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. 2022 Mar 10;33(4):666–676. doi: 10.1021/acs.bioconjchem.2c00067

Table 1. Photophysical Parameters of Eosin and Its Derivatives.

  ΦF τF (ns) ΦT τT (μs)
eosin 0.2a,36,37 1.21c,27 0.64a,38 1.7 ± 0.1c,f,h
  0.24c,27 1.2 ± 0.1c,h 0.71a,39 1440 ± 50c,g,h
      0.8a,37  
EITC 0.18c,h 1.1 ± 0.1c,h 0.49c,e,h 2.1 ± 0.1c,f,h
  0.58b,h 3.1 ± 0.1b,h 0.06b,e,h 2.450.1b,f,h
EITC–strepi 0.071 (0.1)c,h 1.2 ± 0.1 (0.1)c,d,h 0.10 (0.1)c,f,h 5.1 ± 0.1 (0.1)c,f,h
  0.008 (1.5)c,h 0.3 ± 0.1 (1.5)c,d,h 0.04 (1.6)c,f,h 4.5 ± 0.1 (1.5)c,f,h
        1140 ± 50 (1.5)c,g,h
a

Water.

b

DMSO.

c

PBS buffer.

d

Average lifetime τav = (α1τ1 + α2τ2)/(α1 + α2).

e

Calculated using the value of 0.8 for eosin in water.

f

Air equilibrated solutions.

g

Nitrogen-saturated solutions.

h

This work.

i

Values in brackets are DOL.