NDLI: Polypyrrole Bridge as a Support for Alamethicin-Reconstituted Planar Bilayer Lipid Membranes

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Northcutt, Robert Sundaresan, Vishnu-Baba Salinas, Sergio Zhang, Hao
Copyright Year	2011
Abstract	Conducting polymer actuators and sensors utilize electrochemical reactions and associated ion transport at the polymer-electrolyte interface for their engineering function. Similarly, a bioderived active material utilizes ion transport through a protein and across a bilayer lipid membrane for sensing and actuation functions. Inspired by the similarity in ion transport process in a bilayer lipid membrane (BLM) and conducting polymers, we propose to build an integrated ionic device in which the ion transport through the protein in the bilayer lipid membrane regulates the electrolytic and mechanical properties of the conducting polymer. This article demonstrates the fabrication and characterization of a DPhPC planar BLM reconstituted with alamethicin and supported on a polypyrrole bridge measuring 100 μm × 500 μm and formed across micro-fabricated gold pads. The assembly is supported on silicon dioxide coated wafers and packaged into an electronic-ionic package for electrochemical characterization. The various ionic components in the integrated ionic device are characterized using electrical impedance spectroscopy (EIS), cyclic voltammetry (CV), and chronoamperometry (CA) measurements. The results from our experimental studies demonstrate the procedure to fabricate a rugged electro active polymer supported BLM that will serve as a platform for chemical, bioelectrical sensing and VOC detection.
Sponsorship	Aerospace Division
Starting Page	613
Ending Page	620
Page Count	8
File Format	PDF
ISBN	9780791854723
DOI	10.1115/SMASIS2011-5015
Volume Number	ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 2
Conference Proceedings	ASME 2011 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
Language	English
Publisher Date	2011-09-18
Publisher Place	Scottsdale, Arizona, USA
Access Restriction	Subscribed
Subject Keyword	Impedance (electricity) Bridges (structures) Actuators Electrochemical reactions Spectroscopy Membranes Mechanical properties Semiconductor wafers Conducting polymers Proteins Active materials Electrolytes Silicon Transport processes Manufacturing Sensors Polymers Electrochemical impedance spectroscopy
Content Type	Text
Resource Type	Article

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