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Open AccessArticle

Customizing Properties of β-Chitin in Squid Pen (Gladius) by Chemical Treatments

1
Department of Chemistry "Giacomo Ciamician", Alma Mater Studiorum, University of Bologna, via Selmi 2, 40126 Bologna, Italy
2
National Research Council (CNR), Institute for Nanostructured Materials (ISMN), Via P. Gobetti 101, 40129 Bologna, Italy
3
Centre for Regenerative Medicine "Stefano Ferrari", University of Modena and Reggio Emilia, Via G. Gottardi, 100, 41125 Modena, Italy
4
Department of Life Sciences, University of Modena and Reggio Emilia, Via Campi 183, 41125 Modena, Italy
*
Authors to whom correspondence should be addressed.
Mar. Drugs 2014, 12(12), 5979-5992; https://doi.org/10.3390/md12125979
Received: 18 September 2014 / Revised: 3 December 2014 / Accepted: 4 December 2014 / Published: 15 December 2014
(This article belongs to the Special Issue Marine Biomaterials)
The squid pen (gladius) from the Loligo vulgaris was used for preparation of β-chitin materials characterized by different chemical, micro- and nano-structural properties that preserved, almost completely the macrostructural and the mechanical ones. The β-chitin materials obtained by alkaline treatment showed porosity, wettability and swelling that are a function of the duration of the treatment. Microscopic, spectroscopic and synchrotron X-ray diffraction techniques showed that the chemical environment of the N-acetyl groups of the β-chitin chains changes after the thermal alkaline treatment. As a consequence, the crystalline packing of the β-chitin is modified, due to the intercalation of water molecules between β-chitin sheets. Potential applications of these β-chitin materials range from the nanotechnology to the regenerative medicine. The use of gladii, which are waste products of the fishing industry, has also important environmental implications. View Full-Text
Keywords: β-chitin; hierarchical structure; squid pen; deacetylation; mechanical properties; wettability; porosity β-chitin; hierarchical structure; squid pen; deacetylation; mechanical properties; wettability; porosity
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MDPI and ACS Style

Ianiro, A.; Giosia, M.D.; Fermani, S.; Samorì, C.; Barbalinardo, M.; Valle, F.; Pellegrini, G.; Biscarini, F.; Zerbetto, F.; Calvaresi, M.; Falini, G. Customizing Properties of β-Chitin in Squid Pen (Gladius) by Chemical Treatments. Mar. Drugs 2014, 12, 5979-5992. https://doi.org/10.3390/md12125979

AMA Style

Ianiro A, Giosia MD, Fermani S, Samorì C, Barbalinardo M, Valle F, Pellegrini G, Biscarini F, Zerbetto F, Calvaresi M, Falini G. Customizing Properties of β-Chitin in Squid Pen (Gladius) by Chemical Treatments. Marine Drugs. 2014; 12(12):5979-5992. https://doi.org/10.3390/md12125979

Chicago/Turabian Style

Ianiro, Alessandro; Giosia, Matteo D.; Fermani, Simona; Samorì, Chiara; Barbalinardo, Marianna; Valle, Francesco; Pellegrini, Graziella; Biscarini, Fabio; Zerbetto, Francesco; Calvaresi, Matteo; Falini, Giuseppe. 2014. "Customizing Properties of β-Chitin in Squid Pen (Gladius) by Chemical Treatments" Mar. Drugs 12, no. 12: 5979-5992. https://doi.org/10.3390/md12125979

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