The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
Antimicrobial activity of iron oxide nanoparticle upon modulation of nanoparticle-bacteria interface
Open accessAbstract
Investigating the interaction patterns at nano-bio interface is a key challenge for safe use of nanoparticles (NPs) to any biological system. The study intends to explore the role of interaction pattern at the iron oxide nanoparticle (IONP)-bacteria interface affecting antimicrobial propensity of IONP. To this end, IONP with magnetite like atomic arrangement and negative surface potential (n-IONP) was synthesized by co-precipitation method. Positively charged chitosan molecule coating was used to reverse the surface potential of n-IONP, i.e. positive surface potential IONP (p-IONP). The comparative data from fourier transform infrared spectroscope, XRD and zeta potential analyzer indicated the successful coating of IONP surface with chitosan molecule. Additionally, the nanocrystals obtained were found to have spherical size with 10–20 nm diameter. The BacLight fluorescence assay, bacterial growth kinetic and colony forming unit studies indicated that n-IONP (<50 μM) has insignificant antimicrobial activity against Bacillus subtilis and Escherichia coli. However, coating with chitosan molecule resulted significant increase in antimicrobial propensity of IONP. Additionally, the assay to study reactive oxygen species (ROS) indicated relatively higher ROS production upon p-IONP treatment of the bacteria. The data, altogether, indicated that the chitosan coating of IONP result in interface that enhances ROS production, hence the antimicrobial activity.
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Cites
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Cited by
The antimicrobial activity of nanoparticles: present situation and prospects for the future
Wang, L., Hu, C., & Shao, L. (2017) · International Journal of Nanomedicine · doi:10.2147/ijn.s121956 · Cited by 4,062
Ali, A., Shah, T., Ullah, R., Zhou, P., Guo, M., Ovais, M., Tan, Z., & Rui, Y. (2021) · Frontiers in Chemistry · doi:10.3389/fchem.2021.629054 · Cited by 650
Application of Light Scattering Techniques to Nanoparticle Characterization and Development
Carvalho, P. M., Felício, M. R., Santos, N. C., Gonçalves, S., & Domingues, M. M. (2018) · Frontiers in Chemistry · doi:10.3389/fchem.2018.00237 · Cited by 402
Magnetic Iron Oxide Nanoparticle (IONP) Synthesis to Applications: Present and Future
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Recent advances and future prospects of iron oxide nanoparticles in biomedicine and diagnostics
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Metadata
- Authors
- Arakha, M., Pal, S., Samantarrai, D., Panigrahi, T. K., Mallick, B. C., Pramanik, K., Mallick, B., & Jha, S.
- Venue
- Scientific Reports
- Published
- 2015-10-06
- Volume
- 5
- Issue
- 1
- Pages
- 14813-14813
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2418484391
- Cited by
- 804
- References
- 34
- FWCI
- 15.99
- Type
- journal article
- Language
- en
- Open access
- gold
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