Table 1 Average diameter, fluorescence emission, and ROS generation data of the chlorophyll‒peptide conjugates

From: Acid-activatable photosensitizers for photodynamic therapy using self-aggregates of chlorophyll‒peptide conjugates

Conjugate

Particle size (nm)

Fluorescence emission intensity of the conjugate

Ratio of the fluorescence emission intensityb

Increment in the SOSG fluorescence emissionc

Ratio of the increment in the SOSG emissiond

pH 7.4

pH 5.8

pH 7.4

pH 5.8

Chl-H5

329 ± 335

19.3

9.0

2.1

2.6

0.5

5.2

Chl-(HK)2H

73 ± 50

28.7

10.2

2.8

9.4

0.7

13.4

Chl-(KH)2K

251 ± 202

70.3

17.7

4.0

10.9

1.3

8.4

Chl-K5

– a

198.2

86.6

2.3

16.3

5.0

3.3

  1. aParticle aggregates were not observed via TEM
  2. bInt668 at pH 5.8/Int668 at pH 7.4
  3. cIntSOSG+light – IntSOSG+dark
  4. d(IntSOSG+light – IntSOSG+dark) at pH 5.8/(IntSOSG+light – IntSOSG+dark) at pH 7.4
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