Towards bio-inspired materials

May/18/2017
TESCAN SEM VEGA3 for electromechanical characterisation of biological samples
In this work morphological studies and electromechanical characterisation of fish scales from grass carp (Ctenopharyngodon idellus) revealed how green carp are sensitive to their surroundings and show how fish scales – natural polymers – can be used as highly sensitive piezoelectric materials in high-sensitive and high-speed devices with great implications for biomedical applications. The scales were analysed – among other techniques – with the TESCAN SEM VEGA3 LMH equipped with an energy dispersive X-ray analyser.

SEM images of the four domains. (a) Magnified image of a typical ridge (I) region. (b) Magnified image of a trough (II) region. (c) Magnified image of a crescent (III). (d) Magnified image of the base (IV) belonging to the rough region.
SEM images of the four domains. (a) Magnified image of a typical ridge (I) region. (b) Magnified image of a trough (II) region. (c) Magnified image of a crescent (III). (d) Magnified image of the base (IV) belonging to the rough region.


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