The mixture was then centrifuged at 20 °C and 4800 g for 15 min in a laboratory centrifuge machine (TG20-WS Tabletop high speed, Changsha Xiangzhi Centrifuge Instrument Co., Ltd).
The mixture wasthen centrifuged at 20 °C and 4800 g for 15 min in a laboratory centrifugemachine (TG20-WS Tabletop high speed, Changsha Xiangzhi CentrifugeInstrument Co., Ltd).