Results 31 to 40 of about 11,431 (111)

NIR-II Nanoprobes: A Review of Components-Based Approaches to Next-Generation Bioimaging Probes

Bioengineering, 2023
Fluorescence and photoacoustic imaging techniques offer valuable insights into cell- and tissue-level processes. However, these optical imaging modalities are limited by scattering and absorption in tissue, resulting in the low-depth penetration of ...
Bryce Dunn, Marzieh Hanafi, John Hummel, John R. Cressman, Rémi Veneziano, Parag V. Chitnis   +5 more
doaj   +1 more source

Resolution Enhancement Strategies in Photoacoustic Microscopy: A Comprehensive Review

Micromachines
Photoacoustic imaging has emerged as a promising modality for medical imaging since its introduction. Photoacoustic microscopy (PAM), which is based on the photoacoustic effect, combines the advantages of both optical and acoustic imaging modalities. PAM
Jinying Zhang, Yifan Shi, Yexiaotong Zhang, Haoran Liu, Shihao Li, Linglu Liu   +5 more
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An experimental and theoretical approach to the study of the photoacoustic signal produced by cancer cells

AIP Advances, 2012
The distinctive spectral absorption characteristics of cancer cells make photoacoustic techniques useful for detection in vitro and in vivo. Here we report on our evaluation of the photoacoustic signal produced by a series of monolayers of different cell
Rafael Pérez Solano, Francisco I. Ramirez-Perez, Jorge A. Castorena-Gonzalez, Edgar Alvarado Anell, Gerardo Gutiérrez-Juárez, Luis Polo-Parada   +5 more
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Photoacoustic Imaging in Oxygen Detection

Applied Sciences, 2017
Oxygen level, including blood oxygen saturation (sO2) and tissue oxygen partial pressure (pO2), are crucial physiological parameters in life science. This paper reviews the importance of these two parameters and the detection methods for them, focusing ...
Fei Cao, Zhihai Qiu, Huanhao Li, Puxiang Lai   +3 more
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Recent advances in photoacoustic blind source spectral unmixing approaches and the enhanced detection of endogenous tissue chromophores

Frontiers in Signal Processing, 2022
Recently, the development of learning-based algorithms has shown a crucial role to extract features of vital importance from multi-spectral photoacoustic imaging.
Valeria Grasso, Valeria Grasso, Hafiz Wajahat Hassan, Peyman Mirtaheri, Regine Willumeit-Rӧmer, Regine Willumeit-Rӧmer, Jithin Jose   +6 more
doaj   +1 more source

Multi-gas photoacoustic sensor using multi-mode demodulation

Photoacoustics
Modulation technology is the necessary means for generating periodic acoustic waves in photoacoustic gas detection, primarily including intensity modulation and wavelength modulation.
Mu Liang, Mingqi Jiao, Mingyang Feng, Pengbo Chen, Yang Gao, Yingying Qiao, Lei Li, Chongxin Shan   +7 more
doaj   +1 more source

Towards Clinical Translation of LED-Based Photoacoustic Imaging: A Review

Sensors, 2020
Photoacoustic imaging, with the capability to provide simultaneous structural, functional, and molecular information, is one of the fastest growing biomedical imaging modalities of recent times.
Yunhao Zhu, Ting Feng, Qian Cheng, Xueding Wang, Sidan Du, Naoto Sato, Jie Yuan, Mithun Kuniyil Ajith Singh   +7 more
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Tetramethylbenzidine: An Acoustogenic Photoacoustic Probe for Reactive Oxygen Species Detection

Sensors, 2020
Photoacoustic imaging is attracting a great deal of interest owing to its distinct advantages over other imaging techniques such as fluorescence or magnetic resonance image.
Roger Bresolí-Obach, Marcello Frattini, Stefania Abbruzzetti, Cristiano Viappiani, Montserrat Agut, Santi Nonell   +5 more
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Dual-modal photoacoustic and ultrasound imaging: from preclinical to clinical applications

Frontiers in Photonics
Photoacoustic imaging is a novel biomedical imaging modality that has emerged over the recent decades. Due to the conversion of optical energy into the acoustic wave, photoacoustic imaging offers high-resolution imaging in depth beyond the optical ...
Nikhila Nyayapathi, Emily Zheng, Qifa Zhou, Marvin Doyley, Jun Xia   +4 more
doaj   +1 more source

Electromagnetic–Acoustic Sensing for Biomedical Applications

Sensors, 2018
This paper reviews the theories and applications of electromagnetic–acoustic (EMA) techniques (covering light-induced photoacoustic, microwave-induced thermoacoustic, magnetic-modulated thermoacoustic, and X-ray-induced thermoacoustic) belonging to
Siyu Liu, Ruochong Zhang, Zesheng Zheng, Yuanjin Zheng   +3 more
doaj   +1 more source