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DAF-FM DA
CAS:254109-22-3
4-氨基-5-甲氨基-2',7'-二氟荧光素二乙酸酯
DAF-FM二乙酸酯是一种可透过细胞的荧光探针,用于检测和生物成像(NO),激发/发射最大值为495/515 nm。它被动地扩散穿过细胞膜,并且一旦进入细胞内,就被细胞内酯酶脱乙酰化成为DAF-FM。DAF-FM的荧光量子产率为~0.005,但与NO反应后增加约160倍,达到~0.81。1 DAF-FM优于NO探针DAF-2(产品编号85160),原因如下:
- DAF-FM与NO形成的加合物的光谱不依赖pH(>5.5);
- 2)DAF-FM与NO形成的加合物的光稳定性明显强于DAF-2/NO加合物;
- 3)DAF-FM的NO检测下限~3nM,比DAF-2灵敏度高(~5nM)。
图4. DAF-FM光谱图 和结构图
产品信息:
| 品牌 | 货号 | 名称 | 规格 | 价格(元) |
| cayman | 18767-1MG | DAF-FM DA(NO)荧光探针 | 1MG | 3560 |
| cayman | 85160-100UG | DAF-2 DA(NO)荧光探针 | 100μg | 748 |
| YEASEN | 40769ES60 | DAF-FM DA (5mM in DMSO)(NO)荧光探针 | 100T | 810 |
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文献和实验Nucleotide Analogues as Probes for DNA and RNA Polymerases
polymerases: Nonpolar nucleoside isosteres as probes. J. Am. Chem. Soc. 122:1001‐1007. Moran, S., Ren, R.X.‐F., Rumney, S., and Kool, E.T. 1997. Difluorotoluene, a nonpolar isostere
Molecular Modeling of Nucleic Acid Structure: Electrostatics and Solvation
of computer simulation techniques as applied to nucleic acid systems, ranging from simple in vacuo molecular modeling techniques to more complete all?atom molecular dynamics treatments that include an explicit representation of the environment. The third in a series
is an effective immunomodulator and vaccine adjuvant against pneumococcal infection. Vaccine 26:4676‐4685. Ouyang, S., Song, X., Wang, Y., Ru, H., Shaw, N., Jiang, Y., Niu, F., Zhu, Y
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