Nanoparticle-Based Biocomposite Synthesis and Characterization

Biocomposites based on nanoparticles integrate organic or natural polymer matrices with nanometre-scale fillers to yield materials with tailored mechanical, functional and biological properties. Recent advances focus on sustainable synthesis routes that utilise plant extracts, microbial secretions or biodegradable polymers to produce metal and metalloid nanoparticles within natural matrices. These approaches harness green chemistry principles, eliminating harsh reagents and minimising environmental impact. Characterisation techniques such as transmission electron microscopy, X-ray diffraction and spectroscopic methods unveil nanoparticle size distribution, crystallinity and surface chemistry, while thermal analysis and rheology assess composite stability and mechanical performance. By fine-tuning nanoparticle–matrix interactions, researchers have achieved enhanced antimicrobial activity, improved plant growth stimulation and controlled release of bioactive agents. The resulting biocomposites hold promise across agriculture, biomedicine and environmental remediation, offering biodegradable alternatives to conventional materials. Key challenges remain in scaling synthesis, ensuring reproducibility and fully understanding nanoparticle fate in biological systems. A multidisciplinary strategy, pairing advanced characterisation with rigorous toxicity and efficacy studies, is essential to translate these materials from laboratory innovation to practical applications of global significance.

Research from Nature Portfolio

Recent studies have demonstrated the efficacy of plant-mediated synthesis of silver nanoparticles for wound-healing hydrogels. Botanical extracts serve as reducing and stabilising agents, producing biocompatible silver-loaded gels that exhibit potent antibacterial effects and accelerated skin regeneration in animal models. In parallel, extracellular production of selenium sulfide nanoparticles by yeast strains offers a green, scalable route to metalloid–biopolymer composites. Electron microscopy and elemental mapping confirm uniform nanoparticle formation, while spectroscopic analyses reveal the formation of a stabilising protein corona, enhancing colloidal stability and bioavailability.

Nanoparticle-Based Biocomposite Synthesis and Characterization publication trend

The graph below shows the total number of articles in nanoparticle-based biocomposite synthesis and characterization across all publications each year (not limited to Nature Index journals).

Technical terms

Biocomposite: A composite material combining a biological or biodegradable matrix with reinforcing nanofillers.

Green synthesis: Environmentally friendly fabrication of nanoparticles using biological agents or mild reagents.

Hydrogel: A three-dimensional polymer network capable of absorbing and retaining large amounts of water.

Protein corona: A layer of adsorbed biomolecules that forms around nanoparticles in biological media.

Nanopriming: Pre-treatment of seeds or tubers with nanoparticles to enhance germination and early plant development.

References

1. Hydrogel with silver nanoparticles synthesized by Mimosa tenuiflora for second-degree burns treatment. Scientific Reports (2021).
2. Population Kinetics and Mechanistic Aspects of Saccharomyces cerevisiae Growth in Relation to Selenium Sulfide Nanoparticle Synthesis. Frontiers in Microbiology (2020).
3. Copper-Containing Bionanocomposites Based on Natural Raw Arabinogalactan as Effective Vegetation Stimulators and Agents against Phytopathogens. Polymers (2024).
4. Effect of Selenium Nanocomposites Based on Natural Polymer Matrices on the Biomass and Storage of Potato Tubers in a Field Experiment. Agronomy (2022).