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The crude mitochondrial pellet was resuspended in cold buffer A and layered
on the top of a 2.5 M sucrose-percoll gradient and centrifuged at 46,000 x g
for 45 min at 4¡ãC to separate the pure mitochondrial fraction¡£

2.5 M sucrose-percoll gradient ÊÇʲôÒâ˼¡£
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gastrodia

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