Results 21 to 30 of about 312,901 (314)

El federalisme i el tribunal de Roberts

open access: yesRevista Catalana de Dret Públic, 2014
Aquest article examina quatre decisions del Tribunal Suprem dels EUA preses durant el període 2011-2013 sota la direcció del president John Roberts en relació amb el federalisme dels EUA.
David Elias Birenbaum
doaj   +1 more source

The LCA Commons—How an Open-Source Repository for US Federal Life Cycle Assessment (LCA) Data Products Advances Inter-Agency Coordination

open access: yesApplied Sciences, 2022
Life cycle assessment (LCA) is a flexible and powerful tool for quantifying the total environmental impact of a product or service from cradle-to-grave.
Ezra Kahn   +2 more
doaj   +1 more source

Epigenetic blind spots – the role of DNA methylation dynamics in stem cell‐based models of embryogenesis

open access: yesFEBS Letters, EarlyView.
Embryo‐like structures (stembryos) are an innovative tool, but they are hindered by experimental variability and limited developmental potential. DNA methylation is crucial for mammalian development, but its status in stembryo models is poorly characterized.
Sara Canil   +4 more
wiley   +1 more source

Major aspects of STEM education based on U.S. government initiatives

open access: yesEducational Challenges
Purpose. The article is devoted to the study and historical and pedagogical analysis of the development and current state of STEM education in the United States of America, and with the identification of features, and significant changes in the ...
Liliya Batyuk
doaj   +1 more source

An unexpected alternative viologen electron mediator site in tungsten‐containing formate dehydrogenase

open access: yesFEBS Letters, EarlyView.
An unexpected alternative interaction site for ethyl viologen was identified in formate dehydrogenase 1 from Methylorubrum extorquens. Combined mutagenesis, kinetic analysis, and docking revealed that aromatic residues near an iron–sulfur cluster enable flavin mononucleotide‐independent electron transfer, offering a framework for engineering improved ...
Eleni G. Poloniataki, Yong Hwan Kim
wiley   +1 more source

AVALIAÇÃO DO IMPACTO REGULATÓRIO E SUA DIFUSÃO NO CONTEXTO BRASILEIRO [PDF]

open access: yesRAE: Revista de Administração de Empresas, 2011
Regulatory Impact Assessment (RIA) is one of the instruments aiming regulatory quality improvement. Research has shown limitationsin RIA diffusion process, particularly in developing countries, due to political forces at work in domestic contexts or to ...
Alketa Peci
doaj  

Design and analysis strategies for robust microbiome ageing research

open access: yesFEBS Letters, EarlyView.
The gut microbiome changes with age and associates with age‐related morbidity and mortality, establishing it as a potential biomarker and intervention target for ageing. Realising this potential requires methodological rigour, yet distinguishing biological signals from methodological artefacts remains challenging across cohorts. This review provides an
Mark Olenik   +5 more
wiley   +1 more source

¿Qué territorio para cuál nación? Soberanías territoriales y rivalidades interprovinciales en el Río de la Plata (1820-1840)

open access: yesNuevo mundo - Mundos Nuevos, 2019
This article deals with the territorial aspects of the fragmentation of sovereignty and analyzes the different territorial configurations resulting from the dismantling of imperial structures in the Rio de la Plata, in order to call into question the ...
Geneviève Verdo
doaj   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Arizona Border Region: Federal Agencies Could Better Utilize Law Enforcement Resources in Support of Wildland Fire Management Activities [PDF]

open access: yes, 2011
A letter report issued by the Government Accountability Office with an abstract that begins "Wildland fires can result from both natural and human causes.
United States Government Accountability Office   +1 more
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