caa a22 4500 465796125 CHVBK 20180323112038.0 cr unu---uuuuu 170327e19901201xx s 000 0 eng 10.1007/BF02541844 doi (NATIONALLICENCE)springer-10.1007/BF02541844 Polymeric membranes for lipase immobilization [Elektronische Daten] [Magdalena Rucka, Bożena Turkiewicz, Janusz Żuk] Lipase triacylglycerol acylhydrolase, (E.C. 3.1.1.3) is an enzyme that is fully active on aggregated substrates and practically inactive on monodisperse systems. A lipase immobilized on polymeric membranes has been applied for sunflower oil hydrolysis. The influence of membrane properties on enzyme activity is studied. Membranes made of poly(vinyl chloride), collagen, cellulose acetate and polytetrafluoroethylene were used for adsorption of lipase. The porosity and hydrophobicity of membranes did not influence the lipase activity. The difference of the work of adhesion for the water/membrane system and oil/membrane system reflected the activity data, while work of adhesion for water or oil (done separately) did not. For oil hydrolysis to occur on the membrane surface, accessibility of two liquid phases is important, and the lower the difference of work of adhesion between water and oil, the greater the activity of immobilized lipase. American Oil Chemists' Society (AOCS), 1990 Immobilization nationallicence lipase nationallicence polymeric membranes nationallicence Rucka Magdalena Institute of Organic and Physical Chemistry, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut Turkiewicz Bożena Institute of Organic and Physical Chemistry, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut Żuk Janusz Institute of Chemical Engineering and Heating Equipment, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut Journal of the American Oil Chemists' Society Springer-Verlag 67/12(1990-12-01), 887-889 0003-021X 67:12<887 1990 67 11746 https://doi.org/10.1007/BF02541844 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF02541844 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Rucka Magdalena Institute of Organic and Physical Chemistry, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut NATIONALLICENCE 700 1- Turkiewicz Bożena Institute of Organic and Physical Chemistry, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut NATIONALLICENCE 700 1- Żuk Janusz Institute of Chemical Engineering and Heating Equipment, Technical University of Wrocław, Wybrzeze Wyspianskigo 27, 50-370, Wrocław, Poland aut NATIONALLICENCE 773 0- Journal of the American Oil Chemists' Society Springer-Verlag 67/12(1990-12-01), 887-889 0003-021X 67:12<887 1990 67 11746 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer