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Browsing by Author "Rolfes, H"

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Emulsion preparation for novel micro-porous polymeric hemi-shells

Author: Naidoo, Kersch ; Rolfes, H ; Easton, K ; Moolman, S ; Chetty, A ; Richter, W ; Nilen, R Date: 2008 A modified oil-in-water (O/W) emulsion process was developed to produce novel micro-porous hemi-spherical polycaprolactone (PCL) micro-particles called "hemi-shells". By addition of a porogen such as sodium bicarbonate (NaHCO3) into the ... Read more
Encapsulating probiotics with an interpolymer complex in supercritical carbon dioxide

Author: Moolman, FS ; Labuschagne, Philip W ; Thantsa, MS ; Van der Merwe, TL ; Rolfes, H ; Cloete, TE Date: 2006 Traditional encapsulation methods in fortified foods and drug delivery applications present difficulties for ‘actives’, such as probiotics, sensitive to exposure to water, solvents, heat or oxygen, where ‘active’ refers to a material, chemical ... Read more
Injection resorbable polymer shells for soft tissue augmentation

Author: Naidoo, Kersch ; Rolfes, H ; Easton, K ; Moolman, FS ; Chetty, A ; Richter, PW ; Nilen, R ; Kotze, L Date: Nov 2008 CSIR researchers have developed an injectable, resorbable soft tissue bulking product that has potential applications in fields ranging from heart and recontructive surgery, to minimally invasive cosmetic surgery. Biomaterials research is ... Read more
Novel encapsulation method for probiotics using an interpolymer complex in supercriticial carbon dioxide

Author: Moolman, FS ; Labuschagne, Philip W ; Thantsha, MS ; Van Der Merwe, TL ; Rolfes, H ; Cloete, TE Date: Oct 2006 The CSIR has developed a novel scCO2-based encapsulation technology utilizing interpolymer complex formation to improve the barrier properties of the polymer system. In this paper the auhtors report some results obtained in the application ... Read more
Optimization of perfluorocarbon emulsion properties for enhancing oxygen mass transfer in a bio-artificial liver support system

Author: Moolman, FS ; Rolfes, H ; Van der Merwe, SW ; Focke, WW Date: 29 Jul 2004 The oxygen carrying performance of a perfluorooctyl bromide (PFOB) emulsion is considered. The intended purpose is to enhance hepatocyte growth and function in a bio-artificial liver support system (BALSS). Such oxygen carrying emulsions have ... Read more

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Browsing by Author "Rolfes, H"

Browsing by Author "Rolfes, H"

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