Results 161 to 170 of about 813,850 (375)

Tunable Catalysis of Water to Peroxide with Anionic, Cationic, and Neutral Atomic Au, Ag, Pd, Rh, and Os [PDF]

open access: yesarXiv, 2014
Fundamental anionic, cat-ionic, and neutral atomic metal predictions utilizing density functional theory calculations validate the recent discovery identifying the interplay between the resonances and the RT minimum obtained through complex angular momentum analysis as the fundamental atomic mechanism underlying nano-scale catalysis.
arxiv  

Encapsulation of Small Extracellular Vesicles into Selectively Disassemblable Shells of PEGylated Metal‐Phenolic Networks

open access: yesAdvanced Healthcare Materials, EarlyView.
Small extracellular vesicles (sEVs) are encapsulated into protective shells composed of metal‐phenolic networks (MPNs) and secondary poly(ethylene glycol) layers. This surface modification approach enhances the storage stability of sEVs while maintaining their integrity and functionality. The shells can be selectively disassembled under mild conditions.
Chenyu Wang   +8 more
wiley   +1 more source

Raman-assisted crystallography reveals end-on peroxide intermediates in a nonheme iron enzyme [PDF]

open access: yesScience, American Association for the Advancement of Science, 2007, pp.449-53, 2014
Iron-peroxide intermediates are central in the reaction cycle of many iron-containing biomolecules. We trapped iron(III)-(hydro)peroxo species in crystals of superoxide reductase (SOR), a nonheme mononuclear iron enzyme that scavenges superoxide radicals.
arxiv  

Tri‐Layered Bioactive Cutaneous Scaffold with Integrated Bioactive Metal Organic Frameworks to Promote Full‐Thickness Infected Diabetic Wound Healing: Multifaceted Therapeutic Strategies

open access: yesAdvanced Healthcare Materials, EarlyView.
The limitations of existing clinical treatments highlight the need for a more comprehensive strategy for addressing infected diabetic wounds. A tri‐layered scaffold is developed to deliver therapeutics loaded in CuBDC and ZIF‐8 MOFs that are tailored to the requirements of deep‐infected diabetic wounds.
Ayse Gunyakti Mujtaba   +8 more
wiley   +1 more source

Lead-oxygen closed-loop battery system [PDF]

open access: yes, 1975
Calculations show that battery can deliver up to 35 watt-hours per pound, conventional lead-acid batteries deliver 10 to 15 watt-hours per pound. Weight reduction is due to replacement of solid lead-peroxide electrodes with metal current-collector screen,
Boshers, W. A.   +2 more
core   +1 more source

Dynamics of immersed molecules in superfluids

open access: yes, 2001
The dynamics of a molecule immersed in a superfluid medium are considered. Results are derived using a classical hydrodynamic approach followed by canonical quantization.
Helminger P.   +3 more
core   +1 more source

Advanced Materials for Biological Field‐Effect Transistors (Bio‐FETs) in Precision Healthcare and Biosensing

open access: yesAdvanced Healthcare Materials, EarlyView.
This review explores how advanced materials enhance Bio‐FETs for precision healthcare and biosensing. It covers their working principles, surface functionalization, and ultra‐sensitive detection capabilities. The integration of flexible designs, AI, and IoT for real‐time monitoring is discussed, along with challenges like material reproducibility and ...
Minal Pandey   +5 more
wiley   +1 more source

Design criteria monograph for liquid propellant gas generators [PDF]

open access: yes, 1974
Monograph reviews and assesses current design practices, and from them establishes firm guidance for achieving greater consistency in design, increased reliability in end product, and greater efficiency in design effort.

core   +1 more source

β‐1,3 Glucan Microparticles & Nanoparticles: Fabrication Methods & Applications in Immunomodulation & Targeted Drug Delivery

open access: yesAdvanced Healthcare Materials, EarlyView.
Beta‐glucans have gained significant attention as an immunomodulatory biomaterial with cell‐targeting capabilities. This review comprehensively outlines the design and fabrication methods for producing beta‐glucan particles at both the micro and nanoscale and their applications in immune cell targeting, immunomodulation, and drug delivery ...
Nate Dowdall, Todd Hoare
wiley   +1 more source

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