Related Experiment Video
Updated: Apr 7, 2026
Towards Biomimicking Wood: Fabricated Free-standing Films of Nanocellulose, Lignin, and a Synthetic Polycation
Published on: June 17, 2014
Integrated assembly the multifunctional composite films using carbon dots greenly synthesized in situ on cellulose
Lijuan Lan1, Jiazhen Cao1, Zichen Li1
1School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China.
Abstract:
Cellulose nanofiber (CNF) is an excellent template, while Carbon dots (CDs), as zero-dimensional nanomaterials with outstanding characteristics, offer potential when composited with CNF. However, conventional synthesis of CDs/CNF composites suffer from inefficiency and poor interfacial compatibility. In this study, an innovative, green and efficient approach to synthesize CDs/CNF composite films using cold plasma (CP) treatment on CNF templates was proposed. Carboxyl groups on CNF were activated to anchor o-phenylenediamine, which were then converted into CDs via CP-induced reactions at room temperature and atmospheric pressure. This one-pot process avoided high temperatures and complex purification. The obtained films exhibited strong antioxidant activity (38.4% DPPH and 85.6% ABTS radical scavenging rates), UV blocking rate 75.0%, and antibacterial efficacy against Escherichia coli and Staphylococcus aureus. In mango preservation tests, the film maintained quality and extended shelf life by approximately 4 days at room temperature. This work provided a novel route for active packaging materials.
More Related Videos
07:25Green and Low-cost Production of Thermally Stable and Carboxylated Cellulose Nanocrystals and Nanofibrils Using Highly Recyclable Dicarboxylic Acids
Published on: January 9, 2017
05:32Author Spotlight: Unlocking Plant Transformation by Innovating with Carbon Nanofiber Arrays
Published on: July 21, 2023
