Abstract：The present paper studies the interactions of purines and porphyrin by fluorescence, UV，and NMR spectra. The optimal conditions (acidity and ion intensity) of the interaction of purines and hematoporphyrin and metalloporphyrin were investigated in detail. The result shows that hematoporphyrin and metalloporphyrin exhibit significant recognition of purines. The binding constants of metalloporphyrin: KNi(Ⅱ)-HP＞KCo(Ⅱ)-HP＞KZn(Ⅱ)-HP＞KCu(Ⅱ)-HP in pH 11.2 Kolthoff buffer solution. The mechanism of recognition was further discussed. Recognition is achieved by cooperative functions of three recognition groups (metalloporphyrin) and two recognition groups (hematoporphyrin).
Key words：Hematoporphyrin and metalloporphyrin;Purines;Recognition;Fluorescence;UV;NMR
张 勇，雷亚春，潘景浩，刘滇生 . 血卟啉及金属血卟啉对嘌呤衍生物识别作用的研究 [J]. 光谱学与光谱分析, 2004, 24(10): 1241-1243.
ZHANG Yong, LEI Ya-chun, PAN Jing-hao, LIU Dian-sheng . Molecular Recognitions of Purines by Hematoporphyrin and Metalloporphyrin Receptors . SPECTROSCOPY AND SPECTRAL ANALYSIS, 2004, 24(10): 1241-1243.
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