Development of a self-sterilizing lancet coated with a titanium dioxide photocatalytic nano-layer for self-monitoring of blood glucose
作者： Hideaki Nakamura , Masanori Tanaka , Shouji Shinohara , Masao Gotoh , Isao Karube
DOI: 10.1016/J.BIOS.2006.08.018
关键词: Titanium dioxide 、 Nuclear chemistry 、 Titanio 、 Materials science 、 Crystallization 、 Antibacterial agent 、 Sputtering 、 Titanium 、 Photocatalysis 、 Nanotechnology 、 Annealing (metallurgy)
摘要: A photocatalyst was applied to a lancet for pricking the finger obtain an antibacterial property. photocatalytic and uniform nano-layer of titanium dioxide (TiO 2 ) on surface (0.36 mm x 24.5 mm) formed by sputtering annealed crystallization TiO layer. By elementary analysis layer, oxygen were detected. Next, estimation properties resulting from effect, packed into capillary tube filled with suspension Escherichia coli K-12 (non-spore-forming bacterium), continuously rolled in continuous UV-irradiation system under black-light irradiation. Distinct effects after irradiation at 0.5 mW cm -2 45 min observed crystallized layer lancet. Finally, lancing resistances obtained artificial skin sheet examined using control lancets, lancets unannealed or The results showed almost same (0.53 ± 0 N, n = 3) (0.51 0.018 N), while high resistance compared other (0.62 0.05 N). In conclusion, coated crystallized, velvety annealing had similar bare lancet, potential application monitoring blood glucose diabetes.
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