Table 1 Photophysical properties of NC, BNC, BNCQ, BNCN, BNCY, and BNCE in PBS solution at room temperature.

From: A pocket-escaping design to prevent the common interference with near-infrared fluorescent probes in vivo

Dye

Absorbance λmax (nm)

Emission (nm)

Stoke shift (nm)

ε (L M−1 cm−1)

Quantum yield (%)

ΔE (eV)

NC

343

402

59

14,600

15.31

4.34

BNC

405

465

60

19,100

31.26

3.91

BNCQ

465

520

55

37,900

39.74

3.64

BNCN

555

590

35

26,500

3.69

3.05

BNCY

596

680

84

65,700

1.31

2.50

BNCE

599

690

91

35,200

1.22

2.39

  1. The quantum yields were determined using cresol purple as reference (Φf = 0.58 in ethanol).
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