2003
DOI: 10.1590/s0100-40422003000600010
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Efeito do polietilenoglicol e da albumina na imobilização de lipase microbiana e na catálise em meio orgânico

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Cited by 11 publications
(10 citation statements)
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“…Other authors (Soares et al 2003b;Stark and Holmberg 1989) studied the effect of introducing a very long hydrophilic spacer arm, PEG 1500, on the carrier surface and they observed that it had an important effect on the biocatalyst activity. Soares et al (2003b) attributed their results to the ability of PEG in minimizing hydrophobic and electrostatic interactions between enzyme and support, which may lead to activity enhancement.…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…Other authors (Soares et al 2003b;Stark and Holmberg 1989) studied the effect of introducing a very long hydrophilic spacer arm, PEG 1500, on the carrier surface and they observed that it had an important effect on the biocatalyst activity. Soares et al (2003b) attributed their results to the ability of PEG in minimizing hydrophobic and electrostatic interactions between enzyme and support, which may lead to activity enhancement.…”
Section: Resultsmentioning
confidence: 99%
“…Soares et al (2003b) attributed their results to the ability of PEG in minimizing hydrophobic and electrostatic interactions between enzyme and support, which may lead to activity enhancement. Furthermore, PEG is soluble in heptane, solvent used when measuring esterification activity, which may have favoured substrate partition to the solid phase, reducing diffusion resistances of the immobilized enzyme (Stark and Holmberg 1989).…”
Section: Resultsmentioning
confidence: 99%
“…For Padilha, Ferreira, Castiglioni, Alegre, and Tambourgi (2011), using Burkholderia cepacia lipase the activity showed maximum value (1.85 U mL The pH and temperature optimization minimize the enzymes' activity loss since they avoid conditions that would favor their inactivation (Soares, Santana, Zanin, & Castro, 2003, Padilha et al, 2011. The immobilization yield calculations that evaluate the process efficiency were conducted at an optimized condition.…”
Section: Optimization Of Hydrolytic Process: Effect Of Ph and Temperamentioning
confidence: 99%
“…For the Candida rugosa immobilized in silica (CPS) Soares et al (2003) obtained an immobilization yield of 59.6%. For Liu and Chang (2008), the yield was 42.6% in K-carrageenan.…”
Section: Efficiency Of Immobilizationmentioning
confidence: 99%
“…[6][7][8] Tais vantagens ficam claras especialmente quando são empregados biocatalisadores na forma imobilizada, a qual é uma técnica amplamente reportada pela literatura. 9,10 A biocatálise foi reconhecida na década de 1990 como uma área nova na síntese de polímeros de precisão. 11 Dessa forma, o objetivo desse artigo é apresentar um panorama das principais enzimas e condições de processo que podem ser utilizadas para a síntese e a modificação de polímeros de interesse industrial.…”
Section: Introductionunclassified