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Authors: K. C. Aw ; N. Tjitra Salim ; H. Peng ; J. Travas-Sedjic and W. Gao

Affiliation: The University of Auckland, New Zealand

ISBN: 978-989-674-017-7

Keyword(s): 3-((2":2″,5″:2'''-terthiophene)-3″-yl) acrylic acid, DNA sensor, organic field effect transistor.

Related Ontology Subjects/Areas/Topics: Biomedical Engineering ; Biomedical Instruments and Devices ; Biomedical Sensors

Abstract: The aim of this paper is to demonstrate the use of organic field effect transistor (OFET) as a DNA sensor. We have synthesized a functionalised terthiophene monomer 3-((2":2″,5″:2'''-terthiophene)-3″-yl) acrylic acid (TAA) and has been successfully electrodeposited as an active layer of an OFET. The polymer was oxidised in order to increase its conductivity. A mobility of 0.25 cm2/V.s was achieved with an oxidising potential of 0.9 V. A preliminary DNA sensing test was performed on the OFET with poly TAA as active layer and a shift in threshold voltage was observed after DNA immobilization and hybridization, showing its potential as DNA sensor.

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Paper citation in several formats:
Aw K.; Tjitra Salim N.; Peng H.; Travas-Sedjic J.; Gao W. and (2010). 3-((2':2",5":2'''-TERTHIOPHENE)-3"-YL) ACRYLIC ACID AS ORGANIC FIELD EFFECT TRANSISTOR FOR DNA SENSING.In Proceedings of the Third International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2010) ISBN 978-989-674-017-7, pages 159-162. DOI: 10.5220/0002692601590162

@conference{biodevices10,
author={K. C. Aw and N. {Tjitra Salim} and H. Peng and J. Travas{-}Sedjic and W. Gao},
title={3-((2':2",5":2'''-TERTHIOPHENE)-3"-YL) ACRYLIC ACID AS ORGANIC FIELD EFFECT TRANSISTOR FOR DNA SENSING},
booktitle={Proceedings of the Third International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2010)},
year={2010},
pages={159-162},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002692601590162},
isbn={978-989-674-017-7},
}

TY - CONF

JO - Proceedings of the Third International Conference on Biomedical Electronics and Devices - Volume 1: BIODEVICES, (BIOSTEC 2010)
TI - 3-((2':2",5":2'''-TERTHIOPHENE)-3"-YL) ACRYLIC ACID AS ORGANIC FIELD EFFECT TRANSISTOR FOR DNA SENSING
SN - 978-989-674-017-7
AU - Aw, K.
AU - Tjitra Salim, N.
AU - Peng, H.
AU - Travas-Sedjic, J.
AU - Gao, W.
PY - 2010
SP - 159
EP - 162
DO - 10.5220/0002692601590162

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