Table 1.

Organic fluorescent probes characteristics. Fluorescence quantum yield (QY), maximum excitation/emission wavelength, lifetime and solubility corresponding to each probe listed in Fig. 2 [8–19]

Probe	QY	λex (nm)	λem (nm)	Lifetime (ns)	Solubility
Fluorescein	79%	494	521	4	PBS
Proflavine	44%	444	515	4	PBS
AIPcS4	40%	673	680	5	PBS
GdPcS4	-	636	688	-	PBS
CoPcS4	-	669	-	-	PBS
Verteporfin	5%	436	692	6	DMSO
PpIX	9%	405	634	16	DMSO
MB	5%	664	684	<1	PBS