Advanced multiplexed analysis with the FlowMetrix system

Area of Science:

• Biotechnology
• Analytical Chemistry
• Molecular Biology

Background:

• Flow cytometry is a powerful technique for cell analysis.
• Multiplexed assays allow for simultaneous detection of multiple targets.
• Existing platforms may have limitations in analyte throughput and assay flexibility.

Purpose of the Study:

• To introduce the FlowMetrix System, a novel platform for multiplexed flow cytometric analysis.
• To demonstrate the system's capability for simultaneous measurement of up to 64 analytes.
• To showcase its application in diverse biological assays.

Main Methods:

• The FlowMetrix System integrates a benchtop flow cytometer with a PC-based digital signal processing unit.
• It utilizes 64 distinct sets of fluorescent microspheres, each modified with specific reactive components (antigens, antibodies, oligonucleotides).
• The system performs real-time data processing for simultaneous analysis of multiple independent reactions.

Main Results:

• The system successfully performed qualitative and quantitative immunoassays for multiple serum proteins.
• It was applied in both capture and competitive inhibition immunoassay formats.
• DNA sequence analysis was achieved using multiplexed competitive hybridization with 16 sequence-specific oligonucleotide probes.

Conclusions:

• The FlowMetrix System offers a high-throughput solution for multiplexed flow cytometric analysis.
• It provides a versatile platform for both immunoassays and nucleic acid analysis.
• This technology enhances the efficiency and scope of biological research through simultaneous analyte measurement.