Results 71 to 80 of about 6,108,061 (222)

Early diagnosis of teeth erosion using polarized laser speckle imaging

Journal of Biomedical Optics, 2015
. Dental erosion starts with a chemical attack on dental tissue causing tooth demineralization, altering the tooth structure and making it more sensitive to mechanical erosion.
Christelle Abou Nader, F. Pellen, Hadi Loutfi, Rassoul Mansour, B. Jeune, G. L. Brun, M. Abboud   +6 more
semanticscholar   +1 more source

Mechanical Behavior and Microstructural Changes Associated with Tensile Deformation above the Martensite Start Temperature during Quenching and Subsequent Partitioning of a Low‐Alloy 37SiB6 Steel

Advanced Engineering Materials, EarlyView.
A new experimental setup, incorporating digital image correlation and infrared thermography in combination with inductive‐conductive heating for precise temperature control, is used to analyze the mechanical behavior and microstructural changes of sheet metal under complex thermomechanical test conditions that represent quench and partitioning ...
Christian Illgen, Benjamin Bohne, Sven Winter, Marcus Böhme, Martin F.-X. Wagner   +4 more
wiley   +1 more source

Amplification‐Free, Sequencing‐Free, Detection of Viral RNAs with Variant Specification by Discrete Nanocounting

Advanced Functional Materials, EarlyView.
Integrating selective RNA shortcut, targeted gene isolation, and micro‐arrayed nanoimaging, the NanoPick‐array platform excels in detecting severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) at just 60 copies µL−1 and accurately differentiating variants at the single‐nucleotide level. It ensures 100% accuracy for samples with cycle threshold (
Zixun Wang, Xi Zhao, Wan‐Mui Chan, Xianglin Ji, Linfeng Huang, Xi Xie, Wei Li, Wenjun Zhang, Kelvin Kai‐Wang To, Peng Shi   +9 more
wiley   +1 more source

Choosing a laser for laser speckle contrast imaging

Scientific Reports, 2019
The use of laser speckle contrast imaging (LSCI) has expanded rapidly for characterizing the motion of scattering particles. Speckle contrast is related to the dynamics of the scattering particles via a temporal autocorrelation function, but the quality ...
D. Postnov, Xiaojun Cheng, Ş. E. Erdener, D. Boas   +3 more
semanticscholar   +1 more source

Imbalanced Surface Charge Induced Phase Segregation in Mixed Halide Perovskites

Advanced Functional Materials, EarlyView.
The key factor determining the phase segregation in mixed halide perovskites (MHP) is the intrinsic imbalanced surface charges in the crystal lattice. MHP films with excellent crystallinity and surface morphology can suffer severe phase segregation.
Zixin Zeng, Yunfan Wang, Shuo Ding, Yang Li, Chaoyu Xiang, Chun‐Sing Lee, Yuanhang Cheng, Sai‐Wing Tsang   +7 more
wiley   +1 more source

Fiber‐based laser speckle imaging for the detection of pulsatile flow

Lasers in Surgery and Medicine, 2015
In endodontics, a major diagnostic challenge is the accurate assessment of pulp status. In this study, we designed and characterized a fiber‐based laser speckle imaging system to study pulsatile blood flow in the tooth.
C. Regan, Bruce Y. Yang, Kent C. Mayzel, J. Ramirez-San-Juan, P. Wilder-Smith, Bernard Choi   +5 more
semanticscholar   +1 more source

Advanced Mycelium Skins for Sustainable Electronics

Advanced Functional Materials, EarlyView.
Mycelium skins are sustainable substrates for high‐performance electronic devices, enabling a green future. Environmentally friendly post‐growth treatments extend their durability and significantly improve their mechanical and electrical properties while maintaining their thermal stability and biodegradability.
Roland Pruckner, Laura Holzinger, David Preninger, Magdalena Breitwieser, Lukas Lehner, Christoph Putz, Stepan Demchyshyn, Simon Berrer, Astrid Hirz, Robert Koeppe, Sabine Hild, Martin Kaltenbrunner   +11 more
wiley   +1 more source

State of the Art of X-ray Speckle-Based Phase-Contrast and Dark-Field Imaging

Journal of Imaging, 2018
In the past few years, X-ray phase-contrast and dark-field imaging have evolved to be invaluable tools for non-destructive sample visualisation, delivering information inaccessible by conventional absorption imaging.
M. Zdora
semanticscholar   +1 more source

Wearable Haptic Feedback Interfaces for Augmenting Human Touch

Advanced Functional Materials, EarlyView.
The wearable haptic feedback interfaces enhance user experience in gaming, social media, biomedical instrumentation, and robotics by generating tactile sensations. This review discusses and categorizes current haptic feedback interfaces into force, thermal, and electrotactile stimulation‐based haptic feedback interfaces, elucidating their current ...
Shubham Patel, Zhoulyu Rao, Maggie Yang, Cunjiang Yu   +3 more
wiley   +1 more source

Application of laser speckle contrast imaging in laparoscopic surgery.

Biomedical Optics Express, 2019
Anastomotic leakage is a worldwide problem in gastrointestinal surgery which seems to be related to the state of microcirculation. Laser speckle contrast imaging (LSCI) could give surgeons insight in the state of microcirculation to attune the site of ...
Wido Heeman, Klaas Dijkstra, C. Hoff, S. Koopal, J. Pierie, H. Bouma, E. C. Boerma   +6 more
semanticscholar   +1 more source