Results 131 to 140 of about 971,458 (308)

Crack Repair in Hydroxyapatite Bioceramics Using an Ultraviolet Ultrafast Laser

open access: yesAdvanced Materials Interfaces, EarlyView.
The study proposes an ultrafast ultraviolet laser approach to repair hidden tooth cracks, which has been preliminarily validated on HAP. Moreover, this technique aims to strengthen the native enamel structure rather than introducing a foreign filling material.
Yan Xue   +6 more
wiley   +1 more source

Do biometric payment systems work during the COVID-19 pandemic? Insights from the Spanish users' viewpoint. [PDF]

open access: yesFinanc Innov, 2022
Liébana-Cabanillas F   +3 more
europepmc   +1 more source

The international payments system and farm exports [PDF]

open access: yes
Payment systems ; Farm produce ...
Darryl R. Francis
core  

One‐Step Fabrication of Highly Transparent Superhydrophobic Coatings Via Atmospheric Pressure Radio Frequency Plasma Deposition

open access: yesAdvanced Materials Interfaces, EarlyView.
Atmospheric‐pressure RF plasma deposition enables the fabrication of transparent, superhydrophobic coatings with anti‐reflective functionality. Process optimization yields high optical transmittance, robust environmental stability, and self‐cleaning properties.
Sultan S. Ussenkhan   +7 more
wiley   +1 more source

Selling Federal Reserve payment services: one price fits all? [PDF]

open access: yes
Federal Reserve banks ; Payment ...
John A. Weinberg
core  

From the Discovery of the Giant Magnetocaloric Effect to the Development of High‐Power‐Density Systems

open access: yesAdvanced Materials Technologies, EarlyView.
The article overviews past and current efforts on caloric materials and systems, highlighting the contributions of Ames National Laboratory to the field. Solid‐state caloric heat pumping is an innovative method that can be implemented in a wide range of cooling and heating applications.
Agata Czernuszewicz   +5 more
wiley   +1 more source

End‐to‐End Sensing Systems for Breast Cancer: From Wearables for Early Detection to Lab‐Based Diagnosis Chips

open access: yesAdvanced Materials Technologies, EarlyView.
This review explores advances in wearable and lab‐on‐chip technologies for breast cancer detection. Covering tactile, thermal, ultrasound, microwave, electrical impedance tomography, electrochemical, microelectromechanical, and optical systems, it highlights innovations in flexible electronics, nanomaterials, and machine learning.
Neshika Wijewardhane   +4 more
wiley   +1 more source

Case Studies on Globalisation and Money Laundering

open access: yesRevista de Economía y Estadística, 2008
Financial globalization has greatly improved the efficiency of capital transfers around the world, with the cost of facilitating criminal money laundering activities.
Eckhard Freyer
doaj  

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