Noverra Mardhatillah Nizardo^1,*, Alifah Nurul Saffanah¹, Annisa Fitri Salsabila¹, Amanda Aurellia Putri¹, Aniek Sri Handayani², Azizah Intan Pangesty³, Mochamad Chalid³

Journal of Renewable Materials, Vol.13, No.6, pp. 1209-1227, 2025, DOI:10.32604/jrm.2025.02024-0068 - 23 June 2025

Abstract Food packaging is becoming popular as the consumption of ready-to-eat food products rises. Easy-to-use, non-biodegradable plastic packaging is commonly used in food packaging, contributing to the deteriorating environmental situation. This issue increases the concern for the environment and encourages the usage of alternative materials. Cellulose nanofibrils (CNF) are abundant and biodegradable, which makes them ideal candidates to replace plastic coatings. The ability to form H-bonds between the hydroxyl groups makes coated paper with CNF have good strength, but poor barrier properties. The barrier properties can be improved by grafting DMAEMA or HEMA onto CNF (CNF-g-PDMAEMA… More > Graphic Abstract

Mariia Dmitrenko¹, Daniel Pasquini^2,*, Marcela Piassi Bernardo², João Marcelo de Lima Alves², Anna Kuzminova¹, Ilnur Dzhakashov¹, Andrey Terentyev³, Alexander Dyachkov³, K. S. Joshy⁴, Maya Jacob John⁵, Sabu Thomas⁴, Anastasia Penkova^1,*

Journal of Renewable Materials, Vol.13, No.6, pp. 1139-1168, 2025, DOI:10.32604/jrm.2025.02024-0023 - 23 June 2025

Abstract Petrochemical plastics are widely used for food protection and preservation; however, they exhibit poor biodegradability, resisting natural degradation through physical, chemical, or enzymatic processes. As a sustainable alternative to conventional plastic packaging, edible films offer effective barriers against moisture, gases, and microbial contamination while being biodegradable, biocompatible, and environmentally friendly. In this study, novel active food packaging materials (in film form) were developed by incorporating starch, carrageenan, nanocellulose (NC), Aloe vera, and hibiscus flower extract. The effects of varying the matrix composition (26.5–73.5 wt.% starch/carrageenan), NC concentration (2.77–17.07 wt.%), and particle type (fibers or crystals) on… More > Graphic Abstract

Belkis Sulbarán-Rangel^1,*, Jorge Armando Caldera Siller¹, Salvador García Enríquez², José Anzaldo-Hernandez², Jenny Arratia-Quijada³, Marianelly Esquivel Alfaro⁴

Journal of Renewable Materials, Vol.13, No.5, pp. 849-863, 2025, DOI:10.32604/jrm.2025.02024-0061 - 20 May 2025

Abstract In this research, the antibacterial properties of a composite material prepared from agave bagasse cellulose fibers doped with silver nanoparticles and chitosan were studied. The development of composite materials with antibacterial properties and environmentally friendly based on cellulose fibers from agave bagasse with silver nanoparticles prepared by green synthesis and chitosan from shrimp waste enhances the value of these agro-industrial wastes and offers the opportunity for them to have biomedical applications since these raw materials have been poorly reported for this application. The antibacterial properties of chitosan and silver nanoparticles are already known. However, the… More > Graphic Abstract

Mohamed El-Sakhawy^1,*, Sally A. Abdel-Halim², Hebat-Allah S. Tohamy¹, Hossam M. El-Masry³, Mona Mohamed AbdelMohsen²

Journal of Renewable Materials, Vol.13, No.5, pp. 981-995, 2025, DOI:10.32604/jrm.2025.02024-0024 - 20 May 2025

Abstract This study prepared and characterized amphiphilic carboxymethyl cellulose stearate (CMCS) recycled from sugarcane bagasse agro-waste (SB). The Fourier-transform infrared (FTIR) analysis confirmed cellulose, carboxymethyl cellulose (CMC), and CMCS structures, with CMCS showing increased H-bonding. X-ray diffraction analysis (XRD) revealed reduced crystallinity in CMC and CMCS. CMCS exhibited a hydrophobic nature but dispersed in water, enabling nanoemulsion formation. Optimal nanoemulsion was achieved with CMCS1, showing a particle size of 99 nm. Transmission electron microscopy (TEM) images revealed CMC’s honeycomb structure, transforming into spherical particles in CMCS1. Antimicrobial tests demonstrated strong activity of CMCS formulations against Escherichia coli More >

Flávia Naves Ferreira do Prado¹, Michelle Garcia Gomes¹, Marcela Piassi Bernardo¹, Daniel Pasquini^1,*, Anízio Márcio de Faria², Luís Carlos de Morais^3,*

Journal of Renewable Materials, Vol.13, No.5, pp. 957-980, 2025, DOI:10.32604/jrm.2025.02024-0014 - 20 May 2025

Abstract Alternative methods for biodiesel purification that focus on ease of operation, cost reduction, and elimination of contaminated residues or that are easier to treat have received more attention. The dry wash route was used as an alternative to the wet route in biodiesel production. Filter membranes were developed based on cellulose nanofibers as the matrix and sugarcane bagasse fibers or soy hulls, as reinforcement to the matrix, before and after two chemical treatments (carboxymethylation and regeneration with sulfuric acid). The filters were characterized by permeability capacity, morphology, wettability, porosity, SEM and mechanical properties. The filtered… More > Graphic Abstract

