Calixarene capped quantum dots as luminescent probes for Hg2+ ions
Source abstract
Abstract
Luminescent and stable CdSe/ZnS core/shell quantum dots (QDs) capped with sulfur calixarene are prepared for the selective determination of mercury ions in acetonitrile with high sensitivity.
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Research context
OpenAlex topics: Molecular Sensors and Ion Detection · Luminescence and Fluorescent Materials · Advanced biosensing and bioanalysis techniques
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References (20)
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19. S-Calix: mp 132–134 °C 1H NMR (300 MHZ, CDCl3) δ 0.99, 1.34 (s each, 18H each, But), 1.37 (t, 6H, SCH2CH3), 2.75 (q, 4H, SCH2CH3), 3.15 (t, 4H, OCH2CH2), 4.17 (t, 4H, ArOCH2), 3.34, 4.34 (d, AB, 8H, J=13.2 Hz), 6.81 (s, 4H, ArH), 7.09 (s, 2H, ArOH), 7.11 (s, 4H, ArH) MS (FAB) m/z: 825 (MH+) Anal calc. for C52H72O4S2C, 75.68; H, 8.79; found C, 75.64; H, 8.83.
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