Results 41 to 50 of about 9,370,821 (226)

Human Interleukin-1β Profile and Self-Reported Pain Monitoring Using Clear Aligners with or without Acceleration Techniques: A Case Report and Investigational Study

International Journal of Dentistry, 2022
Introduction. There is a growing demand for more aesthetic, comfortable, and faster orthodontic treatments, and clear aligners emerged as a solution to fulfill this need.
Selma Pascoal, Aline Gonçalves, Andreia Brandão, Duarte Rocha, Sofia Oliveira, Francisca Monteiro, Óscar Carvalho, Susana Coimbra, Teresa Pinho   +8 more
doaj   +1 more source

Simulation Study of Vertical p–n Junction Photodiodes’ Optical Performance According to CMOS Technology

Applied Sciences, 2022
CMOS photodiodes have been widely reported in microsystem applications. This article presents the design and numerical simulation of p–n junction photodiodes, using COMSOL Multiphysics, for three CMOS technologies (0.18 μm, 0.35 μm and 0.7 μm) and three ...
Gabriel M. Ferreira, Vítor Silva, Graça Minas, Susana O. Catarino   +3 more
doaj   +1 more source

Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik, Fedor Kovalev, Mingkai Liu, Michal Zawierta, Dilusha Silva, Lorenzo Faraone, Mariusz Martyniuk, Ilya Shadrivov   +7 more
wiley   +1 more source

Antibacterial PEEK-Ag Surfaces: Development and In Vitro Evaluation Against Staphylococcus aureus and Pseudomonas aeruginosa

Journal of Functional Biomaterials
In the pursuit of addressing the persistent challenge of bacterial adhesion and biofilm formation in dental care, this study investigates the efficacy of electric current as an alternative strategy, specifically focusing on its application in dental ...
Flávio Rodrigues, Mariana Fernandes, Filipe Samuel Silva, Óscar Carvalho, Sara Madeira   +4 more
doaj   +1 more source

Photobiomodulation and visual stimulation against cognitive decline and Alzheimer's disease pathology: A systematic review

Alzheimer’s & Dementia: Translational Research & Clinical Interventions, 2022
Introduction Given the ineffectiveness of the available drug treatment against Alzheimer disease (AD), light‐based therapeutic modalities have been increasingly receiving attention with photobiomodulation (PBM) and, more recently, visual stimulation (VS)
Francisca Monteiro, Óscar Carvalho, Nuno Sousa, Filipe S. Silva, Ioannis Sotiropoulos   +4 more
doaj   +1 more source

Harnessing Ultrafast Optical Pulses for 3D Microfabrication by Selective Tweezing and Immobilization of Colloidal Particles in an Integrated System

Advanced Photonics Research, Volume 6, Issue 5, May 2025.
Microfabrication using nano‐ to micron‐sized blocks has transformative potential for next‐gen electronics, optoelectronics, and materials. Traditional methods are limited by scalability and precision. STIC, a single‐laser system for precise colloid manipulation and immobilization using femtosecond lasers, is introduced that enables efficient 3D ...
Krishangi Krishna, Jieliyue Sun, Wenyu Liu, Robert H. Hurt, Kimani C. Toussaint Jr.   +4 more
wiley   +1 more source

High‐Temperature Magnetic Field Mapping Using a Single‐Crystal Diamond MEMS Resonator Array

Advanced Science, EarlyView.
A single‐crystal diamond MEMS resonator array enables magnetic‐field reconstruction with millisecond response, nanotesla level magnetic noise, and stable operation up to 573 K. Two‐ and three‐dimensional magnetic field mapping are demonstrated using ΔEeffect sensing, highlighting the potential of diamond MEMS technology for hightemperature magnetic ...
Zilong Zhang, Keyun Gu, Satoshi Koizumi, Masaya Toda, Meiyong Liao   +4 more
wiley   +1 more source

Molecular Rectification: Mechanisms, Modulation Strategies, and Device Realization

Advanced Science, EarlyView.
This review focuses on molecular rectification, from its fundamental mechanisms and modulation strategies to device realization. It summarizes the theoretical framework, modulation strategies, fabrication techniques, characterization methods, and modeling and simulation of molecular rectifiers, while discussing challenges and future directions for ...
Junnan Guo, Shufan Song, Wenhui Fang, Jifeng Tang, Wenhao Li, Weikang Wu, Shishen Yan, Hui Li, Lishu Zhang   +8 more
wiley   +1 more source

Determination of parameters with uncertainties for quality control in MEMS fabrication

, 2022
S.613-624A reliable technique for rapid monitoring of critical dimensional and material parameters during the fabrication of microelectromechanical systems (MEMS) is still an open task.
Kurth, Steffen, Tibken, B., Rembe, C., Shaporin, Alexey, Meinig, Marco, Gennat, M.   +5 more
core   +1 more source

Unveiling human biomechanics: insights into lower limb responses to disturbances that can trigger a fall

Frontiers in Robotics and AI
IntroductionSlip-related falls are a significant concern, particularly for vulnerable populations such as the elderly and individuals with gait disorders, necessitating effective preventive measures.
Nuno Ferrete Ribeiro, Miguel Armada, João Nunes, Óscar Carvalho, Óscar Carvalho, Óscar Carvalho, Cristina P. Santos, Cristina P. Santos, Cristina P. Santos   +8 more
doaj   +1 more source