Leonardo José de Araújo Prado Ribeiro

CRISE DEMOCRÁTICA NO SÉCULO XXI:

Waleska Miguel Batista, Leonardo José de Araújo Prado Ribeiro

The goal of this paper is to investigate the existence of a democratic crisis in the 21st Century, based on a bibliographical revision. In order to that, the theoretical reference it the recent work of Adam Przeworski, that defined the limits between …

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Superação da colonialidade pela forma jurídico constitucional na América Latina?

Leonardo José de Araújo Prado Ribeiro

Pretende-se investigar a concretização dos objetivos de decolonialidade trazidos pelo Novo Constitucionalismo Latino-Americano. Empreende-se uma pesquisa histórico-bibliográfica, com revisão de literatura para a compreensão de características da teoria, assim como de pensadores da teoria da práxis para uma crítica à aplicação da …

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Campesinato e capitalismo na América Latina

Leonardo José de Araújo Prado Ribeiro

This paper aims to research Latin American peasantry as a central element in understanding the relationship between capitalism and social organization in the region. Contrary to evolutionary perspectives from Europe, the peasantry is portrayed as a complex and indispensable structure within late …

Identidade negra: preto e branco no panafricanismo pelas lentes do Haiti

Leonardo José de Araújo Prado Ribeiro, Thiago Bernardo Silva

obra escrita por Frantz Rousseau Déus representa uma conclusão bemacabada de um extenso trabalho de sociologia que envolve, diretamente, dois países (Haiti, país de origem do autor, e Brasil, local onde realizada a pesquisa), mas que tem a capacidade de debater os …

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Ethanol production from carrot by-products.

Flávia Regina Passos, Franciele Quintino Mendes, Kátia Rodrigues de Oliveira Rocha, Leonardo José de Araújo Prado Ribeiro et autres

Prevalence of zeranol, taleranol andFusariumspp. toxins in urine: implications for the control of zeranol abuse in the European Union

François Launay, Leonardo José de Araújo Prado Ribeiro, Paula Aryane Brito Alves, V. Vozikis et autres

There is currently little information concerning the prevalence of zeranol and taleranol in animal urine following metabolism of the naturally occurring Fusarium spp. toxins. An epidemiological study is described which involves four European Union control laboratories in which 8008 urine samples were …

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Interlaboratory ring test of time-resolved fluoroimmunoassays for zeranol and α-zearalenol and comparison with zeranol test kits

K Cooper, Leonardo José de Araújo Prado Ribeiro, Paula Aryane Brito Alves, V. Vozikis et autres

Many zeranol immunoassay test kits cross-react with toxins formed by naturally occurring Fusarium spp. fungi, leading to false-positive screening results. This paper describes the evaluation and application of recently published, dry reagent time-resolved fluoroimmunoassays (TR-FIA) for zeranol and the toxin alpha-zearalenol. A …

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