Results 211 to 220 of about 4,077 (269)

Nine-grid segmentation strategy for photoacoustic imaging of microcirculation oxygenation dynamics in the thenar muscle. [PDF]

Photoacoustics
Qu Z, Mai C, Ouyang B, Wang L, Li X.
europepmc   +1 more source

Corrigendum to "Robust and compact light-induced thermoelastic sensor for atmospheric methane detection based on a vacuum-sealed subminiature tuning fork" [Photoacoustics 42 (2025) 100691]. [PDF]

Photoacoustics
Shang Z, Wu H, Wang G, Cui R, Li B, Gong T, Guo G, Qiu X, Li C, Dong L.   +9 more
europepmc   +1 more source

Real-time <i>in Vivo</i> monitoring of photosynthesis in individual leaves by frequency-locked quartz-enhanced photoacoustic spectroscopy. [PDF]

Photoacoustics
Liu S, Qin L, Zhou C, Lu J, Liu W, Shao J.   +5 more
europepmc   +1 more source

Spatially engineered optical-acoustic matching in quartz-enhanced photoacoustic spectroscopy. [PDF]

Photoacoustics
Cui R, Han W, Wang C, Li C, Ren Y, Li X, Xu J, Spagnolo V, Chen W, Wu H, Dong L.   +10 more
europepmc   +1 more source

Biomedical photoacoustics in China [PDF]

Photoacoustics, 2013
During the last decade, along with its explosive growth globally, biomedical photoacoustics has become a rapidly growing research field in China as well. In particular, photoacoustic tomography (PAT), capable of imaging intact biological tissue in vivo at great depths, has generated intense interest among Chinese researchers.
Jing Meng, Liang Song
exaly   +4 more sources

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Photoacoustic Imaging

2021
Photoacoustic imaging (PAI) is an emerging imaging modality that shows great potential for preclinical research and clinical practice. As a hybrid technique, PAI uniquely combines the advantages of optical excitation and of acoustic detection. Optical excitation provides a rich contrast mechanism from either endogenous or exogenous chromophores ...
Lin, Li, Wang, Lihong V.
openaire   +3 more sources

Quantitative blood oxygen saturation imaging using combined photoacoustics and acousto-optics [PDF]

Optics Letters, 2016
In photoacoustic spectroscopy (PAS), wavelength dependent optical attenuation of biological tissue presents a challenge to measure the absolute oxygen saturation of hemoglobin (sO 2).
Wiendelt Steenbergen, Altaf Hussain, Erwin Hondebrink   +2 more
exaly   +3 more sources

Photoacoustic lymphangiography

Journal of Surgical Oncology, 2019
AbstractBackground and objectivesPhotoacoustic lymphangiography, which is based on photoacoustic technology, is an optical imaging that visualizes the distribution of light absorbing tissue components like hemoglobin or melanin, as well as optical absorption contrast imaging agents like indocyanine green (ICG) in the lymphatic channels, with high ...
Hiroki Kajita, Anna Oh, Moemi Urano, Masashi Takemaru, Nobuaki Imanishi, Marika Otaki, Takayuki Yagi, Sadakazu Aiso, Kazuo Kishi   +8 more
openaire   +2 more sources

Photoacoustic ultrasound

Medical Physics, 1994
Differential absorption has been detected and localized in three‐dimensions by recording the photoacoustic pulses that were produced when short‐duration (∼1 μs) pulses of electromagnetic energy were absorbed regionally within a turbid medium. These absorption sites were localized with a spatial resolution of ∼6 mm within a 20×20×7.5‐cm3 volume of 0.3 ...
openaire   +2 more sources

Photoacoustic Spectroscopy — Photoacoustic and Photothermal Effects

1990
Definition. Photoacoustic (PA) or optoacoustic measurements in the original, strict sense comprise the detection of acoustic waves which arise from non-radiative de-excitation (radiationless transition) of the sample as a consequence of absorption of continuously amplitude-modulated light.
C. Buschmann, H. Prehn
openaire   +1 more source