The “NanoSuit<sup>®</sup>” as Biomimetic Biofilms: A Novel Scanning Electron Microscopy for Living Organisms

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  • Biomimetic Biofilm としてのNanoSuit<sup>®</sup>： 生態観察の革新的手法
  • Biomimetic BiofilmとしてのNanoSuit : 生態観察の革新的手法
  • Biomimetic Biofilm ト シテ ノ NanoSuit : セイタイ カンサツ ノ カクシンテキ シュホウ
  • The &ldquo;NanoSuit<sup>&reg;</sup>&rdquo; as Biomimetic Biofilms: A Novel Scanning Electron Microscopy for Living Organisms

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Abstract

Electron beam radiation or plasma treatment of the extracellular substances (ECS) of Drosophila's maggots allowed them to survive in the high vacuum environment of a scanning electron microscope (SEM). The plasma-polymerized nano-film of the ECS acts as a protective layer for the rapid dehydration under the reduced pressure of SEM observation. Artificial coating of polysorbitan monolaurate (Tween-20) allowed organisms without a natural ECS to survive under SEM experiment. The results of grazing-incidence small-angle X-ray scattering (GI-SAXS) experiment indicate that the plasma-irradiated surface of the Tween-20 thin film inhibits water evaporation from the insect body. We have proposed a novel method of “NanoSuit” for the high resolution SEM observation of living specimens.

Journal

  • Hyomen Kagaku

    Hyomen Kagaku 37 (5), 202-206, 2016

    The Surface Science Society of Japan

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