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Authors: Subhajit Guha and Christian Wenger

Affiliation: Leibniz Insititute for Innovative Microelectronics, Germany

Keyword(s): CMOS Viscosity Sensor, Dielectric Sensor, RF Viscosity Sensor, High Frequency Viscosity Sensor.

Abstract: This paper presents a CMOS Radio frequency dielectric sensor platform for the detection of relative viscosity changes in a fluid sample. The operating frequency of the sensor is 12.28 GHz. This frequency range has been chosen for high signal to noise ratio and also to avoid other low frequency dispersion mechanisms for future lab on chip applications. The sensor chip has been fabricated in 250 nm BiCMOS technology of IHP. The measurements conducted to show the relative viscosity variation detection capability of the sensor chip, were based on mixtures of glycerol and water as well as glycerol and organic alcohol. The detection limit of viscosity is dependent on the permittivity contrast of the sample constituent. Therefore, it is also shown the choice of frequency inherently aids in the permittivity contrast of the sample constituents.

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Paper citation in several formats:
Guha, S. and Wenger, C. (2017). Radio Frequency CMOS Chem-bio Viscosity Sensors based on Dielectric Spectroscopy. In Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIODEVICES; ISBN 978-989-758-216-5; ISSN 2184-4305, SciTePress, pages 142-148. DOI: 10.5220/0006151901420148

@conference{biodevices17,
author={Subhajit Guha. and Christian Wenger.},
title={Radio Frequency CMOS Chem-bio Viscosity Sensors based on Dielectric Spectroscopy},
booktitle={Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIODEVICES},
year={2017},
pages={142-148},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0006151901420148},
isbn={978-989-758-216-5},
issn={2184-4305},
}

TY - CONF

JO - Proceedings of the 10th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2017) - BIODEVICES
TI - Radio Frequency CMOS Chem-bio Viscosity Sensors based on Dielectric Spectroscopy
SN - 978-989-758-216-5
IS - 2184-4305
AU - Guha, S.
AU - Wenger, C.
PY - 2017
SP - 142
EP - 148
DO - 10.5220/0006151901420148
PB - SciTePress

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