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- W4363648386 abstract "Fluorescence sensors have been defined as an important detection method due to their high sensitivity, low detection limit, strong intuition, simple operation, and wide application range. This detection method has wide application value in the detection of various ions and molecules. However, the current fluorescence sensors require complex optical components and systems, which make them expensive and bulky. Here, we propose a portable fluorescence sensor. The sensor mainly consists of two modules: fluorescence excitation and fluorescence signal acquisition. The excitation light is generated by a small laser, and the transmission of excitation light and fluorescence is realized by a Y-type optical fiber coupler. Finally, the signal is collected by the smartphone. The visualization operation is realized by building a smartphone APP, the fluorescent image is processed by digital image processing technology, and the biochemical quantitative detection is realized by calculating the gray value change of the fluorescent signal. Hypochlorite is the most active and widely used chlorine compound in chlorides. It can effectively inactivate microbial cells suspended in water, thereby achieving sterilization of water. Therefore, hypochlorite is widely used as a water bactericide, but too much hypochlorite will cause certain damage to cells and tissues in the human body. As a commonly used fluorescent dye, coumarin has a wide range of applications in biochemical detection due to its good fluorescence spectrum. Among them, 7-diethylamino-4 methyl coumarin will react with hypochlorite to produce fluorescence quenching. Therefore, it can be used for quantitative detection of hypochlorite content in water. Experiments show that the sensor can quickly detect the concentration of hypochlorite, not only has high sensitivity and low detection limit, but also has good accuracy. Because of its small size, simple operation, cost-effectiveness, and on-site detection, the instrument is expected to be used in the detection of in vivo cells and has a good development prospect." @default.
- W4363648386 created "2023-04-11" @default.
- W4363648386 creator A5032131036 @default.
- W4363648386 creator A5063089557 @default.
- W4363648386 date "2023-04-10" @default.
- W4363648386 modified "2023-09-25" @default.
- W4363648386 title "A smartphone based portable biochemical sensor for detecting hypochlorite" @default.
- W4363648386 doi "https://doi.org/10.1117/12.2672905" @default.
- W4363648386 hasPublicationYear "2023" @default.
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