High-resolution imaging with a real-time synthetic aperture ultrasound system: a phantom study

2011 ◽  
Author(s):  
Lianjie Huang ◽  
Yassin Labyed ◽  
Francesco Simonetti ◽  
Michael Williamson ◽  
Robert Rosenberg ◽  
...  
Keyword(s):  
High Resolution ◽  
Real Time ◽  
Phantom Study ◽  
Synthetic Aperture ◽  
High Resolution Imaging ◽  
System A ◽  
Resolution Imaging ◽  
Ultrasound System

scholarly journals Tailoring exceptional points in a hybrid PT-symmetric and anti-PT-symmetric scattering system

Nanophotonics ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Zhicheng Xiao ◽  
Andrea Alù
Keyword(s):  
High Resolution ◽  
Real Time ◽  
Quantum Systems ◽  
Symmetric System ◽  
Microwave Circuit ◽  
High Resolution Imaging ◽  
Fano Resonances ◽  
Real Time Control ◽  
Time Control ◽  
Resolution Imaging

Abstract Fano resonances feature an asymmetric lineshape with controllable linewidth, stemming from the interplay between bright and dark resonances. They provide efficient opportunities to shape the scattering lineshape, but they usually lack flexibility and tunability and are hindered by loss in passive systems. Here, we explore a hybrid parity-time (PT) and anti-parity-time (APT) symmetric system supporting unitary scattering features with highly tunable Fano resonances. The PT-APT-symmetric system can be envisioned in nanophotonic and microwave circuit implementations, allowing for real-time control of the scattering lineshape and its underlying singularities. Our study shows the opportunities enabled by non-Hermitian platforms to control scattering lineshapes for a plethora of photonic, electronic, and quantum systems, with potential for high-resolution imaging, switching, sensing, and multiplexing.

View-expansive Microscope System with Real-time High-resolution Imaging for Simplified Microinjection Experiments

2021 ◽  
Author(s):  
Tadayoshi Aoyama ◽  
Sarau Takeno ◽  
Kazuki Hano ◽  
Masaki Takasu ◽  
Masaru Takeuchi ◽  
...  
Keyword(s):  
High Resolution ◽  
Real Time ◽  
High Resolution Imaging ◽  
Resolution Imaging

scholarly journals Rapid Diagnosis of Tuberculosis by Real-Time High-Resolution Imaging of Mycobacterium tuberculosis Colonies

2015 ◽  
Vol 53 (8) ◽  
pp. 2693-2696 ◽  
Author(s):  
Ramzi Ghodbane ◽  
Shady Asmar ◽  
Marlena Betzner ◽  
Marie Linet ◽  
Joseph Pierquin ◽  
...  
Keyword(s):  
Mycobacterium Tuberculosis ◽  
High Resolution ◽  
Real Time ◽  
Solid Medium ◽  
Contamination Rate ◽  
High Resolution Imaging ◽  
Standard Protocol ◽  
Content Type ◽  
The Real ◽  
Resolution Imaging

Culture remains the cornerstone of diagnosis for pulmonary tuberculosis, but the fastidiousness ofMycobacterium tuberculosismay delay culture-based diagnosis for weeks. We evaluated the performance of real-time high-resolution imaging for the rapid detection ofM. tuberculosiscolonies growing on a solid medium. A total of 50 clinical specimens, including 42 sputum specimens, 4 stool specimens, 2 bronchoalveolar lavage fluid specimens, and 2 bronchial aspirate fluid specimens were prospectively inoculated into (i) a commercially available Middlebrook broth and evaluated for mycobacterial growth indirectly detected by measuring oxygen consumption (standard protocol) and (ii) a home-made solid medium incubated in an incubator featuring real-time high-resolution imaging of colonies (real-time protocol). Isolates were identified by Ziehl-Neelsen staining and matrix-assisted laser desorption ionization–time of flight mass spectrometry. Use of the standard protocol yielded 14/50 (28%)M. tuberculosisisolates, which is not significantly different from the 13/50 (26%)M. tuberculosisisolates found using the real-time protocol (P= 1.00 by Fisher's exact test), and the contamination rate of 1/50 (2%) was not significantly different from the contamination rate of 2/50 (4%) using the real-time protocol (P= 1.00). The real-time imaging protocol showed a 4.4-fold reduction in time to detection, 82 ± 54 h versus 360 ± 142 h (P< 0.05). These preliminary data give the proof of concept that real-time high-resolution imaging ofM. tuberculosiscolonies is a new technology that shortens the time to growth detection and the laboratory diagnosis of pulmonary tuberculosis.

Synthetic aperture microscopy for high resolution imaging through a turbid medium

2011 ◽  
Vol 36 (21) ◽  
pp. 4263 ◽  
Author(s):  
Youngwoon Choi ◽  
Moonseok Kim ◽  
Changhyeong Yoon ◽  
Taeseok Daniel Yang ◽  
Kyoung Jin Lee ◽  
...  
Keyword(s):  
High Resolution ◽  
Turbid Medium ◽  
Synthetic Aperture ◽  
High Resolution Imaging ◽  
Resolution Imaging ◽  
Synthetic Aperture Microscopy
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