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Antibacterial ability of supported silver nanoparticles by functionalized hydroxyapatite with 5-aminosalicylic acid

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2018
Authors
Lazić, Vesna
Smiciklas, Ivana
Markovic, Jelena
Lončarević, Davor
Dostanić, Jasmina
Ahrenkiel, Scott Phillip
Nedeljković, Jovan M.
Article (Published version)
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Abstract
Antimicrobial performance of silver nanoparticles supported by functionalized hydroxyapatite with 5-aminosalycile acid was tested against Gram-negative bacteria E. coli, Gram-positive bacteria S. aureus and yeast C. albicans. Thorough characterization of materials (electron microscopy, nitrogen adsorption desorption isotherms, diffuse reflectance spectroscopy) followed each step during the course of nanocomposite preparation. Synthesized powder consists of rod-like hydroxyapatite particles (40-60 x 10-20 nm, length x diameter) decorated with nano-sized spherical silver particles whose content in nanocomposite was found to be 1.9 wt.-%. Concentration- and time-dependent bacterial reduction data indicated that use of silver nanoparticles even at concentration as low as 1 mu g mL(-1) lead to complete reduction of both bacteria (E. coli and S. aureus). On the other hand, non-toxic behavior of nanocomposite in broad concentration range (0.05-2.0 mg mL(-1)) was found towards C albicans. Succ...essful inactivation of E. coli and S. aureus in five repeated cycles proved that synthesized nanocomposite can perform under long-run working conditions.

Keywords:
Silver nanoparticles / Hydroxyapatite / 5-Aminosalicylic acid / Antimicrobial ability / Charge-transfer complex
Source:
Vacuum, 2018, 148, 62-68
Publisher:
  • Pergamon-Elsevier Science Ltd, Oxford
Projects:
  • Materials of Reduced Dimensions for Efficient Light Harvesting and Energy conversion (RS-45020)

DOI: 10.1016/j.vacuum.2017.10.039

ISSN: 0042-207X

WoS: 000423636900009

Scopus: 2-s2.0-85033391066
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/2455
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IHTM

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