determination of the young s modulus of the epicuticle of


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Determination of the Young's modulus of the epicuticle of

Sep 11, 2014 · Young's modulus of the epicuticle. To determine the Young's modulus of the thin epicuticle, tensile tests were performed. To achieve this, stick insects were allowed to adhere onto a thin latex membrane, which was stretched while simultaneously observing the elongation of latex membrane and arolium contact area under a microscope. Determination of the Young's modulus of the epicuticle of Determination of the Young's modulus of the epicuticle of the smooth adhesive organs of Carausius morosus using tensile testing By M. Bennemann, S. Backhaus, Comparison of Statically and Dynamically Determined Young Feb 01, 1936 · Determination of the Young's modulus of the epicuticle of the smooth adhesive organs of Carausius morosus using tensile testing. Bennemann M, Backhaus S, Scholz I, Park D, Mayer J, Baumgartner W. J Exp Biol, 217(pt 20):3677-3687, 11 Sep 2014 Cited by:5 articles PMID:25214493 PMCID:PMC4198382 The adhesive pads of Heteroptera:A re-examinationAs a result of the epicuticle being supported by upright fibres tensile tests allow the determination of the Young's modulus of the epicuticle hardly affected by subjacent layers. Westfälisches Institut für Bionik Publikationen Determination of the Youngs modulus of the epicuticle of the smooth adhesive organs of Carausius morosus using tensile testing. In Bionik:Patente aus der Natur (eds. Kesel, A. Microstructure and nanomechanical properties of the Mar 19, 2021 · Overall, the elytron exhibited 18%22% greater mechanical strength than the pronotum. (b) Normalized moduli show that the epicuticle's modulus was 25.4% of the exocuticle's modulus (100%), the endocuticle's modulus was 78.5% of the exocuticle's modulus, and the epidermis' modulus was 54.7% of the exocuticle's modulus. Stefan BACKHAUS ETH Zurich, Zürich ETH Zürich Determination of the Young's modulus of the epicuticle of the smooth adhesive organs of Carausius morosus by tensile testing adhesive organs must be very soft exhibiting an effective Young's Mechanics of the locust hind wingthe Youngs modulus of the membrane was measured using consists of epicuticle only, we have, in parallel with these tests, assayed for chitin using a combined gas pyrolysis/mass determine whether this is the rule and to determine its nature, cause and signicance, if any, in the functioning of the wing. Stefan Backhaus Senior IT Project and Portfoliomanager Bachelor's thesis RWTH Aachen, Institut for Biology I - Unit for cellular Neurobionics Backhaus, S., Scholz, I., Park, D., Mayer, J., & Baumgartner, W. (2014). Determination of the Youngs modulus of the epicuticle of the smooth adhesive organs of Carausius morosus using tensile testing. The Journal of Experimental Biology, 217(Pt 20 MECHANICAL PROPERTIES OF ORGANIC AND This article deals with determination of material parameters of organic fibers and also synthetic PVA fibers. 2. the Youngs modulus of elasticity Ef and hardness were evaluated. Each set consisted of 9 fibers, which was cut at least in 3 specimens. epicuticle or A-layer (>30% cystine), exocuticle (>15% cystine) and endocuticle (~30% Ancestrally high elastic modulus of gecko setal -keratin Mar 20, 2007 · Bennemann M, Backhaus S, Scholz I, Park D, Mayer J and Baumgartner W (2014) Determination of the Young's modulus of the epicuticle of the smooth adhesive organs of Carausius morosus by tensile testing , Journal of Experimental Biology, 10.1242/jeb.105114 Combined effects of wrinkled vein structures and Jan 01, 2021 · To analyze the nanomechanical properties of the veins, the structures of the hind wing and veins are analyzed, and the reduced modulus is measured. Poissons ratio, which is unknown, is assumed to be 0.25 (Saha and Nix, 2002). In formulas (1) and (2), the reduced modulus (E eff) of the specimen approaches Youngs modulus (E). 3. Results3.1. (PDF) Functional morphology of the adhesive organs of The spirally form of the fibrous structures in the epicuticula might account to the very low Youngs modulus of 12 kPa [17]. The fine spirally structures in the epicuticle may be pore canals [17] though which the adhesive fluid could be deposited from the procuticle on the surface. Recent development of PeakForce Tapping mode atomic Oct 13, 2018 · These epicuticle cells needed to be kept alive in liquid environment. [15] Reynaud C, Sommer F, Quet C, El Bounia N, Duc T.M. Quantitative determination of Youngs modulus on a biphase polymer system using atomic force microscopy. Surf. Interface Anal. 2000, 30, 185189.

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