Investigating Nanomaterials for Improved Barrier Properties in Food Packaging

Deleted Journal, Journal Year: 2025, Volume and Issue: 2(2)

Published: Jan. 13, 2025

This review examines the potential of nanomaterials in revolutionizing food packaging, focusing on their role enhancing barrier properties and extending shelf life packaged foods. Traditional packaging materials often fall short effectively protecting against oxygen, moisture, UV light, resulting diminished quality shorter life. Nanomaterials, including nanoclays, metal oxide nanoparticles (e.g., ZnO, TiO₂), carbon-based graphene, carbon nanotubes), biodegradable options like cellulose nanocrystals, have emerged as promising solutions. These offer exceptional gas moisture properties, antimicrobial effects, protection capabilities. The provides an in-depth exploration various nanomaterials, highlighting distinctive mechanisms; such tortuosity which enhance performance by limiting permeability. It also discusses recent advancements integrating into both flexible rigid systems, well active intelligent that employs nanosensors for real-time monitoring freshness spoilage. Despite potential, challenges toxicity concerns, environmental impacts, economic constraints to large-scale adoption are addressed. emphasizes need future research dual-function can simultaneously improve enable sensing. innovations could transform technologies, promoting enhanced safety sustainability.

Language: Английский

Lignocellulosic Biocomposite Membranes for Air Filtration and Environmental Protection: A Review

JOURNAL OF RENEWABLE MATERIALS, Journal Year: 2025, Volume and Issue: 0(0), P. 1 - 10

Published: Jan. 1, 2025

The increasing severity of air pollution necessitates more effective and sustained filtration technology.Concurrently, the desire for environmentally friendly, sustainable materials with better filtering performance less environmental impact drives move away from conventional synthetic membranes.This review presents lignocellulosic biocomposite (LigBioComp) membranes as an alternative to traditional membranes.It focuses on their materials, fabrication, functionalization techniques while exploring challenges proposing methods resourceful utilization.Renowned abundance renewable nature, consist cellulose, hemicellulose, lignin.Various applications can benefit antibacterial properties, large surface area, remarkable mechanical strength.LigBioComp are fabricated through casting, electrospinning, freeze-drying, advancements in fabrication enhancing applicability.It is suggested use solvent-free or low-solvent such Layer-by-Layer assembly minimize impact.Freeze-drying electrospinning green solvents be used achieving specific membrane though energy consumption should considered.Apply dry-wet spinning solvent casting processes selectively.Functional groups, including carboxyl, hydroxyl, amino significantly improve membrane's capacity capture particulate matter.Chemical etching precise deposition nanoparticles further optimize pore size distribution.The choice chemicals critical functionalization, silane coupling agents, polyethyleneimine, polydopamine.Future research prioritize refining methods, advancing strategies, conducting recyclability assessments hybrid composite materials.This will enhance integrated systems contribute development smart filters.

Language: Английский

Selective nucleation of chitin nanocrystals in the crystallization of poly(ε-caprolactone-b- -lactide) diblock copolymer composites

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 140919 - 140919

Published: Feb. 1, 2025

Language: Английский