Development of terahertz micro TAS tips for an ultra-small amount of solutions with high sensitivity

2017 Fiscal Year Final Research Report

• Project/Area Number: 16K14255
• Research Category: Grant-in-Aid for Challenging Exploratory Research
• Allocation Type: Multi-year Fund
• Research Field: Electron device/Electronic equipment
• Research Institution: Osaka University
• Principal Investigator: Kitagishi Keiko 大阪大学, レーザーエネルギー学研究センター, 特任研究員 (20563860)
• Co-Investigator(Renkei-kenkyūsha): SERITA Kazunori 大阪大学, レーザー科学研究所, 特任研究員 (00748014)
• Research Collaborator: OKADA Kosuke ; OHASHI Shohei
• Project Period (FY): 2016-04-01 – 2018-03-31
• Keywords: テラヘルツデバイス / 超微量溶液分析

Outline of Final Research Achievements

Microchips for an ultra-small amount of solutions of pico-liter order with high sensitivity of femtomole level has been designed and developed by using near-field emitted terahertz (THz). A GaAs(110) substrate as a THz emitter on which micro channels were fabricated, was provided as an integrated THz microchip combining a THz emitter and a sample solution vessel. Metamaterial structure fabricated on the surface of GaAs brought higher sensitivity. In order to develop disposable microchips, a thin film of polydimethylsiloxane (PDMS) with microchannels stuck on GaAs was designed. By using new microchips, the solutions of biomolecules were measured and evaluated.

Free Research Field

分析化学、テラヘルツ工学、光工学