Browsing by Author "Aytekin, C"
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Antimicrobial activity of resins obtained from the roots and stems of Cedrus libani and Abies cilicia
Kizil, M; Kizil, G; Yavuz, M; Aytekin, C (Maik Nauka/Interperiodica, 2002)The antimicrobial activity of the ethanol extract of resins obtained from the roots and stems of Cedrus libani and Abies cilicia has been studied, using the disc diffusion method. The results obtained indicate that crude ... -
Dyeing of wool fibres with natural dyes: Effect of proteolytic enzymes
Dogru, M; Baysal, Z; Aytekin, C (Taylor & Francis Inc, 2006)In spite of the widespread use of proteins (casein, peptone, etc.) and protein fragments as a substrate for the proteolytic enzymes, a substrate prepared from dyes that adsorb onto appropriate materials, such as wool and ... -
Proteolytic activity of commercial subtilisin from genus Bacillus on some animals milk caseins
Aytekin, C; Kaya, Z; Dogru, M (Mbr Press Inc, 1997)Casein is a non-specific substrate for the all proteases. In this study casein was purified from cow, water buffalo, sheep and goat milk and used as a substrate for subtilisin purified preparations from genus Bacillus. On ... -
Solid state fermentation for production of ?-amylase by a thermotolerant Bacillus subtilis from hot-spring water
Baysal, Z; Uyar, F; Aytekin, C (Elsevier Sci Ltd, 2003)The production of extracellular a-amylase by thermotolerant Bacillus subtilis was studied in solid state fermentation (SSF). The effect of wheat bran (WB) and rice husk (RH) was examined. The appropriate incubation period, ... -
A study for determining mechanism of subtilisin-casein interaction by using inhibition kinetics data
Aytekin, C; Baysal, ZK (Mbr Press Inc, 1998)Casein is a non-specific substrate for the an extacellular protease subtilisin. In this study tyrosine, tryptophan, cysteine, phenol and ethyl-methane sulfonate (EMS) were added to the enzyme-substrate medium in appropriate ...