10.1007/s40089-019-0268-4

Sol–gel auto-combustion mediated cobalt ferrite nanoparticles: a potential material for antimicrobial applications

  1. School of Life Sciences, Swami Ramanand Teerth Marathwada University, Nanded, MS, IN Department of Botany, DSM’S ACS, College, Parbhani, MS, IN
  2. Department of Physics, Dr, Bababsaheb Ambedkar Marathwada University, Aurangabad, MS, IN
  3. School of Life Sciences, Swami Ramanand Teerth Marathwada University, Nanded, MS, IN
  4. Department of Botany, DSM’S ACS, College, Parbhani, MS, IN
  5. School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded, MS, IN
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Published in Issue 2019-03-14

How to Cite

Sharma, R. P., Raut, S. D., Mulani, R. M., Kadam, A. S., & Mane, R. S. (2019). Sol–gel auto-combustion mediated cobalt ferrite nanoparticles: a potential material for antimicrobial applications. International Nano Letters, 9(2 (June 2019). https://doi.org/10.1007/s40089-019-0268-4

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Abstract

Abstract In the era of nanotechnology, nanoparticles (NPs) of metals and metal oxides/chalcogenides are widely been used in medical applications where antibiotic-resistant microorganisms become a serious threat to the human health. Cobalt ferrite (CoFe 2 O 4 ) NPs, synthesized by a simple and cost-effective sol–gel auto-combustion method are envisaged for in vitro antimicrobial activities against Gram-positive bacteria ( Bacillus subtilis; Staphylococcus aureus ) and Gram-negative bacteria ( Escherichia coli; Pseudomonas aeruginosa ). The structure, morphology, elemental analyses and surface area of CoFe 2 O 4 NPs are initially screened. The antimicrobial efficiency of CoFe 2 O 4 NPs is found to be optimum against the Gram-negative bacteria Escherichia coli (15 mm). In addition, membrane leakage assays performed to evaluate the intracellular cytoplasmic leakage with CoFe 2 O 4 NPs demonstrate the ability to destroy the bacterial membrane integrity, confirming their antimicrobial potential.

Keywords

  • Antimicrobial activity,
  • Membrane damage,
  • Cobalt ferrite nanoparticles (CoFe2O4 NPs),
  • Sol–gel auto-combustion method

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