alexa The Development Of Smart Materials For Medical Applications Using Laser Scanning Micrometry
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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7th Annual Congress on Materials Research and Technology
February 20-21, 2017 Berlin, Germany

Daniel Melling
University of Dundee, UK
ScientificTracks Abstracts: J Material Sci Eng
DOI: 10.4172/2169-0022.C1.058
Abstract
Smart-materials based on conducting polymers (CPs) such as polypyrrole (PPy) are currently being used to develop micro-actuators for cell biology applications, such as the electrical and mechanical stimulation of stem cells. Such materials must be capable of long term, stable actuation in within biological fluids and cell culture media. Unfortunately, devices employing CPs are often demonstrated over a relatively small number of cycles, during which time any deterioration in their behavior is not always evident. For example CP films based on PPy (DBS) typically display a large decrease in performance when actuated over several days actuated in saline solutions. This can be attributed to the loss of unbound oligomer and dedoping of counter ions from within the polymer film. There is clearly a need to develop CP films that can be actuated within biological fluids and cell culture media with little deterioration of performance during the lifetime of the device. We have employed a relatively new approach, Laser Scanning Micrometry (LSM), to characterize the electrochemomechanical behavior of actuating CP films based on PPy. The films have been synthesized over a range of different conditions and actuated in biologically relevant conditions. Our aim has been to improve the actuation performance of CP films when actuated over long periods of time (days) in aqueous based electrolytes that model biological fluids. We will describe how we have used LSM to implement synthetic strategies and develop new CP materials for the production of actuating films with improved long term performance. In this respect, LSM has proven to be a valuable tool for the study, characterization and development of CP actuating films.
Biography

Daniel Melling works to develop medical technology and surgical devices at Institute of Medical Science and Technology (IMSaT), Dundee, UK. After working at Polymer and Pharmaceutical industries, he completed his PhD on “The development and characterization of new forms of conducting polymers for use as microactuators at Linkoping University, Sweden. He is currently working on the development of medical polymers at IMSaT where he is the Head of the Medical Polymer and Smart Materials laboratory. He is particularly interested in “The development of medical applications of conducting polymers and composites”.

Email: [email protected]

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