NDLI: Fluorometric sensing of Hg2+ ions in aqueous medium by nano-aggregates of a tripodal receptor.

Content Provider	Semantic Scholar
Author	Singh, Ajnesh Kaur, Simanpreet Singh, Narinder Kaur, Navneet
Copyright Year	2014
Abstract	Two new tripodal receptors (1–2) have been synthesized and characterized by various spectroscopic techniques. The nano-aggregates of 1 and 2 (N1 and N2) have been prepared by a re-precipitation method in aqueous medium and have shown different photo-physical properties. Nano-aggregates of 1 (N1) can selectively recognize Hg(2+) in aqueous medium in the presence of other metal ions with enhancement in fluorescent intensity. The response was linearly proportional to the concentration of Hg(2+) in the range 0–10 μM with a detection limit of 2.4 nM. The mechanism of selective binding of Hg(2+) by N1 has also been supported by theoretical studies. To the best of our knowledge, this work represents the first report on substituted thiourea based nano-aggregates for nano-molar detection of mercury in aqueous medium.
File Format	PDF HTM / HTML
DOI	10.1039/c3ob42200c
PubMed reference number	24589861
Journal	Medline
Volume Number	12
Issue Number	14
Alternate Webpage(s)	http://www.rsc.org/suppdata/ob/c3/c3ob42200c/c3ob42200c.pdf
Alternate Webpage(s)	https://doi.org/10.1039/c3ob42200c
Journal	Organic & biomolecular chemistry
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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