probe

Solvent

λ_ex/λ_em

Response time

Sensor type

LOD

44

Tris-buffer:DMSO (1:9, pH 7.0)

340/378

20 min

130-fold enhancement

59.3 nM

45

HOAc-NaOAc (1% DMSO, pH 5.0)

370/440

40 min

100-fold enhancement

19.4 nM

46

DMSO:Tris-buffer

(1:1, pH 7.4)

470/570

15 min

Turn-on

200 nM

47

-

620/686

-

Turn-on

19.1 nM

48

HEPES buffer

(pH 7.2)

460/510

300 min

13-fold enhancement

-

49

PBS

(0.2% DMSO, pH 7.4)

475/580

12 min

Turn-on

30 nM

50 (NHB)

HEPES

(pH 7.4)

410/540

15 min

-

0.06 μM

50 (NHC)

HEPES

(pH 7.4)

460/555

15 min

-

0.03 μM

51

PBS

(pH 7.4)

620/669

40 s

Turn-on

1.93 nM

52

PBS

(pH 7.4)

430/570

-

Turn-off

493 nM

53

PBS

(pH 7.4)

344/515

15 min

Turn-on

31 nM

54

HEPES

(pH 7.4)

405/[495/560]

2 min

Turn-on

0.62 μM

55

HEPES

(pH 7.4)

560/602

20 min

Turn-on

13 nM

56

H₂O/CH₃CN (4:1)

350/443

6 min

65-fold enhancement

8.5 nM

57

TBS solution (40% DMSO, pH 7.4)

500/618

40 min

Turn-on

0.12 µM

58

PBS-DMSO

(1:1, pH 7.4)

560/676

40 min

Turn-on

20 μM

59

HEPES

(pH 7.4)

350/523

20 min

Turn-on

-

60

Phosphate

(pH 7.4)

515/630

15 min

Turn-on

52 nM

61

H₂O/CH₃CN

(3:2, pH 7.0)

405/[461/474]

15 min

Ratiometric response

0.52 μM

62

H₂O:DMSO 

(9:1, pH 7.4)

580/610

15 min

Turn-on

54 nM

63

Ethanol:HEPES (1:1, pH 7.4)

360/453

-

Turn-off

52 nM