R
Rafael Firmani Perna
Researcher at Universidade Federal de Alfenas
Publications - 16
Citations - 193
Rafael Firmani Perna is an academic researcher from Universidade Federal de Alfenas. The author has contributed to research in topics: Aspergillus oryzae & Chemistry. The author has an hindex of 4, co-authored 13 publications receiving 116 citations.
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Journal ArticleDOI
Trends on enzyme immobilization researches based on bibliometric analysis
Maria Carolina Pereira Gonçalves,Theo Guenter Kieckbusch,Rafael Firmani Perna,Jaqueline Tomiê Fujimoto,Sergio Andres Villalba Morales,João Paulo Romanelli +5 more
TL;DR: In this paper, a bibliometric analysis of the global scientific production on enzyme immobilization researches was developed using Web of Science© database, and the results indicated that the countries with the highest number of publications were China and United States.
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Synthesis and characterization of fructosyltransferase from Aspergillus oryzae ipt-301 for high fructooligosaccharides production
Josivan S. Cunha,Cristiane Angélica Ottoni,Sergio Andres Villalba Morales,Elda Sabino da Silva,Alfredo Eduardo Maiorano,Rafael Firmani Perna +5 more
TL;DR: The authors gratefully acknowledge The State of Minas Gerais Research Foundation for providing financial support and the Institute for Technological Research (IPT/SP)/Programa Novos Talentos, through an individual research grant attributed to Cristiane Angelica Ottoni.
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Effects of Triton X-100 and PEG on the Catalytic Properties and Thermal Stability of Lipase from Candida Rugosa Free and Immobilized on Glyoxyl-Agarose
Rafael Firmani Perna,Poliana C Tiosso,Letícia M. Sgobi,Angélica Marquetotti Salcedo Vieira,Marcelo Fernandes Vieira,Paulo Waldir Tardioli,Cleide Mara Faria Soares,Gisella Maria Zanin +7 more
TL;DR: Using a single modification of the original protocol, the CRL poorly stable under alkaline conditions could be immobilized on glyoxyl-agarose in its active conformation and showed promising results for Candida rugosa lipase.
Journal ArticleDOI
Strategies to improve the environmental efficiency and the profitability of sugarcane mills
Felipe de Oliveira Gonçalves,Rafael Firmani Perna,Emília Savioli Lopes,Rubens Maciel,Laura Plazas Tovar,Melina Savioli Lopes +5 more
TL;DR: In this article, the potential of the CBio market and also suggestions to optimize ethanol and to increase ethanol production, reduce costs and improve environmental efficiency are discussed, as well as a new product, the decarbonization credit (CBio).
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Entrapment of glutaraldehyde-crosslinked cells from Aspergillus oryzae IPT-301 in calcium alginate for high transfructosylation activity
Maria Carolina Pereira Gonçalves,Sergio Andres Villalba Morales,Elda Sabino da Silva,Alfredo Eduardo Maiorano,Rafael Firmani Perna,Theo Guenter Kieckbusch,Theo Guenter Kieckbusch +6 more