Journal
JOURNAL OF FLUORESCENCE
Volume 32, Issue 2, Pages 473-481Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10895-021-02851-9
Keywords
Acridine; Metal ion recognition; Fluorescence sensor; Aza macrocycles
Funding
- Budapest University of Technology and Economics
- National Research, Development and Innovation Office [K128473]
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A new fluorescent bis(acridino)-macrocycle with two allyl groups was synthesized and studied for metal ion recognition and selectivity effects, determining important thermodynamic constants. The sensor molecule is recommended for Zn2+ -selective optochemical analyzers based on covalently immobilized ionophores due to its unique pH-independent metal ion recognition ability unaffected by anions and other potentially occurring metal ions in biological samples.
A new fluorescent bis(acridino)-macrocycle containing two allyl groups was synthesized and photophysically studied. Studies were carried out on metal ion recognition and selectivity-influencing effects including the determination of the relevant thermodynamic constants as logK and pK(a). The proposed sensor molecule is recommended for the development of Zn2+-selective optochemical analyzers based on covalently immobilized ionophores as it has a unique pH-independent metal ion recognition ability, which is not influenced by anions and other potentially occurring metal ions in biological samples.
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