Germline transgenesis in pigs by cytoplasmic ...
2014-3-13 · The A 260 /A 280 ratio (as measured by spectrophotometry) of the purified DNA should be between 1.8 and 2.0, and the A 260 /A 230 ratio should be between 2.2 and 2.4; otherwise, the plasmid DNA ...
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