Results 21 to 30 of about 7,696 (277)

Espai, context i creativitat : aprenentatge de les matemàtiques [PDF]

open access: yes, 2017
L'ensenyament de les matemàtiques implica l'adquisició d'habilitats de planificació matemàtica i la capacitat d'identificar les matemàtiques en els contexts.
Font González, Jordi   +4 more
core   +2 more sources

Homologous expression and purification of human HAX‐1 for structural studies

open access: yesFEBS Open Bio, EarlyView.
This research protocol provides detailed instructions for cloning, expressing, and purifying large quantities of the intrinsically disordered human HAX‐1 protein, N‐terminally fused to a cleavable superfolder GFP, from mammalian cells. HAX‐1 is predicted to undergo posttranslational modifications and to interact with membranes, various cellular ...
Mariana Grieben
wiley   +1 more source

Influencia del diámetro y color de plantillas reductoras de la superficie de proyección de los colorímetros en la medida del color de una superficie [PDF]

open access: yes, 2008
En los colorímetros que existen en el mercado, la luz se recoge mediante un tubo de cierto diámetro y los valores de las coordenadas cromáticas que da el medidor son una media de las obtenidas en dicha superficie.
Alcalde Moreno, Manuel   +3 more
core   +2 more sources

Navigating new norms: a systematic review of factors for the development of effective digital tools in higher education

open access: yesFEBS Open Bio, EarlyView.
What factors make for an effective digital learning tool in Higher Education? This systematic review identifies elements of a digital tool that published examples reveal to be features of an engaging and impactful digital tool. A systematic literature search yielded 25 research papers for analysis.
Akmal Arzeman   +4 more
wiley   +1 more source

Adaptable materials via retraining

open access: yes, 2021
Elastic metamaterials are often designed for a single permanent function. We explore the possibility of altering a material's function repeatedly through a self-organization, "training" process, controlled by applied strains. We show that the elastic function can be altered numerous times, though each new trained task imprints a memory. This ultimately
openaire   +2 more sources

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

open access: yesFEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso   +4 more
wiley   +1 more source

Antibiofilm activity of a chionodracine‐derived peptide by NMR‐based metabolomics of cell‐free supernatant of Acinetobacter baumannii clinical strains

open access: yesFEBS Open Bio, EarlyView.
KHS‐Cnd peptide is able to impair biofilm formation and disaggregate mature biofilms in Acinetobacter baumannii clinical isolates. Differences in extracellular metabolites reflect changes in biofilm metabolism due to KHS‐Cnd treatment. Among the differentially represented extracellular metabolites upon KHS‐Cnd treatment, the significantly altered ...
Fernando Porcelli   +9 more
wiley   +1 more source

Bistable Mechanisms 3D Printing for Mechanically Programmable Vibration Control

open access: yesAdvanced Engineering Materials, EarlyView.
This work introduces a 3D‐printed bistable mechanism integrated into tuned mass dampers (TMDs) for mechanically adaptive passive vibration suppression. Through optimized geometry, the bistable design provides adaptable vibration reduction across a broad range of scenarios, achieving effective vibration mitigation without complex controls or external ...
Ali Zolfagharian   +4 more
wiley   +1 more source

Sostenibilitat en el disseny, construcció i ús d'un edifici de vivendes a Barcelona [PDF]

open access: yes, 2010
A Europa, els edificis sostenibles concentren majors lloguers i majors taxes de creixement que els convencionals. Aquests edificis energèticament més eficients augmenten les seves tasses d’ocupació un 66% més per m2. No obstant a Espanya, la demanda d'
Peralta Romero, Arnau
core  

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