Methods for detecting mercury with pyrene functionalized silica nanoparticles

Shahid Ali (Inventor), Muhammad Mansha (Inventor), Safyan Khan* (Inventor), Nadeem Baig (Inventor)

*Corresponding author for this work

Research output: Patent


A method for detecting mercury (Hg2+) ions in an aqueous solution is described. The method includes contacting the aqueous solution with a chemosensor to form a mixture; and monitoring a change in a fluorescence emission profile of the chemosensor in the mixture to determine the presence or absence of Hg2+ ions in the aqueous solution. The chemosensor includes pyrene silica nanoparticles where at least one pyrene is bonded to a surface of a silica nanoparticle through an amide bond with a formula of, pyrene-C(═O)NHR-silica nanoparticle, and where R is an alkyl chain.
Original languageAmerican English
Patent number11435288
Filing date16/05/22
StatePublished - 6 Sep 2022


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