Results 141 to 150 of about 3,693,698 (259)

Self‐Assembled Crystalline Peptoid Nanomaterials as Metal‐Free Enzyme Mimics for Enhanced Carbon Dioxide Hydration and Precipitation

open access: yesAdvanced Functional Materials, EarlyView.
Inspired by metal‐free carbonic anhydrases (CAs) that achieve efficient catalysis without metal cofactors, we herein report a sequence‐defined supramolecular peptoid platform that mimics metal‐free CAs and exhibits hydrolytic activity via a supramolecular assembly‐mediated proton‐transfer mechanism.
Progyateg Chakma   +8 more
wiley   +1 more source

Jóvenes y adolescentes en conflicto con la ley penal. Recorridos y trayectorias en el sistema de administración de justicia. Villa María. 2010-2011 [PDF]

open access: yes, 2011
Fil: Coniglio, Noelia. Universidad Nacional de Villa María; Argentina.Fil: Salinas, Celeste, . Universidad Nacional de Villa María; Argentina.Fil: Pellizari, Rosa, . Universidad Nacional de Villa María; Argentina.Fil: Brusasca, Hercilia, .
Flores, María Elena
core  

Utilizing the Metastability of Spidroins as a Strategy for Improving Mechanical Properties of Biomimetic Spider Silk Fibers

open access: yesAdvanced Functional Materials, EarlyView.
Phase transitions are central for the assembly of recombinant silk proteins into fibers. Soluble protein can transition into condensed states such as condensates and gels. These states are metastable and evolve in a time‐dependent way. Metastability depends on the protein sequence, and this relationship can be used to enhance the mechanical properties ...
Fred‐Eric Sammalisto   +5 more
wiley   +1 more source

Histiocitosis de células de Langerhans ósea a forma poliostótica.A propósito de un caso

open access: yesMedisur, 2019
Se presenta el caso de un paciente masculino de 39 años de edad, con antecedentes de buena salud aparente que fue ingresado en la sala de clínica oncológica, por presentar dolores articulares en región costal, cervical y lumbo sacra que le dificultaban ...
Jorge César Pedroso Delgado   +3 more
doaj  

Periodismo gráfico: nueva alternativa para informarse sobre salud en Villa María [PDF]

open access: yes, 2018
Fil: Dubois, Daniela. Universidad Nacional de Villa María; Argentina.Fil: Corradini, Mariana. Universidad Nacional de Villa María; Argentina.Fil: Coirini, María Florencia. Universidad Nacional de Villa María; Argentina.Fil: Díaz, María Sol.
Díaz, María Sol
core  

Dynamic Loading Regulates Meniscus‐Like Matrix Production in Human Mesenchymal Stromal Cell‐Seeded PET Scaffolds

open access: yesAdvanced Healthcare Materials, EarlyView.
Dynamic compression enhances mesenchymal stromal cell proliferation in nonwoven PET scaffolds under chondrogenic differentiation conditions and triggers mechanosensitive transcriptional programs associated with extracellular matrix remodeling. These findings highlight the potential of mechanically stimulated PET scaffolds as a promising platform for ...
Graciosa Quelhas Teixeira   +8 more
wiley   +1 more source

A Hybrid Bioprinting–Microfabrication Approach to Controllable Multitype Spheroid Arrays for Modeling Tumor Heterogeneity

open access: yesAdvanced Healthcare Materials, EarlyView.
This work introduces a “cancer‐in‐a‐well” technology that recreates tumor heterogeneity in vitro using multitype spheroid arrays. Combining bioprinting/microdispensing with microstructured culture devices, the system improves drug screening and modeling of tumor complexity.
Simone Bonetti   +10 more
wiley   +1 more source

Ultrafast Vertical Organic Electrochemical Transistors With Ion‐Permeable Conductive Polymer Top Electrodes

open access: yesAdvanced Materials, EarlyView.
Vertical organic electrochemical transistors (vOECTs) are limited in speed by ion‐impermeable metal electrodes that slow ion injection. Using ion‐permeable PBFDO top electrodes allows direct vertical ion injection into BBL channels, achieving high current densities (>400 A cm−2), large on/off ratios (>106), and ultrafast switching in 28 µs. This sets a
Han‐Yan Wu   +14 more
wiley   +1 more source

Estrés en cuidadores informales de niños con síndrome de Down en una institución educativa especial

open access: yesRevista Cubana de Medicina Militar
Introducción: El cuidado informal de niños con síndrome de Down implica una carga física y emocional que puede generar elevados niveles de estrés en sus cuidadores. Este fenómeno repercute en su bienestar y en la calidad del cuidado brindado. Objetivo:
José Merlin Quille Ticona   +5 more
doaj  

Las políticas públicas de empleo juvenil, el caso del programa JMYMT en Villa María

open access: yes, 2017
Fil: Armenta, María Corina.
Armenta, María Corina
core  

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