Results 21 to 30 of about 8,814 (193)
Frontiers in Chemistry, 2022 Molecular imaging visualizes, characterizes, and measures biological processes at the molecular and cellular level. In oncology, molecular imaging is an important technology to guide integrated and precise diagnosis and treatment.
Yiwen Zheng, Mengyao Liu, Lixin Jiang
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Towards non-contact photoacoustic imaging [review]
Photoacoustics, 2020 Photoacoustic imaging (PAI) takes advantage of both optical and ultrasound imaging properties to visualize optical absorption with high resolution and contrast.
Zohreh Hosseinaee +3 more
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Slow-sound photoacoustic microscopy [PDF]
Applied Physics Letters, 2013 We propose to enhance the axial resolution of photoacoustic microscopy (PAM) by reducing the speed of sound within the imaging region of interest. With silicone oil immersion, we have achieved a finest axial resolution of 5.8 μm for PAM, as validated by phantom experiments.
Zhang, Chi +3 more
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Grueneisen Relaxation Photoacoustic Microscopy [PDF]
Physical Review Letters, 2014 The temperature-dependent property of the Grueneisen parameter has been employed in photoacoustic imaging mainly to measure tissue temperature. Here we explore this property using a different approach and develop Grueneisen relaxation photoacoustic microscopy (GR-PAM), a technique that images nonradiative absorption with confocal optical resolution. GR-
Wang, Lidai, Zhang, Chi, Wang, Lihong V.
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Automated Laser-Fiber Coupling Module for Optical-Resolution Photoacoustic Microscopy
Sensors, 2023 Photoacoustic imaging has emerged as a promising biomedical imaging technique that enables visualization of the optical absorption characteristics of biological tissues in vivo.
Seongyi Han +5 more
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Acta Dermato-Venereologica, 2022 Rapid diagnosis of suspicious pigmented skin lesions is imperative; however, current bedside skin imaging technologies are either limited in penetration depth or resolution.
Terese von Knorring +8 more
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Functional photoacoustic microscopy of pH [PDF]
SPIE Proceedings, 2011 pH is a tightly regulated indicator of metabolic activity. In mammalian systems, an imbalance of pH regulation may result from or result in serious illness. In this paper, we report photoacoustic microscopy (PAM) of a commercially available pH-sensitive fluorescent dye (SNARF-5F carboxylic acid) in tissue phantoms.
Chatni, Muhammad Rameez +5 more
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Single-shot linear dichroism optical-resolution photoacoustic microscopy
Photoacoustics, 2019 Dichroism is a material property that causes anisotropic light-matter interactions for different optical polarizations. Dichroism relates to molecular types and material morphology and thus can be used to distinguish different dichroic tissues.
Yingying Zhou +5 more
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Double-illumination photoacoustic microscopy [PDF]
Optics Letters, 2012 Recent developments of optical-resolution photoacoustic microscopy (OR-PAM) have improved its spatial resolution and imaging speed. However, the penetration depth of OR-PAM is still limited to ~1 mm in tissue, owing to the strong tissue scattering. Here, we have developed double-illumination PAM (DI-PAM), which illuminates the sample from both top and ...
Yao, Junjie +5 more
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Laser scanning laser diode photoacoustic microscopy system
Photoacoustics, 2018 The development of low-cost and fast photoacoustic microscopy systems enhances the clinical applicability of photoacoustic imaging systems. To this end, we present a laser scanning laser diode-based photoacoustic microscopy system.
Mohsen Erfanzadeh +2 more
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