Results 111 to 120 of about 132,248 (302)

An Energy Focusing Flexible and Lightweight Acoustic Metamaterial for Enhanced Ultrasound Power Transfer

Advanced Materials, EarlyView.
A flexible and lightweight acoustic metamaterial composed of air cavities encased in polydimethylsiloxane (PDMS) is introduced to enhance ultrasound power transfer. The metamaterial leverages the strong reflectivity of air cavity boundaries to concentrate incoming ultrasound, thereby improving the performance of piezoelectric energy harvesters ...
Hyung‐Suk Kwon, Ziqi Yu, Xiaopeng Li, Ercan M. Dede, Taehwa Lee   +4 more
wiley   +1 more source

Low‐Dimensional MOF Nanoarchitectonics: Progress in MOF‐2D Material Hybrid Architectures for Energy Conversion and Storage

Advanced Materials, EarlyView.
This review highlights the integration of metal‐organic frameworks (MOFs) and two‐dimensional (2D) materials through dimensional interface engineering. By addressing intrinsic limitations like poor conductivity and agglomeration, these hybrid architectures optimize interfacial charge and mass transport.
Prashant Dubey, Norman C.‐R. Chen, Xiangyang Liu, Yongqi Yin, Keisuke Shirasaki, Kevin C.‐W. Wu, Yingji Zhao, Yusuke Yamauchi   +7 more
wiley   +1 more source

Large‐Area 2D Metasurface‐Based Triboelectric E‐Skin Arrays: Contact & Proximity Tactile Mapping with Broadband Acoustic Readouts

Advanced Materials, EarlyView.
Metasurface‐engineered NC‐TENG arrays integrate tactile pressure mapping, non‐contact gesture sensing, and acoustic signal readouts in one ultrathin module, and outperforms pristine PDMS in terms of electrical output and real‐time spatial mapping for next‐gen wearables.
Injamamul Arief, Swagato Sarkar, Anik Kumar Ghosh, Osvalds Verners, Kamal Kumar Meena, Su‐Hyeong Lee, Soosang Chae, Tobias A. F. König, Beate Krause, Andreas Fery, Mehmet Sait Özer, Anindya Nag, Amit Das   +12 more
wiley   +1 more source

Microwave-excited hybrid thermoacoustic and ultrasound imaging with microwave pulse-width modulation

AIP Advances, 2019
We present a method that allows for hybrid microwave-excited thermoacoustic and ultrasound (HMTAU) imaging without an additional ultrasound transmitting circuitry.
Yuan Zhao, Zihui Chi, Shaoli Ge, Rui Zhao, Augustine Meombe Mbolle, Huabei Jiang   +5 more
doaj   +1 more source

Advances in MoS2‐Au Nanostructured Platforms for Cancer‐Derived miRNA Detection

Advanced Materials Interfaces, EarlyView.
This figure presents the roadmap and scope of this review on microRNA detection technologies, with emphasis on MoS2 and MoS2–Au hybrid nanostructures. It traces the evolution from conventional assays to MoS2‐based SERS platforms, highlights synthesis, interfacial chemistry, and signal‐enhancement mechanisms, and summarizes key challenges and future ...
Faith Mokobi Zablon, Kristen Dellinger, Shyam Aravamudhan   +2 more
wiley   +1 more source

Roadmap to Precision 3D Printing of Cellulose: Rheology‐Guided Formulation, Fidelity Assessment, and Application Horizons

Advanced Materials Technologies, EarlyView.
This critical review presents a comprehensive roadmap for the precision 3D printing of cellulose. Quantitative correlations link ink formulation and rheological properties to print fidelity and final material performance. This framework guides the development of advanced functional materials, from biomedical scaffolds to electromagnetic shielding ...
Majed Amini, Hadi Hosseini, Seyyed Alireza Hashemi, Mohammad Arjmand   +3 more
wiley   +1 more source

Multiscale Acoustic Bubble Actuators Using Bioinspired Liquid‐Repellent Microstructures

Advanced Materials Technologies, EarlyView.
The article presents multiscale acoustic bubble actuators using bioinspired liquid‐repellent microstructures, enabling programmable trapping, pumping, mixing, and precise flow control. Mimicking springtail microstructures, these scalable actuators (200 µm–1 mm) offer multifunctionality in all‐in‐one devices, letter‐shaped arrays, and 3D cube ...
Cem Balda Dayan, Nima Mahkam, Nihal Olcay Dogan, Ville Liimatainen, Defne Hiz, Aleyna Ilgezdi, Daniel Razansky, Amirreza Aghakhani, Metin Sitti   +8 more
wiley   +1 more source

Flow‐Adaptive Gas Sensing Enabled Using a Uniform Au Nanosheet Sensor Array and a Neural Network Inference

Advanced Materials Technologies, EarlyView.
Integrated Au nanosheet sensor array enables simultaneous inference of gas concentration and flow rate via deep neural network analysis, without external flow control. ABSTRACT Gas sensor responses are considerably affected by gas flow rates, thereby inhibiting the accurate detection of target gas concentrations in variable‐flow applications such as ...
Taro Kato, Takahisa Tanaka, Yusuke Hamanaka, Ryo Toyoshima, Ken Uchida   +4 more
wiley   +1 more source

Towards examiner-independent reproducible abdominal ultrasound examinations

Current Directions in Biomedical Engineering
The proposed system aims at reproducibility in ultrasound follow-up examinations by storing the position of the ultrasound transducer in relation to acquired images. The system utilizes an electromagnetic tracking system.
Baader Tobias, Nam Bach Thanh, Yavuz Sümeyra, Brand Lukas Klaus, Güler Beyda, Grupp Peter, Malek Nisar Peter, Hoffmann Tatjana, Pauluschke-Fröhlich Jan, Fröhlich Eckhart, Burgert Oliver   +10 more
doaj   +1 more source

Monitoring of the central blood pressure waveform via a conformal ultrasonic device. [PDF]

, 2018
Continuous monitoring of the central-blood-pressure waveform from deeply embedded vessels, such as the carotid artery and jugular vein, has clinical value for the prediction of all-cause cardiovascular mortality. However, existing non-invasive approaches,
Bhaskaran, Shubha, Chen, Yimu, Chen, Zeyu, Gong, Hua, Gu, Yue, Guo, Yuxuan, Hu, Hongjie, Huang, Brady, Huang, Zhenlong, Lei, Yusheng, Li, Xiaoshi, Li, Yang, Lin, Muyang, Makihata, Mitsutoshi, Pisano, Albert P, Wang, Chonghe, Wang, Chunfeng, Xu, Sheng, Yin, Zhenan, Zhang, Liangfang, Zhang, Lin, Zhang, Tianjiao, Zhang, Zhuorui, Zhou, Qifa   +23 more
core   +1 more source