[21p-W631-1~14] 12.2 評価・基礎物性

▼ [21p-W631-11] Microfluidic based transmission surface plasmon resonance measurement developed for biosensor applications

〇Lertvachirapaiboon Chutiparn¹、Baba Akira¹、Ekgasit Sanong²、Shinbo Kazunari¹、Kato Keizo¹、Kaneko Futao¹ (1.Graduate School of Science and Technology, Niigata Univ.、2.Sensor Research Unit, Chulalongkorn Univ.)

キーワード：Transmission surface plasmon resonance,Microfluidic,Biosensor

We successfully developed microfluidic based transmission surface plasmon resonance sensor chip for glucose sensor application. The gold-coated grating structure provided strong and narrow surface plasmon excitation peaks at 740-760 nm, which sensitived to local dielectric condition at the metal interface. The transmission surface plasmon resonance signal obtained from our developed substrate showed a linearity in glucose concentration range of 50-300 mg/dL. This technique provides a simple procedure for various biomolecules, multiplex systems, and further developed to be a point-of-care assay for practical biosensor applications.