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HomeMaterials Science ForumMaterials Science Forum Vol. 964Preliminary Study of Alginates Extracted from...

Preliminary Study of Alginates Extracted from Brown Algae (Sargassum sp.) Available in Madura Island as Composite Based Hydrogel Materials

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Abstract:

Utilization of brown algae especially in Madura, where it’s close to Surabaya, only limited for food. This become a reference for developing and increasing the potential of this algae by extracting one of the ingredients, namely alginate. This paper deals with the characterization of sodium alginate extracted from sargassum sp. using modified-purified calcium routes. The extracted sodium alginate will be further used as composite hydrogel materials and compared with commercial sodium alginate. Hereafter, the synthesized composite is expected to be bio-ink for 3d printer. Chemical composition analysis were analyzed using X-Ray Fluorosense (XRF) followed by Fourier-transform infrared spectroscopy (FTIR) analysis to identify the functional group of composite and X-Ray Diffraction (XRD). Furthermore, viscosity bath is performed to compare the viscosity of extracted and commercial one. The result shows that modified-purified calcium routes in the extraction process of sodium alginate is desirable for improving their properties. Interestingly enough, with the goal of using it as bio-ink in 3d printed fabrication, the synthesized composite shows viscosity, 300 cSt, which meets the criteria for bio-ink in 3d printer.

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Seminar on Materials Science and Technology

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Periodical:

Materials Science Forum (Volume 964)

Pages:

240-245

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.964.240

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Online since:

July 2019

Authors:

Amaliya Rasyida*, Thalyta Rizkha Pradipta, Sigit Tri Wicaksono, Vania Mitha Pratiwi, Yeny Widya Rakhmawati

Keywords:

Alginate, Calcium Routes, Composite, Extraction, Hydrogel

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© 2019 Trans Tech Publications Ltd. All Rights Reserved

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