A near-infrared fluorescent chemodosimeter for silver(I) ion based on an expanded porphyrin
作者： Xunjin Zhu , Shitao Fu , Wai-Kwok Wong , Wai-Yeung Wong
DOI: 10.1016/J.TETLET.2008.01.037
关键词:
摘要: Abstract An expanded porphyrin [26]hexaphyrin(1.1.1.1.1.1) was exploited as a fluorescent chemodosimeter for Ag+ ions with high sensitivity and selectivity via near-infrared luminescence above 900 nm, region that is free from optical interference in the visible wavelength range induced by commonly used matrix other organic compounds. The association constant Ag+–porphyrin complexation evaluated spectroscopic titration method to be 7.24 × 1010 M−1.
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