A Sensitive Microsystem as Biosensor for Cell Growth Monitoring and Antibiotic Testing

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A Sensitive Microsystem as Biosensor for Cell Growth Monitoring and Antibiotic Testing. / Spiller, E.; Schöll, A.; Alexy, Radka et al.
In: Sensors and Actuators A: Physical, Vol. 130-131, No. SPEC. ISS., 14.08.2006, p. 312-321.

Research output: Journal contributionsJournal articlesResearchpeer-review

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Spiller E, Schöll A, Alexy R, Kümmerer K, Urban GA. A Sensitive Microsystem as Biosensor for Cell Growth Monitoring and Antibiotic Testing. Sensors and Actuators A: Physical. 2006 Aug 14;130-131(SPEC. ISS.):312-321. doi: 10.1016/j.sna.2006.02.051

Bibtex

@article{dd4bce8d26bc4aa5bf69697444b75c61,
title = "A Sensitive Microsystem as Biosensor for Cell Growth Monitoring and Antibiotic Testing",
abstract = "Standard bacterial tests such as growth inhibition tests are the only convenient investigation method to detect the impacts of water soluble drugs, e.g. antibiotics, on bacteria. State of the art methods for determining the inhibiting effect of toxic components are cumbersome, because they are for parallelization not feasible. The principle of these inhibition tests is the detection of cell numbers by measuring the optical density. With this time-consuming and complicate method only endpoint detection and no monitoring of cell growth is possible, which is obviously a drawback. Furthermore, colored and turbid components cannot be tested. A new microsystem is introduced in this paper overcoming the mention problems. A continuously working conductivity sensor system for high throughput application is developed. With this miniaturized system a reduction of sample volume from 50 ml down to 12 μl becomes possible. An additional advantage is the possibility of online monitoring during biological tests and cell growth detection in high turbid or colored samples, which could not be investigated before. The sensor system is calibrated for growth inhibition of Pseudomonas putida, tested with antibiotics. {\textcopyright} 2006 Elsevier B.V. All rights reserved.",
keywords = "Antibiotic testing, Cell growth monitoring, High throughput screening, Pseudomonas putida",
author = "E. Spiller and A. Sch{\"o}ll and Radka Alexy and Klaus K{\"u}mmerer and Urban, {G. A.}",
note = "Themenheft: Selected Papers from TRANSDUCERS '05 - The 13th International Conference on Solid-State Sensors, Actuators and Microsystems - Seoul, Korea, 5-9 June 2005 / ed. by P. French",
year = "2006",
month = aug,
day = "14",
doi = "10.1016/j.sna.2006.02.051",
language = "English",
volume = "130-131",
pages = "312--321",
journal = "Sensors and Actuators A: Physical",
issn = "0924-4247",
publisher = "Elsevier B.V.",
number = "SPEC. ISS.",

}

RIS

TY - JOUR

T1 - A Sensitive Microsystem as Biosensor for Cell Growth Monitoring and Antibiotic Testing

AU - Spiller, E.

AU - Schöll, A.

AU - Alexy, Radka

AU - Kümmerer, Klaus

AU - Urban, G. A.

N1 - Themenheft: Selected Papers from TRANSDUCERS '05 - The 13th International Conference on Solid-State Sensors, Actuators and Microsystems - Seoul, Korea, 5-9 June 2005 / ed. by P. French

PY - 2006/8/14

Y1 - 2006/8/14

N2 - Standard bacterial tests such as growth inhibition tests are the only convenient investigation method to detect the impacts of water soluble drugs, e.g. antibiotics, on bacteria. State of the art methods for determining the inhibiting effect of toxic components are cumbersome, because they are for parallelization not feasible. The principle of these inhibition tests is the detection of cell numbers by measuring the optical density. With this time-consuming and complicate method only endpoint detection and no monitoring of cell growth is possible, which is obviously a drawback. Furthermore, colored and turbid components cannot be tested. A new microsystem is introduced in this paper overcoming the mention problems. A continuously working conductivity sensor system for high throughput application is developed. With this miniaturized system a reduction of sample volume from 50 ml down to 12 μl becomes possible. An additional advantage is the possibility of online monitoring during biological tests and cell growth detection in high turbid or colored samples, which could not be investigated before. The sensor system is calibrated for growth inhibition of Pseudomonas putida, tested with antibiotics. © 2006 Elsevier B.V. All rights reserved.

AB - Standard bacterial tests such as growth inhibition tests are the only convenient investigation method to detect the impacts of water soluble drugs, e.g. antibiotics, on bacteria. State of the art methods for determining the inhibiting effect of toxic components are cumbersome, because they are for parallelization not feasible. The principle of these inhibition tests is the detection of cell numbers by measuring the optical density. With this time-consuming and complicate method only endpoint detection and no monitoring of cell growth is possible, which is obviously a drawback. Furthermore, colored and turbid components cannot be tested. A new microsystem is introduced in this paper overcoming the mention problems. A continuously working conductivity sensor system for high throughput application is developed. With this miniaturized system a reduction of sample volume from 50 ml down to 12 μl becomes possible. An additional advantage is the possibility of online monitoring during biological tests and cell growth detection in high turbid or colored samples, which could not be investigated before. The sensor system is calibrated for growth inhibition of Pseudomonas putida, tested with antibiotics. © 2006 Elsevier B.V. All rights reserved.

KW - Antibiotic testing

KW - Cell growth monitoring

KW - High throughput screening

KW - Pseudomonas putida

UR - http://www.scopus.com/inward/record.url?scp=33745858301&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/2fa4e75b-25bf-3e62-afa9-6cc2e4aa3785/

U2 - 10.1016/j.sna.2006.02.051

DO - 10.1016/j.sna.2006.02.051

M3 - Journal articles

VL - 130-131

SP - 312

EP - 321

JO - Sensors and Actuators A: Physical

JF - Sensors and Actuators A: Physical

SN - 0924-4247

IS - SPEC. ISS.

ER -

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