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441
Incremento en el control de la formación de placa empleando clorhexidina incorporada en nanopartículas poliméricas: estudio clínico y microbiológico.
Publicado 2018“…The study population was divided into 4 groups: A: polymeric nanoparticles containing 0.12% CHX (experimental), B: 0.12% CHX formulation without encapsulation (positive control), C: water with PVA (negative control) D: nanoparticles without CHX (negative control). …”
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Tesis -
442
Aprovechamiento de polimeros biodegradables para la remoción de metales pesados y colorantes a nivel laboratorio
Publicado 2007“…Abstract The removal of metals and dyes toxics from effluents generated by mine, metallurgy, textile industries, is an important challenge to diminished one of the major causes of water and soil pollution. Several methods have been proposed to remove pollutants (physical, chemical and biological); biosorbents based on polysaccharides are currently an interesting alternative due their own characteristics: they are obtained of naturals, renewable and biodegradable sources. …”
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Tesis -
443
Estudio geobiológico de la formación La Virgen y sus facies transicionales en los Potreros de Menchaca y La Virgen, Coahuila.
Publicado 2018“…This analysis also indicates that Potrero de Menchaca was probably deposited under a calm shallow-water leeward lagoon with restricted circulation. …”
Enlace del recurso
Tesis -
444
Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo.
Publicado 2017“…Stage 1: Extraction of secondary metabolites of two weeds invasive P, hysterophorus L. y A. artemisiifolia L. using two methods of extraction; by incubation in hybridization oven and ultrasound assisted extraction with ethanol and distilled water as solvents. The method and solvent with more extraction of total polyphenols in the two plants was: Method of incubation with ethanolic solvent; which was applied to concentrations 1.5, 3.5 and 6.5% in bioassays of germination and foliar aspersion in five plant species; Zea mays, Phaseolus vulgaris, Sorghum bicolor, Xanthium strumarium y Helianthus annuus. …”
Enlace del recurso
Tesis -
445
Evaluación de diversidad, distribución e importancia económica de la familia Agavaceae en el Noreste de México
Publicado 2009“…There is little contribution in to the scientific and technological field in the northeast states, probably due to ignorance and lack of interest in better knowing this natural resource with its high potentiality and sustainability, shown through its adaptation to low water provision and endurance to extreme weather. …”
Enlace del recurso
Tesis -
446
Estudio geobiológico de la formación La Virgen y sus facies transicionales en los Potreros de Menchaca y La Virgen, Coahuila.
Publicado 2018“…This analysis also indicates that Potrero de Menchaca was probably deposited under a calm shallow-water leeward lagoon with restricted circulation. …”
Enlace del recurso
Tesis -
447
Manejo de herbicidas sintéticos y extractos vegetales para controlar malezas en cultivos básicos: maíz, frijol y sorgo.
Publicado 2017“…Stage 1: Extraction of secondary metabolites of two weeds invasive P, hysterophorus L. y A. artemisiifolia L. using two methods of extraction; by incubation in hybridization oven and ultrasound assisted extraction with ethanol and distilled water as solvents. The method and solvent with more extraction of total polyphenols in the two plants was: Method of incubation with ethanolic solvent; which was applied to concentrations 1.5, 3.5 and 6.5% in bioassays of germination and foliar aspersion in five plant species; Zea mays, Phaseolus vulgaris, Sorghum bicolor, Xanthium strumarium y Helianthus annuus. …”
Enlace del recurso
Tesis -
448
Evaluación de diversidad, distribución e importancia económica de la familia Agavaceae en el Noreste de México
Publicado 2009“…There is little contribution in to the scientific and technological field in the northeast states, probably due to ignorance and lack of interest in better knowing this natural resource with its high potentiality and sustainability, shown through its adaptation to low water provision and endurance to extreme weather. …”
Enlace del recurso
Tesis -
449
Desarrollo de un proceso estandarizado de fermentación láctica de frijol (Phaseolus vulgaris) var. pinto americano para producción de un ingrediente tecnofuncional.
Publicado 2018“…The fermentation of the bean, natural and induced by LAB, improved the water absorption capacity and emulsifying functional properties, but it decreased the foaming properties of the product. …”
Enlace del recurso
Tesis -
450
Desarrollo de un proceso estandarizado de fermentación láctica de frijol (Phaseolus vulgaris) var. pinto americano para producción de un ingrediente tecnofuncional.
