Ryu Konno, Ryo Yamada, Mika Hanayama, Takashi Masadome
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引用次数: 0
摘要
本研究介绍了一种新型微流控聚合物芯片系统,该系统采用嵌入式阴离子表面活性剂(AS)离子选择性荧光光电二极管(AS 荧光光电二极管)作为测量 AS 的检测器。AS 荧光光电极由内酯形式的罗丹明 B(L-RB)组成,嵌入 2-硝基苯辛基醚塑化聚(氯乙烯)膜中。在最佳流动条件下,AS 荧光光电二极管的荧光强度峰高与 AS 浓度在 20 µM 以下范围内呈线性相关。AS 的检测限约为 0.06 µM。微流控系统可用于测量河水和自来水等环境样品中的 AS 含量。
Optical fiber chemical sensing of anionic surfactants using a microfluidic polymer chip with embedded ion-selective fluorescence optode.
This study introduces a novel microfluidic polymer chip system that employs an embedded anionic surfactant (AS) ion-selective fluorescence optode (AS fluorescence optode) as a detector for measuring AS. The AS fluorescent optode comprises a lactone form of rhodamine B (L-RB) embedded in 2-nitrophenyl octyl ether plasticized poly (vinyl chloride) membrane. The AS fluorescence optode demonstrated a linear correlation between fluorescence intensity peak heights and AS concentrations within the range of less than 20 µM under optimal flow conditions. The limit of detection for AS was approximately 0.06 µM. The microfluidic system was utilized to measure AS levels in environmental samples, such as river water and tap water.
期刊介绍:
Analytical Sciences is an international journal published monthly by The Japan Society for Analytical Chemistry. The journal publishes papers on all aspects of the theory and practice of analytical sciences, including fundamental and applied, inorganic and organic, wet chemical and instrumental methods.
This publication is supported in part by the Grant-in-Aid for Publication of Scientific Research Result of the Japanese Ministry of Education, Culture, Sports, Science and Technology.