Results 211 to 220 of about 12,889 (259)

Blood Biomarkers and Surface‐Enhanced Raman Spectroscopy for Gout: A Comprehensive Review

Advanced Functional Materials, EarlyView.
Schematic illustrating gout disease progression from asymptomatic hyperuricemia to chronic tophaceous disease, highlighting the limitations of conventional imaging and biochemical diagnostics and the potential of engineered SERS platforms for ultrasensitive blood‐based detection of urate‐related biomarkers across disease stages, with the color gradient
Isuri Perera, Chiranjeevi Kanike, Appurva Tiwari, Hongyan Wu, Larry D. Unsworth, Ben Bin Xu, Xuehua Zhang   +6 more
wiley   +1 more source

Ultrasmall High‐Entropy Materials: Nanoscale Effects, Synthesis, and Mechanistic Insights

Advanced Functional Materials, EarlyView.
This review article focuses on sub‐10 nm high‐entropy materials that combine nanoscale design with complex compositions for next‐generation applications. ABSTRACT Ultrasmall high‐entropy nanomaterials (USHENMs, <10 nm) merge multicomponent chemistry with size‐dependent effects, forming a distinct class of materials with unprecedented properties.
Yueyue He, Wenbo Wang, Simon Schweidler, Yanjiao Ma, Ben Breitung, Torsten Brezesinski   +5 more
wiley   +1 more source

Pickering‐Engineered Microparticles for Magnetically Guided Motion and Light‐Triggered Catalysis

Advanced Functional Materials, EarlyView.
Magnetically responsive wax microparticles stabilized by hematite cubes through the Pickering emulsification strategy are developed, showing controlled size, motion, and light‐activated catalytic activity. Annealing under a magnetic field enhances their mobility and steering.
Chiara Ferlito, Ludovico Guercio, Giuseppe Cavallaro, Giuseppe Lazzara, Theodore Hueckel, Lorenzo Lisuzzo, Stefano Sacanna   +6 more
wiley   +1 more source

Advancing Tandem Organic Solar Cells With Ternary Acceptor Control for High‐Power Modules and Solar‐to‐Ammonia Conversion

Advanced Functional Materials, EarlyView.
Tandem organic solar cells with optimized ternary acceptor engineering achieved a power conversion efficiency of 15.53% and enabled a high‐voltage mini‐module (Voc 6.11 V). Integration into a bias‐free PV‐EC system further demonstrated efficient solar‐to‐ammonia (STA) conversion (97% Faradaic Efficiency, 4± 2% STA efficiency), highlighting scalable ...
Seyeong Song, Ahmad Tayyebi, Meysam Tayebi, Jungwoo Heo, Jiwoo Yeop, Dohun Yuk, Na Gyeong An, Jaewon Lee, Gi‐Hwan Kim, Maria del Carmen Gimenez Lopez, Ji‐Wook Jang, Jin Young Kim   +11 more
wiley   +1 more source

Toward Fast Proton Shuttling in Acidic Oxygen Evolution Reaction

Advanced Functional Materials, EarlyView.
This review establishes proton transfer dynamics as a descriptor governing acidic OER activity, moving beyond the kinetic constraints derived from the proton coupled electron transfer. We discuss how deprotonation governs classical mechanisms, including adsorbate evolution mechanism (AEM), lattice oxygen mechanism (LOM) and oxide path mechanism (OPM ...
Ashish Gaur, Jaeyeong Kim, Sungwook Mhin, HyukSu Han   +3 more
wiley   +1 more source

The impact of financing constraints on investment.

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External Financing and Financing Constraints

SSRN Electronic Journal, 2005
We look at how firms conduct external financing policies under financing constraints. Rather than focusing on leverage ratios to understand debt and equity issuance decisions, we look at the substitution effect between internal and external financing in the firm's investment optimization problem.
Heitor Almeida, Murillo Campello
openaire   +1 more source

Specialization, Productivity, and Financing Constraints

Review of Financial Studies, 2010
We analyze optimal fi nancial contracts when the specifi city of investments is endogenous. Specialization decreases the liquidation value of assets, but it also improves the project's long term productivity. While the first eff ect is known to make financing more difficult, we show that the second eff ect can ease financing constraints and increase fi
Robert Marquez, M. Deniz Yavuz
openaire   +2 more sources

Taxing Externalities Under Financing Constraints [PDF]

The Economic Journal, 2013
We consider an economy where production generates externalities, which can be reduced by additional firm level expenditures. This requires firms to raise outside financing, leading to deadweight loss due to a standard agency problem vis-a-vis outside investors.
Hoffmann, Florian, Inderst, Roman, Moslener, Ulf   +2 more
openaire   +1 more source

Crowdfunding, Financing Constraints, and Real Effects

Management Science, 2020
We study the feasibility and optimal design of presale crowdfunding contracts where participating consumers pay a premium above the future expected spot price and financially constrained entrepreneurs balance the potential product–market distortions introduced through presale crowdfunding against the cost of traditional external financing.
Praveen Kumar 0004, Nisan Langberg, David Zvilichovsky   +2 more
openaire   +1 more source