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Functional Nanocomposites: Synthesis, Characterization, and Applications

A Special Issue of Materials (ISSN 1996-1944) belonging to the section "Advanced Nanomaterials and Nanotechnology".

Deadline for manuscript submissions: 20 September 2026 | Viewed by 897

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Guest Editor
Faculty of Science and Technology, Institute of Materials Engineering, University of Silesia, 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland
Interests: nanomaterials; composite systems; multifunctional structures; silica-based systems; infrared and Raman spectroscopy
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Special Issue Information

Dear Colleagues,

The development of functional nanoparticles and nanocomposites represents a cornerstone of modern materials science, enabling the rational design of materials whose properties are governed by nanoscale structure, surface chemistry, and interfacial phenomena. An increasingly important strategy in this field, often described as evolutionary nanotechnology, focuses on transforming well-established materials and processes through controlled nanoscale engineering, thereby unlocking performance characteristics unattainable in bulk systems. At the nanoscale, phenomena such as enhanced surface reactivity, quantum confinement, tunable porosity, and cooperative interfacial effects become dominant, providing unprecedented opportunities for functional optimization.

The integration of functional nanoparticles into nanocomposite architectures further extends their applicability by combining nanoscale effects with macroscopic processability and mechanical integrity. Nanocomposites allow the synergistic coupling of nanoparticle functionality with polymeric, ceramic, metallic, or hybrid matrices, enabling precise control over structure–property–performance relationships. Such systems have demonstrated substantial improvements in durability, multifunctionality, and application-specific performance in fields ranging from electronics and energy storage to construction materials, drug delivery, and tissue engineering.

Equally critical to the advancement of this field is the development of reliable synthesis routes, including sol–gel processing, self-assembly, templating, surface grafting, and green synthesis approaches, along with advanced characterization techniques capable of resolving structure, composition, surface chemistry, and functional behavior across multiple length scales. Comprehensive characterization, employing spectroscopic, microscopic, scattering, and kinetic methods, is essential for establishing mechanistic understanding and guiding rational material design.

In light of these advances, this Special Issue, “Functional Nanocomposites: Synthesis, Characterization, and Applications,” aims to provide a focused platform for high-quality original research that bridges fundamental material design with practical implementation. We invite contributions that address innovative synthesis strategies, in-depth structural and functional characterization, and application-oriented studies demonstrating the performance of functional nanocomposites in real or model systems. Through this Special Issue, we seek to highlight cutting-edge developments and promote interdisciplinary exchange that advances both the scientific understanding and technological impact of nanoscale materials.

Prof. Dr. Mateusz Dulski
Guest Editor

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Keywords

  • functional nanoparticles
  • porous and mesoporous nanomaterials
  • hybrid and hierarchical nanostructures
  • nanocomposites and multifunctional materials
  • surface functionalization and chemical modification
  • host–guest and coordination-based systems
  • controlled synthesis strategies
  • structure–property relationships
  • advanced physicochemical characterization (optical, magnetic, electronic, catalytic)
  • biofunctional nanomaterials and biological performance

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Published Papers (1 paper)

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Research

34 pages, 5164 KB  
Article
Metal Oxide Nanocomposites as Next-Generation Antimicrobial Agents Against Oral Cariogenic Pathogens: Mechanistic Actions of Ag–ZnO and Cu–ZnO on S. mutans and S. sobrinus
by Mohamed I. Ahmed, Anna Nowak, Mateusz Dulski, Aleksandra Strach, Aleksandra Zielińska, Monika Paul-Samojedny, Izabela Potocka, Krzysztof Matus and Daniel Wasilkowski
Materials 2026, 19(8), 1634; https://doi.org/10.3390/ma19081634 - 19 Apr 2026
Cited by 1 | Viewed by 584
Abstract
Oral infections caused by antibiotic-resistant bacteria represent an emerging biomedical hazard and growing challenge for modern dentistry. To address this issue, Ag– and Cu–ZnO nanocomposites (NCs) were synthesized using ZnO carrier to combat the oral pathogens Streptococcus mutans and Streptococcus sobrinus. A [...] Read more.
Oral infections caused by antibiotic-resistant bacteria represent an emerging biomedical hazard and growing challenge for modern dentistry. To address this issue, Ag– and Cu–ZnO nanocomposites (NCs) were synthesized using ZnO carrier to combat the oral pathogens Streptococcus mutans and Streptococcus sobrinus. A comprehensive analysis of chemically synthesized metal oxide nanocomposites (MONCs) was performed, combining physicochemical characterization (TEM, XRD, ζ-potential, DLS, pH, and PFO/PSO kinetic models) with biological toxicity assessment (MIC, ATR–FTIR, SEM, and FAMEs) to better understand their antimicrobial mechanisms. The results confirmed that the synthesized nanoproducts fulfill the criteria for nanomaterials (NMs) (particle size < 100 nm). Among them, Ag–ZnO exhibited the highest antibacterial activity against both strains (MIC = 50 mg L−1). Kinetic modeling revealed faster and more efficient Ag ion release from Ag–ZnO NCs compared to Cu from Cu–ZnO NCs. Molecular analyses indicated strong MONC–bacterial interactions at the cell surface, leading to changes in protein secondary structures, alterations in lipid composition, and disruption of Gram-positive bacterial membranes. Additionally, Ag–ZnO inhibited chain and cluster formation in both bacterial species, while Cu–ZnO affected only S. sobrinus. Overall, Ag– and Cu–ZnO NCs show strong potential as antimicrobial agents against oral pathogens. Full article
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