Lipid Vesicle Detection using ISFET devices

  • Juan Carlos Briceño Universidad de los Andes
  • Juan Carlos Ortiz Pereira Universidad de los Andes
  • Alba Graciela Ávila Universidad de los Andes
  • Ivan Adolfo Rey Universidad de los Andes
  • Chad Leidy Universidad de los Andes


The 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.
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How to Cite
Briceño, J. C., Ortiz Pereira, J. C., Graciela Ávila, A., Rey, I. A., & Leidy, C. (2014). Lipid Vesicle Detection using ISFET devices. Revista Facultad De Ingeniería Universidad De Antioquia, (69), 89-95. Retrieved from