Výsledky vyhledávání - "Marcela Alcaraz"

Tumor de colon como hallazgo incidental en un paciente con endocarditis por Streptococcus gallolyticus: experiencia desde la práctica clínica

Autor: David Charry-Borrero, Julián Camacho-Osorio, Juan Coronado-Sarmiento, Jaime Gómez-Ayala, Fernando Pérez-Pinzón, Santiago Roa Maldonado, Mateo Leon Machicado, Paula Marcela Alcaraz Cañizares, Andrea Carolina Caro Becerra, Angie Vanegas, Juliana Bacca Gomez, Eduardo Tuta-Quintero

Publikováno v: Boletín de Malariología y Salud Ambiental. 62:202-208

El Streptococcus gallolyticus del colon. La fisiopatología que explica este fenómeno implica el aumento local de niveles de lactato puede presentarse como el germen causal de la endocarditis infecciosa en pacientes con lesiones premalignas y malign

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8912ae7f8e6124616f92d41a03ba5578
https://doi.org/10.52808/bmsa.7e6.622.010

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Pneumonia by Kocuria rosea: case report and literature review

Autor: Julio César García Casallas, German Gutierrez Parra, Daniel Martin Arsanios, Paula Marcela Alcaraz Cañizares, Tatiana Paola Pacheco Páez, María Daniela Hernández Arcila, Alirio Rodrigo Bastidas Goyes

Publikováno v: Pneumologia. 68:37-40

Species from the genus Kocuria are strictly aerobic, catalase-positive, coagulase-negative and Gram-positive bacteria. This article deals with the case of a 71-year-old patient with severe community-acquired pneumonia (CAP) caused by Kocuria rosea. A

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06c16375e009a0f12e341b6aab05db52
https://doi.org/10.2478/pneum-2019-0007

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Capillary Gas Chromatography–Atomic Emission Detection Method for the Determination of Pentylated Organotin Compounds: Interlaboratory Study

Autor: Marcela Alcaraz, Viorica Lopez-Avila, Yan Liu, Werner F. Beckert

Publikováno v: Journal of AOAC INTERNATIONAL. 78:1275-1285

A capillary gas chromatography-atomic emission detection (GC–AED) method was developed for the U.S. Environmental Protection Agency’s Environmental Monitoring Systems Laboratory in Las Vegas, NV, for determination of selected organotin compounds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::444a2a2be564d400300b654cc06ebd9d
https://doi.org/10.1093/jaoac/78.5.1275

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Centrifugal Partition Chromatographic Extraction of Phenols and Organochlorine Pesticides from Water Samples

Autor: Tammy L. Jones, Viorica Lopez-Avila, Yan Liu, Marcela Alcaraz

Publikováno v: Analytical Chemistry. 66:4483-4489

As part of an ongoing evaluation of new sample preparation methods conducted by the U.S. Environmental Protection Agency through the Environmental Monitoring Systems Laboratory-Las Vegas, especially those methods that minimize waste solvent generatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3614cc54b99b54f1b12dfb4d82cc671
https://doi.org/10.1021/ac00096a014

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Off-Line Complexation/Supercritical Fluid Extraction and Gas Chromatography with Atomic Emission Detection for the Determination and Speciation of Organotin Compounds in Soils and Sediments

Autor: Werner F. Beckert, Marcela Alcaraz, Viorica Lopez-Avila, Yan Liu

Publikováno v: Analytical Chemistry. 66:3788-3796

As part of an ongoing evaluation of new sample preparation methods conducted by the U.S. Environmental Protection Agency (EPA) in Las Vegas, especially those that minimize waste solvent generation, we have developed and evaluated an off-line complexa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::228371887c7625b9c3c57cca52100c1e
https://doi.org/10.1021/ac00093a040

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Simultaneous determination of organotin, organolead, and organomercury compounds in environmental samples using capillary gas chromatography with atomic emission detection

Autor: Yan Liu, Werner F. Beckert, Viorica Lopez-Avila, Marcela Alcaraz

Publikováno v: Journal of High Resolution Chromatography. 17:527-536

As part of a continuing evaluation of new analytical and sample preparation techniques conducted by the US Environmental Protection Agency (EPA), the use of capillary gas chromatography with atomic emission detection (GC-AED) for the simultaneous det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::af5efa345ef5c3af98b33f1571f82298
https://doi.org/10.1002/jhrc.1240170705

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Determination of Metals in Solid Samples by Complexation--Supercritical Fluid Extraction and Gas Chromatography--Atomic Emission Detection

Autor: Yan Liu, Werner F. Beckert, Viorica Lopez-Avila, Marcela Alcaraz, Edward M. Heithmar

Publikováno v: Journal of Chromatographic Science. 31:310-316

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d2fc9ebc2b6e9a79f4971164ceeed62f
https://doi.org/10.1093/chromsci/31.8.310

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Determination of organotin compounds in environmental samples by supercritical fluid extraction and gas chromatography with atomic emission detection

Autor: Marcela Alcaraz, Viorica Lopez-Avila, Yan Liu, Werner F. Beckert

Publikováno v: Journal of High Resolution Chromatography. 16:106-112

The extraction of six tetraalkyltin and seven ionic organotin compounds from spiked topsoil samples with supercritical carbon dioxide and carbon dioxide modified with 5 percent methanol was investigated. Analysis of the soil extracts was performed by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::db1c337def31946686a349fc0dc84595
https://doi.org/10.1002/jhrc.1240160208

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