Výsledky vyhledávání - "Gisele S. Lopes"

Akademický článek

TREATMENT OF WASTE FROM ATOMIC EMISSION SPECTROMETRIC TECHNIQUES AND REUSE IN UNDERGRADUATE LAB CLASSES FOR QUALITATIVE ANALYSIS

Autor: Francisco L. F. da Silva, Thalita O. A. Duarte, Allan N. S. Dantas, Gisele S. Lopes, Sandro T. Gouveia, Wladiana O. Matos

Publikováno v: Química Nova, Vol 38, Iss 9, Pp 1247-1252 (2015)

Flame atomic absorption spectrometry (FAAS) and inductively coupled plasma optical emission spectrometry (ICP OES) are widely used in academic institutions and laboratories for quality control to analyze inorganic elements in samples. However, these

Externí odkaz: https://doaj.org/article/926de3ac548c499fa5f13bb4ccaaa5ae

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Akademický článek

Chemometric Characterization of Alembic and Industrial Sugar Cane Spirits from Cape Verde and Ceará, Brazil

Autor: Regina F. R. Pereira, Carla B. Vidal, Ari C. A. de Lima, Diego Q. Melo, Allan N. S. Dantas, Gisele S. Lopes, Ronaldo F. do Nascimento, Clerton L. Gomes, Maria Nataniela da Silva

Publikováno v: International Journal of Analytical Chemistry, Vol 2012 (2012)

Sugar cane spirits are some of the most popular alcoholic beverages consumed in Cape Verde. The sugar cane spirit industry in Cape Verde is based mainly on archaic practices that operate without supervision and without efficient control of the produc

Externí odkaz: https://doaj.org/article/0f778326785045eb840a7534265acef8

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Development, Optimization, and Validation of an Ultrasound-Assisted Liquid–Liquid Microextraction (UALLME) for Selenomethionine Analyses in Cashew Nut (Anacardium occidentale) by Ultra-Performance Liquid Chromatography Coupled to Electrospray Ionization/Single Quadrupole Mass Spectrometer (UPLC-ESI/QDa)

Autor: Daniel B. Alcântara, Paulo Riceli, Ana Debora S. Almeida, Lícia R. Luz, Hélio O. Nascimento, Tatiana S. M. Fernandes, Ana Paula Dionísio, Ana Cecília R. Castro, Ronaldo F. Nascimento, Gisele S. Lopes, Guilherme J. Zocolo

Publikováno v: Food Analytical Methods. 15:3196-3208

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::efe22d5cb061169e53e35e34f56f3486
https://doi.org/10.1007/s12161-022-02355-7

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A fast and low-cost approach to quality control of alcohol-based hand sanitizer using a portable near infrared spectrometer and chemometrics

Autor: Gisele S. Lopes, Lívia Pd Ribeiro, Adenilton Camilo da Silva, Wladiana O. Matos, Ruth Mb Vidal

Publikováno v: Journal of Near Infrared Spectroscopy. 29:119-127

The use of alcohol-based hand sanitizers is recommended as one of several strategies to minimize contamination and spread of the COVID-19 disease. Current reports suggest that the virucidal potential of ethanol occurs at concentrations close to 70%.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9e078e9ef66d701f60bcceae9ed66a34
https://doi.org/10.1177/0967033520987315

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Selenium content and physicochemical characterization of traditional Brazilian coalho cheese

Autor: Wladiana O. Matos, Gisele S. Lopes, Kaluce Gonçalves de Sousa Almondes, Jéssica Gadelha Reges, Francisco L.F. da Silva, Renata Carmo de Assis, Carla Soraya Costa Maia, Priscila Pereira Pessoa

Publikováno v: Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences. 16:1-8

Studies of centesimal composition regarding coalho. From the perspective that selenium content in foods can vary due to environmental factors and cheese may be a source of such nutrient, it is believed that is relevant to characterize the possible se

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::288815cad8ecd64e50c0a136dd04389e
https://doi.org/10.5039/agraria.v16i1a8860

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Chemometric tools applied to optimize a fast solid-phase microextraction method for analysis of polycyclic aromatic hydrocarbons in produced water

Autor: Gisele S. Lopes, Ari Clecius Alvez de Lima, Hélio O. Nascimento, André Luiz Melo Camelo, Carla Bastos Vidal, Pedro Hermano Menezes de Vasconcelos, Elisane Longhinotti, Ronaldo Ferreira do Nascimento

Publikováno v: Environmental Science and Pollution Research. 28:8012-8021

Chemometric tools are powerful strategies to efficiently optimize many processes. These tools were employed to optimize a fast-solid phase microextraction procedure, which was used for the analysis of polycyclic aromatic hydrocarbons (PAHs) in oil-ba

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c205db6eb234431c9edb5deefc9c89f8
https://doi.org/10.1007/s11356-020-10881-2

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Rapid and Low Cost Determination of Total Mercury in Cat Foods by Photochemical Vapor Generation Coupled to Atomic Absorption Spectrometry

Autor: Gisele S. Lopes, Nilvan A Silva, Nandressa F Nobre

Publikováno v: Biological Trace Element Research. 199:1161-1169

A rapid and low-cost method for determination of total mercury (THg) in cat food was developed based on photochemical vapor generation (PVG) coupled to cold vapor atomic absorption spectrometry (CVAAS). Cat food samples with ingredients based on tuna

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4704ef547a5c381a238fcec581a9a39
https://doi.org/10.1007/s12011-020-02216-6

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Infrared radiation as a heat source in sample preparation of shrimp for trace element analysis

Autor: Victor M. Campos, Wladiana O. Matos, Lívia Paulia Dias Ribeiro, Francisco L.F. da Silva, Gisele S. Lopes, Sandro T. Gouveia, João P.S. Oliveira

Publikováno v: Journal of Food Composition and Analysis. 79:107-113

An open sample preparation system based on use of infrared radiation (IR) for heating was used to accelerate the mineralization of shrimp samples to quantify their As, Cd, Co, Cr, Cu, Fe, Mn, Ni, Pb, Se, Sn and V content by ICP-OES. The method presen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ef6b05148c4c17fdd9e663d51b927fd
https://doi.org/10.1016/j.jfca.2019.03.014

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Integrated UPLC-HRMS, Chemometric Tools, and Metabolomic Analysis of Forage Palm (Opuntia spp. and Nopalea spp.) to Define Biomarkers Associated with Non‑Susceptibility to Carmine Cochineal (Dactylopius opuntiae)

Autor: Thiago Kelvin B. Matos, Ronaldo Ferreira do Nascimento, João Alencar de Sousa, Licia dos Reis Luz, Kirley Marques Canuto, Guilherme Julião Zocolo, Nivia da Silva Dias-Pini, Edy Sousa de Brito, Elenilson G. Alves Filho, Gisele S. Lopes, Jhonyson Arruda Carvalho Guedes

Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA

Metabolomics, together with analytical methods and chemometric tools, point to new paths for selecting species that are resistant to pests and diseases. In this work, the forage palm species’ metabolomic profile was investigated, and the relation b

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d48b46e7fd658ac34e78d2788073a8e
https://doi.org/10.21577/0103-5053.20210060

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Rapid and Low Cost Determination of Total Mercury in Cat Foods by Photochemical Vapor Generation Coupled to Atomic Absorption Spectrometry

Autor: Nilvan A, Silva, Nandressa F, Nobre, Gisele S, Lopes

Publikováno v: Biological trace element research. 199(3)

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::011de4e61d96f4fdf62afaa8d898c823
https://pubmed.ncbi.nlm.nih.gov/32472353

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