Now showing items 1-2 of 2

    • Evaluation of the enzyme inhibitory effect of carboxymethylated chitosan 

      Oberholzer, Ian Dewald (North-West University, 2003)
      Degradation of peroral administered drugs by various enzymes in the gastrointestinal tract has proven to be troublesome for the absorption' and bioavailability of protein and peptide drugs. Mucoadhesive polymers such as ...
    • Peroral and nasal delivery of insulin with PheroidTM technology 

      Oberholzer, Ian Dewald (North-West University, 2009)
      Since its initial discovery in 1922 by Banting and Best, the formulation of an oral insulin delivery system has ever been so troublesome. Unfortunately, insulin is indispensable in the treatment of diabetes mellitus, which ...