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Antimicrobial Materials: Molecular Developments and Applications

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Materials Science".

Deadline for manuscript submissions: 27 January 2026 | Viewed by 505

Special Issue Editor


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Guest Editor
National Institute for Research and Development in Microtechnologies—IMT Bucharest, National University of Science and Technology POLITEHNICA Bucharest, Voluntari, Romania
Interests: transdermal drug delivery; POC medicine; diagnostic imaging; cancer; biomechanics

Special Issue Information

Dear Colleagues,

Inviting you to contribute to the Special Issue "Antimicrobial Materials: Molecular Developments and Applications" is an honour. As scientists, we already acknowledge a growing demand for improved quality of life through healthcare and other industries and for scientific approaches considered direct or prophylactic interventions. We are also aware that bacterial, fungal, viral, or protozoan infection management continues to be a challenge to the medical and scientific world and engages us all in the continuous process of understanding the materials and their specific multidisciplinary applications towards efficient approaches to direct or prophylactic interventions in medical, pharmaceutical, food, and other relevant industries. The role of researchers is to identify sensitive and specific materials, to combine them synergistically for antimicrobial effects, and to contribute green solutions at nano and micro scales for advanced modalities targeting efficient diagnostic, therapeutic, prophylactic, storage or delivery systems at the societal or POC levels. Therefore, we invite you to share your work and bring antimicrobial materials to our Special Issue.

Dr. Florina Iliescu
Guest Editor

Manuscript Submission Information

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Keywords

  • antimicrobial
  • polymers
  • nanotechnology
  • nanocomposites
  • molecular
  • green systems
  • POC
  • prophylaxis
 

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Published Papers (1 paper)

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Research

16 pages, 3171 KB  
Article
A Simple and Rapid Synthesis of Spherical Silver Phosphate (Ag3PO4) and Its Antimicrobial Activity in Plant Tissue Culture
by Nongnuch Laohavisuti, Banjong Boonchom, Pesak Rungrojchaipon, Wimonmat Boonmee, Somkiat Seesanong and Sirichet Punthipayanon
Int. J. Mol. Sci. 2025, 26(15), 7371; https://doi.org/10.3390/ijms26157371 - 30 Jul 2025
Viewed by 392
Abstract
A simple and rapid precipitation process was successfully employed to prepare silver phosphate (SP, Ag3PO4). Two different phosphate sources: diammonium hydrogen phosphate ((NH4)2HPO4) and dipotassium hydrogen phosphate (K2HPO4) were [...] Read more.
A simple and rapid precipitation process was successfully employed to prepare silver phosphate (SP, Ag3PO4). Two different phosphate sources: diammonium hydrogen phosphate ((NH4)2HPO4) and dipotassium hydrogen phosphate (K2HPO4) were applied separately as the precursor, obtaining ((NH4)2HPO4) and K2HPO4 derived SP powders, named SP-A or SP-P, respectively. Fourier transform infrared (FTIR) spectra pointed out the vibrational characteristics of P–O and O–P–O interactions, confirming the presence of the PO43– functional group for SP. X-ray diffraction (XRD) patterns revealed that the SP crystallized in a cubic crystal structure. Whereas the field emission scanning electron microscope (FESEM) exposed spherical SP particles. The potentially antibacterial activity of SP-A and SP-P against bacterial Bacillus stratosphericus, yeast Meyerozyma guilliermondii, and fungal Phanerodontia chrysosporium was subsequently investigated. All studied microorganisms were recovered and isolated from the aquatic plant during the tissue culture process. The preliminary result of the antimicrobial test revealed that SP-A has higher antimicrobial activity than SP-P. The superior antimicrobial efficiency of SP-A compared to SP-P may be attributed to its purity and crystallite size, which provide a higher surface area and more active sites. In addition, the presence of potassium-related impurities in SP-P could have negatively affected its antimicrobial performance. These findings suggest that SP holds potential as an antimicrobial agent for maintaining sterility in tissue cultures, particularly in aquatic plant systems. The growth of both B. stratosphericus and M. guilliermondii was suppressed effectively at 30 ppm SP-A, whereas 10 ppm of SP-A can suppress P. chrysosporium development. This present work also highlights the potential of SP at very low concentrations (10–30 ppm) for utilization as an effective antimicrobial agent in tissue culture, compared to a commercial antimicrobial agent, viz., acetic acid, at the same concentration. Full article
(This article belongs to the Special Issue Antimicrobial Materials: Molecular Developments and Applications)
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