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The difficulty of detecting small quantities of contaminants in water supplies currently threatens the health of millions of people worldwide, as consumption of contaminated water has been associated with both cancerous and noncancerous health risks. Existing technologies make it possible to very accurately quantify contaminant levels in water; however the expense, extensive training, and off-site...
Arsenic contamination of groundwater presents a major obstacle to the development of water infrastructure in developing countries, with severe long-term health consequences. Current solutions for arsenic testing range from simple colorimetric assays to sophisticated laboratory tests. Colorimetric kits are simple and low-cost, yet these types of tests generally suffer from a lack of precision and use...
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