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Sensors 2008, 8(8), 5081-5095; doi:10.3390/s8085081
Article

A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction

1
, 1
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 and 2
Received: 1 July 2008; in revised form: 22 August 2008 / Accepted: 26 August 2008 / Published: 27 August 2008
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Abstract: This paper describes a new technique to measure urine volume in patients with urinary bladder dysfunction. Polypyrrole – an electronically conducting polymer - is chemically deposited on a highly elastic fabric. This fabric, when placed around a phantom bladder, produced a reproducible change in electrical resistance on stretching. The resistance response to stretching is linear in 20%-40% strain variation. This change in resistance is influenced by chemical fabrication conditions. We also demonstrate the dynamic mechanical testing of the patterned polypyrrole on fabric in order to show the feasibility of passive interrogation of the strain sensor for biomedical sensing applications.
Keywords: Strain sensor; urinary bladder volume; polypyrrole; impedance spectroscopy; elastic properties; gauge factor Strain sensor; urinary bladder volume; polypyrrole; impedance spectroscopy; elastic properties; gauge factor
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Rajagopalan, S.; Sawan, M.; Ghafar-Zadeh, E.; Savadogo, O.; Chodavarapu, V.P. A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction. Sensors 2008, 8, 5081-5095.

AMA Style

Rajagopalan S, Sawan M, Ghafar-Zadeh E, Savadogo O, Chodavarapu VP. A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction. Sensors. 2008; 8(8):5081-5095.

Chicago/Turabian Style

Rajagopalan, Sumitra; Sawan, Mohamad; Ghafar-Zadeh, Ebrahim; Savadogo, Oumarou; Chodavarapu, Vamsy P. 2008. "A Polypyrrole-based Strain Sensor Dedicated to Measure Bladder Volume in Patients with Urinary Dysfunction." Sensors 8, no. 8: 5081-5095.



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