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  • Pentaquinone based probe for nanomolar detection of zinc ions: chemosensing ensemble as an antioxidant.

Pentaquinone based probe for nanomolar detection of zinc ions: chemosensing ensemble as an antioxidant.

Dalton transactions (Cambridge, England : 2003) (2012-11-21)
Vandana Bhalla, Roopa, Manoj Kumar
ABSTRACT

A pentaquinone based compound 3a has been synthesized which undergoes significant fluorescence enhancement in the presence of Zn(2+) ions with a detection limit up to nanomolar range in THF. Further, the zinc ensemble of 3a is evaluated for its anti-oxidizing property which is better than commercially available antioxidants.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
p-Benzoquinone, reagent grade, ≥98%
Supelco
1,4-Benzoquinone, Pharmaceutical Secondary Standard; Certified Reference Material
Supelco
p-Benzoquinone, for spectrophotometric det. of amines, ≥99.5% (HPLC)