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Bioengineering

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Hollow Microneedle-based Sensor for Multiplexed Transdermal Electrochemical Sensing

14.3K Views

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08:19 min

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June 1st, 2012

DOI :

June 1st, 2012

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Philip R. Miller¹^,², Shelby A. Skoog¹, Thayne L. Edwards², David R. Wheeler², Xiaoyin Xiao², Susan M. Brozik², Ronen Polsky², Roger J. Narayan¹

¹Joint Department of Biomedical Engineering, University of North Carolina and North Carolina State University, ²Department of Biosensors and Nanomaterials, Sandia National Laboratories

Summary

This article details the construction of a multiplexed microneedle-based sensor. The device is being developed for in situ sampling and electrochemical analysis of multiple analytes in a rapid and selective manner. We envision clinical medicine and biomedical research uses for these microneedle-based sensors.

Explore More Videos

Microneedle based Sensor

Transdermal Electrochemical Sensing

Minimally Invasive Monitoring System

Biologically relevant Molecules

Multiplexed Sensor

Interstitial Fluid Sampling

Selective Detection

Microneedle electrode Devices

Transducing Elements

Simultaneous Detection

Multiple Analytes

Microenvironments

Chapters in this video

0:05

Title

1:32

Microneedle Fabrication

2:49

Fabrication of Carbon Paste Electrode Arrays

3:58

Synthesis of Functional Carbon Pastes and Packing of Electrode Cavities

5:12

Detection and Sensor Calibration

6:08

Results: A Novel Transdermal Device for Electrochemical Monitoring

7:40

Conclusion

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