72 citations · 224 across the 16 of their papers we have counts for
17 papers
Ultrafast optical coherence elastography for volumetric and dynamic in vivo imaging
Yongkang Zhao, Guo-Yang Li
Imaging the mechanical properties of biological tissues in vivo with high spatial and temporal resolution is essential for understanding physiological function and disease progress…
Physics-informed Neural Networks Enable High Fidelity Shear Wave Viscoelastography across Multiple organs
Ziying Yin, Yuxi Guo, Jiayi Pu +4
Tissue viscoelasticity has been recognized as a crucial biomechanical indicator for disease diagnosis and therapeutic monitoring. Conventional shear wave elastography techniques de…
Non-invasive measurement of local stress inside soft materials with programmed shear waves
Zhaoyi Zhang, Guo-Yang Li, Yuxuan Jiang +4
Mechanical stresses in soft materials across different length scales play a fundamental role in understanding the function of biological systems and in the use of artificial materi…
Simultaneous imaging of bidirectional guided waves enables synchronous probing of mechanical anisotropy, local blood pressure, and stress in arteries
Yuxuan Jiang, Guo-Yang Li, Keshuai Hu +6
Arterial biomechanical indicators have long been recognized as fundamental contributors to the physiology and pathology of cardiovascular systems. Probing the multiple biomechanica…
Incremental dynamics of prestressed viscoelastic solids and its applications in shear wave elastography
Yuxuan Jiang, Guo-Yang Li, Zhaoyi Zhang +3
Shear wave elastography (SWE) is a promising imaging modality for mechanical characterization of tissues, offering biomarkers with potential for early and precise diagnosis. While…
Simultaneous tensile and shear measurement of the human cornea in vivo using S0- and A0-wave optical coherence elastography
Guo-Yang Li, Xu Feng, Seok-Hyun Yun
Understanding corneal stiffness is valuable for improving refractive surgery, detecting corneal abnormalities, and assessing intraocular pressure. However, accurately measuring the…
In vivo Optical Coherence Elastography Reveals Spatial Variation and Anisotropy of Corneal Stiffness
Guo-Yang Li, Xu Feng, Seok-Hyun Yun
Objective: The mechanical properties of corneal tissues play a crucial role in determining corneal shape and have significant implications in vision care. This study aimed to addre…
Ultra-wideband optical coherence elastography from acoustic to ultrasonic frequencies
Xu Feng, Guo-Yang Li, Seok-Hyun Yun
Visualizing elastic waves by noninvasive imaging has been useful for analyzing the mechanical properties of materials and tissues. However, the maximum wave frequency of elastograp…
SWENet: a physics-informed deep neural network (PINN) for shear wave elastography
Ziying Yin, Guo-Yang Li, Zhaoyi Zhang +2
Shear wave elastography (SWE) enables the measurement of elastic properties of soft materials, including soft tissues, in a non-invasive manner and finds broad applications in a va…
In vivo stiffness measurement of epidermis, dermis, and hypodermis using broadband Rayleigh-wave optical coherence elastography
Xu Feng, Guo-Yang Li, Antoine Ramier +2
Traveling-wave optical coherence elastography (OCE) is a promising technique to measure the stiffness of biological tissues. While OCE has been applied to relatively homogeneous sa…
Non-destructive mapping of stress, strain and stiffness of thin elastically deformed materials
Guo-Yang Li, Artur L. Gower, Michel Destrade +1
Knowing the stress within a soft material is of fundamental interest to basic research and practical applications, such as soft matter devices, biomaterial engineering, and medical…
Supershear surface waves reveal prestress and anisotropy of soft materials
Guo-Yang Li, Xu Feng, Antoine Ramier +1
Surface waves play important roles in many fundamental and applied areas from seismic detection to material characterizations. Supershear surface waves with propagation speeds grea…
Probing blood pressure and arterial stiffness noninvasively by guided axial waves
Guo-Yang Li, Yuxuan Jiang, Yang Zheng +3
The clinical and economic burden of cardiovascular diseases (CVDs) poses a global challenge. Growing evidence suggests an early assessment of arterial stiffness can provide insight…
Elastic Cherenkov effects in transversely isotropic soft materials-I: Theoretical analysis, simulations and inverse method
Guo-Yang Li, Yang Zheng, Yanlin Liu +2
A body force concentrated at a point and moving at a high speed can induce shear-wave Mach cones in dusty-plasma crystals or soft materials, as observed experimentally and named th…
Guided waves in pre-stressed hyperelastic plates and tubes: Application to the ultrasound elastography of thin-walled soft materials
Guo-Yang Li, Qiong He, Robert Mangan +5
In vivo measurement of the mechanical properties of thin-walled soft tissues (e.g., mitral valve, artery and bladder) and in situ mechanical characterization of thin-walled artific…
Measuring the linear and nonlinear elastic properties of brain tissue with shear waves and inverse analysis
Yi Jiang, Guoyang Li, Lin-Xue Qian +3
We use supersonic shear wave imaging (SSI) technique to measure not only the linear but also the nonlinear elastic properties of brain matter. Here, we tested six porcine brains ex…
An ultrasonic measurement of stress in steel without calibration: the angled shear wave identity
Guo-Yang Li, Artur Lewis Gower, Michel Destrade
Measuring stress levels in loaded structures is crucial to assess and monitor their health, and to predict the length of their remaining structural life. However, measuring stress…