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author:

Li, Bu-Hong (Li, Bu-Hong.) [1] | Yu, Song-Lin (Yu, Song-Lin.) [2] | Xie, Shu-Sen (Xie, Shu-Sen.) [3] | Xue, Jin-Ping (Xue, Jin-Ping.) [4] (Scholars:薛金萍)

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Abstract:

Singlet oxygen (1O2) is widely considered to be the major cytotoxic agent for photodynamic therapy (PDT), and the 1O2 quantum yield, one of the most important parameters, is characterizing efficiency of the potential photosensitizers. Measurement of 1O2 quantum yield for the novel photosensitizer of α-(8-quinolinoxy) zinc phthalocyanine (α-(8-QLO)PcZn) in air-saturated dimethylformamide solutions was achieved by the direct measurement of their near-infrared luminescence. The main Q band for α-(8-QLO)PcZn peaks at 675 nm, and its molar extinction coefficient is 1.86105 mol-1cm-1. The maximal 1O2 luminescence occurs at 1 280 nm, and the 1O2 quantum yield of α-(8-QLO)PcZn was determined to be 0.600.02. These results indicate that α-(8-QLO)PcZn is a promising photosensitizer for PDT applications.

Keyword:

Dimethylformamide Infrared devices Luminescence Oxygen Photodynamic therapy Photosensitizers Quantum yield Zinc Zinc compounds

Community:

  • [ 1 ] [Li, Bu-Hong]Key Laboratory of Optoelectronic Science and Technology for Medicine Ministry of Education, Fujian Normal University, Fuzhou 350007, China
  • [ 2 ] [Yu, Song-Lin]Key Laboratory of Optoelectronic Science and Technology for Medicine Ministry of Education, Fujian Normal University, Fuzhou 350007, China
  • [ 3 ] [Xie, Shu-Sen]Key Laboratory of Optoelectronic Science and Technology for Medicine Ministry of Education, Fujian Normal University, Fuzhou 350007, China
  • [ 4 ] [Xue, Jin-Ping]Institute of Functional Materials, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350007, China

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Source :

Journal of Shenzhen University Science and Engineering

ISSN: 1000-2618

CN: 44-1401/N

Year: 2008

Issue: 4

Volume: 25

Page: 387-391

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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