Browsing by Author "Quinn, Mary"

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    Compact solar autoclave based on steam generation using broadband light-harvesting nanoparticles
    (National Academy of Sciences, 2013) Neumann, Oara; Feronti, Curtis; Neumann, Albert D.; Dong, Anjie; Schell, Kevin; Lu, Benjamin; Kim, Eric; Quinn, Mary; Thompson, Shea; Grady, Nathaniel; Nordlander, Peter; Oden, Maria; Halas, Naomi J.; Laboratory for Nanophotonics; Rice Quantum Institute; Bioengineering; Electrical and Computer Engineering; Civil and Environmental Engineering; Mechanical Engineering; Physics and Astronomy
    The lack of readily available sterilization processes for medicine and dentistry practices in the developing world is a major risk factor for the propagation of disease. Modern medical facilities in the developed world often use autoclave systems to sterilize medical instruments and equipment and process waste that could contain harmful contagions. Here, we show the use of broadband light-absorbing nanoparticles as solar photothermal heaters, which generate high-temperature steam for a standalone, efficient solar autoclave useful for sanitation of instruments or materials in resource-limited, remote locations. Sterilization was verified using a standard Geobacillus stearothermophilus-based biological indicator.