Zobrazeno 1 - 10
of 102
pro vyhledávání: '"Ricardo Vessecchi"'
Autor:
Jacqueline Nakau Mendonça, Valquíria A. Polisel Jabor, Gabriel Santos Arini, Ricardo Roberto da Silva, Rafael Carvalho da Silva, Ricardo Vessecchi, Fabio Santos do Nascimento, Norberto Peporine Lopes
Publikováno v:
Química Nova, Vol 47, Iss 1 (2024)
Juvenile hormone (JH III) is an important example of a chemical signaling derived from the terpene biosynthetic pathway. Because of its impact on many species’ reproductive and developmental processes, analytical approaches must be developed to acc
Externí odkaz:
https://doaj.org/article/3d7140712aee48daa860f898afe3e70f
Autor:
Herbert Júnior Dias, Ricardo Stefani, José Carlos Tomaz, Ricardo Vessecchi, Antônio Eduardo Miller Crotti
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2017 (2017)
We investigated the fragmentation of the eudesmanolide-type sesquiterpene lactones 1α-(4-hydroxymethacryloyloxy)-3α,4α-epoxy-8α-hydroxyeudesm-11(13)-6α,12-olide (1) and 1α-(2,3-epoxyangeloyloxy)-4α,15-epoxy-8α-hydroxyeudesm-11(13)-6α,12-olid
Externí odkaz:
https://doaj.org/article/fedd32becf8c4c40bf73d9c03e3ba733
Autor:
Ricardo Vessecchi, Norberto Peporine Lopes, Fábio Cesar Gozzo, Felipe Augusto Dörr, Michael Murgu, Daniel Temponi Lebre, Renato Abreu, Oscar Vega Bustillos, José Manuel Riveros
Publikováno v:
Química Nova, Vol 34, Iss 10, Pp 1875-1887 (2011)
In commemoration of the International Year of Chemistry this article presents the normalization and standardization of key terms used in mass spectrometry in Portuguese Language.
Externí odkaz:
https://doaj.org/article/f5adb67134c74ab7ac2c3604d21fdae8
Autor:
Ricardo Vessecchi, Sérgio E. Galembeck, Norberto P. Lopes, Paulo G. B. D. Nascimento, Antônio E. M. Crotti
Publikováno v:
Química Nova, Vol 31, Iss 4, Pp 840-853 (2008)
The field of application of mass spectrometry (MS) has increased considerably due to the development of ionization techniques. Other factors that have stimulated the use of MS are the tandem mass spectrometry (MS/MS) and sequential mass spectrometry
Externí odkaz:
https://doaj.org/article/e8fa008b9c7b4e938fe78d3601368515
Publikováno v:
International Journal of Analytical Chemistry, Vol 2012 (2012)
Externí odkaz:
https://doaj.org/article/c7671a9318a54e05b3cb7e369ff33f7c
Autor:
Ricardo Vessecchi Lourenço
Publikováno v:
Biblioteca Digital de Teses e Dissertações da USPUniversidade de São PauloUSP.
Nas últimas décadas, o desenvolvimento das técnicas de ionização à pressão atmosférica impulsionou a espectrometria de massas, na caracterização e elucidação estrutural de compostos de grande massa molecular. O surgimento dessas técnicas
Autor:
Juliana Neves de Paula e Souza, Rodrigo Moreira da Silva, Simone Silveira Fortes, Anderson Rodrigo Moraes de Oliveira, Leandro S. Ferreira, Ricardo Vessecchi, Norberto Peporine Lopes, Denise Brentan Silva
Publikováno v:
Planta Medica.
Licarin A, a dihydrobenzofuranic neolignan presents in several medicinal plants and seeds of nutmeg, exhibits strong activity against protozoans responsible for Chagas disease and leishmaniasis. From biomimetic reactions by metalloporphyrin and Jacob
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0ddb831df5706dc81dfafaf06bca81c
https://doi.org/10.1055/a-2009-0732
https://doi.org/10.1055/a-2009-0732
Autor:
Paulo Eliandro da Silva Júnior, Shaiani Maria Gil de Melo, Murilo Helder de Paula, Ricardo Vessecchi, Till Opatz, James E. H. Day, A. Ganesan, Flavio da Silva Emery
Publikováno v:
Organic & Biomolecular Chemistry. 20:7483-7490
This article discusses the reactivity of 6-azaindazole (1) and 2,6-naphthyridine (2), proposed to be "heteroaromatic rings of the future," which would be useful for fragment-based drug discovery (FBDD) campaigns, developing growth vectors for fragmen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f02f5edbde07638d5e7bd9055904a73
https://doi.org/10.1039/d2ob00968d
https://doi.org/10.1039/d2ob00968d
Autor:
Letícia da Silva Borges, João Henrique Carvalho Batista, Leandro Bozzini, Celso Donizete Lourenço, Norberto Peporine Lopes, Giuliano Cesar Clososki, Ricardo Vessecchi
Publikováno v:
Rapid Communications in Mass Spectrometry. 37
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::573500107b77a35af8c4b062dfa9f49a
https://doi.org/10.1002/rcm.9449
https://doi.org/10.1002/rcm.9449
Autor:
Letícia, da Silva Borges, João Henrique Carvalho, Batista, Leandro, Bozzini, Celso Donizete, Lourenço, Norberto Peporine, Lopes, Giuliano Cesar, Clososki, Ricardo, Vessecchi
Publikováno v:
Rapid communications in mass spectrometry : RCM.
Oxazolines are important compounds for drug development, synthesis, and pharmaceutical applications. Interest in analyzing and developing methods to characterize reaction products from these small heterocyclics has led us to study the gas-phase react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::fbd82302a1ec033cd6fad3dcab482d9a
https://pubmed.ncbi.nlm.nih.gov/36459945
https://pubmed.ncbi.nlm.nih.gov/36459945