J0205-3-3 細菌の遊泳軌跡の曲率と境界からの距離との関係 : ピントはずれを利用した観察([J0205-3]バイオメカニズム/バイオミメティクス/バイオインスパイアー(3))

概要

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We experimentally investigate three-dimensional swimming trajectories of bacteria near a surface. In order to measure the position of depth direction of the view, we elucidated the relationship between apparent color of the bacteria and distance from the focal plane. Distance between bacteria and the focal plane was successfully deduced as a function of gradation value in gray scale. By using this relationship, we measured the curvature of trajectories in bacterial swimming which is hydrodynamically affected by a surface. It results in more influence of a rigid surface on the bacterial swimming than a free surface.
一般社団法人日本機械学会の論文
2010-09-04