Gold Nanoparticle as a Turn off Fluorescent Sensor for Hg[ii] Ions

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35,90 €

ISBN: 3659590126
ISBN 13: 9783659590122
Autor: Makwana, Bharat A/Patel, Jinal V/Bhatt, Keyur D
Verlag: LAP LAMBERT Academic Publishing
Umfang: 56 S.
Erscheinungsdatum: 16.10.2014
Auflage: 1/2014
Format: 0.4 x 22 x 15
Gewicht: 102 g
Produktform: Kartoniert
Einband: Kartoniert
Artikelnummer: 7382378 Kategorie:

Beschreibung

In this book, we report the bio synthesis of aqueous stable gold nanoparticles by using Ocimum sanctum leaf extract as both reducing and capping agents. The Ocimum sanctum leaf extract reduced gold nanoparticles (AuNps) were characterized by UV/Vis, particle size analyzer (PSA)and transmission electron mictroscopy (TEM. Additionally, AuNps have been investigated for its application as Turn Off fluorescent sensor for Hg[II]. A concentration of Hg[II] in the limit of 10 M to 10 mM can be detected based on fluorescence quenching of the AuNPs and it was also concluded from the spectroscopic data that AuNPs possess excellent selectivity to Hg[II] over several metal ions like Pb[II], Cu[II], Cd[II], Mn[II], Zn[II] and Ni[II]. We discuss here a quick, simple, economic and ecofriendly method through a completely green route for the selective detection of Hg2+ in aqueous samples. The method has been successfully applied for determination of Hg(II) ions in ground water and industrial effluent waste water samples.

Autorenporträt

Dr. Bharat Makwana earned his Ph.D in chemistry from school sciences,Gujarat University.He is currently working as assistantprofessor at KSV University.He published many research articles on various reputed international journals,his area of research is nano science and supra molecules.

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