Zero-Valent Iron Nanoparticles: Biogenic Synthesis and their Medical Applications; Existing Challenges and Future Prospects

Author:

Hayat Minahil1,Bukhari Sayyad Ali Raza1,Irfan Muhammad1,Hayat Sumreen2

Affiliation:

1. Department of Biotechnology, University of Sargodha, Sargodha, Pakistan.

2. Institute of Microbiology, Government College University Faisalabad, Pakistan.

Abstract

Objective: In the last decade, nanobiotechnology is emerging as a keen prudence area owing to its widespread applications in the medical field. In this context, zero-valent iron nanoparticles (nZVI) have garnered tremendous attention attributed to their cheap, non-toxic, excellent paramagnetic nature, extremely reactive surface, and dual oxidation state that makes them excellent antioxidants and free-radical scavengers. Facile biogenic synthesis, in which a biological source is used as a template for the synthesis of NPs, is presumably dominant among other physical and chemical synthetic procedures. The purpose of this review is to elucidate plant-mediated synthesis of nZVI, although they have been successfully fabricated by microbes and other biological entities (such as starch, chitosan, alginate, cashew nut shell, etc.) as well. Methods: The methodology of the study involved keyword searches of electronic databases, including ScienceDirect, NCBI, and Google Scholar (2008-2023). Search terms of the review included ‘biogenic synthesis of nZVI’, ‘plant-mediated synthesis of nZVI’, ‘medical applications of nZVI’, and ‘Recent advancements and future prospects of nZVI’. Results: Various articles were identified and reviewed for biogenic fabrication of stable nZVI with the vast majority of studies reporting positive findings. The resultant nanomaterial found great interest for biomedical purposes such as their use as biocompatible anticancer, antimicrobial, antioxidant, and albumin binding agents that have not been adequately accessed in previous studies. Conclusion: This review shows that there are potential cost savings applications to be made when using biogenic nZVI for medical purposes. However, the encountering challenges concluded later, along with the prospects for sustainable future development.

Publisher

Bentham Science Publishers Ltd.

Subject

Pharmaceutical Science,Biotechnology

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