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13 May 2019 Battery-operated microplasma coupled to a portable fiber-optic spectrometer and its application for the determination of nano-Silver leaching from garments during washing
Shannon Marie McBride, Jessica Remedios, Vassili Karanassios
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Proceedings Volume 10983, Next-Generation Spectroscopic Technologies XII; 1098304 (2019) https://doi.org/10.1117/12.2519938
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States
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.
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Shannon Marie McBride, Jessica Remedios, and Vassili Karanassios "Battery-operated microplasma coupled to a portable fiber-optic spectrometer and its application for the determination of nano-Silver leaching from garments during washing", Proc. SPIE 10983, Next-Generation Spectroscopic Technologies XII, 1098304 (13 May 2019); https://doi.org/10.1117/12.2519938
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KEYWORDS
Optical fiber cables
Magnesium
Calcium
Electrodes
Polymers
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