Development of odor-responsive polymer film and odor sensing

2016 Fiscal Year Final Research Report

• Project/Area Number: 26420310
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Electron device/Electronic equipment
• Research Institution: Kyushu University
• Principal Investigator: Onodera Takeshi 九州大学, 味覚・嗅覚センサ研究開発センター, 准教授 (50336062)
• Project Period (FY): 2014-04-01 – 2017-03-31
• Keywords: 匂いセンサ / ポリマー / 抗原抗体反応 / バイオセンサ / 表面プラズモン共鳴 / 蛍光 / フォトニック結晶

Outline of Final Research Achievements

A measurement system for surface plasmon-field enhanced fluorescence spectroscopy (SPFS) was developed. A laser diode as a light source was employed in the optical system. A convergent light beam was irradiated from the laser diode to the interface between a prism and an Au thin film. Fluorescent dye was excited by surface plasmon resonance (SPR) and fluorescence emission measured by a photomultiplier tube. Specific antibody-antigen interaction between fluorescent labeled-anti-trinitrotoluene (TNT) monoclonal antibody and a TNT analog immobilized on the Au surface or TNT could be monitored. Additionally, a TNT analog was immobilized on a polymer-modified sensor surface. TNT was measured by a displacement method on an SPR system, and a LOD achieved over the sensor chip was 0.9 ng/mL. Furthermore, inverse opal photonic crystal (IOPC) films modified with different six alkoxysilanes were developed as odor-responsive films. Three gases could be identified using the IOPC films.

Free Research Field

センサ工学