Browsing Faculty of Mathematics and Natural Sciences by Author "Witarto, Arief Budi"
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Application of Hydroxyapatite in Protein Purification
Yusuf, Permai Sari Molyana | Dahlan, Kiagus | Witarto, Arief Budi (2009)The precursors, Na2HPO4.2H2O and CaCl2.2H2O are used for synthesizing pure hydroxyapatite which less of carbonate content. The high temperature of sintering, about 700oC of temperature, is treated to minimize the carbonate ... -
Enhanced Chlorella vulgaris Buitenzorg growth by Photon Flux Density Alteration in Serial Bubble Column Photobioreactors
Witarto, Arief Budi (2007)Micro algae are photolitotrophs that perform oxygenic photosynthesis and capable of accumulating a large amount of CO2, using an inducible CO2 concentrating mechanism (CCM). These characteristics make the micro algae ...