Search Results - "Piovan, Leandro"

Immobilization of Pseudomonas cepacia lipase on layered double hydroxide of Zn/Al-Cl for kinetic resolution of rac-1-phenylethanol by Silva Dias, Glauco, Bandeira, Pamela Taisline, Jaerger, Silvia, Piovan, Leandro, Mitchell, David Alexander, Wypych, Fernando, Krieger, Nadia

“…[Display omitted] •Pseudomonas cepacia lipase was immobilized onto Zn/Al-Cl LDH with 96% immobilization efficiency.•Hydrolytic activity in organic medium was…”
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Immobilization and characterization of a new regioselective and enantioselective lipase obtained from a metagenomic library by Alnoch, Robson Carlos, Martini, Viviane Paula, Glogauer, Arnaldo, Costa, Allen Carolina dos Santos, Piovan, Leandro, Muller-Santos, Marcelo, de Souza, Emanuel Maltempi, de Oliveira Pedrosa, Fábio, Mitchell, David Alexander, Krieger, Nadia

“…In previous work, a new lipase and its cognate foldase were identified and isolated from a metagenomic library constructed from soil samples contaminated with…”
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Improving the enantioselective bioreduction of aromatic ketones mediated by Aspergillus terreus and Rhizopus oryzae: the role of glycerol as a co-solvent by Andrade, Leandro H., Piovan, Leandro, Pasquini, Mônica D.

“…The improvement of the enzymatic performance of Aspergillus terreus and Rhizopus oryzae in enantioselective bioreductions by using glycerol as a co-solvent has…”
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Brazilian contributions to alcohol dehydrogenases-catalyzed reactions throughout the 21st century by de Oliveira Gomes, Jullyane da Silva, da Silva, Maria Eduarda Ramos, Reis, Joel S., Piovan, Leandro, Thomas, Juliana Christina

“…[Display omitted] •ADH-catalyzed reactions are widely employed to achieve optically active compounds.•Brazil was responsible for almost 3% of the production…”
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Enzymatic kinetic resolution of aliphatic sec-alcohols by LipG9, a metagenomic lipase by Bandeira, Pamela T., Alnoch, Robson C., de Oliveira, Alfredo R.M., de Souza, Emanuel M., de O. Pedrosa, Fábio, Krieger, Nadia, Piovan, Leandro

“…[Display omitted] •Metagenomics is a useful technique for finding new biocatalysts.•LipG9 was successful employed in enzymatic kinetic resolution of aliphatic…”
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Characterization of an immobilized recombinant lipase from Rhizopus oryzae: Synthesis of ethyl-oleate by Dutra Madalozzo, Aline, Sanvido Muniz, Lídia, Baron, Alessandra M., Piovan, Leandro, Alexander Mitchell, David, Krieger, Nadia

“…In recent years there has been a surge of interest in using lipases to catalyze the synthesis of biodiesel, as the biocatalytic route has several advantages…”
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Enzymatic kinetic resolution of tert-butyl 2-(1-hydroxyethyl)phenylcarbamate, a key intermediate to chiral organoselenanes and organotelluranes by Piovan, Leandro, Pasquini, Monica D, Andrade, Leandro H

“…The enzymatic kinetic resolution of tert-butyl 2-(1-hydroxyethyl) phenylcarbamate via lipase-catalyzed transesterification reaction was studied. We…”
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Demethylation of N,N-Dimethylbenzenamine and N,N,3-Trimethylbenzenamine by Whole Cells of Aspergillus terreus by Leandro Helgueira Andrade, Iracema Helena Schoenlein-Crusius, João Valdir Comasseto, Juliana Alves Vale, Edna Kagohara, Leandro Piovan, André Luiz Meleiro Porto

“…N,N-dimethylbenzenamine and N,N,3-trimethylbenzenamine were N-demethylated through enzymatic reactions mediated by whole cells of Aspergillus terreus strains…”
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Smart Materials for Biocatalysis Regulation through Thermoresponsive Polymers by de Barros, Heloise R., Theisen, Maíra, Durigon, Maria Clara, Leite, Daiani C., Piovan, Leandro, Riegel‐Vidotti, Izabel C.

