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Spedalieri, C.; Sicard, C.; Perullini, M.; Brayner, R.; Coradin, T.; Livage, J.; Bilmes, S.A.; Jobbágy, M. "Silica@proton-alginate microreactors: A versatile platform for cell encapsulation" (2015) Journal of Materials Chemistry B. 3(16):3189-3194
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Abstract:

As an alternative approach to the well known Ca(II)-alginate encapsulation process within silica hydrogels, proton-driven alginate gelation was investigated in order to establish its capacity as a culture carrier, both isolated and embedded in an inorganic matrix. Control over the velocity of the proton-gelation front allows the formation of a hydrogel shell while the core remains liquid, allowing bacteria and microalgae to survive the strongly acidic encapsulation process. Once inside the inorganic host, synthesized by a sol-gel process, the capsules spontaneously redissolve without the aid of external complexing agents. The entrapped cells survive the two-step process to a significant extent; culture's growth restores the initial cell count in less than two weeks. Biosynthesis of Au nanoparticles mediated by the entrapped microalgae illustrates the preservation of the biosynthetic abilities supported by this platform. © The Royal Society of Chemistry 2015.

Registro:

Documento: Artículo
Título:Silica@proton-alginate microreactors: A versatile platform for cell encapsulation
Autor:Spedalieri, C.; Sicard, C.; Perullini, M.; Brayner, R.; Coradin, T.; Livage, J.; Bilmes, S.A.; Jobbágy, M.
Filiación:Laboratorio de Superficies y Materiales Funcionales INQUIMAE-DQIAQF, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, C1428EHA, Argentina
UPMC Univ. Paris 06, Laboratoire de Chimie de la Matière Condensée de Paris, Collège de France, 11 Place Marcelin Berthelot, Paris, F-75005, France
Univ. Paris Diderot, Interfaces, Traitements, Organisation et Dynamique des Systèmes (ITODYS), CNRS, 15 Rue Jean-Antoine de Baïf, Paris Cedex 13, F-75205, France
Palabras clave:Algae; Alginate; Biochemistry; Biosynthesis; Encapsulation; Gelation; Gold; Hydrogels; Microorganisms; Protons; Silica; Alginate encapsulation; Au nanoparticle; Cell encapsulations; Complexing agents; Encapsulation process; Inorganic matrices; Micro reactor; Two-step process; Sol-gel process
Año:2015
Volumen:3
Número:16
Página de inicio:3189
Página de fin:3194
DOI: http://dx.doi.org/10.1039/c4tb02020k
Título revista:Journal of Materials Chemistry B
Título revista abreviado:J. Mater. Chem. B
ISSN:20507518
CODEN:JMCBD
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20507518_v3_n16_p3189_Spedalieri

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Citas:

---------- APA ----------
Spedalieri, C., Sicard, C., Perullini, M., Brayner, R., Coradin, T., Livage, J., Bilmes, S.A.,..., Jobbágy, M. (2015) . Silica@proton-alginate microreactors: A versatile platform for cell encapsulation. Journal of Materials Chemistry B, 3(16), 3189-3194.
http://dx.doi.org/10.1039/c4tb02020k
---------- CHICAGO ----------
Spedalieri, C., Sicard, C., Perullini, M., Brayner, R., Coradin, T., Livage, J., et al. "Silica@proton-alginate microreactors: A versatile platform for cell encapsulation" . Journal of Materials Chemistry B 3, no. 16 (2015) : 3189-3194.
http://dx.doi.org/10.1039/c4tb02020k
---------- MLA ----------
Spedalieri, C., Sicard, C., Perullini, M., Brayner, R., Coradin, T., Livage, J., et al. "Silica@proton-alginate microreactors: A versatile platform for cell encapsulation" . Journal of Materials Chemistry B, vol. 3, no. 16, 2015, pp. 3189-3194.
http://dx.doi.org/10.1039/c4tb02020k
---------- VANCOUVER ----------
Spedalieri, C., Sicard, C., Perullini, M., Brayner, R., Coradin, T., Livage, J., et al. Silica@proton-alginate microreactors: A versatile platform for cell encapsulation. J. Mater. Chem. B. 2015;3(16):3189-3194.
http://dx.doi.org/10.1039/c4tb02020k