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Plasma-Activated Water/Ultrasound as a Green Method to Modify Wood Fiber By-Product: Insights of Their Mechanical Performance in Polylactic Acid-Based Biofilms.
Biopolymers
March 2025
Centro de Investigación en Química Aplicada, Saltillo, Coahuila, Mexico.
Exploring new ecological and simultaneous processes to modify wood fibers (WF) by-products is a required pathway toward circular economy and sustainability. Thus, plasma-activated water (PAW) and ultrasound (U) were employed as alternative methods to modify WF in a continuous process. Such treatments promoted the etching and cavities on the WF surface that destabilized the hydrogen bonds of the hemicellulose and lignin molecules, increasing the cellulose fraction.
View Article and Find Full Text PDFLPMO-Catalyzed Oxidation of Cellulosic Fibers with Controlled Addition of a Reductant and HO.
ACS Sustain Chem Eng
January 2025
Norwegian University of Life Sciences (NMBU), Faculty of Chemistry, Biotechnology and Food Science, Chr. Magnus Falsens vei 18, Ås 1433, Norway.
Cellulose-derived biomaterials offer a sustainable and versatile platform for various applications. Enzymatic engineering of these fibers, particularly using lytic polysaccharide monooxygenases (LPMOs), shows promise due to the ability to introduce functional groups onto cellulose surfaces, potentially enabling further functionalization. However, harnessing LPMOs for fiber engineering remains challenging, partly because controlling the enzymatic reaction is difficult and partly because limited information is available about how LPMOs modify the fibers.
View Article and Find Full Text PDFApplication of supervised learning models for enhanced lead (II) removal from wastewater via modified cellulose nanocrystals (CNCs).
J Environ Sci Health A Tox Hazard Subst Environ Eng
January 2025
Department of Environmental Science, College of Agriculture and Environmental Sciences, University of South Africa, Florida, South Africa.
Heavy metal ions are acknowledged to impact the environment and human health adversely. CNCs are effective materials for removing heavy metal ions in industrial applications and process innovations since they can be used in static and dynamic adsorption processes. Cost-effective, uncomplicated water treatment technologies must be developed using biodegradable polymers, namely, modified cellulose nanocrystals.
View Article and Find Full Text PDFEnhancing Droplet Spreading on a Hydrophobic Plant Surface by Surfactant/Cellulose Nanocrystal Complexes.
ACS Nano
January 2025
Department of Chemical Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada.
A surfactant is an efficient and common additive used to enhance the spreading of droplets on hydrophobic surfaces. However, a high surfactant concentration is required to achieve the desired performance, resulting in environmental pollution and increased costs. Additionally, the pesticide loading capacity of surfactants at low concentrations (below their critical micelle concentrations) is a concern.
View Article and Find Full Text PDFDevelopment of reed-based cellulose aerogel: a sustainable solution for crude oil spill clean-up.
R Soc Open Sci
January 2025
Faculty of Chemical Engineering, Industrial University of Ho Chi Minh City (IUH), Ho Chi Minh 71420, Vietnam.
This study focused on fabricating a cellulose aerogel for oil spill clean-up, using common reed () as the cellulose source. The process involved isolating cellulose from reed via traditional Kraft pulping, considering the effects of key factors on the isolated cellulose content. After a two-stage HP bleaching sequence, the highest cellulose content achieved was 27.
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