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Browsing by Subject "Biomaterials"

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Cellulose nanocrystals and snail shell-reinforced polyvinyl alcohol bioplastic films: Additive concentration optimization and mechanical properties assessment

Author: Gbadeyan, Oluwatoyin J ; Fagbemi, Olajumoke D ; Jerome, Andrew E ; Adali, S ; Glen, B ; Sithole, Bishop B Date: Jul 2022 This study focused on modeling and optimization of the concentration of poly (vinyl alcohol) (PVA), cellulose nanocrystals (CNC), snail shell nanoparticles (SSN), and glycerol for the development of bioplastic films. The response surface ... Read more
CSIR eNews: Materials science and manufacturing

Author: CSIR Date: Sep 2009 The CSIR is in a unique position to add value and impact to the materials and manufacturing industries in Africa and to develop human capital through its critical mass of multi-disciplinary researchers, its equipment and infrastructure and ... Read more
Enhanced cell mitochondrial activity using electrospun nanofibers

Author: Jacobs, V Date: Jun 2015 Research in tissue engineering related to the improved processes using nanofiber scaffolds has seen considerable progress in the last decade in the regeneration and construction of a number of artificial tissue types. These designs are generally ... Read more
The influence of femtosecond laser pulse wavelength on embryonic stem cell differentiation

Author: Mthunzi-Kufa, Patience Date: Aug 2012 Stem cells are rich in proteins, carbohydrates, deoxyribonucleic acid (DNA), ribonucleic acid (RNA) and various other cellular components which are responsible for a diversity of functions. Mostly the building blocks of these intracellular ... Read more
Microstructure and corrosion behavior of laser synthesized cobalt based powder on Ti-6Al-4V

Author: Adesina, OS ; Popoola, API ; Pityana, Sisa L ; Oloruntoba, DT Date: 2018 The corrosion behavior of titanium alloys when used for various dynamic offshore components has been a major concern of titanium drilling risers in deepwater energy extraction. A way of achieving specified requirement is the development of ... Read more
Novel nano-calcium phosphate generation to improve cell activity in bone restructuring

Author: Wepener, I ; Richter, W ; Joubert, A Date: Jan 2010 This presentation addresses the replacement and repair of bone. There are four types of biomaterials; namely biotoxic, bioinert, bioactive and ioresorbable. The most abundant inorganic mineral in bone is hydroxyapatite, which is a good candidate ... Read more
Optical coherence tomography as a research tool for biomaterials

Author: Karsten, AE ; Singh, A ; Ndhundhuma, I Date: Jan 2010 In this study a commercial FD-OCT (Model OCM1300SS) by Thorlabs Inc., USA was used. This system has the following performance specifications: 1300nm centre operating wavelength, a 110nm 3dB spectral bandwidth, transverse spatial air resolution ... Read more
Surface coated polyurethane with improved bioactivity and cytocompatability

Author: Chetty, AS ; Seynberg, TJ ; Moolman, FS ; Nilen, RWN ; Joubert, AM ; Richter, PW Date: Feb 2006 Polyurethane (PU) may be suitable for various implant applications; however, it lacks bioactivity. Bioactivity allows for direct tissue attachment at the bio- interface, enabling implant fixation while preventing fibrous encapsulation. To ... Read more
Systems biology tools to understand the role of host miRNAs in infection: a closer look at HIV

Author: Naidoo, Jerolen ; Brackin, R ; Khutlang, Rethabile ; Savulescu, A ; Mhlanga, Musa Date: Jun 2014 The discovery of mammalian microRNAs (miRNAs) has greatly enhanced our appreciation for the complexity associated with the regulation of the mammalian transcriptional landscape. Endogenous miRNA pathways mediate the targeted and subtle ... Read more

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Browsing by Subject "Biomaterials"

Browsing by Subject "Biomaterials"

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