wash 2.5. Wrap blot in plastic wrap and put down to film. Cassette at -70 deg C.6. To strip, add stripping solution and incubate at 65 deg C for 2 hours, or until radioactivity is removed.7. Store blot between two sheets of Whatman at 4 deg C.

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