Results 41 to 50 of about 9,553 (187)

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

Advanced 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, Lyn I. Jones, Richard M. Martin, Helen Winter, Faezeh Arab Hassani   +4 more
wiley   +1 more source

Diagnosis Methods for COVID-19: A Systematic Review

Micromachines, 2022
At the end of 2019, the coronavirus appeared and spread extremely rapidly, causing millions of infections and deaths worldwide, and becoming a global pandemic.
Renata Maia, Violeta Carvalho, Bernardo Faria, Inês Miranda, Susana Catarino, Senhorinha Teixeira, Rui Lima, Graça Minas, João Ribeiro   +8 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

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

A Review of Machine Learning Methods Recently Applied to FTIR Spectroscopy Data for the Analysis of Human Blood Cells

Micromachines, 2023
Machine learning (ML) is a broad term encompassing several methods that allow us to learn from data. These methods may permit large real-world databases to be more rapidly translated to applications to inform patient–provider decision-making.
Ahmed Fadlelmoula, Susana O. Catarino, Graça Minas, Vítor Carvalho   +3 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

A Proof-of-Concept Study Aiming for the Integration of an Optical Biosensor in Advanced Microfluidic Devices for Alzheimer’s Disease Studies

Applied Sciences
Alzheimer’s disease (AD), a progressive neurodegenerative disorder, is marked by the abnormal production of amyloid-beta (Aβ) fibrils, a key biomarker for diagnosis and illness monitoring. Advanced microfluidic devices, such as brain-on-a-chip (BoC), are
Margarida O. Correia, Paulo Sousa, Raquel O. Rodrigues, Graça Minas   +3 more
doaj   +1 more source

Wearable Inertial Sensor System towards Daily Human Kinematic Gait Analysis: Benchmarking Analysis to MVN BIOMECH

Sensors, 2020
This paper presents a cost- and time-effective wearable inertial sensor system, the InertialLAB. It includes gyroscopes and accelerometers for the real-time monitoring of 3D-angular velocity and 3D-acceleration of up to six lower limbs and trunk segment ...
Joana Figueiredo, Simão P. Carvalho, João Paulo Vilas-Boas, Luís M. Gonçalves, Juan C. Moreno, Cristina P. Santos   +5 more
doaj   +1 more source

Imaging evaluation of patellofemoral joint instability: a review

Knee Surgery & Related Research, 2023
The multifactorial origin of anterior knee pain in patellofemoral joint disorders leads to a demanding diagnostic process. Patellofemoral misalignment is pointed out as one of the main causes of anterior knee pain.
Roberto M. Barbosa, Manuel Vieira da Silva, Carlos Sampaio Macedo, Cristina P. Santos   +3 more
doaj   +1 more source

Improved Tribocorrosion Behavior Obtained by In-Situ Precipitation of Ti₂C in Ti-Nb Alloy

Metals, 2022
Novel in-situ Ti-based matrix composites (TMCs) were developed through the reactive hot pressing of Ti + NbC powder blends. Due to the chemical reaction that occurred in the solid-state during processing, the produced samples were composed of an Nb-rich ...
Vinícius Richieri Manso Gonçalves, Ihsan Çaha, Alexandra Cruz Alves, Fatih Toptan, Luís Augusto Rocha   +4 more
doaj   +1 more source