| Composition and Applications of Aloe vera Leaf Gel JH Hamman Molecules 13 (8), 1599-1616, 2008 | 1605 | 2008 |
| Chitosan based polyelectrolyte complexes as potential carrier materials in drug delivery systems JH Hamman Marine drugs 8 (4), 1305-1322, 2010 | 650 | 2010 |
| Oral delivery of peptide drugs: barriers and developments JH Hamman, GM Enslin, AF Kotzé BioDrugs 19, 165-177, 2005 | 611 | 2005 |
| Polymeric plant-derived excipients in drug delivery CE Beneke, AM Viljoen, JH Hamman Molecules 14 (7), 2602-2620, 2009 | 432 | 2009 |
| Review of natural compounds for potential skin cancer treatment TN Chinembiri, LH Du Plessis, M Gerber, JH Hamman, J Du Plessis Molecules 19 (8), 11679-11721, 2014 | 298 | 2014 |
| Transdermal drug delivery enhancement by compounds of natural origin LT Fox, M Gerber, JD Plessis, JH Hamman Molecules 16 (12), 10507-10540, 2011 | 226 | 2011 |
| Effect of the degree of quaternisation of N-trimethyl chitosan chloride on absorption enhancement: in vivo evaluation in rat nasal epithelia JH Hamman, M Stander, AF Kotze International journal of pharmaceutics 232 (1-2), 235-242, 2002 | 192 | 2002 |
| The relationship between the absolute molecular weight and the degree of quaternisation of N-trimethyl chitosan chloride D Snyman, JH Hamman, JS Kotze, JE Rollings, AF Kotze Carbohydrate polymers 50 (2), 145-150, 2002 | 176 | 2002 |
| Evaluation of the mucoadhesive properties of N-trimethyl chitosan chloride D Snyman, JH Hamman, AF Kotze Drug development and industrial pharmacy 29 (1), 61-69, 2003 | 141 | 2003 |
| The role of functional excipients in solid oral dosage forms to overcome poor drug dissolution and bioavailability J Van der Merwe, J Steenekamp, D Steyn, J Hamman Pharmaceutics 12 (5), 393, 2020 | 138 | 2020 |
| N-trimethyl chitosan chloride: optimum degree of quaternization for drug absorption enhancement across epithelial cells JH Hamman, CM Schultz, AF Kotzé Drug development and industrial pharmacy 29 (2), 161-172, 2003 | 131 | 2003 |
| Natural products in anti-obesity therapy I Vermaak, AM Viljoen, JH Hamman Natural product reports 28 (9), 1493-1533, 2011 | 126 | 2011 |
| Herb–drug pharmacokinetic interactions reviewed C Tarirai, AM Viljoen, JH Hamman Expert opinion on drug metabolism & toxicology 6 (12), 1515-1538, 2010 | 121 | 2010 |
| Effect of the type of base and number of reaction steps on the degree of quaternization and molecular weight of N-trimethyl chitosan chloride JH Hamman, AF Kotze Drug development and industrial pharmacy 27 (5), 373-380, 2001 | 113 | 2001 |
| Intestinal paracellular permeation enhancement with quaternised chitosan: in situ and in vitro evaluation C Jonker, JH Hamman, AF Kotze International journal of pharmaceutics 238 (1-2), 205-213, 2002 | 109 | 2002 |
| Paracellular drug absorption enhancement through tight junction modulation HJR Lemmer, JH Hamman Expert opinion on drug delivery 10 (1), 103-114, 2013 | 107 | 2013 |
| In vitro wound healing and cytotoxic activity of the gel and whole-leaf materials from selected aloe species LT Fox, A Mazumder, A Dwivedi, M Gerber, J Du Plessis, JH Hamman Journal of ethnopharmacology 200, 1-7, 2017 | 95 | 2017 |
| Drug bioavailability enhancing agents of natural origin (bioenhancers) that modulate drug membrane permeation and pre-systemic metabolism B Peterson, M Weyers, JH Steenekamp, JD Steyn, C Gouws, JH Hamman Pharmaceutics 11 (1), 33, 2019 | 91 | 2019 |
| Impact of traditional medicinal plant extracts on antiretroviral drug absorption L Brown, O Heyneke, D Brown, JPH Van Wyk, JH Hamman Journal of Ethnopharmacology 119 (3), 588-592, 2008 | 88 | 2008 |
| Targeting receptors, transporters and site of absorption to improve oral drug delivery JH Hamman, PH Demana, EI Olivier Drug target insights 2, 117739280700200003, 2007 | 73 | 2007 |
