Results 61 to 70 of about 8,418 (256)

Engineering Local Polar Frustration in Lead‐Free Dielectric Ceramics for Ultrahigh Normalized Energy Storage Performance

Advanced Functional Materials, EarlyView.
Local polar frustration is engineered to stabilize an ergodic relaxer through nanoscale multiphase coexistence, suppressing long‐range ferroelectric order while preserving high polarization. This strategy delivers ultrahigh low‐field normalized energy density (Wa >0.020 mC cm−2), exceptional thermal stability, and a transferable design principle for ...
Hareem Zubairi, Muhammad Wasim, Songhao Fu, Xiaojiao Liu, Annette K Kleppe, Zhilun Lu, Antonio Feteira, Diming Xu, Joseph C.A. Prentice, Ge Wang   +9 more
wiley   +1 more source

The effect of altered pH on push-out bond strength of biodentin, glass ionomer cement, mineral trioxide aggregate and theracal [PDF]

Stomatološki glasnik Srbije, 2015
Throughout the history of dentistry, a wide variety of materials such as gold-foil, silver posts, amalgam, zinc oxide eugenol, glass ionomer cements, mineral trioxide aggregate have been used as retrograde fillings.
Makkar Sameer, Vashisht Ruchi, Kalsi Anita, Gupta Pranav   +3 more
doaj  

Push-out bond strength of a new bioceramic-based root canal sealer [PDF]

Journal of Dental Materials and Techniques
Objective: The present study aimed to evaluate the bond strength of Sure-Seal Root as a new bioceramic-based sealer, and compare it with other sealers, including an epoxy resin-based sealer (AH-Plus), zinc oxide eugenol (ZOE) and a mineral trioxide ...
Amir Ardalan Abdollahi, seyyed Amir Seyyedi, Ayda khodaie, Nafiseh Najm Afshar   +3 more
doaj   +1 more source

Effect of Calcium Hydroxide Mixed with Different Vehicles on the Push-Out Bond Strength of Mineral Trioxide Aggregate [PDF]

Journal of Mashhad Dental School, 2017
Introduction: The aim of this in vitro study was to evaluate the effect of calcium hydroxide mixed with different vehicles on the push-out bond strength of mineral trioxide aggregate.
Mohamad Frough Reyhani Reyhani, Vahid Zand, Mahlegha Izadimehr   +2 more
doaj   +1 more source

Bio‐Inspired Artificial Ionic Mechanoreceptor

Advanced Functional Materials, EarlyView.
A skin‐inspired artificial mechanoreceptor based on ionic interactions is presented for biomimetic tactile sensing. Pressure‐driven ionic redistribution within microfluidic channels generates a self‐powered electrical signal without external bias. The generated waveform exhibits mechanoreceptor‐like temporal features, including overshoot and undershoot,
Mohammad Akbari, Jeppe Don, Lasse A. N. Pedersen, John Noee, Rassoul Tabassian   +4 more
wiley   +1 more source

CO2‐to‐CO Conversion in a Gas‐Fed, Zero‐Gap, PEM Electrolyzer Enabled by Polycations and Nitrogen‐Doped Carbon‐Supported Cobalt Nanoparticles

Advanced Functional Materials, EarlyView.
A gas‐fed, zero‐gap, PEM CO2 electrolyzer is realized by incorporating PDDA+ ions onto the carbonaceous Co/N‐C electrocatalyst, with gaseous H2 and CO2 fed into the anode and cathode, respectively. Operating without an aqueous electrolyte, the system sustains a peak FECO of 65.1% at 100 mA cm−2. ABSTRACT Electrochemical carbon dioxide reduction (ECO2R)
Yuen Leong Chow, Hsi‐Wen Wu, Aimin Li, Yalou Guo, Duhong Chen, Jie Zhang, Paul A. Webley   +6 more
wiley   +1 more source

The effect of post space irrigation protocol and adhesive strategy on push out bond strength to radicular dentin: A network meta-analysis [PDF]

Journal of Research in Clinical Medicine
Introduction: Establishing an effective bond with root dentin remains a complex task, with bond strength diminishing from the coronal to the apical third as a result of reduced dentinal tubule density and limited access to light curing instruments.
Fatemeh Pournaghi Azar, Elaheh Javari, Haleh Valizadeh, Hossein Hosseinifard   +3 more
doaj   +1 more source

High‐Efficiency Deep Blue Single‐Gaussian Europium(II) Emitters and Their Emitter‐Host Interactions

Advanced Functional Materials, EarlyView.
Crown‐ether ligands and carborate anions enable vacuum‐processable Eu(II) emitters with efficient single‐Gaussian deep‐blue luminescence. Combined photophysical and computational analyses reveal that excited‐electron confinement and steric shielding of the europium center jointly govern compatibility with OLED host materials, establishing molecular ...
Mahmoud Soleimani, Paulius Imbrasas, Jan‐Michael Mewes, Felix Kaden, Stephanie Anna Buchholtz, Karl Leo, Sebastian Schellhammer, Carsten Rothe, Sebastian Reineke   +8 more
wiley   +1 more source

Comparative Evaluation of Push-out Bond Strength of ProRoot MTA, Bioaggregate and Biodentine

The Journal of Contemporary Dental Practice, 2014
ABSTRACT Objective To evaluate the push-out bond strength of Biodentine (BD) in comparison with two available calcium silicate based materials, bioaggregate (BA) and ProRoot MTA (WMTA). Materials and methods One hundred and twenty-three root dentin slices of freshly extracted single rooted human teeth were randomly divided into three groups (n = 41)
Sara A, Alsubait, Qamar, Hashem, Njood, AlHargan, Khawlah, AlMohimeed, Ahmed, Alkahtani   +4 more
openaire   +2 more sources

An Integrated Oxygen‐Supplying Device and Predictive Multiphysics Model for Extended Ambient Transport of Insulin‐Producing Cells

Advanced Functional Materials, EarlyView.
Cell therapies typically rely on cold‐chain logistics and cryopreservation, limiting access and compromising cell quality. Here, a dual‐chamber device separates an oxygen‐supplying chamber from a hyaluronic acid cargo chamber, sustaining oxygen delivery for over 70 h and enabling ambient‐temperature shipment.
Daniel A. Domingo‐Lopez, Ruth Tarpey, Benjamin Brennan, Bryan D. Boyle, Amir M. Alsharabasy, Abhik Mallick, Gabriella Bellavia, Abhay Pandit, Garry P. Duffy, Ruth E. Levey   +9 more
wiley   +1 more source