Eco-friendly food packaging based on paper coated with a bio-based antibacterial coating composed of carbamate starch, calcium lignosulfonate, cellulose nanofibrils, and silver nanoparticles.

Traditional paper-based packaging commonly needs to be coated to achieve sufficient mechanical and barrier performances. In this research, a bio-based coating for paper was developed from carbamate starch (Sc), calcium lignosulfonate (CL), and cellulose nanofibrils (CNF). Controlling the electrostatic and hydrogen-bonding interactions among the components of the coating was conducive to tailoring the structure and performance of the coated paper.

The Lysine Demethylase KDM7A Regulates Immediate Early Genes in Neurons.

Lysine demethylase KDM7A removes histone modifications H3K9me1/2 and H3K27me1/2. KDM7A plays critical roles in gene expression and contribute to biological processes including tumorigenesis, metabolism, and embryonic development. However, the functions of KDM7A in mammalian nervous system are still poorly explored.

Tough, antibacterial fish scale gelatin/chitosan film with excellent water vapor and UV-blocking performance comprising liquefied chitin and silica sol.

Developing biodegradable, and non-toxic materials to replace petrochemical polymers is important. Herein, the waste fish scale-derived gelatin was chosen to prepare an environmental-friendly film. While the natural product of fish scale gelatin (FSG) films has the weakness of low humidity stability, poor antibacterial activity, poor mechanical strength, and weak UV absorption.