Nowadays, biopolymers as intelligent and active biopolymer systems in the food and
pharmaceutical industry are of considerable interest in their use. With this association in …

Mucoadhesive drug delivery systems are desirable as they can increase the residence time
of drugs at the site of absorption/action, provide sustained drug release and minimize the …

Abstract According to the Alzheimer Association Report (2017), Alzheimer's disease (AD) is
the 6th primary cause of death in the USA, which affects nearly 5.5 million people. In the …

Mucus is a selective barrier to particles and molecules, preventing penetration to the
epithelial surface of mucosal tissues. Significant advances in transmucosal drug delivery …

Natural occurring polymers, or biopolymers, represent a huge part of our planet biomass.
They are formed by long chains of monomers of the same type or a combination of different …

This review outlines the new developments on chitosan-based bioapplications. Over the last
decade, functional biomaterials research has developed new drug delivery systems and …

Chitosan is a natural polysaccharide that has attracted significant scientific interest during
the last two decades. It is a potentially biologically compatible material that is chemically …

There is an obvious need for efficient and safe nasal absorption enhancers for the
development of therapeutically efficacious nasal products for small hydrophilic drugs …

Chitin and its deacetylated derivative chitosan are natural polymers composed of randomly
distributed β-(1-4)-linked D-glucosamine (deacetylated unit) and N-acetyl-D-glucosamine …

In the chitin bibliography, a major reference is the book written by Richards in 1951
“primarily for entomologists and other invertebrate zoologists” but also, in the author's hope …