Browsing Electronic Theses and Dissertations by Subject "Quaternised chitosan"

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Chitosan and quaternised chitosan polymers as gene transfection agents / Chrizelle Venter

Venter, Chrizelle (2005)

Several approaches have been employed for directing the intracellular trafficking of DNA to the nucleus. Cationic polymers have been used to condense and deliver DNA and a few specific examples using chitosan as cationic ...
Design and evaluation of chitosan and N-trimethyl chitosan chloride microspheres for intestinal drug delivery / Johannes Petrus Venter

Venter, Johannes Petrus (2005)

The absorption enhancing ability of chitosan, a linear polysaccharide, is mediated by protonated amino groups on the C-2 position of the molecules that induce interaction with the anionic sites on the cell membranes to ...