Skip to main content
. 2022 Nov 28;27(23):8305. doi: 10.3390/molecules27238305

Table 1.

Rate constants and limit of detection for reactions of hydrogen sulfide and the low-molecular-weight thiols cysteine, N-acetyl-L-cysteine, and glutathione with the studied probe.

kobs (103 s−1) LOD (nM)
H2S (pKa 7.0 a) 3.02 140
GSH (pKa 8.66 b) 4.00 60
L-Cys (pKa 8.33 b) 5.64 26
NAC (pKa 9.43 c) 2.5 32

a from [50]; b from [51]; c from [52].