A. L. Santos

Publications9
h-index4
Citations58
Highly Influential Citations1
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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. Experimental… Expand
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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/c… Expand
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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 indicates… Expand
  • 13
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, os… Expand
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 e… Expand
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 anion… Expand
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 voltammetric… Expand
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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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