Patent ID: 11884784
Assignee: NORTH CAROLINA STATE UNIVERSITY
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  G | IPC C  G

Claim 0:
1. A composition comprising:
a natural polymer scaffold, wherein the natural polymer scaffold is selected from the group consisting of: nanocrystalline cellulose, cellulose fibers, lignin, chitin, chitosan, nanofibrillated chitosan, poly-glucosamine, wool, silk, cotton, and any permissible combinations thereof; and
a photosensitizer, wherein the photosensitizer is attached to the natural polymer scaffold by a non-covalent bond, wherein the non-covalent bond is an electrostatic interaction, hydrogen-bonding interaction, or a hydrophobic interaction, and wherein the photosensitizer is a positively charged photosensitizer.