A Frequency-Dependent and Nonlinear, Time-Explicit Five-Layer Human Head Numerical Model for Realistic Estimation of Focused Acoustic Transmission Through the Human Skull for Noninvasive High-Intensity and High-Frequency Transcranial Ultrasound Stimulation: An Application to Neurological and Psychiatric Disorders [PDF]
BioengineeringTranscranial focused ultrasound is a promising noninvasive technique for neuromodulation in neurological and psychiatric disorders, but accurate prediction of acoustic transmission through the skull remains a major challenge.
Shivam Sharma +2 more
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Nonlinear X-Wave Ultrasound Imaging of Acoustic Biomolecules [PDF]
Physical Review X, 2018 The basic physics of sound waves enables ultrasound to visualize biological tissues with high spatial and temporal resolution. Recently, this capability was enhanced with the development of acoustic biomolecules—proteins with physical properties enabling
David Maresca +4 more
doaj +6 more sources
Nonlinear Ultrasound Crack Detection with Multi-Frequency Excitation—A Comparison [PDF]
Sensors, 2021 Nonlinear ultrasound crack detection methods are used as modern, non-destructive testing tools for inspecting early damages in various materials. Nonlinear ultrasonic wave modulation, where typically two or more frequencies are excited, was demonstrated ...
Frank Mevissen, Michele Meo
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Quantitative tissue perfusion imaging using nonlinear ultrasound localization microscopy [PDF]
Scientific Reports, 2022 Ultrasound localization microscopy (ULM) is a recent advancement in ultrasound imaging that uses microbubble contrast agents to yield vascular images that break the classical diffraction limit on spatial resolution.
Jennifer N. Harmon +5 more
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Nonlinear ultrasound imaging of nanoscale acoustic biomolecules. [PDF]
Appl Phys Lett, 2017 Ultrasound imaging is widely used to probe the mechanical structure of tissues and visualize blood flow. However, the ability of ultrasound to observe specific molecular and cellular signals is limited. Recently, a unique class of gas-filled protein nanostructures called gas vesicles (GVs) was introduced as nanoscale (∼250 nm) contrast agents for ...
Maresca D +7 more
europepmc +5 more sources
Non destructive characterization of cortical bone micro-damage by nonlinear resonant ultrasound spectroscopy. [PDF]
PLoS ONE, 2014 The objective of the study was to evaluate the ability of a nonlinear ultrasound technique, the so-called nonlinear resonant ultrasound spectroscopy (NRUS) technique, for detecting early microdamage accumulation in cortical bone induced by four-point ...
Sylvain Haupert +4 more
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Nonlinear laser ultrasound formation in silicon [PDF]
AIP Advances, 2016 In this paper, the mechanisms of laser ultrasound response formation in monocrystalline silicon are discussed. The ultrasound waves in the test specimen were generated with laser pulses of two different wavelengths and registered with a piezoelectric ...
Kateryna Voitenko +10 more
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Frontiers in Neuroscience, 2019 Low-intensity pulsed ultrasound stimulation (LIPUS) can inhibit seizures associated with temporal lobe epilepsy (TLE), which is the most common epileptic syndrome in adults and accounts for more than half of the cases of intractable epilepsy ...
Xin Li +5 more
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Weakly nonlinear focused ultrasound in viscoelastic media containing multiple bubbles
Ultrasonics Sonochemistry, 2023 To facilitate practical medical applications such as cancer treatment utilizing focused ultrasound and bubbles, a mathematical model that can describe the soft viscoelasticity of human body, the nonlinear propagation of focused ultrasound, and the ...
Shunsuke Kagami, Tetsuya Kanagawa
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Research on the sensor for detection of carburized case depth based on nonlinear ultrasound
Results in Physics, 2022 Carburized case depth may be characterized by using nonlinear ultrasound. However, the excitation and receiving sensors are difficult to control in the same conditions in each experiment and the operation process is complicated, therefore, a specialized ...
Yan Tang +6 more
doaj +2 more sources