Zobrazeno 1 - 7 of 7 pro vyhledávání: '"Nádia Machado de Aragão"'
1
Akademický článek
Validação de métodos cromatográficos de análise: um experimento de fácil aplicação utilizando cromatografia líquida de alta eficiência (CLAE) e os princípios da 'Química Verde' na determinação de metilxantinas em bebidas Validation of chromatographic methods: an experiment using HPLC and Green Chemistry in methylxanthines determination
Autor: Nádia Machado de Aragão, Márcia Cristina da Cunha Veloso, Jailson Bittencourt de Andrade
Publikováno v: Química Nova, Vol 32, Iss 9, Pp 2476-2481 (2009)
The validation of analytical methods is an important step in quality control. The main objective of this study is to propose an HPLC experiment to verify the parameters of validation of chromatographic methods, based on green chemistry principles, wh
Externí odkaz: https://doaj.org/article/5b629d8b7f8f4788a25099e48baa3c1e
Zobrazit plný text záznamu
2
Akademický článek
Efeito da acidez e de modificadores orgânicos na determinação de metilxantinas: um experimento de cromatografia liquida de alta eficiência (CLAE) empregando otimização uni e multivariada The role of acidity and organic modifiers in the methylxanthines determination: a HPLC experiment
Autor: Nádia Machado de Aragão, Márcia Cristina da Cunha Veloso, Marcia Sousa Bispo, Jailson Bittencourt de Andrade
Publikováno v: Química Nova, Vol 32, Iss 9, Pp 2482-2486 (2009)
In this work a new experiment using HPLC is proposed in order to explore the role of acidity and the organic modifiers in the determination of methylxanthines in tea and coffee. Multivariate and univariate optimizations of the experimental conditions
Externí odkaz: https://doaj.org/article/be88de7fb94d4401b583ab73c22f9a7e
Zobrazit plný text záznamu
3
Phytochemical Constituents Isolated from the Stem Bark of Bauhinia monandra
Autor: Nádia Machado de Aragão, Djalma Menezes de Oliveira, Jailton Ferrari
Publikováno v: Floresta e Ambiente, Vol 26, Iss 1 (2018)
Floresta e Ambiente v.26 n.1 2019
Floresta e Ambiente
Universidade Federal do Rio de Janeiro (UFRJ)
instacron:UFRJ
The methanolic extract from stem bark of Bauhinia monandra, a medicinal plant employed in folk medicine, yielded by column chromatography lup-20(29)-en-3β,24-diol ( 1) and methyl galloate (2) along with β-sitosterol ( 3). These known phytoconstitue
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cd964f849d97513c628af8ed9cc553e4
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872019000100118&lng=en&tlng=en
Zobrazit plný text záznamu
4
Multivariate optimization of an ultrasound-assisted extraction procedure for Cu, Mn, Ni and Zn determination in ration to chickens
Autor: Marcos A. Bezerra, Joelia Martins Barros, Nádia Machado de Aragão, Gisseli Souza Valasques, Anderson Santos Souza, Baraquizio Braga do Nascimento Junior
Publikováno v: Anais da Academia Brasileira de Ciências, Volume: 85, Issue: 3, Pages: 891-902, Published: SEP 2013
Repositório Institucional da UFBA
Universidade Federal da Bahia (UFBA)
instacron:UFBA
Anais da Academia Brasileira de Ciências v.85 n.3 2013
Anais da Academia Brasileira de Ciências
Academia Brasileira de Ciências (ABC)
instacron:ABC
Anais da Academia Brasileira de Ciências, Vol 85, Iss 3, Pp 891-902 (2013)
In this work, multivariate optimization techniques were used to develop a method based on the ultrasound-assisted extraction for copper, manganese, nickel and zinc determination from rations for chicken nutrition using flame atomic absorption spectro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f37e2735926070b3340a73a5af565eba
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000300891&lng=en&tlng=en
Zobrazit plný text záznamu
6
Efeito da acidez e de modificadores orgânicos na determinação de metilxantinas: um experimento de cromatografia liquida de alta eficiência (CLAE) empregando otimização uni e multivariada
Autor: Nádia Machado de Aragão, Marcia Sousa Bispo, Márcia Cristina da Cunha Veloso, Jailson B. de Andrade
Publikováno v: Química Nova, Volume: 32, Issue: 9, Pages: 2482-2486, Published: 2009
Química Nova v.32 n.9 2009
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
In this work a new experiment using HPLC is proposed in order to explore the role of acidity and the organic modifiers in the determination of methylxanthines in tea and coffee. Multivariate and univariate optimizations of the experimental conditions
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc602aca1fcc25c6eb44582f651860e4
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422009000900044&lng=en&tlng=en
Zobrazit plný text záznamu
7
Multivariate optimisation of the experimental conditions for determination of three methylxanthines by reversed-phase high-performance liquid chromatography
Autor: Sergio Luis Costa Ferreira, Márcia Souza Bispo, Jailson B. de Andrade, Nádia Machado de Aragão, Márcia Cristina da Cunha Veloso
Publikováno v: Repositório Institucional da UFBA
Universidade Federal da Bahia (UFBA)
instacron:UFBA
Texto completo: acesso restrito. p.1007–1013 Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-11-04T11:04:23Z No. of bitstreams: 1 Márcia Bispo.pdf: 452730 bytes, checksum: ad59f0476c0193172f19b0b9218faef6 (MD5) Made available in DSpac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c13b947f1c9b871a1d8b378a10b3e251
http://repositorio.ufba.br/ri/handle/ri/13541
Zobrazit plný text záznamu

Vyhledávací nástroje:

Upřesnit hledání

Omezení vyhledávání
Plný text Recenzováno Digitální knihovna AV ČR
Zdroje