From: Real-time detection of viable microorganisms by intracellular phototautomerism
code | name | exc. max. (nm) | em. max. (nm) | Stokes shift (nm) | pKf | pH ratio | uptake | |
---|---|---|---|---|---|---|---|---|
 |  |  |  |  |  |  | S. aur | S. cer |
V1 | salicylic acid | 295 | 405 | 110 | 2.9 | 122 | + | + |
V2 | 4-amino salicylic acid (PAS) | 295 (265) | 400 | 105 | 2.2 (3.5) | 22 (74) | + | - |
V3 | 5-amino salicylic acid (mesalamine) | 335 | 495 | 160 | 5.8 | 331 | - | - |
V4 | 5-hydroxy salicylic acid (gentisic acid) | 322 | 448 | 126 | 2.9 | 77 | + | - |
V5 | 4-hydroxy salicylic acid (β-resorcylic acid) | 290 | 395 | 105 | 3.0 | 52 | + | - |
V6 | 1-hydroxy-2-naphtoic acid | 340 | 420 | 80 | 3.0 | 3 | + | + |
V7 | 3-amino-2-naphtoic acid | 360 (285) | 470 | 110 | 4.5 | 88 (42) | + | + |
V8 | 2-hydroxycinnamic acid (o-coumaric acid) | 320 (360) | 500 | 180 | 5.5 (>9) | 30 (400) | + | - |
V9 | 2-Hydroxy-dibenzofuran-3-carboxylic acid | 340 (300) | 450 | 110 | 2.3 | 4.3 (3.7) | + | + |
V10 | 6-Amino-1,3-dimethyl-2-oxo-2,3-dihydro-1H-benzoimidazole-5-carboxylic acid | 241 | 396 | 155 | nd | 1.4* | - | + |
V11 | 5-(2-Ethyl-butyrylamino)-2-hydroxy-benzoic acid | 311 | 426 | 115 | nd | 22.8* | + | - |
V12 | 2-Hydroxy-5-[(tetrahydro-furan-2-carbonyl)-amino]-benzoic acid | 307 | 417 | 110 | nd | 17* | + | - |
V13 | 7-Amino-2,3-dihydro-benzodioxine-6-carboxylic acid | 323 | 401 | 78 | nd | 359* | + | - |
V14 | 2-Hydroxy-5-tetrazol-1-yl-benzoic acid | 296 | 395 | 99 | nd | 5* | + | - |