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Yin, Xiaofei ; Weitzel, Florian ; Griesshaber, Erika ; Fernández-Díaz, Lourdes ; Jiménez López, Concepción ; Ziegler, Andreas ; Rodríguez Navarro, Alejandro ; Schmahl, Wolfgang W. | Elsevier | 2020Hydrogels present model systems for biopolymer matrices in biological structural materials, as their fabric and physicochemical properties can be tailored to mimic characteristics of polymer matrices in biological hard tissues. However, hydrogel[...]texto impreso
Greiner, Martina ; Fernández Díaz, Lurdes ; Griesshaber, Erika ; Zenkert, Moritz N. ; Yin, Xiaofei ; Ziegler, Andreas ; Veintemillas Verdaguer, Sabino ; Schmahl, Wolfgang W. | MDPI | 2018We present results of bioaragonite to apatite conversion in bivalve, coral and cuttlebone skeletons, biological hard materials distinguished by specific microstructures, skeletal densities, original porosities and biopolymer contents. The most p[...]texto impreso
Nindiyasari, Fitriana ; Griesshaber, Erika ; Zimmermann, Tanja ; Manian, Avinash Pradip ; Randow, Clemens ; Randow, Clemens ; Fernández Díaz, Lurdes ; Ziegler, Andreas ; Fleck, Claudia ; Schmahl, Wolfgang W. | Sage publications | 2016We synthesized cellulose/gypsum composites in the presence and absence of sodium alginate and investigated the interaction between the composite components as well as the mechanical properties of the final composites. Four different types of cel[...]texto impreso
Greiner, Martina ; Yin, Xiaofei ; Fernández-Díaz, Lourdes ; Griesshaber, Erika ; Weitze, Florian ; Ziegler, Andreas ; Veintemillas-Verdaguer, Sabino ; Schmahl, Wolfgang W. | American Chemical Society | 2018-01-30We report results of CaCO3 crystallization experiments by counter diffusion in agar gel with two different solid contents (0.5 and 2 wt %) and two solute concentrations (0.1 M CaCl2, 0.1 M Na2CO3; 0.5 M CaCl2, 0.5 M Na2CO3). Solute concentration[...]texto impreso
Yin, Xiaofei ; Weitzel, Florian ; Jime?nez Lo?pez, Concepcio?n ; Griesshaber, Erika ; Fernández-Díaz, Lourdes ; Rodríguez Navarro, Alejandro ; Ziegler, Andreas ; Schmahl, Wolfgang W. | American Chemical Society | 2020Mineralized structures generated under biological control are hierarchical composites that consist of biopolymer matrices and minerals. The biopolymer matrix in biological material is developed as membranes or as a network of fibrils, which has [...]texto impreso
Nindiyasari, Fitriana ; Ziegler, Andreas ; Griesshaber, Erika ; Fernández Díaz, Lurdes ; Huber, Julia ; Walther, Paul ; Schmahl, Wolfgang W. | American Chemical Society | 2015-06-03We investigate the effect of gelatin, agarose, and silica hydrogel with and without magnesium in the growth medium on calcite single crystal growth and aggregate formation. We characterize the hydrogel and the mineral by cryo-scanning electron m[...]texto impreso
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Casella, Laura A. ; He, Sixin ; Griesshaber, Erika ; Fernández Díaz, Lourdes ; Greine, Martina ; Harper, Elizabeth M. ; Jackson, Daniel J. ; Ziegler, Andreas ; Mavromatis, Vasileios ; Dietzel, Martin ; Eisenhauer, Anton ; Veintemillas-Verdaguer, Sabino ; Brand, Uwe ; Schmahl, Wolfgang W. | European Geosciences Union | 2018The assessment of diagenetic overprint on microstructural and geochemical data gained from fossil archives is of fundamental importance for understanding palaeoenvironments. The correct reconstruction of past environmental dynamics is only possi[...]texto impreso
Nindiyasari, Fitriana ; Fernández-Díaz, Lourdes ; Yin, Xiaofei ; Greiner, Martina ; Griesshaber, Erika ; Tsige Aga, Meaza ; Ziegler, Andreas ; Schmahl, Wolfgang W. | Schweizerbart | 2019Calcite growing in biomimetic hydrogel environments incorporates the gel during its growth. The amount of occluded gel within the composite is mainly determined by the interaction between gel strength and crystallization pressure, with the latte[...]texto impreso
Yin, Xiaofei ; Griesshaber, Erika ; Fernández-Díaz, Lourdes ; Ziegler, Andreas ; García-García, F. Javier ; Schmahl, Wolfgang W. | American Chemical Society | 2019Hydrogels are adequate systems for investigating biological structural material formation as they mimic a wide range of biomineralization conditions. Previous studies focused on the influence of single-component gel systems in the growth of calc[...]texto impreso
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This paper empirically examines the determinants of the inclusion of European firms in the Dow Jones Sustainability World Index and the Dow Jones Stoxx Sustainability Index. While a restricted econometric analysis implies a positive effect of co[...]
