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Tin Oxide-Silver Composite Nanomaterial Coating for UV Protection and Its Bactericidal Effect on Escherichia coli (E. coli)

1
Solid State Physics Laboratory, De La Salle University-Manila, 2401 Taft Ave., Manila 1004, Philippines
2
National Institute of Physics, University of the Philippines, Diliman Quezon City 1101, Philippines
3
Research Center for Development of Far-Infrared Region, University of Fukui, Fukui 910-8507, Japan
*
Author to whom correspondence should be addressed.
Coatings 2014, 4(2), 320-328; https://doi.org/10.3390/coatings4020320
Received: 4 December 2013 / Revised: 23 April 2014 / Accepted: 29 April 2014 / Published: 6 May 2014
SnO2-Ag composite nanomaterials of mass ratio 1:4, 2:3, 3:2 and 4:1 were fabricated and tested for toxicity to E. coli using the pour-plate technique. The said nanomaterials were mixed with laminating fluid and then coated on glass slides. The intensity of UVA transmitted through the coated glass slides was measured. Results revealed that the 1:4 ratios of SnO2-Ag composite nanomaterials have the optimum toxicity to E. coli. Furthermore, the glass slides coated with SnO2 nanomaterial showed the lowest intensity of transmitted UVA. View Full-Text
Keywords: horizontal vapor phase growth (HVPG) technique; antimicrobial; UV-property; tin-oxide silver nanocomposite materials; UV-VIS spectrophotometer; FT-IR spectrometer horizontal vapor phase growth (HVPG) technique; antimicrobial; UV-property; tin-oxide silver nanocomposite materials; UV-VIS spectrophotometer; FT-IR spectrometer
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Santos, G.N.C.; Tibayan, E.B.; Castillon, G.B.; Estacio, E.; Furuya, T.; Iwamae, A.; Yamamoto, K.; Tani, M. Tin Oxide-Silver Composite Nanomaterial Coating for UV Protection and Its Bactericidal Effect on Escherichia coli (E. coli). Coatings 2014, 4, 320-328.

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