Výsledky vyhledávání - "Leila Aley Tavares"

Akademický článek

Synthesis and Total 1H- and 13C-NMR Assignment of Cephem Derivatives for Use in ADEPT Approaches

Autor: Man-Chin Chung, Vladimir Constantino Gomes Heleno, Leila Aley Tavares, Elisangela Fabiana Boffo, Antonio Gilberto Ferreira, Elizabeth Igne Ferreira, Renato Farina Menegon, Lorena Blau

Publikováno v: Molecules, Vol 13, Iss 4, Pp 841-854 (2008)

We report the synthesis and total NMR characterization of 5-thia-1-azabicyclo-[4.2.0]oct-2-ene-2-carboxylic acid-3-[[[(4Ã¢Â€Â™Ã¢Â€Â™-nitrophenoxy)carbonyl]oxy]-methyl]-8-oxo-7-[(2-thienyloxoacetyl)amino]-diphenylmethyl ester-5-dioxide

Externí odkaz: https://doaj.org/article/d028c6552f294c4a9b4981946b5a17ba

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Akademický článek

Análises quali- e quantitativa de cafés comerciais via ressonância magnética nuclear

Autor: Leila Aley Tavares, Antonio Gilberto Ferreira

Publikováno v: Química Nova, Vol 29, Iss 5, Pp 911-915 (2006)

Coffee is one of the beverages most widely consumed in the world and the "cafezinho" is normally prepared from a blend of roasted powder of two species, Coffea arabica and Coffea canephora. Each one exhibits differences in their taste and in the chem

Externí odkaz: https://doaj.org/article/e3e8fbd1b5ec44a980a88d1550abeff0

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MATRIZ ELÉTRICA BRASILEIRA E AS TENDÊNCIAS FUTURAS

Autor: Leila Aley Tavares

Publikováno v: RECIMA21 - Revista Científica Multidisciplinar - ISSN 2675-6218. 4:e453135

A crescente preocupação com o meio ambiente e o cenário de mudanças climáticas tem levado à reflexão sobre as tendências futuras da matriz energética mundial. Assim, o setor elétrico brasileiro precisa adaptar-se às novas tendências globa

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::062f36f2c523a77eaa7b4ccf582b041e
https://doi.org/10.47820/recima21.v4i5.3135

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Chemical Domino elaboration and application to aid in the learning Electronic Distribution

Autor: Skarllathy Jennifher Julia Castro de Carvalho, Leila Aley Tavares

Publikováno v: Research, Society and Development; Vol. 9 No. 7; e562974453
Research, Society and Development; Vol. 9 Núm. 7; e562974453
Research, Society and Development; v. 9 n. 7; e562974453
Research, Society and Development
Universidade Federal de Itajubá (UNIFEI)
instacron:UNIFEI
Research, Society and Development, Vol 9, Iss 7, Pp e562974453-e562974453 (2020)

Learning the contents of Electronic Distribution and Periodic Table is often considered a difficult process by high school students. Therefore, the purpose of this work was to develop and apply, in high school classes, a didactic game that includes t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5c034427869a443f1968d196a035ca8d
https://rsdjournal.org/index.php/rsd/article/view/4453

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Elaboração e aplicação de um Dominó Químico para o auxílio no aprendizado de Distribuição Eletrônica

Autor: Skarllathy Jennifher Julia Castro de Carvalho, Leila Aley Tavares

Publikováno v: Research, Society and Development. 9:e562974453

A aprendizagem dos conteúdos de Distribuição Eletrônica e Tabela Periódica, muitas vezes, é tida como um processo difícil pelos alunos de Ensino Médio. Diante disso, a proposta deste trabalho foi elaborar e aplicar, em turmas do Ensino Médio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3e731c8cb2410a2e1fd58c80478c843a
https://doi.org/10.33448/rsd-v9i7.4453

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The Use of Solid State NMR to Evaluate the Carbohydrates in Commercial Coffee Granules

Autor: Elisangela F. Boffo, Leonardo A. Moreira, Maria Inês Bruno Tavares, Leila Aley Tavares, Antonio G. Ferreira, Regina F. Nogueira

Publikováno v: Food and Nutrition Sciences. :350-355

Coffee brings many health benefits due to its chemical constituents. Based on this information, it is essential to know the main chemical compounds from coffee granules; the intermolecular interaction among the coffees compounds and the molecular com

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1459f03b85187fd791a02e918aa15517
https://doi.org/10.4236/fns.2011.24050

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Classification of Brazilian vinegars according to their 1H NMR spectra by pattern recognition analysis

Autor: Elisangela F. Boffo, Márcia M. C. Ferreira, Leila Aley Tavares, Antonio G. Ferreira

Publikováno v: LWT - Food Science and Technology. 42:1455-1460

This work describes using 1 H NMR data and pattern recognition analysis to classify vinegars. Vinegar authenticity is linked to raw ingredient source and manufacturing conditions. Application of PCA and HCA methods resulted in the natural clustering

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9a3af1cedf2205734bd88770e07c39b
https://doi.org/10.1016/j.lwt.2009.05.008

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Structural Characterization of β-glucans of Agaricus brasiliensis in Different Stages of Fruiting Body Maturity and their Use in Nutraceutical Products

Autor: Carla Maísa Camelini, Antonio G. Ferreira, Cezar Zucco, Margarida Matos de Mendonça, Leila Aley Tavares, Marcelo Maraschin

Publikováno v: Biotechnology Letters. 27:1295-1299

beta-Glucans of Agaricus brasiliensis fruiting bodies in different stages of maturity were isolated and characterized by FTIR and NMR. These fractions had greater amount of (1--6)-beta-glucan and the (1--3)-beta-glucan increased with fruiting bodies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::775c2f0e62d0bbef9de4cb102ab62413
https://doi.org/10.1007/s10529-005-0222-6

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