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Sökning: onr:"swepub:oai:DiVA.org:su-58273" > Immobilization of l...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00002884naa a2200373 4500
001oai:DiVA.org:su-58273
003SwePub
008110530s2008 | |||||||||||000 ||eng|
024a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-582732 URI
024a https://doi.org/10.1016/j.micromeso.2008.01.0052 DOI
040 a (SwePub)su
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
100a Serra, Elias4 aut
2451 0a Immobilization of lipase in ordered mesoporous materials :b Effect of textural and structural parameters
264 1b Elsevier BV,c 2008
338 a print2 rdacarrier
500 a authorCount :5
520 a A systematic study dealing with the influence of several parameters oil the immobilization of lipase in ordered mesoporous materials (OMM) is presented here. In a first step, a series of OMM have been synthesized trying to cover the most relevant structures. The aim is to get variation in the key properties susceptible of influencing their behavior as lipase supports, such as the structure (cubic or hexagonal), the nature of the pores (channel-like or cage-like), the connectivity of the porous network and the pore size. Also, by following the co-condensation technique, 5-10%-methylated analogues of the pure-silica materials have been prepared. All the samples have been fully characterized with XRD, TEM (including 3D reconstruction), SEM, TGA and N-2 isotherms, and the incorporation of the organic function has been demonstrated by Si-29 NMR. All of them have been tested as supports in the immobilization of Candida antarctica Lipase B (CaLB) and the leaching of the enzyme in aqueous media evaluated. With such a systematic approach, valuable information on the influence of the textural properties and the nature of the porous network oil the yields of immobilization and enzyme desorption have been stated. Very interestingly, leaching of the enzyme can be diminished until it practically disappears without being covalently bonded to the wall, which places the ordered mesoporous materials at the starting point of a new scenario in enzyme immobilization on preexisting supports. 
653 a ordered mesoporous materials
653 a lipase
653 a enzyme immobilization
653 a NATURAL SCIENCES
653 a NATURVETENSKAP
700a Mayoral, Alvarou Stockholms universitet4 aut
700a Sakamoto, Yasuhirou Stockholms universitet4 aut
700a Blanco, Rosa M.4 aut
700a Diaz, Isabel4 aut
710a Stockholms universitet4 org
773t Microporous and Mesoporous Materialsd : Elsevier BVg 114:03-jan, s. 201-213q 114:03-jan<201-213x 1387-1811x 1873-3093
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-58273
8564 8u https://doi.org/10.1016/j.micromeso.2008.01.005

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