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Battery-operated microplasma coupled to a portable fiber-optic spectrometer and its application for the determination of nano-Silver leaching from garments during washing
Author(s): Shannon Marie McBride; Jessica Remedios; Vassili Karanassios
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Paper Abstract

Microplasmas are those with one critical dimension (e.g., depth, height, or radius) in the micrometer regime. Unlike their lab-scale counterparts that consume 20 Lit/min of expensive inert gas and require 1-2 kW of electrical power, microplasmas consume 0.250 mL/min of inert gas and are operated from a battery. We developed and evaluated a variety of microplasma designs using different substrates (including polymeric ones). Their analytical performance characteristics gradually improved after each design iteration. To demonstrate capabilities, we show that a microplsma coupled to a fiber-optic spectrometer can be used for the determination of Silver (Ag) leaching out from a nano-Ag impregnated garment during washing.

Paper Details

Date Published: 13 May 2019
PDF: 8 pages
Proc. SPIE 10983, Next-Generation Spectroscopic Technologies XII, 1098304 (13 May 2019); doi: 10.1117/12.2519938
Show Author Affiliations
Shannon Marie McBride, Univ. of Waterloo (Canada)
Waterloo Institute for Nanotechnology (Canada)
Jessica Remedios, Univ. of Waterloo (Canada)
Waterloo Institute for Nanotechnology (Canada)
Vassili Karanassios, Univ. of Waterloo (Canada)
Waterloo Institute for Nanotechnology (Canada)


Published in SPIE Proceedings Vol. 10983:
Next-Generation Spectroscopic Technologies XII
Richard A. Crocombe; Luisa T.M. Profeta; Abul K. Azad, Editor(s)

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