Imidazole-modified porphyrin as a pH-responsive sensitizer for cancer photodynamic therapy

Xianchun Zhu, Wentong Lu, Yazhou Zhang, Aisha Reed, Brandon Newton, Zhen Fan, Hongtao Yu, Paresh Chandra Ray, Ruomei Gao

Chemical Communications · 2011 · 57 citations · 21 references

Concepts

Abstract

5,10,15,20-Tetrakis(N-(2-(1H-imidazol-4-yl)ethyl)benzamide)porphyrin produced twice as many singlet oxygen ((1)O(2)) molecules at pH 5.0 (quantum yield 0.53 ± 0.01) than at pH 7.4, whereas the (1)O(2) quenching rate was reduced by a factor of 2.5 for a pH change from 7.4 to 5.0.

References

21