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  4. Effect of sample treatment on biomechanical properties of insect cuticle
 
Verlagslink DOI
10.1016/j.asd.2016.08.001

Effect of sample treatment on biomechanical properties of insect cuticle

Veröffentlichungsdatum
2017-01
Autoren
Aberle, Benjamin  
Jemmali, Raouf  
Dirks, Jan-Henning  
Zusammenfassung
Experimental limitations often prevent to perform biomechanical measurements on fresh arthropod cuticle samples. Hence, in many cases short- or long-term storage of samples 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 all tested treatments, freezing samples at -20 °C was the best option to maintain the original values for Young's modulus and damping properties of insect cuticle. In addition, our results indicate that the damping properties of locust hind legs might be mechanically optimized in respect to the jumping and kicking direction.
Schlagwörter
Biomechanics

; 

Dynamic mechanical analysis

; 

Insect cuticle

; 

Sample treatment
Verlag
Elsevier Science
Institution
Hochschule Bremen  
Fachbereich
Hochschule Bremen - Fakultät 5: Natur und Technik  
Dokumenttyp
Artikel/Aufsatz
Zeitschrift/Sammelwerk
Arthropod structure & development  
Band
46
Heft
1
Startseite
138
Endseite
146
Zweitveröffentlichung
Nein
Sprache
Englisch

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