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Effect of sample treatment on biomechanical properties of insect cuticle

Aberle, Benjamin and Jemmali, Raouf and Dirks, Jan-Henning (2016) Effect of sample treatment on biomechanical properties of insect cuticle. Arthropod Structure & Development. Elsevier. ISSN 1467-8039.

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Due to experimental restrictions it is not always possible or practical to perform biomechanical measurements on fresh arthropod cuticle samples. Hence, in many cases a short- or long-term sample storage is required. So far, it is not known whether any of the standard lab-techniques commonly used to fix or store insect cuticle samples in any way affects the biomechanical properties of the respective samples. In this paper we systematically address this question for the first time, with a focus on practical, easily accessible and common lab-methods including storage in water, ethanol, glutaraldehyde, freezing and desiccation. We performed a comprehensive and sensitive non-destructive Dynamic Mechanical Analysis (DMA) on locust hind leg tibiae using a three-point-bending setup. Our results show that from the tested treatments, freezing samples at -20°C was the best option to maintain the original values for stiffness and damping properties of insect cuticle.

Item URL in elib:https://elib.dlr.de/99759/
Document Type:Article
Title:Effect of sample treatment on biomechanical properties of insect cuticle
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Aberle, BenjaminMax Planck Institute for Intelligent SystemsUNSPECIFIED
Journal or Publication Title:Arthropod Structure & Development
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:Insect cuticle; biomechanics; sample treatment; Dynamic Mechanical Analysis
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Ceramic Composite Structures
Deposited By: Jemmali, Raouf
Deposited On:14 Jan 2016 09:40
Last Modified:08 Mar 2018 18:38

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