Results 151 to 160 of about 264,579 (261)

Swelling‐Programmed Topographical Guidance for Dynamic Spheroid Self‐Assembly via a Mechanochemical Hydrogel Niche

open access: yesAdvanced Functional Materials, EarlyView.
A swelling‐programmed micropatterned hydrogel guides adherent cells through a controlled transition from cell–matrix anchoring to cadherin‐mediated cell–cell compaction, enabling rapid assembly of high‐viability spheroids with defined size and morphology.
Han Gyeol Nam   +8 more
wiley   +1 more source

Caracoles, dioses, santos y tambores. Expresiones musicales de los pueblos mayas. Dimensión Antropológica Vol. 4 Año 2 (1995) mayo-agosto

open access: yes, 1995
Acuña, René, Introducción al estudio del Rabinal Achí, Centro de Estudios Mayas, México, IIF, UNAM, (Serie Cuadernos: 12),1975.____________, Farsas y representaciones escénicas de los mayas antiguos, Centro de Estudios Mayas, México, IIF, UNAM, (Serie ...
Ruz, Mario Humberto (author)
core  

Achieving High ON State Current through Ferroelectric Polarization‐Dependent Interfacial Resistance Switching in Undoped Orthorhombic HfO2 Films

open access: yesAdvanced Functional Materials, EarlyView.
Ferroelectric tunnel junction devices based on epitaxial undoped ferroelectric HfO2 films demonstrate stable switching endurance of over 106 switching cycles, low write voltages of ±3 V, 16 measured resistance states, and neuromorphic capability.
Markus Hellenbrand   +13 more
wiley   +1 more source

Propuesta teórica sobre la formación ecopedagógica desde la dimensión estética

open access: yes, 2018
La ecopedagogía es una pedagogía que busca estimular a los sujetos parte de una sociedad, con el fin de alcanzar una profunda conexión con el ecosistema natural de nuestro planeta.
Zambrano, Andreina
core  

X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites

open access: yesAdvanced Functional Materials, EarlyView.
We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim   +21 more
wiley   +1 more source

Machine Learning‐Assisted Inverse Design of Soft and Multifunctional Hybrid Liquid Metal Composites

open access: yesAdvanced Functional Materials, EarlyView.
A machine learning framework is presented for inverse design of synthesizable multifunctional composites containing both liquid metal and solid inclusions. By integrating physics‐based modeling, data‐driven prediction, and Bayesian optimization, the approach enables intelligent design of experiments to identify optimal compositions and realize these ...
Lijun Zhou   +5 more
wiley   +1 more source

Descent from a common ancestor restricts exploration of protein sequence space. [PDF]

open access: yesProc Natl Acad Sci U S A
Isakova LH   +4 more
europepmc   +1 more source

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