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421
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 -
422
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. …”
Enlace del recurso
Tesis -
423
Efecto de la aplicación de yodo sobre el metabolismo redox y expresión génica en tomate (Solanum lycopersicum L.).
Publicado 2017“…ABSTRACT Iodine is considered a non-essential element for terrestrial plants, but in humans the iodine is essential for the metabolism of the thyroid and for the development of cognitive abilities. A lot of researches have been carried out with the purpose of increasing the concentration of iodine in plants of large consumption, obtaining good results such as shown in potato, cabbage, tomato, lettuce, spinach, among others, give great potential to mitigate the deficit in the intake of this element. …”
Enlace del recurso
Tesis -
424
Efecto de la aplicación de yodo sobre el metabolismo redox y expresión génica en tomate (Solanum lycopersicum L.).
Publicado 2017“…ABSTRACT Iodine is considered a non-essential element for terrestrial plants, but in humans the iodine is essential for the metabolism of the thyroid and for the development of cognitive abilities. A lot of researches have been carried out with the purpose of increasing the concentration of iodine in plants of large consumption, obtaining good results such as shown in potato, cabbage, tomato, lettuce, spinach, among others, give great potential to mitigate the deficit in the intake of this element. …”
Enlace del recurso
Tesis -
425
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 -
426
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 -
427
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 -
428
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 -
429
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 -
430
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 -
431
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 -
432
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 -
433
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 -
434
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 -
435
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 -
436
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 -
437
Diversidad y productividad en etapas pioneras y tardías de la sucesión ecológica del matorral espinoso tamaulipeco en el noreste de México
Publicado 2005“…In this research the diversity and production was measured in 15 plots placed in the Tamaulipan thornscrub. Plots were placed in a productivity gradient at five sites with three replicates. …”
Enlace del recurso
Tesis -
438
Diversidad y productividad en etapas pioneras y tardías de la sucesión ecológica del matorral espinoso tamaulipeco en el noreste de México
Publicado 2005“…In this research the diversity and production was measured in 15 plots placed in the Tamaulipan thornscrub. Plots were placed in a productivity gradient at five sites with three replicates. …”
Enlace del recurso
Tesis -
439
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.…”
Enlace del recurso
Conjunto de datos. -
440
Pollen-Mediated Gene Flow in Maize: Implications for Isolation Requirements and Coexistence in Mexico, the Center of Origin of Maize
Publicado 2015“…At each site, pollen source plots were planted with a yellow-kernel maize hybrid and surrounded by plots with a white-kernel conventional maize hybrid (pollen recipient) of the same maturity. …”
Enlace del recurso
Artículo