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- 详细信息
- 文献和实验
- 技术资料
- 库存:
100
- 供应商:
上海一基实业有限公司
- CAS号:
7356-58-3
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文献和实验1 , 3 -二苯脲及 N , N ′-二苯脲。 C 13H 12N 2O ,是从椰子汁中分离测定出的化合物,也有人怀疑它是提取操作中混入的非天然化合物。具有象细胞分裂素那样的生理作用,其活性比普通的细胞分裂素较弱。在合成的衍生物中,也有相当强的活性化合物,例如 N - 3 氯苯 -N ′ - 苯脲, N - 4- 硝基苯 -N ′ - 苯脲等。此外,从人尿中还分离出具有次脲基( NH - CO - NH )的嘌呤衍生物 N- ( purine - 6-ylcarbamoyl
Sample preparation (preparative gels)
were shaken overnight at 4o C. After washing with PBS, the cells were incubated with fluorescein-conjugated anticytokeratin antibodies (CAM 5.2) for 45 min and then sorted by FACS. The pellet was mixed with 100 µl per 106 cells of a solution containing urea
Sample preparation (analytical gels)
to 95o C for 5 minutes and then diluted to 60 μl with a solution containing urea (8 M), CHAPS (4% w/v), Tris (40 mM), DTE (65 mM) and a trace of bromophenol blue. The whole final diluted CSF sample (45 μg) was loaded on the first dimensional separation
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