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Advanced aptasensor technologies for sensitive detection of 17β-Estradiol.
Yanan Cao1, Mingshu Zhou1, Hua Li2
1Department of Obstetrics, and Gynecology, Beijing Electric Power Hospital, State Grid Corporation, Beijing 100073, China.
Summary
New aptasensors offer sensitive and selective detection of 17β-estradiol (E2), a key endocrine disruptor. These advanced biosensors utilize aptamers and nanomaterials for improved environmental and biomedical monitoring.
Area of Science:
- Analytical Chemistry
- Biomedical Engineering
- Environmental Science
Background:
- 17β-estradiol (E2) is a critical endocrine-disrupting compound requiring sensitive detection.
- Conventional E2 detection methods face challenges in sensitivity, selectivity, and cost.
- Aptasensors offer a promising alternative due to their specificity, stability, and adaptability.
Purpose of the Study:
- To review recent advancements in aptasensor technologies for 17β-estradiol detection.
- To highlight the performance enhancements achieved through nanomaterial integration.
- To discuss the potential of aptasensors for real-time monitoring in various sample types.
Main Methods:
- Exploration of optical, electrochemical, and SERS-based aptasensor platforms.
- Integration of nanomaterials like gold nanoparticles, carbon dots, and conductive polymers.
- Evaluation of sensor performance metrics including detection limits and dynamic ranges.
Main Results:
- Nanomaterial integration significantly enhances aptasensor performance for E2 detection.
- Achieved ultralow detection limits and broad dynamic ranges for E2.
- Demonstrated the versatility of aptasensors across optical, electrochemical, and SERS modalities.
Conclusions:
- Aptasensors represent a significant advancement for sensitive and selective E2 detection.
- These biosensors offer scalable, real-time monitoring solutions for environmental and clinical applications.
- Innovations in aptasensor technology contribute to improved endocrine regulation and public health safety.
