Nalgene 500ml离心瓶 聚丙烯共聚物PPCO

A safe method of extracting DNA from Coccidioides immitis

in the saprophytic phase at 37 C in 100 ml of 2X GYE medium (20 g glucose and 10 g yeast extract in 1 liter medium, autoclaved for 15 min.) in 500 ml plastic Nalgene flasks with plastic foam stoppers (Identi-plug, Fisher). When there has been sufficient growth

细胞培养耗材选购杂谈

细胞培养器材的选择：从大小来讲，细胞培养瓶约可分为约600ml，250ml，50ml和25ml的，一般都经过表面改性处理，适合细胞贴壁和生长。600ml 、300ml的多用于大规模培养时用（如单克隆细胞的培养等），50ml的多用于一般性细胞实验用（一般性的传代，保存细胞，为实验提供细胞等），25ml一般是用来复苏细胞或细胞较少时的培养，还有做原代细胞时也可以做多瓶而避免交叉污染。当然还有其他如圆形的等，都可根据个人爱好和实验需要自己选择。 根据细胞培养瓶制作材料的不同

Large Scale Plasmid Preps: PEG method

  1. Grow 250 ­ 500 mL of bacteria overnight in LB with 50 µg/mL of ampicillin. 2. Transfer culture to Nalgene bottles. Spin in SGA rotor at 6000 rpm, at 4°C for 10 min. 3. Discard supernatant. Keep everything on ice. Resuspend