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DNA Microarrays

DNA Microarrays

Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...

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Ultrasensitive Detection of Biomarkers by Using a Molecular Imprinting Based Capacitive Biosensor

Ultrasensitive Detection of Biomarkers by Using a Molecular Imprinting Based Capacitive Biosensor

Published on: February 16, 2018

Molecularly imprinted polymer sensor arrays.

Nathaniel T Greene¹, Stephen L Morgan, Ken D Shimizu

¹Department of Chemistry and Biochemistry, University of South Carolina, Columbia, USA.

Chemical Communications (Cambridge, England)

|May 12, 2004

Summary

This summary is machine-generated.

An advanced sensor array using molecularly imprinted polymers can accurately distinguish six types of aryl amines, even complex diastereomers.

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Published on: January 25, 2012

Area of Science:

Analytical Chemistry
Materials Science
Polymer Science

Background:

Aryl amines are important industrial chemicals but challenging to differentiate.
Developing selective sensors for aryl amine detection is crucial.

Purpose of the Study:

To create a molecularly imprinted polymer (MIP) sensor array for aryl amine detection.
To evaluate the array's ability to differentiate structurally similar aryl amines, including diastereomers.

Main Methods:

Fabrication of an eight-channel sensor array utilizing MIPs.
Testing the sensor array's response to six different aryl amine analytes.
Statistical analysis to determine differentiation accuracy.

Main Results:

The MIP sensor array successfully differentiated between the six aryl amine analytes.
Achieved a high differentiation accuracy of 94%, even for challenging diastereomers.
Demonstrated the potential of MIPs in complex chemical sensing applications.

Conclusions:

The developed MIP sensor array offers a promising solution for selective aryl amine detection.
This technology can be applied in environmental monitoring, quality control, and pharmaceutical analysis.
Further development could expand the range of detectable analytes and improve sensitivity.