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Spectroscopic Study of the Interaction of Bu2SnCl2 with EHPG

○ Chun、Ying、Wei

2001中国化学快报：英文版Medicine被引 0

摘要

The difference UV spectra and fluorescence of Bu2SnCl2 and ethylene bis (o-hydroxyphenylglycine) (EHPG), a ligand used previously for mimicking Fe3+ binding of transferrins, was first studied in Tris-HCl buffer solution (pH7.4). Difference UV spectral studies show that the binding of Bu2SnCl2 to EHPG takes twelve hours and gives rise to a 1:1 complex. The binding constant for Bu2SnCl2-EHPG complex is estimated to be 1.65×103 M-1. Fluorescence studies also show an increase in intensity of EHPG after interaction with Bu2SnCl2.

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