Buscar

Mostrando ítems 1-10 de 488

Rapid Screening and Identification of Polar Constituents from Brazilian Arnica Lychnophora sp by LC-UV/DAD-ESI-MS and LC-UV/DAD-ESI-MS/MS Analysis

MORAES, Solange Leite de; GREGORIO, Luiz Elidio; TOMAZ, Jose Carlos; LOPES, Norberto Peporine (VIEWEG, 2009)

This paper describes an analytical method for the rapid screening and identification of the phenolic constituents present in the polar extracts of different Lychnophora spp. using LC-UV/DAD-ESI-MS and LC-UV/DAD-ESI-MS/MS. ...

Identification of non-zein proteins in BR473 maize protein bodies by LC-nanoESI-MS/MS

Bicudo, Tatiana de Campos; Bicudo, Rogério Campos; Forato, Lucimara A.; Titato, Guilherme M.; Colnago, Luiz A.; Lanças, Fernando M. (Wiley, 2009-12-22)

Development and validation of a method for the analysis of Ochratoxin A in roasted coffee by liquid chromatography/electrospray-mass spectrometry in Tandem (LC/ESI-MS/MS)

Bandeira, Raquel Duarte da Costa Cunha; Uekane, Thais Matsue; Cunha, Carolina Passos da; Geaquinho, Luths Raquel de Oliveira; Cunha, Valnei Smarçaro da; Caixeiro, Janaína Marques Rodrigues; Godoy, Ronoel Luiz de Oliveira; Cruz, Marcus Henrique Campino de La (Sociedade Brasileira de Química, 2014)

LC-ESI-MS/MS Method for the profiling of glycerophospholipids and its application to the analysis of tobacco hairy roots as early indicators of phenol pollution

Flor, Sabrina Andrea; Sosa Alderete, Lucas Gastón; Dobrecky, Cecilia Beatriz; Tripodi, Valeria Paula; Agostini, Elizabeth; Lucangioli, Silvia Edith (Vieweg, 2021-04)

The growing impact of organic and inorganic pollutants on the environment has led to the development of numerous strategies to counteract this effect. Among all, green technologies such as phytoremediation, has won relevance ...

LC-DAD/ESI-MS/MS study of phenolic compounds in ash (Fraxinus excelsior L. and F. americana L.) heartwood. Effect of toasting intensity at cooperage

Sanz, Miriam; Fernandez de Simon, Brigida; Cadahia, Estrella; Esteruelas, Enrique; Munoz, Angel M.; Hernandez, Teresa; Estrella, Isabel; Pinto, Ernani (WILEY-BLACKWELLHOBOKEN, 2012)

The phenolic composition of heartwood extracts from Fraxinus excelsior L. and F. americana L., both before and after toasting in cooperage, was studied using LC-DAD/ESI-MS/MS. Low-molecular weight (LMW) phenolic compounds, ...

Identification of polyphenols from antiviral Chamaecrista nictitans extract using high-resolution LC–ESI–MS/MS

Mateos Martín, María Luisa; Fuguet, Elisabet; Jiménez Ardón, Allan Miguel; Herrero Uribe, Libia; Tamayo Castillo, Giselle; Torres, Josep Lluís (2014)

Chamaecrista nictitans (L) extract possesses antiviral properties; it acts against the herpes simplex virus, and this may be attributed to its constituent phenolics. Here, high-resolution LC–ESI–MS/MS is used to identify ...

Otimização e validação de metodo analitico para a determinação de cloranfenicol em alimentos de origem animal utilizando a tecnica LC-ESI-MS-MSDevelopment and validation of analytical method for the determination of chloramphenicol in food of animal origin by LC-ESI-MS-MS

Siqueira, Silvia Regina Rocha ([s.n.], 2007)

Determinação de residuos de verde de malaquita e verde de leucomalaquita em peixes por LC-ESI-MS/MSDetermination of malachite green and leucomalachite green residues in fish by LC-ESI-MS/MS

Hashimoto, Juliana Campos ([s.n.], 2010)

LC-MS/MS quantitative determination of tetrapterys mucronata alkaloids, a plant occasionally used in ayahuasca preparation

Universidade Estadual Paulista (Unesp); Univ Lausanne (Wiley-Blackwell, 2015-05-01)

IntroductionTetrapterys mucronata Cav. (Malpighiaceae) is a plant used in some regions of Brazil in the preparation of ayahuasca.ObjectiveTo determine the content of the main tryptamine alkaloids in the stem bark of T. ...

Identification of Polyphenols from Chilean Brown Seaweeds Extracts by LC-DAD-ESI-MS/MS

Olate-Gallegos, Carla; Barriga, Andrés; Vergara, Cristina; Fredes, Carolina; García, Paula; Giménez, Begoña; Robert Canales, Paz (Taylor and Francis Inc., 2019)

Polyphenol profiles were characterized in extracts of three Chilean brown seaweeds, Durvillaea antarctica (Chamisso) Hariot, Lessonia spicata (Suhr) Santelices, and Macrocystis integrifolia (Bory) by liquid chromatography ...

1
2
3
4
. . .
49