Results 11 to 20 of about 546 (176)

Quantificação de sulfonamidas em leite por cromatografia líquida de alta eficiência via azoderivados Sulfonamides quantification in milk by high performace liquid chromatography via azoderivatives

Pesquisa Agropecuária Brasileira, 2008
O objetivo deste trabalho foi avaliar uma alternativa para a quantificação simultânea de sulfatiazol, sulfametazina e sulfadimetoxina no leite, na forma de azoderivados, por meio de cromatografia líquida de alta eficiência (CLAE).
Marcelo Volpatto Marques, Fabrício Fredo Naciuk, Ana Maria de Souza Mello, Nair Maria Seibel, João Gabriel Rosa dos Santos, Luiz Antonio Mazzini Fontoura   +5 more
doaj   +1 more source

Determinação de ptaquilosídeo no leite de vacas por CLAE-UV

Semina: Ciências Agrárias, 2019
Samambaias do gênero Pteridium são reconhecidas como responsáveis por casos de intoxicação em bovinos. As espécies de Pteridium comumente encontradas no Brasil são P. arachnoideum e P. caudatum.
Debora da Silva Freitas Ribeiro, Kelly Moura Keller, Marília Martins Melo, Benito Soto-Blanco   +3 more
doaj   +1 more source

Publicly funded private schools and academic achievement: A comparative analysis of PISA data in European countries

British Educational Research Journal, EarlyView.
Abstract This paper analyses differences in academic achievement associated with attendance at publicly funded private schools and public schools across 11 European countries. Using eight waves of PISA data (2000–2022), we apply OLS, IPW and IPWRA estimators to account for observed heterogeneity and mitigate selection bias.
Priya Maurya, Léonard Moulin, Denis Fougère   +2 more
wiley   +1 more source

Comparação de cromatografia líquida de alta eficiência e titulação em meio não aquoso para quantificação de alprazolam em cápsulas manipuladas

Revista de Ciências Farmacêuticas Básica e Aplicada, 2012
O objetivo pretendido com o presente trabalho foi avaliar a adequabilidade e viabilidade de dois métodos analíticos para quantificação de alprazolam em cápsulas manipuladas: cromatografia líquida de alta eficiência (CLAE) e titulação em meio não aquoso ...
Francisco Gonçalves de Oliveira Júnior, Fernanda Stoupa de Sá, Gerson Antônio Pianetti, Isabela Costa César   +3 more
doaj   +2 more sources

Predictors of authorised, unauthorised and persistent absence among secondary school pupils in Scotland

British Educational Research Journal, EarlyView.
Abstract This article examines the factors associated with persistent absenteeism (an absence rate of 10% or higher) and authorised and unauthorised absence among secondary school pupils in Scotland. Using linked administrative data, the analysis focuses on secondary school stages S1–S6 in three academic years.
Silvia Behrens, Morag Treanor, Patricio Troncoso, Bethany Lee‐Shield, Emma Russell, Lee Williamson, Cecilia Macintyre   +6 more
wiley   +1 more source

Effective methods for increasing levels of political self‐efficacy for girls and disadvantaged students in England

British Educational Research Journal, EarlyView.
Abstract This study addresses the gap in rigorous evaluation of inclusive Citizenship Education methods in reducing gender and socioeconomic inequalities in political self‐efficacy. This article tests the effectiveness of two pedagogical approaches: counter‐narratives and think‐pair‐share.
Bryony Hoskins, Khuyen Dinh, Christian Christrup Kjeldsen   +2 more
wiley   +1 more source

Membrane‐Permeable Nucleoside T‐1106 Diphosphate and Triphosphate Analogues as Antiviral Pronucleotides

Chemistry – A European Journal, EarlyView.
Favipiravir (T‐705) and the non‐fluorinated counterpart (T‐1106) are antiviral agents that inhibit the RNA‐dependent RNA polymerase (RdRp) of various RNA viruses. The antiviral efficacy of nucleoside analogues is strongly dependent on their intracellular activation by cellular kinases to produce their corresponding triphosphate metabolites (T‐705‐RTP ...
Chris Meier, Duan Li, Leentje Persoons, Graciela Andrei, Robert Snoeck, Dominique Schols, Lieve Naesens, Xiao Jia   +7 more
wiley   +1 more source

Does Internal Corporate Social Responsibility Drive Employee Well‐Being? Evidence From a Positive Balance Perspective

Corporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT The significance of fostering an internal corporate social responsibility (ICSR) plan to advance employee well‐being is not fully understood. This article explores employee well‐being from a positive balance perspective, combining the strategic approach to Internal Corporate Social Responsibility with the Theory of subjective well‐being ...
Teresa C. Herrador‐Alcaide, João Correia Leitão, Montserrat Hernández‐Solís, Dina Pereira   +3 more
wiley   +1 more source

Desarrollo y Validación de un método de Cromatografía Líquida de Alta Eficacia para la cuantificación de fitoesteroles en Portulaca oleracea L

Revista CENIC Ciencias Químicas, 2015
La verdolaga (Portulaca oleracea L.) es una planta abundante en los campos de Cuba y se conoce de su utilización como verdura y también con fines medicinales.
Miguel Ángel Alba-de-Armas, Luis Ramón Bravo-Sánchez, Lismeiv Dumenigo-Peña, Imilsys Gómez-Reyes   +3 more
doaj  

Impact of donor mare and stallion identity on the likelihood of pregnancy after transfer of in vitro produced embryos

Equine Veterinary Journal, EarlyView.
Abstract Background The success of in vitro embryo production (IVEP) is influenced by donor mare and stallion. Objectives To determine whether donor mare and stallion influence the pregnancy rate after transfer of in vitro produced (IVP) blastocysts and to identify factors influencing the likelihood of obtaining one or more pregnancies from a single ...
M. Papas, T. A. E. Stout, J. C. M. Vernooij, B. Leemans, L. Arnold, M. M. Beitsma, L. I. Wijnands, M. de Ruijter‐Villani, S. Colleoni, G. Lazzari, C. Galli, A. Claes   +11 more
wiley   +1 more source