Publicado 2018“…The fermentation of the bean, natural and induced by LAB, improved the water absorption capacity and emulsifying functional properties, but it decreased the foaming properties of the product. …”
Enlace del recurso
Tesis -
451
Caracterización química y biológica de extractos crudos de la semilla de Ebenopsis ebano (ébano)
Publicado 2008“…In the present work the seeds were evaluated chemical and biologicaly determining the contribution of macronutriments, soluble water and metanol compounds, expressed as: total polyphenols, derivates of polyphenols, antioxidant, antibiotic, antitumoral and immunoregulatory activity. …”
Enlace del recurso
Tesis -
452
Caracterización química y biológica de extractos crudos de la semilla de Ebenopsis ebano (ébano)
Publicado 2008“…In the present work the seeds were evaluated chemical and biologicaly determining the contribution of macronutriments, soluble water and metanol compounds, expressed as: total polyphenols, derivates of polyphenols, antioxidant, antibiotic, antitumoral and immunoregulatory activity. …”
Enlace del recurso
Tesis -
453
Tourists perceptions of Caribbean islands facing environmental threats before the COVID-19 health crisis: Holbox Island and Archipelago of Bocas del Toro
Publicado 2022“…Data from the tourists´ surveys were analyzed by summing up the number of responses for each answer category of each survey question. All information was plotted into bar charts. To further explore the differences between the responses of tourists in Holbox and ABT.…”
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Conjunto de datos. -
454
Una crítica a las políticas capitalistas que obstaculizan la documentación y comunicación científica deportiva pública
Publicado 2013“…Penrose, 2004, p. 1050; Harnad, 1994), because if this intervention of capitalistic Corporations-States within science and public universities and education would be still allowed, what is at stake is not only the privatization and commodification of public information-communication, but also of all the commons of public domain, e.g. water, air, democracy, education, libraries, etc. …”
Enlace del recurso
Artículo -
455
A global-scale screening of non-native aquatic organisms to identify potentially invasive species under current and future climate conditions
Publicado 2021“…The 1730 screenings undertaken encompassed wide geographical areas (regions, political entities, parts thereof, water bodies, river basins, lake drainage basins, and marine regions), which permitted thresholds to be identified for almost all aquatic organismal groups screened as well as for tropical, temperate and continental climate classes, and for tropical and temperate marine ecoregions. …”
Enlace del recurso
Artículo -
456
Temporal relationship of serum markers and tissue damage during acute intestinal ischemia/reperfusion
Publicado 2013“…The superior mesenteric artery was clamped for 30 minutes, and blood and biopsies were collected at 1, 3, 6, 12, 24, and 48 hours after reperfusion. We plotted the mean ¡ standard deviation and compared the baseline and maximum values for each marker using Student’s t-test. …”
Enlace del recurso
Artículo -
457
Yellowtail kingfish, from larvae to mature fish – problems and opportunities
Publicado 2019“…Yellowtail kingfish (Seriola lalandi) are found in temperate waters of the Pacific andIndian oceans, off South Africa, Japan, and the US. …”
Enlace del recurso
Artículo -
458
Pycnogonids associated with the giant lion´s-paw scallop Nodipecten subnodosus (Sowerby) in Ojo de Liebre Bay, Guerrero Negro, Baja California Sur, Mexico
Publicado 2015“…Pycnogonum rickettsi is recorded for first time from Mexican waters, as is Nymphon lituus from the western coast of Baja California Peninsula. …”
Enlace del recurso
Artículo -
459
Distributional and Ecological Notes on the Halfbeaks of Eastern Gulf of Mexico, with a Provisional Key for Their Identifification
Publicado 1997“…We here report additional Mexican records of H. meeki, previously known only from United States waters and from the coast of Yucathn, clarify the distribution of H. unifasciatus, and provide the first marine record of the freshwater species H. mexicanus. …”
Enlace del recurso
Artículo -
460
Diagnóstico prenatal no invasivo de aneuploidías fetales a partir de la determinación del perfil proteómico del suero materno.
Publicado 2019“…Analizar el perfil proteómico del suero del segundo trimestre de embarazadas con feto aneuploide (trisomía 13, 18, 21 o Turner) y comparar con el de embarazos sanos, y mujeres no embarazadas, utilizando nanocromatografía líquida de ultra rendimiento (Micromass Q-TOF Waters®) para proponer potenciales biomarcadores.…”
Enlace del recurso
Tesis