Vahideh Pourghasemi-Soufiani¹, Farid Amidi-Fazli^1,2,*

Journal of Renewable Materials, Vol.13, No.5, pp. 915-929, 2025, DOI:10.32604/jrm.2025.02024-0009 - 20 May 2025

Abstract Biodegradable packaging has emerged as a viable alternative to non-biodegradable polymers. This study explores different treatments of agar-carboxymethyl cellulose (CMC) nanocomposites developed via the casting method. We investigated the effects of varying glycerol levels (20%–60%) as a plasticizer and nanocellulose levels (0%–30%) as a filler on the properties of agar-CMC nanocomposites. Key properties analyzed included water vapor permeability, solubility in water, moisture absorption, water contact angle, color properties, and mechanical properties. The films exhibited low water vapor permeability, ranging from 2.50 × 10⁻¹¹ g/msPa to 2.23 × 10⁻¹² g/msPa. Water solubility of the films was below… More > Graphic Abstract

Wenny Surya Murtius^1,2,*, Bambang Dwi Argo^3,*, Irnia Nurika¹, Sukardi¹

Journal of Renewable Materials, Vol.13, No.5, pp. 997-1020, 2025, DOI:10.32604/jrm.2025.02024-0004 - 20 May 2025

Abstract A stepwise pretreatment process for coconut dregs (CD) has been investigated to enhance availability of hemicellulose. Recently, lignocellulose-rich agricultural waste such as CD has garnered substantial attention as a sustainable raw material for producing value-added bio-products. To optimize the process variables within the stepwise pretreatment using Pulsed Electric Field (PEF) and Solid-State Fermentation (SSF), Response Surface Methodology (RSM) based on Central Composite Design (CCD) was employed. PEF, a non-thermal physical treatment, offers advantages such as low energy consumption and reduced processing times, while SSF utilizes Pleurotus ostreatus to promote biodegradation. A statistical model was constructed using… More > Graphic Abstract

Shervin Fateh Khanshir¹, Saeed Dinarvand^2,*, Ramtin Fateh Khanshir³

Frontiers in Heat and Mass Transfer, Vol.23, No.2, pp. 663-684, 2025, DOI:10.32604/fhmt.2025.060559 - 25 April 2025

Abstract This article aims to model and analyze the heat and fluid flow characteristics of a carboxymethyl cellulose (CMC) nanofluid within a convergent-divergent shaped microchannel (Two-dimensional). The base fluid, water + CMC (0.5%), is mixed with CuO and Al₂O₃ nanoparticles at volume fractions of 0.5% and 1.5%, respectively. The research is conducted through the conjugate usage of experimental and theoretical models to represent more realistic properties of the non-Newtonian nanofluid. Three types of microchannels including straight, divergent, and convergent are considered, all having the same length and identical inlet cross-sectional area. Using ANSYS FLUENT software, Navier-Stokes equations… More > Graphic Abstract

Amelia Hariry¹, Efri Mardawati^1,2,*, Apri Heri Iswanto³, Tati Karliati⁴, Lukmanul Hakim Zaini^5,6,*, Muhammad Adly Rahandi Lubis^2,7

Journal of Renewable Materials, Vol.13, No.4, pp. 773-798, 2025, DOI:10.32604/jrm.2025.058359 - 21 April 2025

Abstract Nanocellulose-based adhesives are gaining attention as a viable alternative to conventional adhesives, offering benefits such as cost-effectiveness and scalability, which make them suitable for various sectors, including cosmetics, pharmaceuticals, biodegradable products, and as reinforcing agents in natural adhesives. This review delves into the current advancements in nanocellulose-based adhesive solutions for sustainable and eco-friendly wood composites, using systematic review methods and bibliometric analysis. Data were collected from the Scopus database, spanning from 2007 to 2024, and visualized using VOSviewer to highlight emerging trends in the field. The analysis revealed that nanocellulose shows great potential as a More >

Vitalii Chornii^1,2,*, Serhii G. Nedilko¹, Maxim Lazarenko¹, Oleksandr Alekseev¹, Mariia Sosnovs’ka¹, Valerii Barbash³, Olga Yashchenko³, Syed Shabhi Haider⁴, Yaroslav Zhydachevskyy⁴, Andrzej Suchocki⁴

Journal of Renewable Materials, Vol.13, No.4, pp. 653-668, 2025, DOI:10.32604/jrm.2025.058211 - 21 April 2025

Abstract The work deals with cellulose paper filled with nanocellulose and SrAl₂O₄:Eu,Dy oxide phosphor. It was found that both nanocellulose and oxide improve the tensile strength of the composites obtained. The samples with the oxide demonstrate a long-lasting photoluminescence (PL) under sunlight and ultra-violet (UV) illumination. Room-temperature the PL spectra reveal a wide multicomponent band spreading over all the visible spectral regions. The short-wavelength part of the band is ascribed to the cellulose-related luminescence, while the long-wavelength PL component with maxima near 540 nm corresponds to the luminescence of the SrAl₂O₄:Eu,Dy phosphor. The dependency of the PL… More > Graphic Abstract