Mostrando 10 resultados de: 22
Filtros aplicados
Publisher
Vibrational Spectroscopy(3)
American Chemical Society(2)
Elsevier(2)
Plant Disease(2)
Acta Physiologiae Plantarum(1)
Área temáticas
Química analítica(6)
Química física(6)
Agricultura y tecnologías afines(5)
Ganadería(5)
Química inorgánica(5)
Área de conocimiento
Ciencia de materiales(6)
Química orgánica(5)
Ciencias Agrícolas(4)
Espectroscopía(4)
Fitopatología(4)
A novel approach to assessing environmental disturbance based on habitat selection by zebra fish as a model organism
ArticleAbstract: Aquatic ecotoxicity assays used to assess ecological risk assume that organisms living in a contaminPalabras claves:Environmental risk, Habitat disturbance, Habitat selection, Preference, Spatial DistributionAutores:Beatriz Nieto-Ariza, Cristiano V.M. Araújo, Daniel M. Griffith, David Salvatierra, Jaramillo R., Laura Cervera, Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Moreira-Santos M., Paul Vargas Jentzsch, Ribeiro R., Santiago Erazo, Victoria Carolina Vera-VeraFuentes:googlescopusSurvey of clenbuterol in bovine muscle and liver in Ecuador
ArticleAbstract: Clenbuterol is a steroid-type drug used in respiratory treatments in both humans and animals. HowevePalabras claves:Clenbuterol, Food contamination, food safety, ß-adrenergic receptors, ß-agonistAutores:Andrade P., Betancourt R., Dominique Enríquez, Gualpa F., Juan Eduardo Bravo-Vásquez, Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Medina L., Michelle Guijarro, Montalvo García G., Moreno C., Ortega F., PATRICIA GARRIDO, Paul Vargas Jentzsch, Stolker L., Ulic S.E., Vaca I., Wania EspinozaFuentes:googlescopusSynthesis and vibrational properties of trifluoromethyl trifluoromethanethiosulfonate and comparison with covalent sulfonates
ArticleAbstract: Trifluoromethyl trifluoromethanethiosulfonate, CF <inf>3</inf>SO <inf>2</inf>SCF <inf>3</inf> was chPalabras claves:Fourier-type expansion, Internal rotational barrier, Natural bond orbital analysis, Quantum chemical calculations, Vibrational spectroscopyAutores:Ben Altabef A., Defonsi Lestard M.E., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Tuttolomondo M.E., Ulic S.E.Fuentes:googlescopusSynthesis, spectroscopic and structural properties of CF3SO 2OCCl3
ArticleAbstract: Trichloromethyl trifluoromethanesulphonate, CF<inf>3</inf>SO <inf>2</inf>OCCl<inf>3</inf>, was prepaPalabras claves:ab initio calculations, DFT calculations, Fourier-type expansion, Internal rotational barrier, Natural bond orbital analysis, Vibrational spectroscopyAutores:Ben Altabef A., Defonsi Lestard M.E., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Tuttolomondo M.E., Ulic S.E.Fuentes:googlescopusBis (trifluoromethyl) sulfone, CF 3 SO 2 CF 3: Synthesis, vibrational and conformational properties
OtherAbstract: Bis (trifluoromethyl) sulfone, CF3SO2CF3, was obtained as a byproduct in the synthesis of CF3SO2SCF3Palabras claves:Fourier-type expansion, Internal rotational barrier, Natural bond orbital analysis, Quantum chemical calculations, Vibrational spectroscopyAutores:Ben Altabef A., Defonsi Lestard M.E., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Tuttolomondo M.E., Ulic S.E.Fuentes:googlescopusAdulteration of clove essential oil: Detection using a handheld Raman spectrometer
ArticleAbstract: Essential oils are highly appreciated substances used as row materials in the food, cosmetics and phPalabras claves:Adulteration, Benzyl alcohol, clove essential oil, Eugenol, Raman spectroscopyAutores:Ciobotə V., Gualpa F., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Paul Vargas JentzschFuentes:googlescopusAlcohol-based solutions for bovine testicular tissue fixation
ArticleAbstract: Tissue fixation, a central element in histotechnology, is currently performed with chemical compoundPalabras claves:bovine, ethanol, fixatives, Formaldehyde, Testis, Tollens reagentAutores:Cabrera N.C., Espinoza J.R., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, P.M. Aponte, Paul Vargas Jentzsch, Pedro Manuel Aponte, Sandoval P.Fuentes:googlescopusAllelopathic properties of Calliandra haematocephala Hassk. extracts and fractions as an alternative for weed management in quinoa and rice crops
ArticleAbstract: In this study, aqueous extracts of Calliandra haematocephala Hassk. leaves and inflorescences were tPalabras claves:Bioassay, dose-response, Field equivalent rate, flavonoids, Germination reduction, quercetin, Radicle elongation reductionAutores:Andújar D., Betty Hernández, DAYANA BORJA, Höglind M., Ingrid Toscano, Luis A. Ramos-Guerrero, Luis Alejandro Ramos, María Lorena Goetschel, Paul Vargas Jentzsch, Rueda-Ayala V.Fuentes:googlescopusAntimicrobial activity of plant-food by-products: A review focusing on the tropics
ReviewAbstract: This review characterizes the antimicrobial potential of agricultural by-products from tropical counPalabras claves:Antibiotic Resistance, antimicrobial activity, essential oils, Minimum Inhibitory Concentration, Phenolics, Tropical plant-food by-productsAutores:Carlosama-Yépez M., Guil-Guerrero J.L., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Moreno C., Ruales P., Zúñiga-Paredes J.C.Fuentes:googlescopusDimers of perhaloacetyl cyanides: CClF2C(O)OC(CN) 2CClF2 and CF3C(O)OC(CN) 2CF 3. Preparation, properties, and spectroscopy
ArticleAbstract: The vapor of the new compound 1,1-dicyano-2-chloro-2,2-difluoroethyl chlorodifluoroacetate, CClF<infPalabras claves:Autores:Beckers H., Ge M.F., Luis A. Ramos-Guerrero, Luis Alejandro Ramos, Romano R.M., Tong S., Ulic S.E., Védova. C.O.D., Willner H.Fuentes:googlescopus