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Synthetic Modulation of a Chemosensor Affords Target Metal Ion Switch from Zn 2+ to Al 3+
Author(s) -
Naskar Barnali,
Maiti Dilip K.,
Bauzá Antonio,
Frontera Antonio,
Prodhan Chandraday,
Chaudhuri Keya,
Goswami Sanchita
Publication year - 2017
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201700861
Subject(s) - selectivity , amine gas treating , chemistry , analyte , metal ions in aqueous solution , metal , alcohol , benzene , ion , combinatorial chemistry , ring (chemistry) , photochemistry , organic chemistry , chromatography , catalysis
The paper describes how synthetic modulation of a chemosensor can be utilized to obtain altered selectivity of analytes. A series of chemosensors were designed by changing the alcohol arm length, from ethanol amine ( H 2 SalEt ) to propanol amine ( H 2 SalPr ) to a combined one i. e. 3‐amino 1, 2 propanediol ( H 3 SalPd ) / ring system, benzene to napthyl ring analogues ( H 2 NapEt , H 2 NapPr and H 3 NapPd ) and screened for selectivity towards specific analytes. H 2 SalEt was already reported to sense Zn 2+ selectively. The generated H 2 SalPr and H 3 SalPd were unable to differentiate Zn 2+ and Al 3+ . However H 2 NapEt , H 2 NapPr and H 3 NapPd are excellent chemosensors for selective detection of Al 3+ alone. The feasibility and practicability of H 3 NapPd to sense Al 3+ was further explored on HepG2 cells.