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Microwave‐Assisted Synthesis of Nanocrystalline MgO and Its Use as a Bacteriocide
Author(s) -
Makhluf S.,
Dror R.,
Nitzan Y.,
Abramovich Y.,
Jelinek R.,
Gedanken A.
Publication year - 2005
Publication title -
advanced functional materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 6.069
H-Index - 322
eISSN - 1616-3028
pISSN - 1616-301X
DOI - 10.1002/adfm.200500029
Subject(s) - nanocrystalline material , materials science , ethylene glycol , nanoparticle , particle size , microwave , escherichia coli , bacteria , antibacterial activity , chemical engineering , nanocrystal , staphylococcus aureus , nuclear chemistry , nanotechnology , biochemistry , chemistry , biology , physics , genetics , quantum mechanics , engineering , gene
Nanocrystalline particles of MgO were synthesized using microwave radiation in an ethylene glycol solution. The antibacterial activities of the MgO nanoparticles were tested by treating Escherichia coli (Gram negative) and Staphylococcus aureus (Gram positive) cultures with 1 mg mL –1 of the nanoparticles. We have examined the importance of the size effect, pH, and the form of the active MgO species as a bactericidal agent. A clear size dependence of the nanoparticles is observed where the amount of eradicated bacteria was strongly dependent on the particle size.