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Browsing by Subject "Biochemistry"

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Characterisation of the carotenoprotein found in carapace shells of Jasus lalandii

Author: Timme, E ; Walwyn, D ; Bailey, A Date: May 2009 Purple carotenoprotein containing astaxanthin as the prosthetic group was extracted from the carapace shells of Jasus lalandii. The material, with a molecular mass of around 400 000 Da and max 525nm (a-crustacyanin), was readily converted ... Read more
Detection of antimycolic acid antibodies by liposomal biosensors

Author: Lemmer, Yolandy ; Thanyani, ST ; Vrey, PJ ; Driver, CHS ; Venter, L ; Van Wyngaardt, S ; Ten Bokum, AMC ; Ozoemena, KI ; Pilcher, LA ; Fernig, DG ; Stoltz, AC ; Swai, HS ; Verschoor, JA Date: 2009 Antibodies to mycolic acid (MA) antigens can be detected as surrogate markers of active tuberculosis (TB) with evanescent field biosensors where the lipid antigens are encapsulated in liposomes. Standard immunoassay such as ELISA, where the ... Read more
Determination of diffuse double layer protonation constants for hydrous ferric oxide (HFO): supporting evidence for the Dzombak and Morel compilation

Author: Pretorius, PJ ; Linder, PW Date: 1998 The acid-base properties of hydrous ferric oxide were studied by glass electrode potentiometry. From the potentiometric data, surface protonation constants were derived according to the Diffuse Double Layer convention. Chemical equilibrium ... Read more
Establishing malaria parasite transfection technology in South Africa

Author: Van Brummelen, AC ; Becker, JVW ; Mancama, Dalubuhle T ; Hoppe, HC Date: Jan 2010 The most important contributing factor to the current malaria crisis is the rapid spread of parasite resistance to available anti-malarial drugs. Anti-malarial drug resistance is critical and the need for compounds with novel modes of action ... Read more
Establishing malaria parasite transfection technology in South Africa.

Author: Van Brummelen, AC ; Becker, JVW ; Mancama, Dalubuhle T ; Hoppe, H Date: Jan 2010 In order to establish malaria parasite transfection technology in South Africa, firefly luciferase and green fluorescent protein (GFP) reporter constructs were prepared. In attempt to simplify these constructs, a var intron (PFC0005w), ... Read more
Growth potential of alternative eucalyptus species for mid and high altitude sites in the summer rainfall region in South Africa

Author: Komakech Otim, C Date: Dec 2008 A study was undertaken to compare growth potential of three Eucalyptus species of natural origin in South Eastern Australia, with commercially grown species on mid and high altitude temperate sites in the summer rainfall growing zones in South ... Read more
Immobilisation and characterisation of glucose dehydrogenase immobilised on ReSyn: a proprietary polyethylenimine support matrix

Author: Twala, BV ; Sewell, BT ; Jordaan, J Date: Jan 2010 Immobilisation of enzymes is of considerable interest due to the advantages over soluble enzymes, including improved stability and recovery. Glucose Dehydrogenase (GDH) is an important biocatalytic enzyme due to is ability to recycle the ... Read more

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Browsing by Subject "Biochemistry"

Browsing by Subject "Biochemistry"

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