Results 141 to 150 of about 62,271,634 (307)

Hydrophobic MFI‐Type Zeolites via Alkali‐Cation‐Induced Defect Healing: Implications for Adsorbent and Catalyst Design

open access: yesAdvanced Materials, EarlyView.
Sub‐stoichiometric amounts of Na+ or K+ enhance defect healing during Silicalite‐1 (MFI) and TS‐1 calcination by promoting Si–O–Si annealing and healing framework vacancies. The resulting defect‐free zeolites are more hydrophobic and show improved butanol/water separation and improved activity and selectivity in the epoxidation of 1‐hexene, offering a ...
Christos Kanteler   +14 more
wiley   +1 more source

Specific Position of Halogen in Crystalline TADF Scintillators Enables Efficient Triplet Harvesting Through Vibrational Modulation of Spin–Orbit Coupling

open access: yesAdvanced Materials, EarlyView.
Specific ortho‐halogenation transforms crystalline TADF emitters into efficient organic scintillators. Fluorine reduces the effective singlet–triplet separation, while chlorine combines near‐degenerate excited states with vibrational modulation of spin–orbit coupling.
Illia E. Serdiuk   +8 more
wiley   +1 more source

Aid and Growth What Meta-Analysis Reveals [PDF]

open access: yes
Some recent literature in the meta-analysis category where results from a range of studies are brought together throws doubt on the ability of foreign aid to foster economic growth and development.
Finn Tarp, Tseday Jemaneh Mekasha
core  

Descriptors to Dynamics: A Materials and Device Perspective on in‐Materio Physical Reservoir Computing for Neuromorphic Edge Intelligence

open access: yesAdvanced Materials, EarlyView.
Intrinsic material dynamics are harnessed as computational resources for neuromorphic in‐materio physical reservoir computing. Defects, ionic motion, interfaces, percolation, geometry, and biasing shape transient states that provide fading memory, nonlinearity, and high‐dimensional projection for simple readout. A descriptor‐to‐dynamics framework links
Kshitij RB Singh   +5 more
wiley   +1 more source

Meta-analysis

open access: yes, 2011
This RLO provides an introduction to the basic concepts of meta-analysis, which is an important and valuable tool for summarising data from multiple studies.

core  

Cartilla Plan de Desarrollo 2021-2025 : “Hacia la Acreditación de Alta Calidad”– UNIMETA

open access: yes
El Plan de Desarrollo de la Corporación Universitaria del Meta - UNIMETA es el resultado de responder tres preguntas: ¿Qué somos? ¿Qué queremos ser? ¿Hacia dónde vamos?
Fagua Carabuena, Yazmin Alexandra   +3 more
core   +1 more source

Controlled Synthesis of Tri‐ and Multi‐Doped Graphene

open access: yesAdvanced Materials Interfaces, EarlyView.
This review systematically evaluates synthesis routes for tri‐ and multi‐doped graphene, from hydrothermal and pyrolysis methods to flash Joule heating, critically assessing how each governs dopant incorporation, bonding configuration, and resulting electronic properties.
Maria Hasan   +4 more
wiley   +1 more source

Photoluminescence Reshaping via Structural Confinement and Local Density of Optical States Control in Ir(III)‐Doped Biodegradable Metasurfaces

open access: yesAdvanced Materials Technologies, EarlyView.
Phosphorescent biodegradable metasurface showing vibronic selection and spectral photoluminescence narrowing. Anti‐correlation between experimental LDOS and measured lifetimes. ABSTRACT Metasurfaces incorporating phosphorescent emitters offer a route to engineer radiative and vibronic processes beyond chemical design.
Vincenzo Caligiuri   +11 more
wiley   +1 more source

Enhancement of Circular Dichroism in Chiral Dielectric Metasurfaces by Ion Beam Irradiation

open access: yesAdvanced Optical Materials, EarlyView.
Ion beam irradiation enables post fabrication tuning of dissipative losses in chiral dielectric metasurfaces composed of C4 symmetric silicon nanostructures. By tailoring the absorption toward critical coupling condition, circular dichroism is enhanced from 0.70 to 0.85, demonstrating a versatile route for maximizing optical chirality and polarization ...
Anna Fitriana   +6 more
wiley   +1 more source

Wastewater-Based Epidemiology for Infectious Disease Surveillance: A Systematic Review and Meta-Analysis Focused on SARS-Cov-2, with Narrative Synthesis for Other Pathogens [PDF]

open access: yesJournal of Environmental Health and Sustainable Development
Introduction: Wastewater-based epidemiology (WBE) has emerged as a valuable approach for environmental management and public health surveillance. By detecting viral RNA and biomarkers in wastewater, WBE provides community-level early warning signals that
Soleiman Forouzandeh   +2 more
doaj  

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