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argnout

金虫 (小有名气)

[交流] 请问northern blot杂交液只用7% SDS in 0.25 M sodium phosphate buffer pH 7.2行吗

大家好

我看有些文献上做siRNA BLOT 只用7% SDS in 0.25 M sodium phosphate buffer pH 7.2
请问有人做过吗,谢谢
如:
Northern blot analyses
Total RNA (30–50  g) was separated on a 15% denaturing polyacrylamide Tris/borate/EDTA gel; the gel was then soaked in 10 mM sodium phosphate buffer pH 7.0 and subsequently in 20   SSC for 10 min. The RNAs were transferred by overnight capillary blotting in 20   SSC to Zeta-probe (Bio-Rad) or Hybond N+ (Amersham Biosciences) membranes. Membranes were crosslinked and/or baked for 2 h at 80 °C. Probes complementary to sRNAs were end-labelled with [ -32P]ATP with the use of T4 polynucleotide kinase (New England BioLabs). Hybridization was performed in 5 ml of 7% SDS in 0.25 M sodium phosphate buffer pH 7.2, and the hybridization temperature was set 15 °C below the Tm of oligonucleotides. Membranes were washed twice at hybridization temperature with 2   SSC, 0.1% SDS for 10 min, and exposed to PhosphorImage plates. Decade RNA marker was labelled in accordance with the manufacturer's instruction (Ambion).
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argnout

金虫 (小有名气)

2楼2009-04-28 20:48:12
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argnout

金虫 (小有名气)

没人做过?
3楼2009-05-05 09:03:33
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