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Maximizing the oil ...
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Fontes-Candia, CynthiaIATA-CSIC, Spain,CSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
(author)
Maximizing the oil content in polysaccharide-based emulsion gels for the development of tissue mimicking phantoms
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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Elsevier Ltd,2021
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Numbers
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LIBRIS-ID:oai:DiVA.org:ri-51924
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https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-51924URI
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https://doi.org/10.1016/j.carbpol.2020.117496DOI
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https://research.chalmers.se/publication/521757URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding details: Consejo Nacional de Ciencia y Tecnología, CONACYT; Funding details: European Cooperation in Science and Technology, COST; Funding text 1: Synchrotron experiments were performed at NCD beamline at ALBA Synchrotron with the collaboration of ALBA staff (2019103981 experiment). This work was financially supported by the grant RTI2018-094268-B-C22 ( MCIU/AEI/FEDER,UE ). Part of this work was supported by the COST Action ES1408 European network for algal-bioproducts (EUALGAE). Cynthia Fontes-Candia is recipient of a pre-doctoral grant from CONACYT (MEX/Ref. 306680 ).
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Formulations based on agar and κ-carrageenan were investigated for the production of emulsion gels applicable as tissue mimicking phantoms. The effects of the polysaccharide matrix, the oil content and the presence of surfactants on the micro-/nanostructure, rheology, and mechanical and dielectric properties were investigated. Results showed a high capacity of the agar to stabilize oil droplets, producing gels with smaller (10−21 μm) and more uniform oil droplets. The addition of surfactants allowed increasing the oil content and reduced the gel strength and stiffness down to 57 % and 34 %, respectively. The permittivity and conductivity of the gels were reduced by increasing the oil content, especially in the agar gels (18.8 and 0.05 S/m, respectively), producing materials with dielectric properties similar to those of low-water content tissues. These results evidence the suitability of these polysaccharides to design a variety of tissue mimicking phantoms with a broad range of mechanical and dielectric properties.
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Lopez-Sanchez, Patricia,1977RISE,Jordbruk och livsmedel,RISE Research Institutes of Sweden(Swepub:cth)patlop
(author)
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Ström, Anna,1976Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)annastr
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Martínez, JuanALBA Synchrotron Light Facility, Spain,El Sincrotrón ALBA
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Salvador, AnaIATA-CSIC, Spain,CSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
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Sanz, TeresaIATA-CSIC, Spain,CSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
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Dobsicek Trefna, Hana,1979Chalmers University of Technology, Sweden,Chalmers tekniska högskola(Swepub:cth)hanatre
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López-Rubio, AmparoIATA-CSIC, Spain,CSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
(author)
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Martínez-Sanz, MartaIATA-CSIC, Spain,CSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
(author)
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IATA-CSIC, SpainCSIC - Instituto de Agroquimica y Tecnologia de los Alimentos (IATA)
(creator_code:org_t)
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In:Carbohydrate Polymers: Elsevier Ltd2560144-86171879-1344
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