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Antipsicóticos em efluente hospitalar: ocorrência, método cromatográfico, avaliação de risco e ozonização
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2018-09-06)
Residues of psychoactive drugs in environmental samples have received great attention
in recent years due to the high consumption and the impacts they can cause to
ecosystems and also to human health. The objective of ...
Photochemically induced fluorescence coupled to second-order multivariate calibration as analytical tool for determining imidacloprid in honeybees
(Elsevier, 2017)
This paper presents a method for the determination of imidacloprid in honeybees based on the measurement of excitation-emission spectra of photo-induced fluorescence (PIF-EEMs) associated to unfolded partial least squares ...
Photochemically induced fluorescence coupled to second-order multivariate calibration as analytical tool for determining imidacloprid in honeybees
(Elsevier, 2017)
This paper presents a method for the determination of imidacloprid in honeybees based on the measurement of excitation-emission spectra of photo-induced fluorescence (PIF-EEMs) associated to unfolded partial least squares ...
High-throughput method based on quick, easy, cheap, effective, rugged and safe followed by liquid chromatography-multi-wavelength detection for the quantification of multiclass polyphenols in wines
(Elsevier, 2014-03)
In this work, a reliable, simple, fast, inexpensive and robust sample preparation approach for the determination of multiclass polyphenols in wine samples is proposed. The polyphenols selected for this work were gallic ...
Drogas anticâncer em efluente hospitalar: método, ocorrência, avaliação preliminar de risco, degradação por fotólise e ozonização
(Universidade Federal de Santa MariaBrasilQuímicaUFSMPrograma de Pós-Graduação em QuímicaCentro de Ciências Naturais e Exatas, 2018-09-06)
In the last decade, the demand for anti-cancer drugs has grown considerably. These
products are one of the drug classes with great potential to cause harm to the
environment, even in low concentrations, and may have ...
Synthesis and Characterization of a Silica/Tungsten(VI) Oxide and Its Performance for the On-Line Solid-Phase Extraction (SPE) of Nickel Ions from Aqueous Media with Determination by Flame Atomic Absorption Spectrometry (FAAS)
(2020-01-01)
The present paper describes a new analytical method exploiting a SiO2/WO3 mixed oxide as an adsorbent synthesized via sol-gel process for the preconcentration of Ni2+. This material was characterized by energy dispersive ...
Aplicação das técnicas de microextração μMSPD e BAμE para determinação de alcaloides em matrizes in natura e processadas de tabaco (Nicotiana tabacum L.) por cromatografia líquida acoplada a espectrometria de massasApplication of the microextraction techniques μMSPD and BAμE for determination of alkaloids in natural and processed tobacco matrix (Nicotiana tabacum l.) by liquid chromatrography-mass spectrometry
(Pós-Graduação em QuímicaUniversidade Federal de Sergipe, 2020)
Photochemically induced fluorescence coupled to second-order multivariate calibration as analytical tool for determining imidacloprid in honeybees
(Elsevier B.V., 2017)
© 2016 Elsevier B.V.This paper presents a method for the determination of imidacloprid in honeybees based on the measurement of excitation-emission spectra of photo-induced fluorescence (PIF-EEMs) associated to unfolded ...
Dissolution of the second phase particles in the course of the equal channel angular pressing of diluted Cu-Cr-Zr alloy
(Russian Acad Sciences, Inst Metals Superplasticity Problems, 2018)
Changes of properties and the second phase particles' distribution in diluted CuCrZr alloy in the course of equal channel angular pressing (ECAP) and post-deformation annealing are investigated. To decrease the concentration ...
Caracterização da composição química e atividade biológica de extratos de Alternanthera brasiliana (L.) Kuntze Amarnathaceae
(Universidade Federal de Minas GeraisUFMG, 2012-02-16)
Alternanthera brasiliana (Amaranthaceae) is a medicinal plant used in the treatment of inflammation, pain and infectious processes (BROCHADO et al., 2003; MACEDO et al., 2004). Polar extracts of this plant have revealed ...