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Featured researches published by B. Frýdová.


Computer Methods in Biomechanics and Biomedical Engineering | 2013

Mechanical properties of deep-sea molluscan shell

I. Hrabánková; Jiří Frýda; J. Šepitka; Takenori Sasaki; B. Frýdová; J. Lukeš

Mechanical properties of deep-sea molluscan shell I. Hrabankova, J. Frýda, J. Sepitka, T. Sasaki, B. Frýdova & J. Lukes a Faculty of Environmental Sciences, Czech University of Life Sciences, Kamýcka 129, Praha, Czech Republic b Czech Geological Survey, P.O.B. 85, 118 21, Prague 1, Czech Republic c Czech Technical University, Faculty of Mechanical Engineering, Biomechanics and Mechatronics, Prague, Czech Republic d The University Museum, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan e VURV v.v.i., Crop Research Institute, Drnovska 507, 161 06, Prague – Ruzyne, Czech Republic Published online: 07 Aug 2013.


Computer Methods in Biomechanics and Biomedical Engineering | 2013

Crystallographic texture determines mechanical properties of molluscan nacre

Jiří Frýda; J. Šepitka; B. Frýdová; I. Hrabánková; J. Lukeš; M. Klicnarová

1. IntroductionThe study of biologically controlled mineralisationrepresents an essential issue of modern science. Molluscannacre (mother-of-pearl) is one of the most studiednanocomposite materials. Nacre is found in the inner layerofsomeseashells,anditiscomposedof anaragonitephase(about 95vol.%) arranged in microscopic polygonal flattablets,bondedtogetherbyabiopolymerthinfilm(Figure1).Published data on the mechanical properties of molluscannacre show a rather high variability (Barthelat et al. 2007).The reasons for such a high variability are still a matter ofscientificdiscussion.Differenttexturalarrangementsofthearagonitic platelets are one of the possible parametersinfluencing the mechanical properties of the nacre. Twobasictexturaltypesofbivalvenacre(unorderedandorderednacre) have been documented, differing by their arrange-ments of the a- and b-axis of aragonite (Figure 1).Here, we use a combination of nanoindentation andelectronbackscatterdiffraction(EBSD)totestwhetherthecrystallographic texture of nacre controls its mechanicalproperties. The aims of this study are as follows: (1) todeterminate the hardness (H) and reduced elastic modulus(E


Journal of Asian Earth Sciences | 2014

Stratigraphy and facies development of the marine Late Devonian near the Boulongour Reservoir, northwest Xinjiang, China

Thomas J. Suttner; Erika Kido; Xiuqin Chen; Ruth Mawson; Johnny A. Waters; Jiří Frýda; David Mathieson; Peter D. Molloy; John Pickett; Gary D. Webster; B. Frýdová


Bulletin of Geosciences | 2014

First evidence for the Homerian (late Wenlock, Silurian) positive carbon isotope excursion from peri-Gondwana: new data from the Barrandian (Perunica)

Jiří Frýda; B. Frýdová


Bulletin of Geosciences | 2009

Crystallographic texture of Late Triassic gastropod nacre: evidence of long-term stability of the mechanism controlling its formation

Jiří Frýda; K. Bandel; B. Frýdová


Bulletin of Geosciences | 2010

Variability in the crystallographic texture of bivalve nacre

Jiří Frýda; K. Klicnarová; B. Frýdová; Michal Mergl


Bulletin of Geosciences | 2009

Platyceratid gastropods - stem group of patellogastropods, neritimorphs or something else?

Jiří Frýda; P.R. Racheboeuf; B. Frýdová; L. Ferrová; Michal Mergl; S. Berkyová


Bulletin of Geosciences | 2008

A new Early Devonian palaeozygopleurid gastropod from the Prague Basin (Bohemia) with notes on the phylogeny of the Loxonematoidea

Jiří Frýda; L. Ferrová; S. Berkyová; B. Frýdová


Zootaxa | 2013

Review of palaeozygopleurid gastropods (Palaeozygopleuridae, Gastropoda) from Devonian strata of the Perunica microplate (Bohemia), with a re-evaluation of their stratigraphic distribution, notes on their ontogeny, and descriptions of new taxa.

Jiří Frýda; L. Ferrová; B. Frýdová


Canadian Journal of Earth Sciences | 2016

The Homerian (late Wenlock, Silurian) carbon isotope excursion from Perunica: Does dolomite control the magnitude of the carbon isotope excursion?

Jiří Frýda; B. Frýdová

Collaboration


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Jiří Frýda

Czech University of Life Sciences Prague

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L. Ferrová

Charles University in Prague

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I. Hrabánková

Czech University of Life Sciences Prague

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J. Lukeš

Czech Technical University in Prague

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J. Šepitka

Czech Technical University in Prague

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Michal Mergl

University of West Bohemia

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Jan Rohovec

Academy of Sciences of the Czech Republic

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M. Klicnarová

Czech University of Life Sciences Prague

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Šárka Matoušková

Academy of Sciences of the Czech Republic

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