Browsing Química by Title
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Uncovering the Cultivable Microbial Diversity of Costa Rican Beetles and Its Ability to Break Down Plant Cell Wall Components
(2014)Coleopterans are the most diverse insect order described to date. These organisms have acquired an array of survival mechanisms through their evolution, including highly efficient digestive systems. Therefore, the coleopteran ... -
Unusual Microbial Xylanases from Insect Guts
(2004-06-07)Recombinant DNA technologies enable the direct isolation and expression of novel genes from biotopes containing complex consortia of uncultured microorganisms. In this study, genomic libraries were constructed from microbial ... -
UPLC-HRMS Polyphenolic Characterization, Contents and Antioxidant Activity of Zingiber officinale Roscoe rhizomes from Costa Rica
(2022)Zingiber offcinale Roscoe rhizomes have been associated with multiple health benefits, such as blocking blood clotting, digestive and antinausea effects and aid in respiratory conditions. These effects have been linked ... -
Use of a theoretical prediction method and quantum chemical calculations for the design, synthesis and experimental evaluation of three green corrosion inhibitors for mild steel
(2020)Three phenylmethanimine derivatives (Schiff bases) were designed after a theoretical prediction of their corrosion inhibition efficiencies and a corroboration through the use of quantum chemical calculations. The molecules ... -
Using Student Profiles to Motivate and Understand How to Attract Women to Computer Science
(2020)This article reports how to build and analyze student profiles to influence the perception that girls and young women have of the profession, and of the diverse work opportunities that exist in Computer Science in Costa ... -
El Uso de Plaguicidas en América Latina: Tendencias e implicaciones ambientales (Memoria Encargada)
(1988)The current demand for pesticides in Latin America exceeds US $ 2000 million in value. Up to 1990, consumption is expected to rise by 7 to 12%. The use of pesticides has been fully accepted in Lati America as a readily ... -
Validación de un método para cuantificación de acetaminofén en tabletas de 500 mg por espectrofotometría ultravioleta para la prueba de uniformidad de contenido
(2016-07-07)El presente artículo contiene los detalles de la validación del método analítico para la cuantificación de acetaminofén, en este caso para aplicar a la prueba de uniformidad de contenido a tabletas de 500 mg, por la técnica ... -
Visiting the ALS synchrotron in Berkeley, California
(2018-04-17)Este blog describe las actividades académicas de los integrantes del Geomicro Group de la University of Manchester, Reino Unido, liderado por el Prof. Jonathan Lloyd. Esta publicación en particular, fue escrita por Agustín ... -
(+)-α-copaen-8-one and other constituents from Neomirandea species
(1989)The investigation of five Neomirandea species gave two known entclerodanes, a heliangolide, a cadinene and a new copaene derivative as well as some widespread compounds. -
β-Carboline monoterpenoid glucosides from Palicourea adusta
(1999)Lyaloside, a monoterpenoid glucoindole alkaloid, was isolated from the leaves of Palicourea adusta together with a mixture of its hydroxycinnamic acid derivatives, (E)-O-(6′)-cinnamoyl-4″-hydroxy-3″-methoxy-lyaloside and ... -
μ2-Chlorido-chlorido(μ2-4-{[2-(diethylamino)ethyl]imino}pent-2-en-2-olato)bis(tetrahydrofuran-κO)cobalt(II)lithium
(2018)The crystal structure of the title compound, [CoLi(C11H21N2O)Cl2(C4H8O)2], has monoclinic symmetry and comprises one heterometallic binuclear complex molecule in the asymmetric unit. The Co2+ cation is bonded to one oxygen ...