Results 21 to 30 of about 17,397 (161)
Cromatografía en capa fina (TLC) [PDF]
, 2023 Las técnicas de separación cromatográficas, son métodos de separación de múltiples etapas en los que los componentes de una muestra se distribuyen entre dos fases, una de las cuales es estacionaria y la otra móvil.
Quiroga, Pablo
core
International Journal of Microbiology, Volume 2018, Issue 1, 2018., 2018 Background. Chronic periodontitis is a multifactorial infectious disease, where multiple bacteria, such as Porphyromonas gingivalis, Prevotella intermedia, and Fusobacterium nucleatum are implicated. The main purpose of researching natural products is to find substances or compounds with antimicrobial activity. Aim.
Fredy Gamboa +6 more
wiley +1 more source
Spasmolytic and Antibacterial Activity of Two Citrus sinensis Osbeck Varieties Cultivated in Mexico
Evidence-Based Complementary and Alternative Medicine, Volume 2017, Issue 1, 2017., 2017 Antibacterial activity on ATCC strains of Escherichia coli, Salmonella enterica, Salmonella enteritidis, and Salmonella choleraesuis and spasmolytic effect on contraction on rat ileum trips were determinate. Eight organic extracts (hexanic and methanolic) of albedo (mesocarp) and flavedo (pericarp) of two varieties (Valencian and National) of Citrus ...
Amanda Sánchez-Recillas +5 more
wiley +1 more source
International Journal of Polymer Science, Volume 2016, Issue 1, 2016., 2016 Polyhydroxyalkanoates (PHAs) are biodegradable and biocompatible plastics. They are synthesized by a wide variety of microorganisms (i.e., fungi and bacteria) and some organisms such as plants, which share characteristics with petrochemical‐based plastics.
Javier Ricardo Gómez Cardozo +4 more
wiley +1 more source
, 2023 En el Ecuador el uso de pesticidas y otros productos químicos organoclorados que podrían ocasionar riesgos considerables a la salud no se encuentra debidamente regulados.
Alemán Michilena, Paola Belén
core +1 more source
Immobilization of NTPDase‐1 from Trypanosoma cruzi and Development of an Online Label‐Free Assay
Journal of Analytical Methods in Chemistry, Volume 2016, Issue 1, 2016., 2016 The use of IMERs (Immobilized Enzyme Reactors) as a stationary phase coupled to high performance chromatographic systems is an interesting approach in the screening of new ligands. In addition, IMERs offer many advantages over techniques that employ enzymes in solution.
Felipe Antunes Calil +6 more
wiley +1 more source
Overview of garlic waste management, circular economy and upcycling
Revista de la Facultad de Ciencias AgrariasIn the last three years, 2 billion tonnes of untreated and dismissed agricultural wastes have been accumulated without adequate management of reuse or final disposal, resulting in dumping or burning. The circular economy concept has gained increasing
Juan Pablo Heredia Martín +2 more
doaj +1 more source
Análisis toxicológico y mortalidad asociada al Carfentanilo
Biociencias, 2023 Introducción: la detección del Carfentanilo, un opioide peligroso, es crítica debido a su aparición en otras drogas y su alta potencia. Su consumo conlleva una serie de efectos negativos como depresión respiratoria, hipotensión, bradicardia y disminución
Gabriel Andrés Corzo Vega +3 more
doaj +1 more source
Advanced Optical Materials, Volume 12, Issue 36, December 20, 2024.The preparation and detailed characterization of four rare‐earth(III) based coordination polymers (CPs) showing high photoluminescence quantum yields in solid state is reported. These compounds present good water solubility that renders brightly emitting solutions and good dispersibility into thin‐films.
Laura Razquin‐Bobillo +4 more
wiley +1 more source
BioMed Research International, Volume 2014, Issue 1, 2014., 2014 Promastigote forms of Leishmania amazonensis were treated with different concentrations of two fractions of Curcuma longa cortex rich in turmerones and their respective liposomal formulations in order to evaluate growth inhibition and the minimal inhibitory concentration (MIC).
Ana Claudia F. Amaral +8 more
wiley +1 more source