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Prostate cancer identification via photoacoustic spectroscopy and machine learning

期刊: PHOTOACOUSTICS, 2021; 23 ()

Photoacoustic spectroscopy can generate abundant chemical and physical information about biological tissues. However, this abundance of information ma......

Review of deep learning for photoacoustic imaging

期刊: PHOTOACOUSTICS, 2021; 21 ()

Machine learning has been developed dramatically and witnessed a lot of applications in various fields over the past few years. This boom originated i......

Photostability enhancement of silica-coated gold nanostars for photoacoustic imaging guided photothermal therapy

期刊: PHOTOACOUSTICS, 2021; 23 ()

Gold nanostars (GNSs) are promising contrast agents for simultaneous photothermal therapy and photoacoustic imaging (PAI) owing to their excellent pho......

Clear cell renal cell carcinoma detection by multimodal photoacoustic tomography

期刊: PHOTOACOUSTICS, 2021; 21 ()

There is a need for accurate and rapid detection of renal cancer in clinic. Here, we integrated photoacoustic tomography (PAT) with ultrasound imaging......

Photoacoustic power azimuth spectrum for microvascular evaluation

期刊: PHOTOACOUSTICS, 2021; 22 ()

The tubular structures and dendritic distributions of blood vessels emit anisotropic photoacoustic (PA) signals with different intensities and frequen......

Wavelet transform-based photoacoustic time-frequency spectral analysis for bone assessment

期刊: PHOTOACOUSTICS, 2021; 22 ()

In this study, we investigated the feasibility of using photoacoustic time-frequency spectral analysis (PA-TFSA) for evaluating the bone mineral densi......

Non-destructive laser-ultrasonic Synthetic Aperture Focusing Technique (SAFT) for 3D visualization of defects

期刊: PHOTOACOUSTICS, 2021; 22 ()

The Laser Ultrasonic (LU) technique has been widely studied. Detected ultrasonic signals can be further processed using Synthetic Aperture Focusing Te......

Nonlinear mechanisms in photoacoustics-Powerful tools in photoacoustic imaging

期刊: PHOTOACOUSTICS, 2021; 22 ()

Many nonlinear effects have been discovered and developed in photoacoustic imaging. These nonlinear mechanisms have been explored for different utiliz......

Quartz-enhanced photoacoustic spectroscopy exploiting low-frequency tuning forks as a tool to measure the vibrational relaxation rate in gas species

期刊: PHOTOACOUSTICS, 2021; 21 ()

We demonstrated that quartz-enhanced photoacoustic spectroscopy (QEPAS) is an efficient tool to measure the vibrational relaxation rate of gas species......

Progress of clinical translation of handheld and semi-handheld photoacoustic imaging

期刊: PHOTOACOUSTICS, 2021; 22 ()

Photoacoustic imaging (PAI), featuring rich contrast, high spatial/temporal resolution and deep penetration, is one of the fastest-growing biomedical ......

Laser induced thermoelastic contributions from windows to signal background in a photoacoustic cell

期刊: PHOTOACOUSTICS, 2021; 22 ()

The existence of a signal baseline due to a variety of reasons in a photoacoustic (PA) gas measurement system is a common phenomenon. One major compon......

Development of a 443 nm diode laser-based differential photoacoustic spectrometer for simultaneous measurements of aerosol absorption and NO2

期刊: PHOTOACOUSTICS, 2021; 21 ()

Measurement of ambient aerosol and nitrogen dioxide (NO2) is important as they are major pollutants from the burning of fossil fuel and biomass. In th......

Dual-foci fast-scanning photoacoustic microscopy with 3.2-MHz A-line rate

期刊: PHOTOACOUSTICS, 2021; 23 ()

We report fiber-based dual-foci fast-scanning OR-PAM that can double the scanning rate without compromising the imaging resolution, the field of view,......

Highly sensitive broadband differential infrared photoacoustic spectroscopy with wavelet denoising algorithm for trace gas detection

期刊: PHOTOACOUSTICS, 2021; 21 ()

Enhancement of trace gas detectability using photoacoustic spectroscopy requires the effective suppression of strong background noise for practical ap......

Adaptive photoacoustic computed tomography

期刊: PHOTOACOUSTICS, 2021; 21 ()

For many optical imaging modalities, image qualities are inevitably degraded by wavefront distortions caused by varying light speed. In optical micros......

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