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- 库存:
999
- 供应商:
北京泽平
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热销品大量现货,其余请咨询
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EA
货号:T_70310686561
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英文名称:ALUMINIUM ROD 60 CM LxD=600x12mm
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文献和实验, this method for preparing competent E. coli from Inoue et al. (1990) can challenge the efficiencies achieved by Hanahan (1983). However, under standard laboratory conditions, efficiencies of 1 x 108 to 3 x 108 transformed colonies/mg of plasmid DNA
品名 规格 价格 备注 WB500 尼龙膜( 带正电荷 )(15×60cm 0.45um) 1张 400 Pall-Gelman WB501 硝酸纤维素膜(15×60cm 0.45um) 1张 350
to vortex mix the carrier DNA before pipetting it. 5. Incubate the tube in a water bath at 42°C for 40 to 60 min. Many laboratory strains will yield up to 1 x 105 transformants/mg plasmid after 60 min incubation. Extending the time at 42°C to 180 min
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