Academic journal article Iranian Journal of Public Health

Evaluation of Antibacterial Properties of Cdse Nanoparticles against Some Pathogenic Bacteria

Academic journal article Iranian Journal of Public Health

Evaluation of Antibacterial Properties of Cdse Nanoparticles against Some Pathogenic Bacteria

Article excerpt

Background: Chemical precipitation method was used in order to synthesize of CdSe quantum dots (2 -3nm). Their physical properties and characteristics were assessed by X-ray diffraction, ultraviolet-visible spectrophotometry and scan- ning tunneling microscopy and it was shown that the ob- tained CdSe quantum dots have a cubic crystal structure.It was also shown that size and optical properties of CdSe quantum dots are related to the temperature (The tempera- ture used by UV-Vis photometer).

Methods: Antibacterial effects of CdSe nanoparticles against some pathogenic bacteria were investigated. Pseudomonas aeru- ginosa, Actinomycet and Salmonella typhi were used as microor- ganisms tested. Disc bacteriological tests were used in order to assess the antibacterial effects of CdSe. The concentrations from 0.3 to 20 mg/mL of CdSe were investigated. …

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