Results 11 to 20 of about 5,990 (137)

Methamphetamine Enantiomers: From Chemical Synthesis to Biological Fate. [PDF]

Chirality
Methamphetamine is an amphetamine‐type stimulant characterized by a single stereogenic center, resulting in two enantiomers, (R)‐(−)‐methamphetamine and (S)‐(+)‐methamphetamine, with distinct biological and pharmacological profiles. These forms exhibit differences in central nervous system activity, metabolism, excretion, and overall physiological ...
do Espírito Santo LP, de Carvalho RL, Sad JA, Dos Santos PHC, Domingues RS, de Azevedo Cardoso G, Enes KB, Goulart GAC, de Castro Lourenço das Neves M, de Fátima Â.   +9 more
europepmc   +2 more sources

Sistema de Inovação do Agronegócio Brasileiro? Dualismo estrutural-tecnológico e desafios para o desenvolvimento do país

Desenvolvimento em Questão, 2014
A investigação da questão da inovação na agricultura brasileira e sua transformação em agronegócios e desenvolvimento para o país é uma tarefa consideravelmente complexa.
Eduardo Gelinski Júnior, Armando Dalla Costa, Flávio de Oliveira Gonçalves, Rogério Allon Duenhas   +3 more
doaj   +1 more source

O Impacto dos fundos Criatec no crescimento e inovação de startups: uma análise baseada em estudo de eventos

Estudos Econômicos
As startups são empresas jovens, de pequeno porte e caracterizadas por serem intensivas em atividades de pesquisa e desenvolvimento (P&D), mas que, devido à natureza dessas atividades, sujeitas a assimetrias de informação e externalidades, tendem a ...
Ricardo Agostini Martini, Luciano Machado, Leandro Ortiz do Nascimento   +2 more
doaj   +1 more source

Desenvolvimento Econômico do Rio: 2021-2028

Coleção Estudos Cariocas
O desenvolvimento econômico do Rio, entre 2021 e 2028, deve ser analisado à luz de um contexto de grandes desafios e transformações. Após um período marcado pelos efeitos econômicos e sociais da pandemia, a cidade iniciou, em 2021, um processo de ...
Osmar Carneiro Guimarães de Lima, Marcel Grillo Balassiano, Carina de Castro Quirino, Márcio Menezes Lopes   +3 more
doaj   +1 more source

Political Connections, Subsidized Loans, and Capital Markets Development

Kyklos, EarlyView.
ABSTRACT This paper analyzes the relationship between political connections and firms' financing decisions in Brazil using large datasets on campaign contributions, loans from the Banco Nacional de Desenvolvimento Econômico e Social (BNDES), and financial variables from Capital IQ.
Eduardo Kazuo Kayo
wiley   +1 more source

Acceptance and resistance to e-learning adoption in developing countries: a literature review

Ensaio, 2022
This article aims at understanding how research on acceptance and resistance to e-learning in developing countries is undertaken. To do so, it performs a systematic literature review of articles from 2007 to 2019.
Eduardo Bizzo
doaj   +1 more source

Still standing: persistence traits capture belowground plant functions beyond resource exploration and acquisition

New Phytologist, EarlyView.
Conceptual linkages between traits and plant functioning leads to three dimensions of variation in the belowground functional space. Summary Belowground plant trait research has predominantly focused on trade‐offs in fine‐root traits via the root economics space (RES).
Shersingh Joseph Tumber‐Dávila, Karl Andraczek, Daniel C. Laughlin, Helge Bruelheide, Aline B. Bombo, Ying Fan, Alessandra Fidelis, Grégoire T. Freschet, Lena Hartmann, Justus Hennecke, Cody Coyotee Howard, Saheed O. Jimoh, Jitka Klimešová, Liesje Mommer, Tsumbedzo Ramalevha, Frances Siebert, Alexandra Weigelt, Joana Bergmann   +17 more
wiley   +1 more source

Indústrias centrais, desenvolvimento e políticas públicas

Coleção Meira Mattos, 2009
Em consonância com o momento de recuperação dos debates desenvolvimentistas  junto aos espaços decisórios no Brasil,  o presente artigo  defende a tese de que  se deve atentar para as indústrias centrais  no processo de  formulação de políticas ...
Rodrigo Loureiro Medeiros, Gustavo Antônio Galvão dos Santos, Bruno Galvão dos Santos, Eduardo Kaplan Barbosa   +3 more
doaj   +2 more sources

Addressing the Right to Food Through Food Expenditure Burdens: Distributional Evidence Among Low‐Income Farming Families in Brazil (2012–2023)

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT Household food expenditure continues to be a key factor in ensuring the realization of the Human Right to Adequate Food. Particularly in Brazil, access to food can be limited by economic constraints in vulnerable families, especially among farming families, who have been more vulnerable to food insecurity in recent years in the country.
Lucas de Almeida Moura, Flávia Mori Sarti, Carolina Ribeiro Xavier, Dirce Maria Lobo Marchioni   +3 more
wiley   +1 more source

Neoextractivism With Neocolonial Traits: Agribusiness Expansion and Territorial Conflict in Pontal do Paranapanema, Brazil

Bulletin of Latin American Research, Volume 45, Issue 4, October 2026.
ABSTRACT This article examines how the expansion of agribusiness and water infrastructure has reconfigured Pontal do Paranapanema, Brazil, through neoextractivist dynamics with neocolonial traits. Drawing on documentary analysis and socio‐environmental indicators, it investigates how transnational capital, state mediation and integration into global ...
Vinicius Genaro, Antonio Aledo, José Paulo Peccinini Pinese, Felipe Sáez‐Ardura   +3 more
wiley   +1 more source