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4,5-??????????

4,5-??????????
4,5-?????????? ??? ???
?? ??:
205391-01-1
???:
4,5-??????????
???(??):
4,5-??????????
???:
4,5-DIAMINOFLUORESCEIN
???(??):
DAF-2;5-Diaminofluorescein;4,5-DIAMINOFLUORESCEIN;5,6-DIAMINOFLUORESCEIN;DAF-2;4;5-DIAMINOFLUORESCEIN;4,5-Diaminofluorescein, DAF-2;DAF-2, Fluorescent nitric oxide probe;4,5-Diaminofluorescein-Isopropanol adduct (1:2);2-(3,6-DIHYDROXY-9H-XANTHEN-9-YL)-4,5-DIAMINO-BENZOIC ACID;5,6-Diamino-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one
CBNumber:
CB3354894
???:
C20H14N2O5
??? ??:
362.34
MOL ??:
205391-01-1.mol

4,5-?????????? ??

?? ??
2-8°C
??? ??
??
??
Brown to black
??
  • ?? ? ?? ??
  • ?? ? ???? ?? (GHS)
??? ?? Xn,Xi
?? ???? ?? 22-36/37/38
????? 23-26-36
WGK ?? 3
F ?????? 8-10-23
????(GHS): GHS hazard pictograms
?? ?: Warning
??·?? ??:
?? ??·?? ?? ?? ?? ?? ?? ? ?? ?? P- ??
H302 ??? ??? ?? ?? ?? - ?? ?? 4 ?? GHS hazard pictograms P264, P270, P301+P312, P330, P501
??????:
P264 ?? ??? ?? ??? ????.
P264 ?? ??? ?? ??? ????.
P270 ? ??? ??? ??? ???, ???? ???? ???.
P301+P312 ??? ???? ??? ????(??)? ??? ????.
P330 ?? ?????.
P501 ...? ??? / ??? ?? ???.
NFPA 704
2
2 0

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??

DAF-2 is a sensitive fluorescent indicator commonly used for the detection of nitric oxide (NO). It reacts with NO in the presence of oxygen to yield the highly fluorescent triazolofluorescein (DAF-2T). Fluorescence is monitored using excitation and emission wavelengths of 485 and 538 nM, respectively. At neutral pH the detection limit for NO is 2-5 nM.

??

DAF-2 is highly sensitive reagent for NO detection and determination of nitric oxide synthase activity.

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