Biology Reference
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Table 2 Synthetic model chromophores and their absorption peaks in gas phase and in solution
Name
Chromophore model
Gas-phase abs
peak in nm
Solution abs peak in nm
(extinction coefficient mM
1
cm
1
, when
available)
Anionic Cationic Neutral
Anionic
Cationic
BFPF
a
-
-
348 water
348 metOH
353 CH
3
CN
355 dioxane
357 toluene
-
-
O
N
N
CFP
a,b
-
-
405 water
402 metOH
388 CH
3
CN
390 dioxane
389 toluene
-
-
O
N
NH
N
p
-HBDI
c
(GFP model chrom.)
p
Ka
479
406
372 water
367 metOH
362 dioxane
368 DMF
370 DMSO
372 pyridine
425 water
428 metOH
433 dioxane
462 DMF
471 DMSO
482 pyridine
387 water
398
metOH
397
dioxane
378 DMF
383 DMSO
O
8.1
d
ΒΌ
N
N
_
(H ) O
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