Results 21 to 30 of about 49,109 (164)

Residuos de plaguicidas en mora (Rubus glaucus Benth.) en el Valle del Cauca, Colombia

open access: yesAgronomía Mesoamericana, 2022
Introducción. La mora (Rubus glaucus) es una fruta muy susceptible a la contaminación por residuos de plaguicidas en su etapa de producción. Por tal razón, los análisis de residuos de plaguicidas en esta fruta tienen importancia para promover procesos ...
Yorley Beatriz Lagos-Alvarez   +3 more
doaj   +1 more source

Antimicrobial Activity of Piper marginatum Jacq and Ilex guayusa Loes on Microorganisms Associated with Periodontal Disease

open access: yesInternational 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

Purificación y caracterización de lipopolisacáridos de Eikenella corrodens 23834 y Porphyromonas gingivalis W83

open access: yesRevista Colombiana de Biotecnología, 2014
La purificación de lipopolisacáridos (LPS) o endotoxinas y su caracterización es un aspecto esencial para estudios que buscan aclarar el papel de estas biomoléculas de bacterias Gram negativas presentes en la cavidad oral y su relación con enfermedades ...
Diego Fernando Gualtero Escobar   +5 more
doaj   +1 more source

Spasmolytic and Antibacterial Activity of Two Citrus sinensis Osbeck Varieties Cultivated in Mexico

open access: yesEvidence-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

Production and Characterization of Polyhydroxyalkanoates and Native Microorganisms Synthesized from Fatty Waste

open access: yesInternational 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

Co-ocurrencia de microorganismos y sus metabolitos tóxicos en productos alimenticios infantiles

open access: yesRevista U.D.C.A Actualidad & Divulgación Científica, 2015
La importancia de la alimentación en infantes hace cada vez más necesario el establecimiento de medidas de control que garanticen un consumo seguro de los alimentos.
Liliana Rojas C.   +2 more
doaj   +3 more sources

Determinación de compuestos del aceite de oliva virgen relacionados con enfermedades cancerígenas y neurodegenerativas [PDF]

open access: yes, 2019
El aceite de oliva virgen (AOV) es el zumo extraído del fruto del olivo, uno de los alimentos más populares y recomendados en el marco de una dieta saludable.
Salas Arias, Tania
core  

Immobilization of NTPDase‐1 from Trypanosoma cruzi and Development of an Online Label‐Free Assay

open access: yesJournal 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

open access: yesRevista de la Facultad de Ciencias Agrarias
In 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

Documentación de la técnica de cromatografía de gases en el análisis de hidrocarburos alifáticos en aguas residuales [PDF]

open access: yes, 2012
En el presente documento se compilan los aportes bibliográficos en el estudio de la técnica de cromatografía de gases aplicada al análisis de hidrocarburos alifáticos en aguas residuales.
Montoya Pavi, Sergio Alejandro   +1 more
core  

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