Results 11 to 20 of about 803,607 (186)

The Reactive Extrusion Cationization of Starches as a Novel Physicochemical Surface Modification Method. [PDF]

open access: yesBiopolymers
Native starches from different botanical sources were cationized by reactive extrusion using 3% glycidyltrimethylammonium chloride (GTAC). The process, performed under controlled thermal zones, promoted the incorporation of quaternary ammonium groups onto the starch backbone.
Posada-Vélez MC   +4 more
europepmc   +2 more sources

Gut Microbiota Diversity and Function in Adults With Type 2 Diabetes, Alzheimer's Disease, and Both Conditions. [PDF]

open access: yesInt J Microbiol
Introduction Type 2 diabetes mellitus (T2DM) is known to increase the risk of Alzheimer’s disease (AD), but the role of the gut microbiota in this relationship is not fully understood. This study investigated the gut microbiota profiles of adults with T2DM, adults with AD, both conditions (AD–T2DM), and healthy controls to identify patterns associated ...
Rodríguez-Rosas AM   +10 more
europepmc   +2 more sources

Hematology, Biochemistry Reference Intervals, and Morphological Description of Peripheral Blood Cells for a Captive Population of Crocodylus intermedius in Colombia

open access: yesFrontiers in Veterinary Science, 2021
The Orinoco crocodile (Crocodylus intermedius, Graves, 1918) is the most threatened crocodilian of South America. There is only scarce information available about the physiology of this neotropical crocodile.
Steven Barajas-Valero   +5 more
doaj   +1 more source

Caracterización de safenectomía menor por insuficiencia en Colombia: seguimiento de 3 a 5 años

open access: yesRevista Mexicana de Angiolog�a, 2023
Antecedentes: La safenectomía de vena safena menor y varicectomía son una opción de manejo viable para las várices. En Colombia, existen pocos estudios que hagan seguimiento a largo plazo. Se evaluó el resultado a largo plazo, síntomas y recurrencias de safenectomía de safena menor. Objetivo: Determinar las características sociodemográficas, clínicas y
Martha O. Correa-Posada   +4 more
openaire   +2 more sources

Different fattening systems of Iberian pigs according to the 1-alkene hydrocarbon content in the subcutaneous fat

open access: yesGrasas y Aceites, 2009
The n-Alkene content in samples of subcutaneous fat corresponding to 755 castrated male Iberian pigs has been determined by an off-line combination of HPLC and GC method.
I. Viera-Alcaide   +4 more
doaj   +1 more source

Echeandia cholulensis (Asparagaceae), una especie nueva del centro de México

open access: yesActa Botanica Mexicana, 2021
Antecedentes y Objetivos: El género Echeandia (Asparagaceae) agrupa geófitas que caracterizan la flora de México. El grupo es endémico de América e incluye 85 especies, 74 de las cuales han sido encontradas en México y 63 son endémicas de este país.
Aarón Rodríguez   +1 more
doaj   +1 more source

A Methodological Approach for Assessing Soil Salinity Hazard in Irrigated Areas. Case Study: The rut Irrigation District, Colombia [PDF]

open access: yes, 2015
Se desarrolló una metodología para la evaluación y mapeo de la amenaza de salinización de suelos en distritos de riego de Colombia, con base en la concentración y tipo de sales en el agua de riego.
Angulo Rojas, Paola Andrea   +3 more
core   +2 more sources

Ajuste de un modelo matemático de adsorción/desorción de un inhibidor de escamas inorgánicas

open access: yesRevista Fuentes El Reventón Energético, 2019
Durante el proceso de extracción del petróleo, se pueden precipitar compuestos minerales o cristales en los poros de las vecindades del pozo y/o en las tuberías por efecto de los cambios termodinámicos del yacimiento o de las ...
Carlos Eduardo Estupiñan Lopez   +2 more
doaj   +1 more source

Morphological and Genetic Variation in Monocultures, Forestry Systems and Wild Populations of Agave maximiliana of Western Mexico: Implications for Its Conservation

open access: yesFrontiers in Plant Science, 2020
Forestry systems in Mexico are examples of traditional management of land and biodiversity that integrates the use, conservation and restoration of forest elements.
Dánae Cabrera-Toledo   +7 more
doaj   +1 more source

A methodology for the characterization of land use using medium-resolution spatial images [PDF]

open access: yes, 2018
Introducción: La caracterización de los usos del suelo representa uno de los insumos indispensables para el manejo de los recursos naturales a diferentes escalas.
Gandini, Marcelo Luciano   +4 more
core   +1 more source

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