Bridging light and sound: A spironaphtopyran-rhodamine dyad with high-contrast photoswitching between fluorescence and photoacoustic signal [0.03%]
一种荧光与光声信号可切换的螺吡喃-罗丹明联体分子染料
Nikita Kaydanov,Magdalena Olesińska-Mönch,Morgane Leite et al.
Nikita Kaydanov et al.
Fluorescence and photoacoustic imaging are complementary modalities that provide distinct advantages for biological imaging: fluorescence microscopy offers high sensitivity and resolution, while photoacoustic imaging enables deeper penetrat...
Neural networks for faster laser ultrasound tomography in tissue phantoms [0.03%]
基于组织体模的激光超声层析成像的神经网络加速方法研究
Ahmed Al Fuwaires,Peter Lukacs,Don Pieris et al.
Ahmed Al Fuwaires et al.
Speed of sound (SoS) mapping provides quantitative and localised information about a material's acoustic properties, allowing identification of spatial compositional changes. In biomedical applications, SoS variations can inform tissue char...
Multi-parametric longitudinal imaging of cerebral biomarkers in a rodent model of Alzheimer's disease [0.03%]
阿尔茨海默病小鼠模型的脑生物标志物多参数纵向影像学研究
Tianqu Zhai,Wei Zhang,Chenshuo Ma et al.
Tianqu Zhai et al.
This study introduces a method for longitudinally monitoring Alzheimer's disease (AD)-related biomarkers in a rodent model utilizing a dual-modality imaging system combining photoacoustic microscopy (PAM) and confocal fluorescence microscop...
A Ppb-level MIR-PAS for 12CO2/13CO2 isotope analysis toward on-line breath-based H. pylori sensing [0.03%]
基于呼吸检测幽门螺杆菌的高灵敏度(12)CO_2/(13)CO_2同位素分析的中红外光腔增强吸收光谱技术研究
Yubing Yang,Xukun Yin,Xiu Yang et al.
Yubing Yang et al.
Helicobacter pylori infection is closely associated with chronic gastritis, peptic ulcers, and gastric cancer, rendering rapid and noninvasive diagnostic technologies clinically essential. Current breath tests, such as the 13C-urea breath t...
Ultrasound-guided sound speed correction for photoacoustic computed tomography [0.03%]
基于超声引导的光声计算机断层扫描中的声速校正方法研究
Xuanhao Zhang,Zheng Qu,Bin Ouyang et al.
Xuanhao Zhang et al.
Photoacoustic computed tomography (PACT) reconstructs high-resolution images of various chromophores in deep biological tissue. A key to high-quality reconstruction is accurate compensation for the spatially heterogeneous speed of sound (So...
Early identification of umbilical blood flow restriction and maternal placental hypoperfusion with photoacoustic imaging [0.03%]
基于光声成像的脐带血流受限及母体胎盘灌注不足的早期识别技术研究
Luting Zhang,Mengyu Zhou,Qiufang Ouyang et al.
Luting Zhang et al.
In clinical practice, the prompt and accurate identification of acute fetal distress (AFD) is critical. Although cardiotocography and ultrasonography are the cornerstone clinical tools for fetal monitoring, they cannot quantitatively assess...
Real-time in Vivo monitoring of photosynthesis in individual leaves by frequency-locked quartz-enhanced photoacoustic spectroscopy [0.03%]
基于频率锁定QEPAS的叶片单叶实时光合作用监测研究
Surui Liu,Lu Qin,Chongqiu Zhou et al.
Surui Liu et al.
This paper presents a method for real-time measurement of in vivo leaves photosynthetic rates using quartz-enhanced photoacoustic spectroscopy (QEPAS) with first-harmonic frequency- locking (1f-locking). A compact gas sensor structure was c...
Frequency domain laser ultrasound for inertial confinement fusion target wall thickness measurements [0.03%]
惯性约束聚变靶壳厚度的频域激光超声检测方法研究
Martin Ryzy,Guqi Yan,Clemens Grünsteidl et al.
Martin Ryzy et al.
In inertial confinement fusion experiments hollow, spherical mm-sized capsules are used as a container for nuclear fuel. To achieve maximum implosion efficiency, a perfect capsule geometry is required. This paper presents a wall thickness m...
Application of a virtual imaging framework for investigating a deep learning-based reconstruction method for 3D quantitative photoacoustic computed tomography [0.03%]
基于虚拟图像的深度学习三维定量光声层析成像研究框架及应用
Refik Mert Cam,Seonyeong Park,Umberto Villa et al.
Refik Mert Cam et al.
Quantitative photoacoustic computed tomography (qPACT) is a promising imaging modality for estimating physiological parameters such as blood oxygen saturation. However, developing robust qPACT reconstruction methods remains challenging due ...
Mapping glucose-induced hemodynamics in white fat depots with label-free optoacoustics [0.03%]
无标签光学声学映射葡萄糖诱导的白色脂肪库血流动力学分布图
Nikolina-Alexia Fasoula,Nikoletta Katsouli,Michael Kallmayer et al.
Nikolina-Alexia Fasoula et al.
Subcutaneous adipose tissue (SAT) hemodynamics is an indicator of cardiometabolic health. Herein, we demonstrate a non-invasive approach for imaging SAT hemodynamics in humans using multispectral optoacoustic tomography (MSOT). We evaluated...