Results 31 to 40 of about 1,645,255 (259)

Effects of Incubation and Rearing Temperatures on Caiman latirostris Growth [PDF]

open access: yes, 2010
Different studies found that incubation temperature has an influence on the size of Caiman latirostris hatchlings and determines their gonadal sex. Experimental manipulations revealed that the effects of temperature on growth are independent of sex ...
Larriera, Alejandro   +3 more
core  

Hybrid sol-gel coatings containing clay nanoparticles for corrosion protection of mild steel [PDF]

open access: yes, 2016
The development of a new environment-friendly anticorrosive coating for mild steel substrate is afforded in this work. The combined use of cerium, as a self-healing agent, and clay nanoparticles, as improvers of the barrier properties, was considered to ...
Ceré, Silvia   +4 more
core   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

open access: yesFEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes   +3 more
wiley   +1 more source

Una mirada al logro educativo mexicano en lenguaje, matemáticas y ciencias

open access: yesEntreciencias: Diálogos en la Sociedad del Conocimiento, 2018
El objetivo de esta contribución es determinar la asociación entre los factores personales, contextuales y tecnológicos con el logro educativo en estudiantes de Educación Media Superior en México.
Catalina María Rodriguez-Pichardo   +1 more
doaj   +4 more sources

El pensamiento variacional en el estudio de las relaciones trigonométricas: una mirada desde los libros de texto

open access: yesRevista Científica, 2013
Con base en un análisis de los Lineamientos Curriculares, los Estándares Básicos de Competencia y algunos estudios e investigaciones sobre la variación asociada al estudio de la trigonometría plana, decidimos aplicar la técnica del análisis de contenido ...
Ferney Tavera Acevedo   +1 more
doaj   +1 more source

A substitute name for Turdus serranus unicolor Olrog & Contino [PDF]

open access: yes, 2008
Fil: Fraga, Rosendo Manuel. Provincia de Entre Ríos. Centro de Investigaciones Científicas y Transferencia de Tecnología a la Producción. Universidad Autónoma de Entre Ríos.
Dickinson, Fraga, Rosendo Manuel
core  

The role of different parameters of synthesis in the final structure of Ti-containing mesoporous materials [PDF]

open access: yes, 2008
Ti-containing mesoporous materials have been prepared by hydrothermal synthesis at 373 K and compared to pure siliceous MCM-41 synthesized in the same conditions.
Chanquia, Corina Mercedes   +3 more
core   +1 more source

An upstream open reading frame regulates expression of the mitochondrial protein Slm35 and mitophagy flux

open access: yesFEBS Letters, EarlyView.
This study reveals how the mitochondrial protein Slm35 is regulated in Saccharomyces cerevisiae. The authors identify stress‐responsive DNA elements and two upstream open reading frames (uORFs) in the 5′ untranslated region of SLM35. One uORF restricts translation, and its mutation increases Slm35 protein levels and mitophagy.
Hernán Romo‐Casanueva   +5 more
wiley   +1 more source

Rural education in Colombia: experiences and perspectives

open access: yesPráxis Pedagógica, 2017
This article presents a reflection about the situation of the rural education in Colombia, its contributions to the education, its relation with the education in technologies and some educational experiences in the municipality of Ciudad Bolívar. 
Martha Lucia Carrero Arango   +1 more
doaj   +1 more source

Family-specific degenerate primer design: a tool to design consensus degenerated oligonucleotides [PDF]

open access: yes, 2013
Designing degenerate PCR primers for templates of unknown nucleotide sequence may be a very difficult task. In this paper, we present a new method to design degenerate primers, implemented in family-specific degenerate primer design (FAS-DPD) computer ...
Borio, Cristina Silvia   +5 more
core   +3 more sources

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