Chitin nanocrystals based complex fluids: a green nanotechnology

Sunil Kumar, Jalal Foroozesh*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Chitin biopolymer has received significant attention recently by many industries as a green technology. Nanotechnology has been used to make chitin nanocrystals (ChiNCs) that are rod-shaped natural nanomaterials with nanoscale size. Owing to the unique features such as biodegradability, biocompatibility, renewability, rod-shape, and excellent surface and interfacial, physiochemical, and thermo-mechanical properties; ChiNCs have been green and attractive products with wide applications specifically in medical and pharmaceutical, food and packaging, cosmetic, electrical, and electronic, and also in the oil and gas industry. This review aims to give a comprehensive and applied insight into ChiNCs technology. It starts with reviewing different sources of chitin and their extraction methods followed by the characterization of ChiNCs. Furthermore, a detailed investigation into various complex fluids (dispersions, emulsions, foams, and gels) stabilized by ChiNCs and their characterisation have been thoroughly deliberated. Finally, the current status including ground-breaking applications, untapped investigations, and future prospective have been presented.

Original languageEnglish
Article number117619
Number of pages19
JournalCarbohydrate Polymers
Early online date7 Jan 2021
Publication statusPublished - 1 Apr 2021


  • biopolymer
  • chitin
  • chitin nanocrystals
  • complex fluids
  • nanotechnology


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