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https://doi.org/10.5562/cca2197

The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media

Branka Njegić-Džakula ; Laboratory for Precipitation Processes, Ruđer Bošković Institute, P. O. Box 180, HR-10002 Zagreb, Croatia
Michela Reggi ; Dipartimento di Chimica “G. Ciamician”, Università di Bologna, via Selmi 2, I-40126 Bologna, Italy
Giuseppe Falini ; Dipartimento di Chimica “G. Ciamician”, Università di Bologna, via Selmi 2, I-40126 Bologna, Italy
Igor Weber ; Laboratory for Electron Microscopy, Ruđer Bošković Institute, P. O. Box 180, HR-10002 Zagreb, Croatia
Ljerka Brečević ; Laboratory for Precipitation Processes, Ruđer Bošković Institute, P. O. Box 180, HR-10002 Zagreb, Croatia
Damir Kralj ; Laboratory for Precipitation Processes, Ruđer Bošković Institute, P. O. Box 180, HR-10002 Zagreb, Croatia

Puni tekst: engleski, pdf (2 MB) str. 39-47 preuzimanja: 785* citiraj
APA 6th Edition
Njegić-Džakula, B., Reggi, M., Falini, G., Weber, I., Brečević, Lj. i Kralj, D. (2013). The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media. Croatica Chemica Acta, 86 (1), 39-47. https://doi.org/10.5562/cca2197
MLA 8th Edition
Njegić-Džakula, Branka, et al. "The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media." Croatica Chemica Acta, vol. 86, br. 1, 2013, str. 39-47. https://doi.org/10.5562/cca2197. Citirano 14.11.2019.
Chicago 17th Edition
Njegić-Džakula, Branka, Michela Reggi, Giuseppe Falini, Igor Weber, Ljerka Brečević i Damir Kralj. "The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media." Croatica Chemica Acta 86, br. 1 (2013): 39-47. https://doi.org/10.5562/cca2197
Harvard
Njegić-Džakula, B., et al. (2013). 'The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media', Croatica Chemica Acta, 86(1), str. 39-47. https://doi.org/10.5562/cca2197
Vancouver
Njegić-Džakula B, Reggi M, Falini G, Weber I, Brečević Lj, Kralj D. The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media. Croatica Chemica Acta [Internet]. 2013 [pristupljeno 14.11.2019.];86(1):39-47. https://doi.org/10.5562/cca2197
IEEE
B. Njegić-Džakula, M. Reggi, G. Falini, I. Weber, Lj. Brečević i D. Kralj, "The Influence of a Protein Fragment Extracted from Abalone Shell Green Layer on the Precipitation of Calcium Carbonate Polymorphs in Aqueous Media", Croatica Chemica Acta, vol.86, br. 1, str. 39-47, 2013. [Online]. https://doi.org/10.5562/cca2197

Sažetak
Many living organisms form mineral phases through biologically controlled processes, known as
biomineralization. Thus created materials are composites of both, mineral and organic components. The
shell of the gastropod mollusc red abalone (Haliotis rufescens) consists of calcite and aragonite layers,
each of them containing characteristic biopolymers responsible for biomineralization. In this work, the
effect of interstitial green sheet polypeptide, GP, extracted from the green layer of the mollusc red abalone
shell, on the process of spontaneous precipitation of calcium carbonate polymorphs, was investigated.
Three precipitation systems, in which the initial mineralogical composition of the precipitate was
different, have been studied. Thus, in system (1) calcite appeared, in system (2) a mixture of calcite and
vaterite was found, while in system (3), ASW, only aragonite precipitated. However, the precipitation
kinetic measurements, X-ray diffraction, FT-IR spectroscopy, and light and scanning electron microscopy
indicated that the addition of GP in the model systems caused the inhibition of precipitation and change of
morphology of crystals as a consequence of GP adsorption on the crystal surfaces and its entrapment into
the mineral structure. (doi: 10.5562/cca2197)

Ključne riječi
calcium carbonate; calcite; aragonite; vaterite; green sheet polypeptide (GP)

Hrčak ID: 101908

URI
https://hrcak.srce.hr/101908

Posjeta: 1.086 *