Zobrazeno 1 - 10 of 14 pro vyhledávání: '"Arístides Rosado Pérez"'
1
Akademický článek
Identificación y caracterización de los productos de degradación de las benzotiadiazinas en orina humana. Importancia para el control antidoping
Autor: Rodny Montes de Oca Porto, Margarita Teresa Correa Vidal, Arístides Rosado Pérez, Odalys González Pérez, Mario Granda Fraga
Publikováno v: Revista CENIC Ciencias Químicas, Vol 39, Iss 2, Pp 115-121 (2008)
Los diuréticos de tipo tiazidas (benzotiadiazinas) son ampliamente usados con fines terapéuticos. Al igual que otros diuréticos pueden ser utilizados ilegalmente en el deporte con el objetivo de evitar resultados positivos en el control antidoping
Externí odkaz: https://doaj.org/article/825292a533cf4bfc806e90faff1cd03f
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2
Akademický článek
Diferenciación de esteroides endógenos y exógenos mediante Cromatografía de Gases-Combustión-Espectrometría de Masas de Relaciones Isotópicas
Autor: Rodny Montes de Oca Porto, Arístides Rosado Pérez, Margarita Teresa Correa Vidal
Publikováno v: Revista CENIC Ciencias Químicas, Vol 38, Iss 2, Pp 311-318 (2007)
Los perfiles esteroidales urinarios son usados para controlar el abuso de esteroides endógenos tales como la testosterona y la dihidrotestosterona. La relación testosterona/epitestosterona, calculada mediante el empleo de la Cromatografía de Gases
Externí odkaz: https://doaj.org/article/b626069ccd874e17863b4f7e1062df72
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3
Akademický článek
Validación de un método espectrofotométrico para la determinación del contenido de aldehídos en el aceite de girasol ozonizado (OLEOZON®)
Autor: Oscar Ernesto Ledea Lozano, Maykel González Torres, Carlos Hernández Castro, Adaris López Marzo, Jesús Moleiro Mirabal, Arístides Rosado Pérez
Publikováno v: Revista CENIC Ciencias Químicas, Vol 36, Iss 3, Pp 149-155 (2005)
El aceite de girasol ozonizado OLEOZON® presenta excelentes propiedades germicidas (bactericida, fungicida virucida y antiparasitario) que permiten su utilización en el tratamiento de enfermedades de origen infeccioso. En este trabajo se presenta l
Externí odkaz: https://doaj.org/article/7f5b5586beb54f5588a54a3ec19dfb2c
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4
Qualitative confirmation procedure for ephedrines as acetonide derivatives in doping urine samples by gas chromatography/electron ionization mass spectrometry
Autor: Rodny Montes de Oca Porto, Arístides Rosado Pérez, Margarita Teresa Correa Vidal, Mario Granda Fraga
Publikováno v: Rapid Communications in Mass Spectrometry. 23:249-257
Ephedrines are sympathomimetic amines which have central nervous system stimulating properties and, for this reason, some of them are forbidden in sport by the World Antidoping Agency (WADA). They are screened and quantitated in urine by several publ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a07556a10f73b3eb35b6ee390ba6ad6
https://doi.org/10.1002/rcm.3872
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5
Electron ionization mass spectra of ephedrines in a doping confirmatory procedure: a curious migration of the trimethylsilyl group in theN-acetyl-O-trimethylsilyl derivatives
Autor: Arístides Rosado Pérez, Margarita Teresa Correa Vidal, Rodny Montes de Oca Porto
Publikováno v: Rapid Communications in Mass Spectrometry. 21:1871-1876
Ephedrines have central nervous system stimulating properties and, for this reason, some of them are forbidden in sport by the World Antidoping Agency (WADA). They are screened and quantitated in urine by several published techniques and confirmed by
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9927876864a5cd2cf17fd8e6b5f4ddad
https://doi.org/10.1002/rcm.3028
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6
Synthesis of (22R, 25R)-3β,26-Dihydroxy-5α-furostan-6-one#
