discontinuous density gradient centrifugation 非连续密度梯度离心
percoll discontinuous density gradient percoll不连续密度梯度
discontinuous percoll density gradient centrifugation percoll不连续密度梯度法
METHODS Rat lipocyte was isolated and purified with discontinuous density-gradient centrifugation.
方法不连续密度梯度离心法分离纯化大鼠肝贮脂细胞。
Methods Rat gastric parietal cells were isolated by pronase digestion and purified by discontinuous density-gradient centrifugation.
方法采用链霉蛋白酶消化、间断密度梯度离心纯化大鼠胃黏膜壁细胞。
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