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Heavy Metal Ion Sensing By Surface Plasmon Resonance on Gold Nanoparticles
Water Research Center, Sultan Qaboos University.ORCID iD: 0000-0002-0074-3504
2014 (English)In: ADBU Journal of Engineering Technology, ISSN 2348-7305, Vol. 1Article in journal (Refereed) Published
Abstract [en]

Surface Plasmon resonance (SPR) based heavy metal ions sensor is one of the most sensitive sensor for detecting toxic metal ions. It is an inexpensive, portable and also feasible for real time detection. SPR sensor is a type of optical sensor in which toxic metal ions get adsorbed on the functionalized metal (mostly Au) film causes the change in refractive index of the metal (Au)-dielectric (sensing) medium. The change of the refractive index leads to a shift in the angular spectrum of the reflected light and can be accurately monitored by optical methods. In this paper,we are trying to optimize the detection level of heavy metal ions by surface plasmon resonance on gold nanoparticles using UV-VIS spectroscopy. Polymer like chitosan is being used with gold nanoparticles to detect copper and zinc ions and detection till very low concentrations of the toxic metal ions is obtained.

Place, publisher, year, edition, pages
Don Bosco University , 2014. Vol. 1
National Category
Nano Technology
URN: urn:nbn:se:kth:diva-176594OAI: diva2:914206

QC 20160401

Available from: 2016-03-23 Created: 2015-11-07 Last updated: 2016-04-01Bibliographically approved

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Dutta, Joydeep
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