Autor: Martín A. Iglesias Arteaga, Roxana Pérez Gil, Luis Pozo Ríos, Arístides Rosado Pérez, Carlos S. Pérez Martínez, Vivian Leliebre Lara, Francisco Coll Manchado
Publikováno v: Synthetic Communications. 28:1381-1386
The synthesis of a plant growth promoter furostanol which bears the characteristic functionality of teasterone on rings A and B is described. # Dedicated to Dr. Charles Descoins on the occasion of his 62nd birthday.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bb47f7f9e5ec8e6037de34a81ecd7df
https://doi.org/10.1080/00397919808006836
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7
Reaction ofN,N'-dimethyl-2-nitroethene-1, 1-diamine with α,ß-unsaturated acyl isothiocyanates: Preparation of 1,3-thiazin-4-one and 4-nitro-1,2-thiazol-5(2H)-imine derivatives
Autor: Arístides Rosado Pérez, Dally Moya Argilagos, María I. García Trimiño, Heinz Heimgartner, Anthony Linden, Arturo Macías Hermán Vélez Cabrera Castro
Publikováno v: Helvetica Chimica Acta. 81:718-728
The reaction of N,N-dimethyl-2-nitroethene-1,1-diamine (8) with alpha,beta-unsaturated acyl isothiocyanates 9 affords 3,3-diamino-2-nitroacrylthioamides 10 (Scheme 2) in moderate-to-good yields. Cyclization of 10 under acidic conditions gives 1,3-thi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0b8297a22402e947eaf2a375844f6a0d
https://doi.org/10.1002/hlca.19980810321
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8
Excretion study of clomiphene in human urine: evaluation of endogenous steroids profile after multiple oral doses
Autor: Roberto Socarrás Ojeda, Margarita Teresa Correa Vidal, Dayamín Martínez Brito, Rodny Montes de Oca Porto, Arístides Rosado Pérez
Publikováno v: Journal of the Brazilian Chemical Society, Volume: 21, Issue: 12, Pages: 2220-2225, Published: DEC 2010
Journal of the Brazilian Chemical Society v.21 n.12 2010
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Selective estrogen receptor modulators are classified as prohibited substances according to the list of forbidden substances in sports by the International Olympic Committee and the World Anti-doping Agency. Clomiphene (2-(4-(2-chloro-1,2-diphenyleth
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9897df87833944baa899ee603699b5fa
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532010001200008&lng=en&tlng=en
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9
Studies on the constituents of yellow Cuban propolis: GC-MS determination of triterpenoids and flavonoids
Autor: Luca Rastrelli, Rodny Montes de Oca Porto, Ingrid Márquez Hernández, Anna Lisa Piccinelli, Osmany Cuesta-Rubio, Arístides Rosado Pérez, Mercedes Campo Fernández
Publikováno v: Journal of agricultural and food chemistry. 58(8)
In this study, on the basis of the information supplied by NMR and HPLC-PDA data, we reported a quali-quantitative GC-MS study of 19 yellow Cuban propolis (YCP) samples collected in different regions of Cuba. The profiles of YCP samples allowed us to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f71227e8c45282dbe0264d1144af8dc
https://pubmed.ncbi.nlm.nih.gov/20230059
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10
GC-MS determination of isoflavonoids in seven red Cuban propolis samples
Autor: Ingrid Márquez Hernández, Luca Rastrelli, Mercedes Campo Fernández, Anna Lisa Piccinelli, Rodny Montes de Oca Porto, Osmany Cuesta-Rubio, Arístides Rosado Pérez
Publikováno v: Journal of agricultural and food chemistry. 56(21)
In the present study, the phenolic composition analysis of seven red varieties of propolis, collected in different regions of Cuba, was evaluated by gas chromatography/mass spectrometry (GC-MS). Seventeen compounds were identified in all samples by t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56c9f7dc549623c06982340877ebfa47
https://pubmed.ncbi.nlm.nih.gov/18850713
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