Results 41 to 50 of about 200,809 (197)

Auto‐Generated Valence States in Electrocatalysts for Boosting Oxygen and Hydrogen Evolution Kinetics in Alkaline Water/Alkaline Seawater/Simulated Seawater/Natural Seawater

open access: yesAdvanced Functional Materials, EarlyView.
This review systematically highlights the latest achievements in mixed‐valence states relevant to hydrogen and oxygen evolution reactions, providing essential insights into future directions and methods for large‐scale practical implementation. This critical review is expected to provide an overview of recent advancements in diverse valence‐state metal
Jitendra N. Tiwari   +4 more
wiley   +1 more source

Fluorination of Silver Phosphate in Nickel Reaction Vessels for Triple Oxygen Isotope Analysis. [PDF]

open access: yesRapid Commun Mass Spectrom
ABSTRACT Rationale Increasingly, more laboratories are measuring the triple oxygen isotope values of phosphate. Standardization is key to having good interlaboratory results. Here, we present the triple oxygen isotope values of a suite of standards using fluorination and compare them with previously reported triple oxygen isotope values. Methods Silver
Wostbrock JAG   +4 more
europepmc   +2 more sources

INTEGRAL observations of Sco X-1: evidence for Comptonization up to 200 keV

open access: yes, 2013
We have analyzed a long-term database for Sco X-1 obtained with the telescope IBIS onboard the INTEGRAL satellite in order to study the hard X-ray behavior of Sco X-1 from 20 up to 200 keV.
Braga, J., D'Amico, F., Maiolino, T.
core   +1 more source

Solvent‐Free Thermal Defect Engineering in Molecular Frameworks With Volatile Linkers

open access: yesAdvanced Materials, EarlyView.
Thermal removal of neutral volatile linkers enables precise and solvent‐free generation of metal vacancies in MOFs. This strategy affords redox‐stable, coordinatively unsaturated FeII sites with tunable spin, ligand coordination, and catalytic behavior. The approach offers a general route to design defect‐functional materials through local coordination
Sonia Martínez‐Giménez   +9 more
wiley   +1 more source

Spectral Investigations of the nature of the Sco X-1 like sources [PDF]

open access: yes, 2012
We present results of spectral investigations of the Sco X-1 like Z-track sources Sco X-1, GX 349+2 and GX 17+2 based on Rossi-XTE observations using an extended accretion disk corona model.
Balucinska-Church, M.   +3 more
core   +3 more sources

4D‐Printed Spin Crossover Metamaterials with Giant Programmable Positive or Negative Thermal Expansion

open access: yesAdvanced Materials, EarlyView.
Spin crossover composite filaments are implemented for the rational design of 4D‐printed mechanical metamaterials. The obtained bi‐material structures guided by a theoretical analysis based on analytical calculations and Finite Element Analysis simulations exhibit giant programmable positive or negative deformation with coefficients of thermal ...
Adelais Trapali   +7 more
wiley   +1 more source

REVISÃO SISTEMÁTICA SOBRE A PREVALÊNCIA DE HEMOCROMATOSE HEREDITÁRIA NO BRASIL E SUA INCLUSÃO NA DOAÇÃO DE SANGUE

open access: yesHematology, Transfusion and Cell Therapy
Objetivo: Sintetizar as evidências sobre a prevalência de Hemocromatose Hereditária (HH) na população brasileira e discutir a inclusão desses doadores na política nacional de doação de sangue, comparando os resultados com a literatura mundial.
LAR Ono, SCO Gilli
doaj   +1 more source

Lycium barbarum polysaccharides prevent memory and neurogenesis impairments in scopolamine-treated rats. [PDF]

open access: yesPLoS ONE, 2014
Lycium barbarum is used both as a food additive and as a medicinal herb in many countries, and L. barbarum polysaccharides (LBPs), a major cell component, are reported to have a wide range of beneficial effects including neuroprotection, anti-aging and ...
Weiwei Chen   +9 more
doaj   +1 more source

U Sco 2010 outburst: observational evidence of an underlying ONeMg white dwarf

open access: yes, 2011
This paper presents U Sco nebular spectra collected in the period March-May 2010 after the binary outburst on Jan 28, 2010. The spectra display strong [Ne V] and [Ne III] lines that can be used to compute the relative abundance of [Ne/O].
Anupama   +39 more
core   +1 more source

Activation of ERBB4 Pathway Inhibits Pathological Transdifferentiation of Lung Epithelial Progenitors into CD66c+ Basal Cells in Severe Lung Injury

open access: yesAdvanced Science, EarlyView.
In fibrotic distal lung regions, CD66c+ basal cells emerge as a pathological state. Using human distal lung organoids, this study identifies CD66c+ basal cells as a pro‐fibrotic state arising through transdifferentiation from secretory, AT2, and basal cells.
Kaijun Lin   +13 more
wiley   +1 more source

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