Elucidation of meso-dynamics of soft matter using AC active microrheology
| Project/Area Number |
26287100
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Biological physics/Chemical physics/Soft matter physics
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| Research Institution | Kyushu University |
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Principal Investigator |
Kimura Yasuyuki 九州大学, 理学(系)研究科(研究院), 教授 (00225070)
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| Research Collaborator |
IWASHITA Yasutaka 九州大学, 大学院理学研究院, 助教 (50552494)
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| Project Period (FY) |
2014-04-01 – 2017-03-31
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| Project Status |
Completed (Fiscal Year 2016)
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| Budget Amount *help |
¥16,510,000 (Direct Cost: ¥12,700,000、Indirect Cost: ¥3,810,000)
Fiscal Year 2016: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2015: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2014: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Keywords | マイクロレオロジー / 光ピンセット / 複素力学応答スペクトル / ホログラフィック顕微鏡 / ３次元追跡 / 複素粘性率スペクトル / ３次元位置測定 / ソフトマター / メゾダイナミクス / 非線形応答 / 光トラップ |
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| Outline of Final Research Achievements |
In order to understand the structure and dynamics of soft matter complex fluids, it is necessary to obtain knowledge about their response at mesoscale. In this study, we have developed an AC active microrheology measurement system to study the local mechanical properties of soft matter. We measured the amplitude and phase lag of displacement of a micron-sized probe particle under AC external force applied by optical tweezers. We also developed a holographic microscope that enables simultaneous observation of three dimensional displacement of multiple particles from a hologram caused by interference between the incident and the scattered light when probe particles are irradiated with laser light. With this method, we succeeded in tracking of multiple self-propelled particles in three dimension.
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Report
(4 results)
Research Products
(41 results)
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[Presentation] 相分離リポソームの突起形成2014
Author(s)
祐下岳志, 岩下靖孝, 木村康之, 柳澤実穂
Organizer
第120回日本物理学会九州支部例会
Place of Presentation
崇城大学・熊本市
Year and Date
2014-12-06
Related Report
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[Presentation] 大久保省吾，岩下靖孝，木村康之2014
Author(s)
光で駆動されたコロイド粒子の集団運動
Organizer
日本物理学会2014年秋季大会
Place of Presentation
中部大学・春日井市
Year and Date
2014-09-07 – 2014-09-10
Related Report
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