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Novel Antimicrobial Polymers: Preparation, Characterization and Applications

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 31 July 2025 | Viewed by 437

Special Issue Editors


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Guest Editor
Centro de Investigación y Desarrollo Tecnológico en Electroquímica (CIDETEQ) S. C., Parque Tecnológico Querétaro s/n, Sanfandila, Pedro Escobedo, Querétaro 76703, Mexico
Interests: antimicrobial; nanomaterials; materials science; polymers; nanocomposites
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Guest Editor
Departamento de Biología, División de Ciencias Naturales y Exactas, Universidad de Guanajuato, Noria Alta s/n, Guanajuato 36050, Mexico
Interests: biochemistry; molecular biology; microbiology; antimicrobials

Special Issue Information

Dear Colleagues,

Bacterial resistance has been considered an important public health issue worldwide. The use of antimicrobial nanomaterials as functional additives in polymers represents a novel strategy to prevent pathogen propagation. Key factors for the successful formulation of nanostructured antimicrobials include high nanoparticle dispersion into the polymer matrix and their compatibilization, aiming to transfer the intrinsic features of nanostructures to the material, with potential applications in healthcare, biomedicine, sensors, and water potabilization. This Special Issue considers the synthesis, characterization, and validation of antimicrobial nanomaterials, their impact on incorporating a polymer matrix as support, and their antimicrobial response with potential biological applications.

Dr. Beatriz Liliana España-Sánchez
Prof. Dr. Felipe Padilla-Vaca
Guest Editors

Manuscript Submission Information

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Keywords

  • antimicrobial
  • nanomaterials
  • nanocomposites

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Published Papers (1 paper)

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Research

14 pages, 2496 KiB  
Article
Methylcellulose–Alginate Composite Bead Incorporating Ethanol and Clove Essential Oil: Properties and Its Application in Bakery Products
by Jurmkwan Sangsuwan, Prem Thongchai and Kanarat Nalampang
Polymers 2025, 17(10), 1377; https://doi.org/10.3390/polym17101377 - 17 May 2025
Viewed by 289
Abstract
Antifungal composite beads were prepared using a methylcellulose, alginate, and ethanol solution with the ionic gelation method and ethanol beads (E). A total of 1.0 mL of clove essential oil (CEO) and 1.0 g of vanillin were added to provide an antifungal effect [...] Read more.
Antifungal composite beads were prepared using a methylcellulose, alginate, and ethanol solution with the ionic gelation method and ethanol beads (E). A total of 1.0 mL of clove essential oil (CEO) and 1.0 g of vanillin were added to provide an antifungal effect against Aspergillus flavus and Rhizopus stolonifera. Four bead formulations were prepared: ethanol beads (E), ethanol beads containing CEO (EC), ethanol beads containing vanillin (EV), and ethanol beads containing vanillin and CEO (EVC). Ethanol beads were transparent and spherical, whereas those containing CEO or vanillin were spherical and opaque, with diameters ranging from 2.1 to 2.4 mm. The surface and pores in the polymer matrix were investigated in relation to the encapsulation and release of antifungal agents. The bursting release of ethanol and CEO occurred on the first day. Antifungal assays on potato dextrose agar against Aspergillus flavus and Rhizopus stolonifera showed that beads containing CEO (EC and EVC) provided superior inhibition, particularly at a dosage of 1.0 g. In butter cake preservation tests, packaging the butter cake with a sachet containing 1.0 g of EC or EVC beads can extend the shelf life by two days, delaying visible mold growth from day 5 to day 7 compared to the control. Full article
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