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Physical Sciences and Mathematics

Olivet Nazarene University

AuNPs

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Survey Of The Performance Of 5 Nm Goldnanoparticles Within An Ssdna-Stabilizedbiosensor For The Detection Of Hg2+, Madalyn J. Zagajowski Mar 2024

Survey Of The Performance Of 5 Nm Goldnanoparticles Within An Ssdna-Stabilizedbiosensor For The Detection Of Hg2+, Madalyn J. Zagajowski

ELAIA

The formation of a fluorescent biosensor complex consisting of 5 nm diameter gold nanoparticles (AuNPs) and single-stranded DNA (ssDNA) was conducted using a low-cost, efficient binding method. The analytical potential for the complex to detect mercuric ions (Hg2+) in an aqueous solution was assessed through the collection of UV-vis and fluorescence spectrometry data for the AuNP-ssDNA complex. The researcher aimed to investigate this potential in case the nanoparticles formed utilizing this method were too small to result in detectable fluorescence. To eliminate this possibility, the complex synthesized from this specific method was qualitatively evaluated to determine if it consistently and …