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Updated: Mar 9, 2026

Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE

Application of Biochip Microfluidic Technology to Detect Serum Allergen-specific Immunoglobulin E sIgE

Published on: April 21, 2019

Development of a microarray-based method for allergen-specific IgE and IgG4 detection.

Guzel Feyzkhanova¹, Sergei Voloshin¹, Olga Smoldovskaya¹

¹Engelhardt Institute of Molecular Biology, Russian Academy of Sciences (EIMB RAS), Vavilova str., 32, Moscow, Russia 119991.

Clinical Proteomics

|January 13, 2017

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This study introduces a novel microarray method for simultaneously detecting specific IgE (sIgE) and specific IgG4 (sIgG4) antibodies to common allergens. This advancement offers a more efficient approach to allergy diagnostics and disease severity assessment.

Area of Science:

Immunology
Biotechnology
Medical Diagnostics

Background:

Accurate diagnosis of type I hypersensitivity requires specific IgE (sIgE) and specific IgG4 (sIgG4) detection.
Current methods analyze these antibodies separately, increasing complexity and cost.
A need exists for a unified diagnostic approach for comprehensive allergy assessment.

Purpose of the Study:

To develop a novel microarray-based method for simultaneous quantitative detection of sIgE and sIgG4.
To enable the analysis of multiple common allergens in a single sample.
To improve the efficiency and accuracy of allergy diagnostics.

Main Methods:

Utilized hydrogel microchip technology for simultaneous sIgE and sIgG4 detection.
Immobilized allergens on gel pads for multiplexed antibody capture.

Keywords:

Allergy diagnostics Biochips Immunoassay Microarrays sIgG4

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Incorporated internal calibration curves and Cy5/Cy3 fluorescent dyes for quantification.

Main Results:

Developed a multiplex immunoassay for simultaneous quantitative detection of sIgE and sIgG4 to 31 allergens.
Validated the microarray method against established plate-based assays using 152 blood serum samples.
Demonstrated high correlation and diagnostic accuracy through ROC analysis and Passing-Bablok regression.

Conclusions:

The developed microarray method enables simultaneous screening and severity assessment of allergies.
This technology can enhance clinical decision-making for patient therapy selection.
Implementation in diagnostics offers a more efficient and informative approach to allergy management.