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Unstructured model proposal for the microbial oxidation of d-sorbitol to l-sorbose
Abstract The bioxidation of d -sorbitol to l -sorbose is one of the key steps, performed by a bacterial strain of Gluconobacter , in the Reichstein chemical process to produce vitamin C. ExperimentalExpand
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Immunomodulatory effect of Achyrocline satureioides (LAM.) D.C. aqueous extracts
The immunomodulatory activity of aqueous extract from Achyrocline satureioides, prepared using heating, was investigated with a mitogen‐induced cell proliferation assay and IL‐2 secretion in BALB/cExpand
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The effect of ultra-low proton concentration on the electrocatalytic reduction of nitrate over platinum
Abstract The electrocatalytic reduction of NO 3 - (aq) over platinum has been investigated in sulfuric acid solutions with proton concentrations between 1 mM and 50 mM. Cyclic voltammetry indicatesExpand
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Processos erosivos urbanos e a qualidade dos corpos hídricos em Buriticupu, Maranhão
A erosao do solo e a poluicao hidrica sao graves problemas ambientais devem ser objeto de preocupacao da sociedade como um todo. Em areas propensas a esses eventos, como no caso de Buriticupu-MA, osExpand
Governança corporativa e o desempenho das empresas de construção civil listadas na BM&FBovespa
O tema Governanca Corporativa tem sido objeto de constantes pesquisas no meio academico e profissional. A GC pode ser definida como um sistema pelo qual as organizacoes sao dirigidas, monitoradas eExpand
ANÁLISE DA PRODUÇÃO AGRÍCOLA NO MUNICÍPIO DE BACABAL, MA
A producao agricola e certamente uma das variaveis mais importantes para o desenvolvimento economico, social e ambiental de um territorio. Sao diversos os fatores que impulsionam as areas agricolas,Expand
Reprint of: Reply to the “Comment on the paper ‘The role of HBF4 in electro-catalysis: Arsenic contamination and anion adsorption’ by A.L. Santos, R. Nagao, C.P. Oliveira, R.B. de Lima, H. Varela [J.
Abstract This is a Reply to recent comment by M. Schell to our previously published article: Reply to the “Comment on the paper ‘The role of HBF4 in electro-catalysis: arsenic contamination and anionExpand
Nanogravimetric study of the complex voltammetric response in the electro-oxidation of methanol on platinum
Instead of a time-invariant voltammetric profile, many electrochemical systems display a cycledependent current–potential response. This phenomenon has been referred to as complex voltammetricExpand
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The role of HBF4 in electro-catalysis: Arsenic contamination and anion adsorption
We present in this work a comprehensive investigation of the role played by dissolved tetrafluoroboric acid on the electrochemical response of a polycrystalline platinum electrode in acidic media.Expand
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