Resultados de búsqueda - ( (facetas OR tutorial) OR ( (alto OR have) OR ((factos OR fact) OR acto) ))*
Materias dentro de su búsqueda.
Materias dentro de su búsqueda.
- 52
- México 38
- Mexico 29
- innovación 17
- educación 13
- Innovación 12
- comunicación 12
- estudiantes 12
- democracia 11
- motivación 11
- democracy 10
- educación superior 10
- human rights 10
- COVID-19 9
- I23 9
- communication 9
- derechos humanos 9
- género 9
- higher education 9
- shrimp 9
- tecnología 9
- Democracia 8
- Democracy 8
- Educación 8
- Latin America 8
- Nuevo León 8
- Pymes 8
- competencias 8
- comunicación política 8
- education 8
-
3861
Procesamiento y estudio preliminar de un material compuesto de matriz AlSi₁₀Mg reforzado con nanopartículas de Ti mediante aleado mecánico.
Publicado 2020“…The results obtained from the wear resistance made in the sintered samples show that with the 5N load there is a greater wear than with the 1N and 3N loads and that the grinding hours and the addition of the NPTsTi have a significant impact in the results. The results of the Vickers hardness show that with the addition of the nano particles and with the sintered one, it decreases; on the other hand, through the SEM and DRX the creation of new phases such as magnesium oxide and titanium oxide was observed in addition to observing some pores in certain microstructures. …”
Enlace del recurso
Tesis -
3862
Obtención y evaluación de péptidos bioactivos de recursos vegetales subutilizados con potencial agroalimentario
Publicado 2018“…Obtaining bioactive peptides from the extensive and sequential enzymatic hydrolysis (using Alcalase and Flavourzyme) of protein isolates obtained from defatted flours of amaranth, quinoa and chia, turns out to be an interesting strategy for the use of these residues, which may have beneficial effects on some physiological function. …”
Enlace del recurso
Tesis -
3863
Metabolomic and biodirected phytochemical study of Hechtia glomerata, evaluation of its antibacterial and cytotoxic activity, and determination of the mechanism of action of one ac...
Publicado 2020“…Plants’ natural products have always been a source for bioactive and structurally complex compounds and could represent a solution to these emerging health problems. …”
Enlace del recurso
Tesis -
3864
Control del crecimiento de Vibrio cholerae por productos naturales de plantas
Publicado 2007“…The requirement of new, effective and accessible medicines, the development of multiantibiotic resistance in bacteria as well as the development of natural food preservatives, have induced the study of plants as alternatives for active antimicrobial compounds. …”
Enlace del recurso
Tesis -
3865
Actividad antimicrobiana de compuestos polifenólicos provenientes de extractos de cáscaras de nuez contra Salmonella sp aplicados en el proceso de comercialización de melón (Cucumi...
“…In addition, it results in a hard removing microorganism and there have been developed strategies to eliminate contamination of melons such as sanitizers, but these chemical products could get stuck and remain after the washing, changing the melon sensorial properties. …”
Enlace del recurso
Tesis -
3866
Factores que determinan la asociación del insecto productor de grana fina (Dactylopius coccus Costa) (HOMOPTERA: DACTYLOPIIDAE) a diferentes especies de opuntia y nopalea
Publicado 2008“…This natural pigment is currently highly demanded worldwide due to its high stability, colouring power and because it is harmless to humans. Several studies have demonstrated that cochineal does not infest all forms or species of cactus pear, not even all the varieties within a single species. …”
Enlace del recurso
Tesis -
3867
Utilización de imágenes de satélite de alta resolución como alternativa al uso de ortofotos en el manejo forestal
Publicado 2005“…The methodologies were based on the employment of images of satellite of high resolution which have been validated using the traditional materials (aerial photographic) that served to describe the distribution of the forest resources of the area and to make a comparison as for the quality of the obtained information of these two materials. …”
Enlace del recurso
Tesis -
3868
Análisis de estrategias didácticas, para la comprensión de la problemática ambiental, a través de temas selectos, en la materia de biología III, en el nivel medio superior de la Un...
“…In scientific investigation the student will be presented with an enigmatic situation about an environmental problem either by explaining it verbally or using illustrations through multimedia tools, and he/she will have to respond to a series of questions posed by the teacher. …”
Enlace del recurso
Tesis -
3869
Conducta financiera en estudiantes de administración de empresas, universidad de Cundinamarca Facatativá
Publicado 2022“…As for the results, these showed that: 1. Students have on average a purchasin power equivalent to a legal minimum wage for the year 2020 in Colombia, for consumption and meeting basic needs; 2. …”
Enlace del recurso
Artículo -
3870
Análisis del mecanismo de muerte celular inducido por nanopartículas de oro recubiertas con quitosano en células leucémicas K562 y CEM: implicación de las especies reactivas de oxí...
