Title : Changes in wetting properties of alumina surface treated with DPPC in the presence of phospholipase A2 enzyme.

Pub. Date : 2011 Oct 1

PMID : 21621398






2 Functional Relationships(s)
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1 However, after the enzyme action the products of DPPC hydrolysis by PLA(2) (palmitic acid and lysophosphatidylcholine) increased again the hydrophilic character of Al(2)O(3) surface (a minor increase in gamma(s)(AB) component and drastic increase of the electron-donor gamma(s)(-) parameter was noticeable). 1,2-Dipalmitoylphosphatidylcholine phospholipase A2 group IIA Homo sapiens
2 After treatment with DPPC or DPPC+enzyme PLA(2) solution the changes of the total surface free energy of alumina and its Lifshits-van der Waals (gamma(s)(LW)) component were in the range 7-10 mJ/m(2), but the most considerable and delivering more interesting information were the changes of the electron-donor (gamma(s)(-)) parameter ranging from 27 to 35 mJ/m(2). 1,2-Dipalmitoylphosphatidylcholine phospholipase A2 group IIA Homo sapiens