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Highly stable nanosized lucigenin@PS-COOH: a robust chemiluminescence system for sensitive cTnT analysis
Fugang Li1, Qiang Li2, Feng Chen1
1Institute of Analytical Chemistry and Instrument for Life Science, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi, 710049, China.
A new nanosized chemiluminescent system, lucigenin@PS-COOH, offers enhanced stability and sensitivity for detecting human cardiac troponin T (cTnT). This breakthrough aids in the early diagnosis of acute myocardial infarction using advanced biomarker detection.
Area of Science:
- Biomedical Engineering
- Analytical Chemistry
- Clinical Diagnostics
Background:
- Accurate detection of human cardiac troponin T (cTnT) is vital for diagnosing acute myocardial infarction.
- Conventional chemiluminescent (CL) probes face limitations in stability, solubility, and bioavailability, hindering clinical application.
Purpose of the Study:
- To develop a novel, stable, and highly sensitive nanosized CL system for cTnT detection.
- To improve upon the limitations of traditional CL probes for clinical biomarker assays.
Main Methods:
- Encapsulation of lucigenin within carboxyl polystyrene (PS-COOH) microspheres to create the lucigenin@PS-COOH system.
- Evaluation of the nanosystem's stability, water dispersibility, antibody conjugation capability, and CL signal intensity.
- Validation of the system's performance using clinical data from Longhua Hospital.
Main Results:
- The lucigenin@PS-COOH system demonstrated significantly enhanced stability, water dispersibility, and CL signal intensity compared to conventional probes.
- The nanosystem exhibited excellent biocompatibility.
- Lucigenin@PS-COOH showed excellent linearity with clinical data, confirming its reliability for patient samples.
Conclusions:
- The novel lucigenin@PS-COOH nanosystem provides a stable, sensitive, and effective platform for cTnT detection.
- This system holds strong potential for clinical assays in diagnosing acute myocardial infarction and advancing research on cTnT's role in disease.
