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Diseño de una emulsión Pickering fotoactiva
(2023)Las emulsiones Pickering constituyen un tipo de emulsión estabilizada mediante partículas sólidas en lugar de los convencionales agentes emulsificantes moleculares. Aunque fueron conceptualizadas hace más de un siglo, su ... -
Diterpenes and sesquitrpenes from Mikania banisteriae
(1997)Two new ent-kaurane diterpenes, 18,19-diacetoxy-ent-kaur-16-ene and 17-oxo-ent-kaur-15(16)-en-18-oic acid, were isolated from the aerial parts of Mikania banisteriae, together with the known ent-kauranes ent-kaur-16-en-18-oic ... -
Diterpenes from Fleischmannia hymenophylla and Brickellia laciniata
(1989)The aerial parts of Fleischmannia hymenolepis gave in addition to phytol and sesamin a new derivative of beyerene named hymenophylloide. The aerial parts of Brickellia laciniata afforded several new labdane derivatives and ... -
Dopant-Free Hole-Transport Materials with Germanium Compounds Bearing Pseudohalide and Chalcogenide Moieties for Perovskite Solar Cells
(2020-10-04)Hole-transport materials (HTMs) are key electronic components for the functioning of perovskite solar cells (PSCs) as they extract the photogenerated holes from the perovskite to be transported subsequently to the back ... -
Drying kinetics as Tool for the Assessment of Dynamic Porosity of Catalyst-Support Materials
(2018)Critical drying fraction data (xc) were obtained for a series of porous materials, frequently used as supports for heterogeneous catalysts. This kinetic parameter correlates well with the secondorder rate constants for ... -
Dye‐sensitized Devices: Photovoltaic and Photoelectrolytic Applications
(2018-11)Dye‐sensitized approach along with stability and surface robustness in titanium dioxide (TiO2) against photocorrosion and degradation has been widely studied and applied in several important applications. This chapter ... -
Ecotoxicological analysis during the removal of carbofuran in fungal bioaugmented matrices
(2016-02)Biomixtures are used for the removal of pesticides from agricultural wastewater. As biomixtures employ high content of lignocellulosic substrates, their bioaugmentation with ligninolytic fungi represents a novel approach ... -
Effect on cell growth, viability and migration of geraniol and geraniol-containing essential oil from Lippia alba (Verbenaceae) on gastric carcinoma cells
(2021)Natural products used to treat cancer, or as leads for the development of preventive and co-adjuvant treatment strategies, are still a current approach. We studied the effect of essential oils from the medicinal plant ... -
Efficient syntheses of streptocarpone and (±)-a-dunnione
(2007)An efficient divergent synthesis of both streptocarpone and racemic α-dunnione from lawsone are described. A one-pot, formal [3+2] cyclization to form a furanonaphthoquinone directly provided a common intermediate. -
Elaboración de un lubricante potencialmente biodegradable de uso industrial a partir de quitosano, aceite de ricino y aditivos antioxidantes de origen natural
(2023-09-07)En la actualidad, la tecnología de los lubricantes se enfoca hacia la protección del medio ambiente. Sin embargo, la mayoría de los actuales lubricantes de uso industrial están conformados por aceites minerales como matriz ... -
Electrochemical biosensor for quantitative determination of fentanyl based on immobilized cytochrome c on multi-walled carbon nanotubes modified screen-printed carbon electrodes
(2022)Fentanyl is a powerful synthetic opioid used to treat severe pain. New administration routes toward its illegal consumption for recreational purposes pose a growing threat to public health, either due to misuse or abuse ... -
Electrochemical determination of novel psychoactive substances by differential pulse voltammetry using a microcell for boron-doped diamond electrode and screen-printed electrodes based on carbon and platinum
(2021)25B-NBOMe, benzylpiperazine (BZP), 1-(3-chlorophenyl)piperazine (mCPP), and N,N-dimethyltryptamine (DMT) are potent hallucinogenic and stimulant drugs which have emerged as novel psychoactive substances (NPS). The ... -
Empleo de técnicas y materiales biológicos en la búsqueda de productos activos contra la malaria
(2001)Se describen los métodos empleados en el estudio del efecto de extractos de insectos preparados en el Instituto Nacional de Biodiversidad de Costa Rica, sobre un tipo de malaria murina producida por el Plasmodium bergheim. ... -
Ent-clerodane derivatives and other constituents from representatives of the subgenus ageratina
(1989)Ageratina ixiocladon afforded several p-hydroxyacetophenone derivatives and diterpenes including six new ent-clerodanes. Two further species, which are also placed in the subgenus Ageratina, gave p-hydroxyacetophenone ... -
Ent-clerodane derivatives from chromolaena connivens
(1989)The aerial parts of Chromolaena connivens afforded in addition to widespread compounds four ent-clerodane derivatives and two epimeric prostaglandin-like acids. A second species, C. turnariensis, only gave widespread ... -
Environmental Chemistry Group and Environmental Mineralogy Group Hold First Joint Meeting
(2018-08-01)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 ...