Antibacterial activity of iron oxide nanoparticles synthesized by co-precipitation technology against Bacillus cereus and Klebsiella pneumoniae-Reference-Cited by-同舟云学术

Antibacterial activity of iron oxide nanoparticles synthesized by co-precipitation technology against Bacillus cereus and Klebsiella pneumoniae

Published:2017-12-01 Issue:4 Volume:19 Page:110-115
ISSN:1899-4741
Container-title:Polish Journal of Chemical Technology
language:en
Short-container-title:

Author:

Ansari Shakeel Ahmed¹,Oves Mohammad²,Satar Rukhsana³,Khan Anish⁴,Ahmad Syed Ismail⁵,Jafri Mohammad Alam¹,Zaidi Syed Kashif¹,Alqahtani Mohammad Husein¹

Affiliation:

1. King Abdulaziz University , Center of Excellence in Genomic Medicine Research , Jeddah - 21589 , Kingdom of Saudi Arabia

2. King Abdulaziz University , Center of Excellence in Environmental Studies , Jeddah - 21418 , Kingdom of Saudi Arabia

3. Ibn Sina National College for Medical Sciences, Department of Biochemistry , Jeddah - 21418 , Kingdom of Saudi Arabia

4. King Abdulaziz University , Center of Excellence for Advanced Materials Research , Jeddah - 21589 , Kingdom of Saudi Arabia

5. Ibn Sina National College for Medical Sciences, Physics Division, Basic Science Department , Jeddah - 21418 , Kingdom of Saudi Arabia

Abstract

Abstract The present study investigates the synthesis and characterization of iron oxide nanoparticles (Fe3O4-NPs) for their antibacterial potential against Bacillus cereus and Klebsiella pneumonia by modified disc diffusion and broth agar dilution methods. DLS and XRD results revealed the average size of synthesized Fe3O4-NPs as 24 nm while XPS measurement exhibited the spin-orbit peak of Fe 2p3/2 binding energy at 511 eV. Fe3O4-NPs inhibited the growth of K. pneumoniae and B. cereus in both liquid and soild agar media, and displayed 26 mm and 22 mm zone of inhibitions, respectively. MIC of Fe3O4-NPs was found to be 5 μg/mL against these strains. However, MBC for these strains was observed at 40 μg/mL concentration of Fe3O4-NPs for exhibiting 40–50% loss in viable bacterial cells and 80 μg/mL concentration of Fe3O4-NPs acted as bactericidal for causing 90–99% loss in viability. Hence, these nanoparticles can be explored for their additional antimicrobial and biomedical applications.

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry,Biotechnology

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