Chitosan is a product of the deacetylation of chitin, which is widely found in nature. Chitosan
is insoluble in water and most organic solvents, which seriously limits both its application …

Quaternary-ammonium chitosan (QAC) is a polysaccharide with good water solubility,
bacteriostasis, and biocompatibility. QAC is obtained by methylating or grafting the …

Chitosan is a biodegradable natural polymer with many advantages such as nontoxicity,
biocompatibility, and biodegradability. It can be applied in many fields, especially in …

Viral infections, in addition to damaging host cells, can compromise the host immune
system, leading to frequent relapse or long-term persistence. Viruses have the capacity to …

Adjuvant is a substance added to vaccine to improve the immunogenicity of antigens, and it
can induce stronger immune responses and reduce the dosage and production cost of …

The unique properties and applications of nanotechnology in targeting drug delivery,
cosmetics, fabrics, water treatment and food packaging have received increased focus the …

Chitosan, derived from chitin, is a biopolymer consisting of arbitrarily distributed β-(1-4)-
linked D-glucosamine and N-acetyl-D-glucosamine that exhibits outstanding properties …

The natural polymer chitosan is the second most abundant biopolymer on earth after chitin
and has been extensively explored for preparation of versatile drug delivery systems. The …

Chitosan (CS) is a natural polymer derived from chitin that has wide applications in drugs,
vaccines, and antigen delivery. The distinctive mucoadhesive, biocompatibility …

Background: The management of various central nervous system (CNS) disorders has been
challenging, due to highly compact blood-brain barrier (BBB) impedes the access of most …