Final answer:
The statement "Adjusting chitin deacetylation can reduce oxygen permeability in coatings made of chitin and cellulose nanomaterials." is true.
Step-by-step explanation:
Chitin is a natural polymer found in the exoskeletons of arthropods and insects, and it can be chemically modified through deacetylation to produce chitosan. Both chitin and chitosan have been investigated for their potential use in various applications, including coatings. These materials possess interesting properties, and adjusting the degree of deacetylation can influence their characteristics.
If chitin deacetylation is adjusted, it can alter the properties of chitosan, potentially affecting its permeability characteristics. Therefore, it is plausible that adjusting chitin deacetylation could influence oxygen permeability in coatings made of chitin and cellulose nanomaterials. However, for a more accurate assessment, specific details about the study, context, and experimental conditions would be needed.