2005
DOI: 10.1590/s0366-69132005000300008
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Efeito do glutaraldeído na adsorção de extrato proteico da Ipomoea Batatas (L) Lam na superficie de uma zeólita analcima

Abstract: ResumoA zeólita analcime (Na 16 Al 16 Si 32 O 96 .nH 2 O) foi submetida a ataque ácido com HCl 0,25 mol.L -1 , seguido da funcionalização com glutaraldeído, foi imersa em extrato protéico obtido da polpa da batata-doce (Ipomoea Batatas (L) Lam), que tem em sua composição a enzima polifenol oxidase (PFO). As amostras foram submetidas a procedimentos de caracterização por microscopia eletrônica de varredura, espectroscopia na região do infravermelho com transformada de Fourier e termogravimetria. Palavras-chave:… Show more

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“…This value is similar to that attributed to the carbonyl group (1720-1740 cm À1 ) 43]. GA adsorbed onto analcime zeolite, used to immobilize a proteic extract of sweet potato pulp, also showed a band characteristic of C@O at around 1575 cm À1 [45]. The shifting is related to the direct interaction of GA with the zeolite surface.…”
Section: Infrared Spectroscopysupporting
confidence: 72%
“…This value is similar to that attributed to the carbonyl group (1720-1740 cm À1 ) 43]. GA adsorbed onto analcime zeolite, used to immobilize a proteic extract of sweet potato pulp, also showed a band characteristic of C@O at around 1575 cm À1 [45]. The shifting is related to the direct interaction of GA with the zeolite surface.…”
Section: Infrared Spectroscopysupporting
confidence: 72%