研究目的
To develop a protein content sensor based on plastic optical fiber (POF) using bending methods for high sensitivity, simple measurement systems, simple fabrication, and low cost.
研究成果
The greater concentration of protein solution, the greater the change in sensor output voltage. The best measurement results were obtained in a spiral configuration at 3 bends, with a range of 0.005 mg/ml, sensitivity 0.007 Vml/mg, and resolution of 0.142 mg/ml.
研究不足
The study is limited to BSA solutions and does not explore other proteins or complex mixtures. The sensor's performance in real-world applications outside controlled laboratory conditions is not tested.
1：Experimental Design and Method Selection:
The study uses bending methods in POF to measure protein content. The sensor configurations include gamma and spiral with varying diameters and bends.
2：Sample Selection and Data Sources:
BSA solutions with concentrations from
3：1 to 0 mg/ml are used. List of Experimental Equipment and Materials:
POF made of PMMA, infrared LED (IFE91A), phototransistor (IFD92), operational amplifier, Arduino Uno.
4：Experimental Procedures and Operational Workflow:
The sensor is dipped into BSA solutions, and output voltage changes are measured and analyzed.
5：Data Analysis Methods:
Output voltage changes are analyzed to determine sensor characteristics like range, sensitivity, and resolution.
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