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Quartz-enhanced photoacoustic spectroscopy employing pilot line manufactured custom tuning forks

期刊: PHOTOACOUSTICS, 2020; 17 ()

Pilot line manufactured custom quartz tuning forks (QTFs) with a resonance frequency of 28 kHz and a Q value of > 30, 000 in a vacuum and similar t......

Single-shot photoacoustic microscopy of hemoglobin concentration, oxygen saturation, and blood flow in sub-microseconds

期刊: PHOTOACOUSTICS, 2020; 17 ()

We present fast functional optical-resolution photoacoustic microscopy (OR-PAM) that can simultaneously image hemoglobin concentration, blood flow spe......

Three-dimensional label-free imaging of mammalian yolk sac vascular remodeling with optical resolution photoacoustic microscopy

期刊: PHOTOACOUSTICS, 2020; 17 ()

Vessel development in the yolk sac is important for the embryo development and the malfunction of which can lead to cardiac dysfunction, embryonic mal......

Broadband detection of methane and nitrous oxide using a distributed-feedback quantum cascade laser array and quartz-enhanced photoacoustic sensing

期刊: PHOTOACOUSTICS, 2020; 17 ()

Here we report on the broadband detection of nitrous oxide (N2O) and methane (CH4) mixtures in dry nitrogen by using a quartz-enhanced photoacoustic (......

Photoacoustic spectroscopy for gas sensing: A comparison between piezoelectric and interferometric readout in custom quartz tuning forks

期刊: PHOTOACOUSTICS, 2020; 17 ()

We report on a comparison between piezoelectric and interferometric readouts of vibrations in quartz tuning forks (QTFs) when acting as sound wave tra......

Resolution-matched reflection mode photoacoustic microscopy and optical coherence tomography dual modality system

期刊: PHOTOACOUSTICS, 2020; 19 ()

Photoacoustic microscopy (PAM) and optical coherence tomography (OCT) are sensitive to optical absorption and scattering characteristics, respectively......

Domain Transform Network for Photoacoustic Tomography from Limited-view and Sparsely Sampled Data

期刊: PHOTOACOUSTICS, 2020; 19 ()

Medical image reconstruction methods based on deep learning have recently demonstrated powerful performance in photoacoustic tomography (PAT) from lim......

X-ray induced acoustic computed tomography

期刊: PHOTOACOUSTICS, 2020; 19 ()

X-ray imaging has proved invaluable in medical diagnoses and non-destructive testing (NDT) in the past century. However, there remain two major limita......

Evaluating online filtering algorithms to enhance dynamic multispectral optoacoustic tomography

期刊: PHOTOACOUSTICS, 2020; 19 ()

Multispectral optoacoustic tomography (MSOT) is an emerging imaging modality, which is able to capture data at high spatiotemporal resolution using ra......

Full-frequency correction of spatial impulse response in back-projection scheme using space-variant filtering for optoacoustic mesoscopy

期刊: PHOTOACOUSTICS, 2020; 19 ()

The fidelity and quality of reconstructed images in optoacoustic mesoscopy (OPAM) can be significantly improved by considering the spatial impulse res......

Low-toxicity FePt nanoparticles for the targeted and enhanced diagnosis of breast tumors using few centimeters deep whole-body photoacoustic imaging

期刊: PHOTOACOUSTICS, 2020; 19 ()

A considerable amount of early breast tumors grown at a depth over 2 cm in breast tissues. With high near-infrared absorption of iron-platinum (FePt) ......

Simultaneous photoacoustic microscopy, spectral-domain optical coherence tomography, and fluorescein microscopy multi-modality retinal imaging

期刊: PHOTOACOUSTICS, 2020; 20 ()

The goal of this study is to further develop a multi-modality eye imaging system and evaluate its feasibility of acquiring images of different modalit......

Full three-dimensional segmentation and quantification of tumor vessels for photoacoustic images

期刊: PHOTOACOUSTICS, 2020; 20 ()

Quantitative analysis of tumor vessels is of great significance for tumor staging and diagnosis. Photoacoustic imaging (PAI) has been proven to be an ......

Trace gas sensing based on multi-quartz-enhanced photothermal spectroscopy

期刊: PHOTOACOUSTICS, 2020; 20 ()

A multi-quartz-enhanced photothermal spectroscopy (M-QEPTS) based trace gas detection method is reported for the first time. Different from traditiona......

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