Publicado 2018“…Recent studies show that both gold nanoparticles (AuNPs) and chitosan have interesting biological activities including potential antitumor effects. …”
Enlace del recurso
Tesis -
3871
Caracterización fisicoquímica de un polímero obtenido a partir de tibicos (Kéfir de agua) y su evaluación como agente encapsulante de Bacillus thuringiensis.
Publicado 2018“…This technological tool has also been applied to the formulation of biological control agents, especially microbial agents because it provides the right conditions for greater persistence and effectiveness in the environment, as well as also have products with a longer shelf life. Looking for new formulations at a low cost and using spray-drying, this work focused on obtaining and physicochemical characterization of the polymer matrix produced by water kefir, as well as its evaluation as an agent of the complex spore glass encapsulant of B. thuringiensis. …”
Enlace del recurso
Tesis -
3872
Análisis geométrico y cinemático de pliegues relacionados a fallas que representan análogos de trampas de hidrocarburos en el Golfo de México.
Publicado 2017“…By developing and analyzing different geological sections, it is possible to visualize the behavior of the gypsum bodies and corroborate, in a preliminary way, that the main structure in the area can be a fold nucleated by evaporite rocks, having then a system of shortening without pre-existing structures but with the presence of large packages of evaporitic rocks in depth. …”
Enlace del recurso
Tesis -
3873
Incorporación de extracto de aloe vera en nanopartículas para estimulación de osteoblastos.
Publicado 2018“…Aloe vera has proven to have the ability to repair or regenerate soft and hard tissues. …”
Enlace del recurso
Tesis -
3874
Evaluación de extractos de Hippocratea excelsa, Glychirriza glabra y Urtica dioica en bacterias de interés odontológico.
Publicado 2018“…ABSTRACT INTRODUCTION: The most prevalent oral diseases worldwide are caries and periodontal disease, in both of which infectious components are involved, so the related bacteria are of vital importance for the development of the disease, which is why is important the development of substances that have activity against the bacteria that cause these diseases and that are within reach of the population. …”
Enlace del recurso
Tesis -
3875
Obtención y caracterización fitoquímica de extractos vegetales y su evaluación antimicótica para su aplicación en odontopediatría.
Publicado 2018“…In recent years, strains of resistant or susceptible yeast have been isolated to antifungals, which is why new treatments for these infections must be developed. …”
Enlace del recurso
Tesis -
3876
Los residuos 32 y 36 de la hélice 2 del homeodominio de Antennapedia son necesarios para la interacción con TFIIEβ y para su especificidad funcional en D. melanogaster.
Publicado 2018“…ABSTRACT: Homeoproteins contain the conserved homeodomain (HD) and have an important role determining embryo body plan during development. …”
Enlace del recurso
Tesis -
3877
Respuesta antioxidante de Yarrowia lipolytica en ausencia del gen CAT3
Publicado 2018“…ABSTRACT The oxidative stress defined as an unbalance between the production of reactive oxygen species and antioxidant defense. They have identified 6 antioxidant defense genes in Yarrowia lipolytica (Yl), of these CAT3 gene presents the highest expression levels as a response to oxidative stress suggesting its participation in the antioxidant defense first line in this specie. …”
Enlace del recurso
Tesis -
3878
Estudio de la muerte celular inducida por el Immunepotent CRP® en líneas celulares de cáncer de mama y su efecto en combinación con ciclofosfamida o epirubicina.
Publicado 2018“…Afterwards, we evaluated cell inhibition, cell death, and cell morphology of nonconstant and constant ratio combinations with cyclophosphamide or epirubicin, which have been demonstrated to induce ROS production through mitochondrial damage. …”
Enlace del recurso
Tesis -
3879
Polimorfismos rs6265 y rs7934165 del gen BDNF y su asociación con fenotipos de obesidad en mujeres postmenopáusicas
Publicado 2018“…Moreover, several studies have shown that some polymorphisms of the BDNF gene are linked to obesity. …”
Enlace del recurso
Tesis -
3880
Taxonomía, distribución e importancia de las algas de Nuevo León
Publicado 2018“…ABSTRACT The continental algae of Mexico have been studied since 1843, but many states remain unexplored or with scarce register. …”
Enlace del recurso
Tesis