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Quartz crystal microbalance as a tool for kinetic enzymatic assays by variation of pH

Year: 2011

Journal: Analytical Biochemistry, Volume 418, Issue 1, 1 November 2011, Pages 152-154, 20110906

Authors: dos Santos F.C. 1, Gonçalves L.M. 2, Riccardi Cdos S 1, Barros A.A. 2, Bueno P.R. 1

Last authors: Paulo Roberto Bueno

Organizations: a Instituto de Química, Universidade Estadual Paulista (UNESP), Araraquara, São Paulo 14800-900, Brazil b REQUIMTE, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade do Porto, 4169-007 Porto, Portugal

Country: Brazil, Portugal

In this work, it is shown that the quartz crystal microbalance (QCM) can be a powerful and simple tool for quick and precise kinetic enzymatic assays. This is shown by measuring immobilized acetylcholinesterase (AChE) activity with variations of pH as a case study.