Enhanced antibacterial activity of TiO2 nanoparticle surface modified with Garcinia zeylanica extract

• Published in: BMC chemistry Vol. 11; no. 1; pp. 1 - 7
• Main Authors: Senarathna, U. L. N. H., Fernando, S. S. N., Gunasekara, T. D. C. P., Weerasekera, M. M., Hewageegana, H. G. S. P., Arachchi, N. D. H., Siriwardena, H. D., Jayaweera, P. M.
• Format: Journal Article
• Language: English
• Published: Cham Springer International Publishing 12-01-2017; Springer Nature B.V
• Subjects: Biological Chemistry; Chemistry; Chemistry and Materials Science; Chemistry/Food Science; Research Article; Methicillin-resistant; Titanium dioxide; Antibacterial
• ISSN: 1752-153X; 1752-153X; 2661-801X
• DOI: 10.1186/s13065-017-0236-x

Background
The antibacterial activity of 21 nm TiO
2
nanoparticles (NPs) and particles modified with
Garcinia zeylanica
(
G. zeylanica
) against Methicillin resistant
Staphylococcus aureus
was investigated in the presence and absence of light.
Results
Surface modification of TiO
2
NPs with the adsorption of
G. zeylanica
extract, causes to shift the absorption edge of TiO
2
NPs to higher wavelength. TiO
2
NPs,
G. zeylanica
pericarp extract showed significant bactericidal activity which was further enhanced in contact with the TiO
2
modified
G. zeylanica
extract.
Conclusions
The antimicrobial activity was enhanced in the presence of TiO
2
NPs modified with
G. zeylanica
and with longer contact time.