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Proceedings Paper

Parallel immunoassays on HydroGel biochips using microspot arrays
Author(s): Martin Sommer; Cheng Wang; Henry Lisoukov; Robert M. Cavallo; Thomas E. Miller; Jocelyn Burke
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Paper Abstract

Parallel immunoassay enable simultaneous detection of many analytes forma small volume of sample fluid. The use of exceedingly small quantities of capture antibody immobilized in microspots facilitates ambient analyte assay conditions. Under these assy conditions, the fractional occupancy of capture antibody is independent of sample volume. Analyte concentrations are thus measured with greater sensitivity and potentially greater speed. The small drop size delivered by the Packard BioChip Arrayer, a non-contact piezoelectric robotic dispenser, enables the production of arrays consisting of high reproducible microspots of antibodies. The Packard HyrdoGel coated slide is a porous substrate based on a polymer matrix that provides a 3D hydrophilic environment similar to free solution suitable for biomolecular interactions. This substrate has been used to develop fluorescence-based detection immunoassay in multiplex with high sensitivity and offers advantages of increased probe capacity, functionality and accessability for other biomolecular screening applications. Images are captured with the ScanArray confocal laserscanner, which offers the use to choose from a wide range of fluorescent dyes with high resolution and sensitivity, and analyzed with QuantArray microarray analysis software, which enables researchers to easily and accurately visualize and quantitate gene expression and proteomics data.

Paper Details

Date Published: 21 June 2002
PDF: 9 pages
Proc. SPIE 4626, Biomedical Nanotechnology Architectures and Applications, (21 June 2002); doi: 10.1117/12.472059
Show Author Affiliations
Martin Sommer, PerkinElmer Life Sciences (United States)
Cheng Wang, PerkinElmer Life Sciences (United States)
Henry Lisoukov, PerkinElmer Life Sciences (United States)
Robert M. Cavallo, PerkinElmer Life Sciences (United States)
Thomas E. Miller, PerkinElmer Life Sciences (United States)
Jocelyn Burke, PerkinElmer Life Sciences (United States)


Published in SPIE Proceedings Vol. 4626:
Biomedical Nanotechnology Architectures and Applications
Raymond P. Mariella; Catherine J. Murphy; Michelle Palmer; David A. Dunn; Darryl J. Bornhop; David A. Dunn; Raymond P. Mariella; Catherine J. Murphy; Dan V. Nicolau; Shuming Nie; Michelle Palmer; Ramesh Raghavachari; Darryl J. Bornhop; Ramesh Raghavachari; Shuming Nie; Ramesh Raghavachari, Editor(s)

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