A clinical feasibility study of a photoacoustic finder for sentinel lymph node biopsy in breast cancer patients: A prospective cross-sectional study [0.03%]
乳腺癌患者前哨淋巴结活检photoacoustic finder临床可行性研究:一项前瞻性横断面研究
Moongyu Han,Young Joo Lee,Junho Ahn et al.
Moongyu Han et al.
The sentinel lymph node (SLNb) is generally performed using radioisotopes, blue dyes, or both to improve false negative rate. However, ionizing radiation is involved in a gamma probe with radioisotopes and the blue dye detection relies on n...
Gas concentration prediction in photoacoustic spectroscopy using PSO-EAP-CNN to address correlation degradation [0.03%]
基于PSO-EAP-CNN的光声光谱气体浓度预测方法研究相关性退化问题
Zhanshang Su,Pengpeng Wang,Zhengzhuo Li et al.
Zhanshang Su et al.
Photoacoustic spectroscopy (PAS) gas detection is frequently compromised by noise-induced correlation degradation, which significantly impacts measurement accuracy. To mitigate this issue, an advanced convolutional neural network (CNN) arch...
Photodissociation-driven photoacoustic spectroscopy with UV-LEDs for ozone detection [0.03%]
基于UV-LED光解驱动的光声光谱法臭氧检测技术
Lukas Escher,Thomas Rück,Simon Jobst et al.
Lukas Escher et al.
This study presents the development and evaluation of a UV-LED based photoacoustic (PA) measurement system for ozone (O3) detection to demonstrate its potential for low-cost and accurate sensing while for the first time addressing the impor...
Recent advances in optical fiber-based gas sensors utilizing light-induced acoustic/elastic techniques [0.03%]
利用光生声弹性技术的光纤气体传感最新进展
Yuhui Liu,Yue Qi,Yangjian Cai et al.
Yuhui Liu et al.
Gas sensing detects gas properties, such as physical, molecular, optical, thermodynamic, and dynamic properties. Light-induced acoustic techniques include monitoring the optical and physical properties of the gas. Fiber-based gas sensing is...
Utility of photoacoustic patterns in intra-operative margin assessment of breast cancer post neoadjuvant chemotherapy [0.03%]
新辅助化疗后的乳腺癌术中切缘评估的光声图案的效用研究
Yonggeng Goh,Ghayathri Balasundaram,Hui Min Tan et al.
Yonggeng Goh et al.
Purpose: To evaluate the feasibility and accuracy of ultrasound-guided photoacoustic tomography (US-PA) for intraoperative margin assessment in breast-conserving surgery (BCS) following neoadjuvant chemotherapy (NACT). ...
Quantitative ultrasound and photoacoustic assessments of red blood cell aggregation in the human radial artery [0.03%]
人体桡动脉红细胞聚集的定量超声和光声评估
Taehoon Bok,Eno Hysi,Michael C Kolios
Taehoon Bok
We develop concurrent US and photoacoustic (PA) imaging to characterize structural/physiological impact of in-vivo red blood cell (RBC) aggregation. PA images at 700/800/900 nm were collected from the radial arteries of 12 participants acro...
In vivo 3D photoacoustic and ultrasound analysis of hypopigmented skin lesions: A pilot study [0.03%]
低色素皮肤病变的体内三维光声成像和超声分析:初步研究
Minseong Kim,Ju Hee Han,Junho Ahn et al.
Minseong Kim et al.
Vitiligo needs early identification for proper intervention. Current adjunct diagnostic methods rely mostly on subjective visual inspection. Thus, identification of early or atypical vitiligo lesions among other hypopigmentation disorders m...
Generative priors-constraint accelerated iterative reconstruction for extremely sparse photoacoustic tomography boosted by mean-reverting diffusion model: Towards 8 projections [0.03%]
生成先验约束加速迭代重建用于极稀疏光声断层扫描:基于均值回复扩散模型的8个投影方法
Teng Lian,Yichen Lv,Kangjun Guo et al.
Teng Lian et al.
As a novel non-invasive hybrid biomedical imaging technology, photoacoustic tomography combines the advantages of high contrast of optical imaging and high penetration of acoustic imaging. However, the conventional standard reconstruction m...
A joint photoacoustic imaging and broadband spectral analysis for early-stage intraoperative pathology assessment: A case study with colorectal cancer [0.03%]
早期手术病理评估的联合光声成像和宽带光谱分析:以结肠癌为例
Fan Yang,Zhengduo Yang,Zheng Zhu et al.
Fan Yang et al.
Accurate and rapid intraoperative diagnosis of micro-infiltration in early-stage tumors presents a formidable challenge for decades. Here, we propose a novel diagnostic approach, that combines Photoacoustic Morphological Imaging (PAMI) with...
Optical synchronous signal demodulation-based quartz-enhanced photoacoustic spectroscopy for remote, multi-point methane detection in complex environments [0.03%]
基于光学同步信号解调的石英增强型光电声光谱远程复杂环境下多点甲烷检测
Bo Sun,Tingting Wei,Mingjiang Zhang et al.
Bo Sun et al.
We present a novel optical synchronized signal demodulation (OSSD) method applied in quartz-enhanced photoacoustic spectroscopy (QEPAS) for remote gas sensing. Using 1 % of the laser source as an optical synchronization signal, kilometer-sc...