A quantum dot (QD)-based lab-on-bead system is a unique tool for multiple analysis of cancer markers in human serum samples by using a flow cytometer. In terms of specificity and sensitivity, this method is comparable with ELISA, the “gold standard” of serological in-clinic detection of single analytes. Fluorescent microspheres encoded with QDs have been used for the quantitative detection of free and total prostate-specific antigen in human serum samples. Developed multiplex assay demonstrates a clear discrimination between serum samples from control subjects and cancer patients. The proposed QD-based method is adaptable and makes it possible to develop numerous clinical tests with decreased duration and cost for early diagnosis of various diseases.
CITATION STYLE
Tsoy, T., Karaulov, A., Nabiev, I., & Sukhanova, A. (2020). Multiplexed Detection of Cancer Serum Antigens with a Quantum Dot-Based Lab-on-Bead System. In Methods in Molecular Biology (Vol. 2135, pp. 225–236). Humana Press Inc. https://doi.org/10.1007/978-1-0716-0463-2_13
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