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| Title: | A simple on-chip self-diagnosis/self-calibration method of oxygen microsensor using electrochemically generated bubbles |
| Author (s): | Park, Jong Won Kim, Chang-Soo Kim, Youngjin |
| Department/Lab Affiliations: | Biological Sciences Electrical and Computer Engineering Intelligent Microsystem Laboratory |
| Keywords: | intelligent sensor water vapor |
| Subject Terms: | Electrolysis. Hydrogen. |
| Issue Date: | 2005 |
| Publisher: | Elsevier |
| Citation: | Jongwon Park, Chang-Soo Kim, Youngjin Kim, "A simple on-chip self-diagnosis/self-calibration method of oxygen microsensor using electrochemically generated bubbles", Sensors & Actuators B, Chemical (Elsevier), 108, 633-638, 2005. |
| Abstract: | An on-demand in situ self-diagnosis and self-calibration of biochemical sensors is indispensable for continuous and reliable monitoring. An on-chip electrochemical actuation method (water electrolysis) was employed to achieve this novel functionality. A simple fluidics chip including a polydimethylsiloxan (PDMS) channel layer and platinum actuation electrodes was designed and fabricated. The performance of this system was evaluated in combination with a commercial fiber optic oxygen sensor. The results obtained from the fluidics chip were compared to those obtained from a solution phase and a dry gas phase and the influence of water vapor and internal pressure was discussed. This method is expected to enable an on-demand in situ self-diagnosis and self-calibration of oxygen microsensor during real-time monitoring and to lead to an integrated system with on-chip, built-in intelligence. |
| Type: | Article - Journal text |
| In Title: | Sensors & Actuators B, Chemical |
| Copyright Notice: | This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. FULL COPYRIGHT INFORMATION: |
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| title | A simple on-chip self-diagnosis/self-calibration method of oxygen microsensor using electrochemically generated bubbles |
| contributor.author | Park, Jong Won |
| contributor.author | Kim, Chang-Soo |
| contributor.author | Kim, Youngjin |
| contributor.deptlab | Biological Sciences |
| contributor.deptlab | Electrical and Computer Engineering |
| contributor.deptlab | Intelligent Microsystem Laboratory |
| subject | intelligent sensor |
| subject | water vapor |
| subject.LCC | Oxygen. |
| subject.LCSH | Electrolysis. |
| subject.LCSH | Hydrogen. |
| date.issued | 2005 |
| publisher | Elsevier |
| identifier.citation | Jongwon Park, Chang-Soo Kim, Youngjin Kim, "A simple on-chip self-diagnosis/self-calibration method of oxygen microsensor using electrochemically generated bubbles", Sensors & Actuators B, Chemical (Elsevier), 108, 633-638, 2005. |
| identifier.pub.URI | |
| description.abstract | An on-demand in situ self-diagnosis and self-calibration of biochemical sensors is indispensable for continuous and reliable monitoring. An on-chip electrochemical actuation method (water electrolysis) was employed to achieve this novel functionality. A simple fluidics chip including a polydimethylsiloxan (PDMS) channel layer and platinum actuation electrodes was designed and fabricated. The performance of this system was evaluated in combination with a commercial fiber optic oxygen sensor. The results obtained from the fluidics chip were compared to those obtained from a solution phase and a dry gas phase and the influence of water vapor and internal pressure was discussed. This method is expected to enable an on-demand in situ self-diagnosis and self-calibration of oxygen microsensor during real-time monitoring and to lead to an integrated system with on-chip, built-in intelligence. |
| type | Article - Journal |
| type.DCMIType | text |
| type.status | Postprint |
| relation.isPartOf | Sensors & Actuators B, Chemical |
| rights | This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. |
| rights.URI | |
| date.accessioned | 2008-05-21T16:06:04Z |
| date.available | 2008-05-29T21:06:34Z |
| identifier.persist.URI |