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Updated: May 19, 2026

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Split Hybridization Probe Utilizing a DNA Fluorescent Light-up Aptamer as a Signal Reporter for Sequence-Specific Nucleic Acid Analysis
Published on: July 8, 2025
A versatile molecular beacon-like probe for multiplexed detection based on fluorescence polarization and its
Min Zhang1, Huynh-Nhu Le, Ping Wang
1State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Meilong RD 130, Shanghai, 200237, China.
Summary
A novel molecular beacon probe enables multiplexed detection and resettable logic gate operations. This fluorescence polarization method offers versatile biosensing capabilities.
Area of Science:
- Biochemistry
- Molecular Biology
- Analytical Chemistry
Background:
- Molecular beacons (MBs) are DNA-based probes used for nucleic acid detection.
- Multiplexed detection and logic gate operations are advanced biosensing techniques.
Purpose of the Study:
- To develop a versatile molecular beacon (MB)-like probe.
- To enable multiplexed detection using fluorescence polarization.
- To achieve resettable logic gate operation.
Main Methods:
- Development of a novel MB-like probe.
- Utilizing target-induced allosteric effects.
- Employing fluorescence polarization for signal detection.
Main Results:
- The probe demonstrated versatility for multiplexed detection.
- Successful implementation of target-induced allosteric effects.
- Achieved resettable logic gate operation.
Conclusions:
- The developed MB-like probe is a versatile tool for biosensing.
- The probe facilitates multiplexed detection and logic gate functions.
- This approach enhances the capabilities of fluorescence polarization-based detection.

