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A Polyaniline-based Sensor of Nucleic Acids
Published on: November 1, 2016
Highly sensitive fluorescent sensing for water based on poly(m-aminobenzoic acid)
Qiliang Deng1, Yanli Li, Jianhua Wu
1Department of Science, Tianjin University of Science and Technology, Tianjin, 300457, P. R. China. tjqld@sina.com.cn
Summary
A new poly(3-aminobenzoic acid) fluorescence sensor detects trace water in organic solvents with high sensitivity. This sensitive sensor has a detection limit as low as 0.008 wt% for water in DMF.
Area of Science:
- Polymer Science
- Analytical Chemistry
- Materials Science
Background:
- Accurate quantification of trace water in organic solvents is crucial for various industrial and research applications.
- Existing methods for water detection may lack sensitivity or require complex procedures.
- Development of novel, highly sensitive sensors is needed.
Purpose of the Study:
- To develop a new fluorescent conjugated polymer sensor for detecting trace amounts of water in organic solvents.
- To evaluate the sensitivity and detection limit of the developed sensor.
Main Methods:
- Synthesis of poly(3-aminobenzoic acid) as a fluorescent conjugated polymer.
- Utilizing the polymer as a fluorescence sensor for water detection.
- Determining the detection limit of the sensor in Dimethylformamide (DMF).
Main Results:
- Successfully developed poly(3-aminobenzoic acid) as a novel fluorescence sensor.
- The sensor demonstrated extraordinarily high sensitivity for water detection.
- Achieved a low detection limit of 0.008 wt% for water in DMF.
Conclusions:
- Poly(3-aminobenzoic acid) is a promising new class of fluorescence sensor for trace water analysis.
- The developed sensor offers a highly sensitive and efficient method for water quantification in organic solvents.
- This advancement has potential applications in quality control and chemical process monitoring.