“…Abstract Temperature‐responsive biocatalytic hybrid materials offer several advantages, such as improved stability, enhanced catalytic efficiency, and…”
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Ovicidal activity of diaryl dichalcogenides and ivermectin on Fasciola hepatica: A novel candidate for a blending-based therapeutic strategy by Romero-Neto, Irineu, de Almeida, Thayany Magalhães, Zugman, Tay, Piovan, Leandro, Molento, Marcelo Beltrão

“…•All tested compounds presented a concentration-dependent activity on egg hatch.•LQ62 and LQ68 had superior ovicidal activity compared to LQ07 and…”
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Polyfunctionalized organoselenides: New synthetic approach from selenium-containing cyanohydrins and anti-melanoma activity by Clara da Silva Durigon, Maria, Renata Caitano Visnheski, Bruna, Braz Júnior, Odair, Christina Thomas, Juliana, Fogagnoli Simas, Fernanda, Piovan, Leandro

“…[Display omitted] •Selenium-containing cyanohydrin acetates were crucial intermediates in synthesizing polyfunctionalized selenides.•Se-containing diesters and…”
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Stereoselective Bioreduction of Telluro‐Acetophenones to Optically Active Hydroxy Tellurides by Bandeira, Pamela Taisline, Gotor‐Fernández, Vicente, Piovan, Leandro

“…Organotellurium compounds exhibit a broad range of useful applications in organic synthesis, materials science and medicinal chemistry fields. Despite their…”
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Fermented solids that contain lipases produced by Rhizopus microsporus have an S-enantiopreference in the resolution of secondary alcohols by Todo Bom, Maritza Araujo, Botton, Vanderleia, Altheia, Fernanda Marchesini, Thomas, Juliana Christina, Piovan, Leandro, Córdova, Jesús, Mitchell, David Alexander, Krieger, Nadia

“…•The fermented solid was used in the kinetic resolution of secondary alcohols.•The lipases in the fermented solid have anti-Kazlauskas enantiopreference.•The…”
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Straightforward microwave-assisted synthesis of organochalcogen amines by reductive amination by Dalmolin, Mara C., Bandeira, Pamela T., Ferri, Matheus S., de Oliveira, Alfredo R.M., Piovan, Leandro

“…Organoselenium and organotellurium amines have been shown to present a broad range of interesting properties for both synthetic and biological applications…”
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Cover Feature: Synthesis, Mechanism Elucidation and Biological Insights of Tellurium(IV)‐Containing Heterocycles (Chem. Eur. J. 58/2021) by Souza, João Pedro A., Menezes, Leociley R. A., Garcia, Francielle P., Scariot, Débora B., Bandeira, Pamela T., Bespalhok, Mateus B., Giese, Siddhartha O. K., Hughes, David L., Nakamura, Celso V., Barison, Andersson, Oliveira, Alfredo R. M., Campos, Renan B., Piovan, Leandro

“…Explaining the oxidation–cyclization mechanism of heterocycles containing Te−O bonds. The structures of halogenated Te‐containing heterocycles have been…”
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Surface interactions of gold nanorods and polysaccharides: From clusters to individual nanoparticles by de Barros, Heloise Ribeiro, Piovan, Leandro, Sassaki, Guilherme L., de Araujo Sabry, Diego, Mattoso, Ney, Nunes, Ábner Magalhães, Meneghetti, Mario R., Riegel-Vidotti, Izabel C.

“…[Display omitted] •Sulfated chitosan efficiently interact with the surface of CTAB coated AuNRs.•Sulfated chitosan produced well-dispersed individually wrapped…”
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Synthesis, Antioxidant Activity and Cytotoxicity of N-Functionalized Organotellurides by Bandeira, Pamela T., Dalmolin, Mara C., de Oliveira, Mariana M., Nunes, Karine C., Garcia, Francielle P., Nakamura, Celso V., de Oliveira, Alfredo R.M., Piovan, Leandro

“…[Display omitted] The use of antioxidants is the most effective means to protect the organism against cellular damage caused by oxidative stress. In this…”
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High-Throughput Preparation of Optically Active Cyanohydrins Mediated by Lipases by Thomas, Juliana Christina, Aggio, Bruno Bernardi, Marques de Oliveira, Alfredo Ricardo, Piovan, Leandro

“…Cyanohydrins are versatile compounds with high applicability in organic synthesis; they are used as starting materials for the synthesis of other chemical…”
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Optimization of biodiesel synthesis by esterification using a fermented solid produced by Rhizopus microsporus on sugarcane bagasse by Botton, Vanderleia, Piovan, Leandro, Meier, Henry França, Mitchell, David Alexander, Cordova, Jesús, Krieger, Nadia

“…A fermented solid containing lipases was produced by solid-state fermentation of Rhizopus microsporus on sugarcane bagasse enriched with urea, soybean oil, and…”
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Synthesis, Mechanism Elucidation and Biological Insights of Tellurium(IV)‐Containing Heterocycles by Souza, João Pedro A., Menezes, Leociley R. A., Garcia, Francielle P., Scariot, Débora B., Bandeira, Pamela T., Bespalhok, Mateus B., Giese, Siddhartha O. K., Hughes, David L., Nakamura, Celso V., Barison, Andersson, Oliveira, Alfredo R. M., Campos, Renan B., Piovan, Leandro

“…Inspired by the synthetic and biological potential of organotellurium substances, a series of five‐ and six‐membered ring organotelluranes containing a Te−O…”
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