Related Experiment Videos
[Microspheres, nanospheres and flow cytometry: from cellular to molecular analysis]
1Laboratoire de biochimie médicale/Inserm, U 498 - IFR 100, CHU/Hôpital du Bocage, BP 77908, 21079 Dijon. Gerard.Lizard@u-bourgogne.fr
Annales De Biologie Clinique
|March 30, 2004
Summary
Micro- and nanospheres are essential for flow cytometry, optimizing signals and enabling cellular purification. New microsphere assays allow for multiplexed quantification of various analytes in biological samples, advancing research and diagnostics.
Area of Science:
- Biotechnology
- Analytical Chemistry
- Cell Biology
Context:
- Micro- and nanospheres are integral to flow cytometry advancements.
- They are crucial for optimizing signal detection, fluorescence calibration, and cell purification.
- Applications include evaluating phagocytosis and detecting low-abundance antigens.
Purpose:
- To highlight the role of micro- and nanospheres in flow cytometry.
- To describe the development of microsphere-based assays for quantifying soluble analytes.
- To showcase multiplexed bead systems for simultaneous analyte measurement.
Summary:
- Microsphere-based flow cytometry assays utilize spectrally distinct fluorescent microspheres as solid supports for various assays (immunoassays, affinity assays, DNA hybridization).
- These assays are analyzed via flow cytometry, enabling multiplexed measurement of numerous analytes in small sample volumes.
- Recent applications include cytokine and PCR product quantification, and single nucleotide polymorphism genotyping.
Impact:
- Microsphere and flow cytometry technologies facilitate the development of efficient diagnostic and research methods.
- Multiplexed assays offer high-throughput analysis of biological samples.
- These advancements have the potential to significantly improve disease diagnosis and biological research.