New biocide from silver and titanium
Vietnamese scientists have created a new synthetic material - nano-sized Ag / TiO2 material with strong bactericidal ability.
Vietnamese scientists have created a new synthetic material - nano-sized Ag / TiO2 material with strong bactericidal ability.
Vietnam Institute of Science and Technology and Hanoi University of Science and Technology have successfully researched and tested a new synthetic material - nano-sized Ag / TiO 2 material capable of killing 100% of bacteria E .coli.
Morphology of Ag / TiO2 material on microscopic images
transmission electron (TEM). (Photo: Vietnam Institute of Science and Technology)
The bactericidal activity of Ag / TiO 2 (Ag particles about 8-10nm in size are carried on the surface of TiO2 particles with the size of about 120nm. 1nm = 1 billionth of a meter; the width of a human hair is about 50,000 nm) was assessed by the colony count method on bacteria represented by E.coli.
After 10 minutes of contact with Ag / TiO2 catalyst, E.coli bacteria were completely destroyed.
Dr. Tran Quang Vinh, Institute of Chemistry, member of the research team said that the successful study of bactericidal Ag / TiO 2 synthetic materials will contribute to perfecting the technology of producing nano-silver materials on substances. Different background. Since then, creating new materials for application in medicine, environmental technology as antifungal and antibacterial agents.
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