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Akademický článek

CONSIDERAZIONI SUI METODI DI HOLMES E DI JEFFREYS PER LA DETERMINAZIONE DELL'ETÀ DELLA CROSTA TERRESTRE

Autor: F. S. GAETA, G. IMBÒ

Publikováno v: Annals of Geophysics, Vol 6, Iss 3, Pp 417-425 (1953)

Externí odkaz: https://doaj.org/article/2224fe0e71b5444b8dff8e425458d378

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Urease immobilization on chemically grafted nylon membranesPart 2. Non-isothermal characterization

Autor: H. El Sherif, S. Di Martino, E. Zito, S. Rossi, P. Canciglia, F. S. Gaeta, D. G. Mita, DE MAIO, ANNA

The behaviour of an urease loaded membrane, obtained by chemically grafting butyl methacrylate (BMA) on a nylon sheet, has been studied under non-isothermal conditions. Hexamethylenediamine (HMDA) and glutaraldehyde were also used as spacer and bindi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3730::44d734cabbaaaabcb7e0b307669cded5
http://hdl.handle.net/11588/507234

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Modulation of immobilized enzyme activity by altering the hydrophobicity of nylon-grafted membranes. Part 2: Non-isothermal conditions

Autor: M. M. El Masry, S. Di Martino, U. Bencivenga, S. Rossi, B. A. Manzo, N. Pagliuca, P. Canciglia, M. Portaccio, F. S. Gaeta, D. G. Mita, DE MAIO, ANNA

Lactose hydrolysis by β-galactosidase immobilized on two nylonmembranes, differently grafted, has been studied in a bioreactor operating under isothermal and non-isothermalconditions. One membrane (M1) was obtained by chemical grafting of methylmeth

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3730::db61322405b6ad6bf3f08e02c0e60b01
http://hdl.handle.net/11588/507230

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Isothermal and non-isothermal lactose hydrolysis by means of beta-galactosidase immobilized on a single double-grafted teflon membrane

Autor: M. S. MOHY ELDIN, A. DE MAIO, S. DI MARTINO, DIANO, Nadia, V. GRANO, N. PAGLIUCA, S. ROSSI, U. BENCIVENGA, F. S. GAETA, D. G. MITA

A new hydrophobic and catalytic membrane was prepared by immobilizing β-galactosidase on a polytetrafluoroethylene (PTFE) membrane, double grafted by means of γ-radiation. Methacrylic acid (MAA) and 2-hydroxyethyl methacrylate (HEMA) were used as m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6959ca9f9a7444004272add4e745be2f
http://hdl.handle.net/11591/226751

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The process of thermodialysis and the efficiency increase ofbioreactors operating under non-isothermal conditions

Autor: N. Diano, M. M. El Masry, M. Portaccio, M. Santucci, V. Grano, D. Castagnolo, U. Bencivenga, F. S. Gaeta, D. G. Mita, DE MAIO, ANNA

When a catalytic membrane is employed in a non-isothermal bioreactor its activity increases as a direct function of the applied temperature gradient and decreases when both average temperature or substrate concentration increase. To know the physical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3730::ddfd1ad3d5b76ae69d332e66885058d0
http://hdl.handle.net/11588/509070

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Modulation of immobilized enzyme activity by altering the hydrophobicity of nylon-grafted membranes Part 1. Isothermal conditions

Autor: M. M. El Masry, S. Di Martino, N. Diano, U. Bencivenga, S. Rossi, V. Grano, P. Canciglia M. Portaccio, F. S. Gaeta, D. G. Mita, DE MAIO, ANNA

The catalytic behaviour under isothermal conditions of two different membranes loaded with b-galactosidase was . investigated. One membrane M was constituted by a nylon sheet grafted with methylmethacrylate by means of chemical 1 . . grafting. The ot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3730::eed32715e26e5d505dd13d307c7abf67
http://hdl.handle.net/11588/509067

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Immobilization of beta-galactosidase on nylon membranes grafted with diethylenglycol dimethacrylate (DGDA) by gamma-radiation: Effect of membrane pore size

Autor: M. S. Mohy Eldin, S. Di Martino, U. Bencivenga, S. Rossi, A. D'uva, F. S. Gaeta, D. G. Mita, DE MAIO, ANNA

A hydrophobic and catalyticmembrane has been obtained by grafting with γ-radiations a Teflonmembrane in presence of methylmethacrylate solution and by immobilizing on it, after treatment with glutaraldehyde, the β-Galactosidase enzyme. When employe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3730::f85712986b5a7655d8ebbc13361a66a8
http://hdl.handle.net/11588/507225

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