Table 1 Luminescence properties of [Eu(ntfa)3(TEGPO)2] in various solutions.

From: Structure-changeable luminescent Eu(III) complex as a human cancer grade probing system for brain tumor diagnosis

Concentration

Solution

τave/ms

kr/s−1

knr/s−1

Φf-f/%

Φtot/%

0.1 mM

Methanol

0.28

8.1 × 102

2.8 × 103

22

14

Water/methanol mixture (90/10 v/v)

0.27

6.8 × 102

3.0 × 103

19

–

DMEM

0.27

7.1 × 102

2.9 × 103

20

–

1 mM

Methanol

0.29

7.2 × 102

2.7 × 103

21

15

Water/methanol mixture (90/10 v/v)

0.29

7.3 × 102

2.8 × 103

21

–