Results 31 to 40 of about 38,067 (243)

Avaliação do perfil cromatográfico obtidos por CLAE-DAD e da atividade antioxidante das folhas de espécies Campomanesia sessiliflora (O. Berg) Mattos e Campomanesia xanthocarpa O. Berg

, 2013
O objetivo desta pesquisa visou a avaliacao do perfil cromatografico, a atividade antioxidante, e os teores de fenois e flavonoides nos extratos orgânicos e infusos de folhas das especies C. xanthocarpa e C.
V. Kataoka, C. Cardoso
semanticscholar   +1 more source

FITORREMEDIAÇÃO DO HERBICIDA SULFENTRAZONE A CAMPO: DETERMINAÇÕES CROMATOGRÁFICAS

Revista UniVap, 2016
A técnica de cromatografia torna-se essencial no processo da fitorremediação de solo contaminado com herbicidas. Objetivou-se determinar a persistência do sulfentrazone utilizando cromatografia líquida (CLAE). O trabalho foi conduzido em duas etapas. Na
Ana Carolina Roos Pinheiro
doaj   +1 more source

International prevalence of adolescent non-suicidal self-injury and deliberate self-harm

Child and Adolescent Psychiatry and Mental Health, 2012
BackgroundThe behaviours of non-suicidal self-injury (NSSI) and deliberate self-harm (DSH) are prevalent among adolescents, and an increase of rates in recent years has been postulated.
J. Muehlenkamp, L. Claes, Lindsey Havertape, P. Plener   +3 more
semanticscholar   +1 more source

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

Epilepsia open—June 2026 Announcements [PDF]

Epilepsia Open
Epilepsia Open, Volume 11, Issue 3, Page 1065-1066, June 2026.
europepmc   +2 more sources

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