Browsing by Autor "Chad Leidy"
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Item type: Item , Contextualizing a physics course in a PO-PBL Model: Students perception(2011) Carola Hernández Hernández; Chad Leidy; Juan Carlos Gonzales OlarteItem type: Item , Lipid Vesicle Detection using ISFET devices(Universidad de Antioquia, 2014) Juan C. Briceño; Juan Carlos Ortiz Pereira; Alba Ávila; Ivan Adolfo Rey; Chad LeidyThe Ion Sensitive Field Effect (ISFET) Transistors are electronic devices widely used for detecting, ion concentrations, trapped charge or charge decay processes. This article reports on the electrical characterization of ISFETs exposed to buffer solutions sets at pH 4, 5, 7, and 10. When operated in their saturation regime ISFETs act as local charge detectors. This capability is applied to detect lipid vesicles. Lipid vesicles have promising applications in drug delivery, and their accurate detection can be important in understanding their interaction with living systems.Item type: Item , The antibacterial activity of phospholipase A2 type IIA is regulated by the cooperative lipid chain melting behavior in Staphylococcus aureus(Elsevier BV, 2009) Jackson Ocampo; Nicolás Afanador Cubillos; Martha J. Vives; Juan Carlos Moreno‐Piraján; Chad Leidy