Results 81 to 90 of about 22,985 (265)

Rotation of Crystal Seed During Early Stages of Growth Reveals the Anisotropy of Glass Matrix

open access: yesAdvanced Science, EarlyView.
Molecular dynamics simulations reveal that crystal seeds can spontaneously rotate within glass at high temperatures due to anisotropic forces at the glass‐crystal interface. This rotation challenges the long‐held view of glass as an isotropic solid and highlights how atomic‐scale inhomogeneities can influence crystal growth and microstructure of LiNbO3‐
R. Thapa   +4 more
wiley   +1 more source

Glasses, ceramics, and composites from lunar materials [PDF]

open access: yes
A variety of useful silicate materials can be synthesized from lunar rocks and soils. The simplest to manufacture are glasses and glass-ceramics. Glass fibers can be drawn from a variety of basaltic glasses.
Beall, George H.
core   +1 more source

Intracellular Reactive Oxygen Species Generation Induced by High‐Frequency Ultrasound in Thickness Vibration Mode

open access: yesAdvanced Science, EarlyView.
Cell‐sized high‐frequency ultrasound using a lithium niobate transducer, previously ignored in reactive oxygen species (ROS) production, generated intracellular ROS at frequencies higher than conventionally used. The intracellular generation of ROS by cell‐sized high‐frequency ultrasound revealed in this study is expected to be applied to innovative ...
Kotaro Fujishiro   +4 more
wiley   +1 more source

Characterization of Grain Boundaries in Superplastically Deformed Y-TZP Ceramics [PDF]

open access: yes, 1994
The effects of compressive deformation on the grain boundary characteristics of fine-grained Y-TZP have been investigated using surface spectroscopy, impedance analysis, and transmission electron microscopy.
Boutz, M.M.R.   +6 more
core   +3 more sources

Bifunctional Artificial Enzymes‐Loaded Microgels With LOX‐ and CAT‐Like Activities for Metabolic Reprogramming and Scarless Wound Repair

open access: yesAdvanced Science, EarlyView.
A bifunctional lactate oxidase‐like and catalase‐like artificial enzyme (Metazyme) is integrated into a rod‐shaped microgel (MetaRgel) to enable cascade lactate oxidation and oxygen regeneration. By reprogramming the wound metabolic microenvironment, MetaRgel alleviates excessive lactate accumulation, oxidative stress, hypoxia, and inflammation ...
Yongyuan Kang   +9 more
wiley   +1 more source

Crystallization, Microstructure, and Viscosity Evolutions in Lithium Aluminosilicate Glass-Ceramics

open access: yesFrontiers in Materials, 2016
Lithium aluminosilicate glass-ceramics have found widespread commercial success in areas such as consumer products, telescope mirrors, fireplace windows, etc.
Qiang Fu   +4 more
doaj   +1 more source

????????? ??????????????? ?????? ??????????????? ?????? ??????????????? [PDF]

open access: yes, 2018
Department of Energy Engineering (Battery Science and Technology)The continuous throng in demand for high energy density rechargeable batteries innovatively drives technological development in cell design as well as electrochemically active materials. In
Jeong, Dae-Hyeon
core  

Oxometalate-glass composites and thin films [PDF]

open access: yes, 1990
New glass-composites with ion exchange properties have been developed. Ammonium 12-molybdophosphate (AMP) (ΝΗ4)3ΡΜοΐ2θ4ο, and ammonium 12-tungstophosphate (AWP) (Nh4)3PW12O40, known for their ion exchange capabilities, are included either in preformed ...
Bein, Thomas   +2 more
core   +1 more source

Ultrasound Activated Piezoelectric Dural Patches to Drive Endogenous Neural Stem Cell–Mediated Repair Traumatic Brain Injury

open access: yesAdvanced Science, EarlyView.
This study presents a wireless, non‐invasive strategy for neural repair by developing a biodegradable piezoelectric dural patch that, under transcranial ultrasound, generates localized electrical fields to drive endogenous neural stem cells toward neuronal differentiation and functional integration.
Pengbo Zhou   +7 more
wiley   +1 more source

Proposal for a lunar tunnel-boring machine [PDF]

open access: yes
A need exists for obtaining a safe and habitable lunar base that is free from the hazards of radiation, temperature gradient, and micrometeorites. A device for excavating lunar material and simultaneously generating living space in the subselenian ...
Allen, Christopher S.   +4 more
core   +1 more source

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