Results 11 to 20 of about 570 (155)

Micro/Nanoscale Acoustic Manipulation: From Particle Control to Autonomous Microswimmers. [PDF]

Adv Sci (Weinh)
This conceptual framework illustrates acoustic technology as a multifunctional platform enabling passive particle manipulation across scales and autonomous propulsion of microswimmers. ABSTRACT Acoustic manipulation and propulsion technologies have emerged as powerful platforms for micro/nanoscale control, enabled by their non‐contact operation, label ...
Chu J, Zhang L, Wang X, Li W, Liu Y.
europepmc   +2 more sources

Super-Resolution and High-Data-Density Acoustic Meta-Hologram via Amplitude and Phase Coupling. [PDF]

Adv Sci (Weinh)
A super‐resolution acoustic meta‐hologram utilizes amplitude‐phase coupling under energy conservation constraints to overcome the traditional diffraction limit. This conceptually advanced approach achieves high‐fidelity acoustic field reconstruction and dense information transmission, unlocking new potentials for high‐resolution acoustic imaging and ...
Guo X, Wang X, Tang G, Zeng H, Fan S, Hu X, Mo Y, He Z, Li T, Xu H, Shen J, Fan H, Gao X, Zhu Y, Zhang H, Assouar B.   +15 more
europepmc   +2 more sources

Acoustic Tweezers-Assisted Biomaterial Molding in Petri Dishes (TAMP) for Engineering Glioma Tissues With Controlled Cellular and Extracellular Matrix Architectures. [PDF]

Small
This study introduces an acoustics‐assisted tissue engineering approach, termed “Acoustic Tweezers‐Assisted Biomaterial Molding in Petri Dishes (TAMP),” which enables the fabrication of tissues with customizable extracellular matrix (ECM) geometries and various acoustically constructed internal cellular architectures, including parallel elongated ...
Du Y, Li J, Liu H, Arroyo JP, Bo L, Cai B, Li T, Wang Z, Qiu C, Davalos R, Rich J, Tian Z.   +11 more
europepmc   +2 more sources

Compressive equivalent source method based on particle velocity measurements for near-field acoustic holography

Measurement + Control, 2023
In order to solve the problems of spatial resolution limit and reduce the measurement cost, the compressive sensing theory and the sparse regularization are applied to the near-field acoustic holography (NAH) technology.
Wen-Qian Jing, Guang-Sheng Liu
doaj   +1 more source

Sparse Reconstruction of Sound Field Using Bayesian Compressive Sensing and Equivalent Source Method

Sensors, 2023
To solve the problem of sound field reconstruction with fewer measurement points, a sound field reconstruction method based on Bayesian compressive sensing is proposed.
Yue Xiao, Lei Yuan, Junyu Wang, Wenxin Hu, Ruimin Sun   +4 more
doaj   +1 more source

Four decades of near-field acoustic holography

The Journal of the Acoustical Society of America, 2022
The Reflections series takes a look back on historical articles from The Journal of the Acoustical Society of America that have had a significant impact on the science and practice of acoustics.
openaire   +3 more sources

Development of double nearfield acoustic holography method (Basic experimental results)

Nihon Kikai Gakkai ronbunshu, 2019
There are several types of sound localization methods. In middle frequency around 1kHz, these methods are effective to detect the sound source location.
Masao NAGAMATSU
doaj   +1 more source

A Sound Source Identification Algorithm Based on Bayesian Compressive Sensing and Equivalent Source Method

Sensors, 2020
Near-field acoustic holography (NAH) based on equivalent source method (ESM) is an effective method for identifying sound sources. Conventional ESM focuses on relatively low frequencies and cannot provide a satisfactory solution at high frequencies.
Ming Zan, Zhongming Xu, Linsen Huang, Zhifei Zhang   +3 more
doaj   +1 more source

Cell Mechanics in Cancer: Integrating Mechanotransduction Pathways Within the Tumor Microenvironment. [PDF]

J Cell Physiol
ABSTRACT Single‐cell mechanical properties such as stiffness, elasticity, and viscosity, are crucial in governing biological processes like migration, proliferation, and differentiation. In cancer, the mechanical properties of cells undergo significant alterations, which contribute to tumor growth, metastasis, and resistance to therapy.
Sevgi M, Işık Y, Karaca C, Çağlar E, Abdioğlu HB, Zendel F, Başbınar Y, Üvet H.   +7 more
europepmc   +2 more sources

Sound Field Reconstruction Using Prolate Spheroidal Wave Functions and Sparse Regularization

Sensors, 2023
Near-field acoustic holography (NAH) based on compressing sensing (CS) theory enables accurate reconstruction of sound fields using a limited number of sampling points.
Xuxin Zhang, Jingjun Lou, Shijian Zhu, Jinfang Lu, Ronghua Li   +4 more
doaj   +1 more source