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A ZnS quantum dot-based super selective fluorescent chemosensor for soluble ppb-level total arsenic [As(iii) + As(v)] in aqueous media: direct assay utilizing aggregation-enhanced emission (AEE) for analytical application.
Kayal, Saurav; Halder, Mintu.
Afiliación
  • Kayal S; Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India. mintu@chem.iitkgp.ac.in.
  • Halder M; Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur-721302, India. mintu@chem.iitkgp.ac.in.
Analyst ; 144(12): 3710-3715, 2019 Jun 21.
Article en En | MEDLINE | ID: mdl-31134231
ABSTRACT
This study brings out a novel, superselective detection employing thiosalicylic acid-capped ZnS-based quantum dots that display photoluminescence "turn-on" characteristics only in the presence of arsenic in the aquatic medium for the first time. It shows a splendid limit of detection of soluble arsenic down to a few ppb level, much below than the MCL reported value, without being interfered by any other ions.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Analyst Año: 2019 Tipo del documento: Article País de afiliación: India

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Analyst Año: 2019 Tipo del documento: Article País de afiliación: India