Gold Nanoparticles Conjugated Levofloxacin: For Improved Antibacterial Activity Over Levofloxacin Alone.

Abstract:

BACKGROUND:Levofloxacin is a potent antibiotic with severe side effects due to its high doses. Bacterial resistance may be due to frequent use of antibiotics. Biogenic gold nanoparticles conjugated levofloxacin (Au-HSA-LvN-NPs) were developed by Human Serum Albumin (HSA) and nitrate reductasemediated pathways. METHODS:Au-HSA-LvN-NPs (size = 27.2 ± 1 nm) were readily generated with high emulsion stability zeta potential (-13.3 mV). The developed nanoparticles were also characterized by UVvisible spectroscopy, Transmission Electron Microscopy and Dynamic Light Scattering techniques. RESULTS:The optimized nanoparticles were found efficient against both Gram-positive bacteria and Gramnegative bacteria specifically S. aureus (MIC-0.373 µg/ml), E. coli (MIC-0.149 µg/ml) and P. aeruginosa (MIC-0.346 µg/ml) respectively. CONCLUSION:The efficiency of bioconjugated levofloxacin got improved by 1.94 times, 2.89 times and 1.46 times against S. aureus, E. coli and P. aeruginosa respectively, in comparison to pure levofloxacin.

journal_name

Curr Drug Deliv

journal_title

Current drug delivery

authors

Bagga P,Siddiqui HH,Akhtar J,Mahmood T,Zahera M,Khan MS

doi

10.2174/1567201814666170316113432

subject

Has Abstract

pub_date

2017-01-01 00:00:00

pages

1114-1119

issue

8

eissn

1567-2018

issn

1875-5704

pii

CDD-EPUB-82323

journal_volume

14

pub_type

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