中文人妻熟女乱又乱精品,欲妇荡岳丰满少妇岳,把腿张开老子臊烂你,亚洲精品无码AV人在线观看国产

0.95 mg / ml ( by BCA assay )

Partially purified by sucrose gradient centrifugation then dialyse

PBS + 0.1% Triton x-100

Avoid repeated freeze / thawing Vortex before use

Store frozen at less than-20°C , preferably-80°C