Results 51 to 60 of about 6,232,025 (300)

Integrated photoacoustic and fluorescence confocal microscopy [PDF]

, 2010
Optical-resolution photoacoustic microscopy has demonstrated utility in imaging and characterizing microvasculature networks in vivo. This work presents a novel imaging system that integrates optical-resolution photoacoustic microscopy and fluorescence ...
Hu, Song, Kim, Chulhong, Maslov, Konstantin, Wang, Lihong V., Wang, Yu   +4 more
core   +2 more sources

Photoacoustic computed tomography guided microrobots for targeted navigation in intestines in vivo [PDF]

, 2020
Tremendous progress in synthetic micro/nanomotors has been made for potential biomedical applications. However, existing micro/nanomotor platforms are inefficient for deep tissue imaging and motion control in vivo.
Gao, Wei, Hu, Peng, Li, Lei, Wang, Lihong V., Wu, Zhiguang, Yang, Yiran   +5 more
core  

Approximate k-space models and Deep Learning for fast photoacoustic reconstruction [PDF]

, 2018
We present a framework for accelerated iterative reconstructions using a fast and approximate forward model that is based on k-space methods for photoacoustic tomography. The approximate model introduces aliasing artefacts in the gradient information for
Arridge, Simon, Beard, Paul, Betcke, Marta, Cox, Ben, Hauptmann, Andreas, Huynh, Nam, Lucka, Felix   +6 more
core   +2 more sources

Eavesdrop at Clinical Depths: Deep Photoacoustic Imaging with Internal Light Illumination

Advanced Devices & Instrumentation
Photoacoustic imaging (PAI) is a hybrid image modality that combines optical absorption contrast and acoustic detection of light-induced ultrasound waves.
Joseph J. Yang, Soon-Woo Cho, Junjie Yao
doaj   +1 more source

Overcoming the acoustic diffraction limit in photoacoustic imaging by localization of flowing absorbers

, 2017
The resolution of photoacoustic imaging deep inside scattering media is limited by the acoustic diffraction limit. In this work, taking inspiration from super-resolution imaging techniques developed to beat the optical diffraction limit, we demonstrate ...
Arnal, Bastien, Bossy, Emmanuel, Vilov, Sergey   +2 more
core   +2 more sources

Simultaneous Dual-Modal Multispectral Photoacoustic and Ultrasound Macroscopy for Three-Dimensional Whole-Body Imaging of Small Animals

Photonics, 2021
Photoacoustic imaging is a promising medical imaging technique that provides excellent function imaging of an underlying biological tissue or organ. However, it is limited in providing structural information compared to other imaging modalities, such as ...
Eun-Yeong Park, Sinyoung Park, Haeni Lee, Munsik Kang, Chulhong Kim, Jeesu Kim   +5 more
doaj   +1 more source

Enhanced dual-mode imaging: Superior photoacoustic and ultrasound endoscopy in live pigs using a transparent ultrasound transducer

Science Advances
Dual-mode photoacoustic/ultrasound endoscopy (ePAUS) is a promising tool for preclinical and clinical interventions. To be clinically useful, ePAUS must deliver high-performance ultrasound imaging comparable to commercial systems and maintain high ...
Jaewoo Kim, Dasom Heo, Seonghee Cho, Mingyu Ha, Jeongwoo Park, Joongho Ahn, Minsu Kim, Donggyu Kim, D. Jung, H. Kim, H. Kim, Chulhong Kim   +11 more
semanticscholar   +1 more source

Label-free high-throughput photoacoustic tomography of suspected circulating melanoma tumor cells in patients in vivo [PDF]

, 2020
Significance: Detection and characterization of circulating tumor cells (CTCs), a key determinant of metastasis, are critical for determining risk of disease progression, understanding metastatic pathways, and facilitating early clinical intervention.
Cornelius, Lynn A., Hai, Pengfei, Li, Yang, Qu, Yuan, Shmuylovich, Leonid, Wang, Lihong V., Zhu, Liren   +6 more
core   +1 more source

Accelerated High-Resolution Photoacoustic Tomography via Compressed Sensing [PDF]

, 2016
Current 3D photoacoustic tomography (PAT) systems offer either high image quality or high frame rates but are not able to deliver high spatial and temporal resolution simultaneously, which limits their ability to image dynamic processes in living tissue.
Arridge, Simon, Beard, Paul, Betcke, Marta, Cox, Ben, Huynh, Nam, Lucka, Felix, Ogunlade, Olumide, Zhang, Edward   +7 more
core   +2 more sources

In vivo super-resolution photoacoustic computed tomography by localization of single dyed droplets [PDF]

, 2020
The spatial resolution of photoacoustic (PA) computed tomography (PACT) is limited by acoustic diffraction. Here, we report in vivo superresolution PACT, which breaks the acoustic diffraction limit by localizing the centers of single dyed droplets.
Li, Lei, Wang, Lihong V., Zhang, Pengfei
core