Table 6.

Probes for Other Redox Metabolites

Name	Species tested for cross-reactivity	Reported staining concentration for cells	Time needed before optimal signal available	λex/λem (nm)	References
Sulfenic acid probes
Used for labeling in cell lysates
DAz-1	N/A	10 mM	2 h	N/A	(132)
DAz-2	N/A	5 mM	2 h	N/A	(83)
NBD-Cl	N/A	1 μM	30 min	Various (absorbance at 340 nm)	(43)
Sulfane sulfur probe
SSP2	Cys, GSH, Hcy, GSSG, Na2S, Na2S2O3, Na2SO3, Na2SO4, formaldehyde, acetaldehyde, Na2S2, Cys-poly-sulfide, S8	50 μM	20 min	482/518	(20)
DSP-3	GSH, Cys, Hcy, GSSG, Na2S, Na2S2O3, Na2SO3, Na2SO4, CH3SSSCH3, S8, Na2S2	10 μM	20 min	490/515	(95)
Sulfite and bisulfite probes
Probe 1	F−, Cl−, Br−, I−, SO42−, HPO42−. NO3−, N3−, AcO−, ClO4−, HCO3−	N/A	N/A	487/588	(30)
P-1	AcO−, NO2−, NO3−, F−, CO32−, SO42−, Cl−, IO3−, CN−, N3−, ClO3−, Br−, SCN−, I−, HSO4−, S2−, S2O32−, HSO3−	50 μM	30 min	330/395–515	(29)
The probe	I−, F−, Cl−, Br−, HCO3−, SO42−, PO43−, NO3−, NO2−, B4O72−, CO32−, HPO42−, SCN−	N/A	N/A	370/420	(178)
Probe 2	F−, Cl−, Br−, I−, NO2−, NO3−, N3−, OAc−, PO43−, CO32−, SO42−, S2O32−, H2O2, t-BuOOH, NaClO	10 μM	30 min	466/523 580/663	(165)
TSSP-N3	F−, Cl−, Br−, I−, AcO−, HCO3-, CN-, NO2−, NO3−, PO43−, HS−, SCN−, SO42−, S2O32−, Cys, Hcy, GSH	5 μM	30 min	386/460 475/590	(146)
Lipid peroxidation probes
C11-BODIPY	N/A	1 μM	20 min	581/595	(40)
PA derivative 1	N/A	10 μM	30 min	405/490–520	(117)