Phytochemical analysis and acaricidal activity of Aloe arborescens Mill. extracts against Rhipicephalus (Boophilus) microplus

Autor: Aldair Calistro de Matos, Claudia Mello Ribeiro, Ieda Spacinio Scarminio, Sabrina Afonso, Odilon Vidotto

Publikováno v: Semina: Ciências Agrárias, Vol 38, Iss 5, Pp 3113-3122 (2017)

The indiscriminate use of chemical acaricides has allowed Rhipicephalus (Boophilus) microplus to develop resistance to several active principles. However, botanical extracts have been tested as an alternative method to control those ticks. This exper

Externí odkaz: https://doaj.org/article/0515b6798def429c9d60c90bc4183b02

Análise exploratória e avaliação da atividade analgésica em camundongos de extratos das folhas de Vernonia condensata Baker

Autor: Sabrina Afonso

Publikováno v: Biblioteca Digital de Teses e Dissertações da UELUniversidade Estadual de LondrinaUEL.

Neste estudo avaliou-se a atividade analgésica em camundongos por meio do modelo de contorções abdominais e da placa quente, bem como a dose letal média, DL50, usando diferentes frações de dois extratos de folhas de Vernonia condensata Baker. A

Externí odkaz: http://www.bibliotecadigital.uel.br/document/?code=vtls000162038

Integrated Chemometric Approach to Optimize Sample Preparation for Detecting Metabolic Changes Provoked by Abiotic Stress in Coffea arabica L. Leaf Fingerprints

Autor: Miroslava Rakocevic, Sabrina Afonso, Roy E. Bruns, Gustavo Galo Marcheafave, Cláudia Domiciano Tormena, Ieda Spacino Scarminio

Publikováno v: Journal of the Brazilian Chemical Society v.30 n.10 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 30, Issue: 10, Pages: 2085-2094, Published: 21 OCT 2019

The effects of water-deficit stress on irrigated and unirrigated field plants of Coffea arabica L. genotype IAPAR 59 were investigated. Plant extracts were obtained following an ethanol-dichloromethane-hexane statistical mixture design. Proton nuclea

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79a7aa6b331f446a100ac8e28e779d40
https://doi.org/10.21577/0103-5053.20190068

Electroanalytical application of a boron-doped diamond electrode: Improving the simultaneous voltammetric determination of amlodipine and valsartan in urine and combined dosage forms

Autor: Ana Paula Pires Eisele, Guilherme Roberto Mansano, Sabrina Afonso, Elen Romão Sartori, Luiz Henrique Dall'Antonia

Publikováno v: Journal of Electroanalytical Chemistry. 738:188-194

A new voltammetric method was developed for simultaneous determination of amlodipine (AML) and valsartan (VAL) in synthetic urine and combined pharmaceutical formulations. The anodic peak potentials of AML and VAL oxidation at a cathodically pretreat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::47796c7d4767925049aa8b803f42db39
https://doi.org/10.1016/j.jelechem.2014.11.034

Exploratory analysis of secondary metabolites separation processes in Annonaceae

Autor: Sabrina Afonso

Publikováno v: Biblioteca Digital de Teses e Dissertações da UEL
Universidade Estadual de Londrina (UEL)
instacron:UEL

Métodos quimiométricos foram associados a dados espectroscópicos e cromatográficos para discriminar amostras de folhas autossombreadas e expostas ao sol de Annona muricata e Rollinia mucosa coletadas nas diferentes estações climáticas. As extr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::64b5d1965ca5e63fbb74c4edde1010ef
http://www.bibliotecadigital.uel.br/document/?code=vtls000206599