RNA/Zeta Probe Dot Blotting protocol 1)Make up RNA (up to 20μg)dissolved in sterile H2 O,TE or 0.5% SDS to 500μl with ice-cold sterile 10mM NaOH,1mM EDTA and apply it to Zeta Probe membrane,held in a dot-blot apparatus,which has been pre-wetted in 2 x SSC. 2)Apply a vacuum across the apparatus to draw the solution through the membrane and wash each dot once with 500μl ice-cold 10mM NaOH,1mM EDTA. 3)Remove membrane from apparatus and wash for 5 mins in 2 x SSC at room temperature. 4)Allow membrane to air dry. At this stage the membrane can be stored dry at -20℃ until required for hybridisation to the probe of choice or it can be used immediately. |
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