Transfer the column into a microcentrifuge tube and spin for 1min at full speed to dry the column material. (This removes any ethanol, which is part of buffer PE.

• 将管柱换至微量离心管，并且于最高速离心一分钟使管柱物质干燥(此步可移除残留的酒精。酒精是缓冲溶液PE的成份之一。