Study on the interaction between hematoporphyrin monomethyl ether and DNA and the determination of hematoporphyrin monomethyl ether using the resonance light scattering technique

被引：8
作者：
Chen, Zhanguang [1 ]
Song, Tianhe [1 ]
Chen, Xi [2 ]
Wang, Shaobin [3 ]
Chen, Junhui [3 ]
机构：
[1] Shantou Univ, Dept Chem, Shantou 515063, Peoples R China
[2] Guangdong Pharmaceut Univ, Guangzhou 510006, Guangdong, Peoples R China
[3] Shantou Univ, Coll Med, Affiliated Hosp 1, Dept Oncol, Shantou 515041, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2010年 / 77卷 / 03期
关键词：
Hematoporphyrin monomethyl ether (HMME); Resonance light scattering (RLS); ctDNA; Gemini surfactant; Interaction; NUCLEIC-ACIDS; PHOTODYNAMIC THERAPY; SIMPLE PROBE; ASSAY; PORPHYRIN; AGGREGATION; ASSEMBLIES; NANOGRAMS; PROTEINS;
D O I：
10.1016/j.saa.2010.06.023
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
The interaction between photosensitizer anticancer drug hematoporphyrin monomethyl ether (HMME) and ctDNA has been studied based on the decreased resonance light scattering (RLS) phenomenon. The RLS, UV-vis and fluorescence spectra characteristics of the HMME-ctDNA system were investigated. Besides, the phosphodiesters quaternary ammonium salt (PQAS), a kind of new gemini surfactant synthesized recently, was used to determine anticancer drug HMME based on the increasing RLS intensity. Under the optimum assay conditions, the enhanced RLS intensity was proportional to the concentration of HMME. The linear range was 0.8-8.411 mu g mL(-1), with correlation coefficient R-2 = 0.9913. The detection limit was 0.014 mu g mL(-1). The human serum samples and urine samples were determined satisfactorily, which proved that this method was reliable and applicable in the determination of HMME in body fluid. The presented method was simple, sensitive and straightforward and could be a significant method in clinical analysis. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：605 / 611
页数：7
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