Results 161 to 170 of about 398 (215)

Graphene‐Interfaced Stretchable Sweat Patch for Multiplexed Electrochemical Monitoring of IL‐6, Glucose, and Calcium Ions

Advanced Materials Technologies, EarlyView.
Flexible sweat sensor patch integrating graphene‑interfaced gold microelectrodes functionalized with bio‑receptors and ion‑selective membrane, coupled with a capillary‑driven microfluidic layer and portable potentiostat electronics for multiplexed monitoring of inflammatory, metabolic, and electrolyte biomarkers in microliter sweat volumes.
Roomia Memon, Ali Tufani, Süleyman Çelik, Javed H. Niazi, Anjum Qureshi   +4 more
wiley   +1 more source

Self‐Soldering, Stretchable and Self‐Healing Liquid Metal Elastomer Interconnections for Soft Electronics Platforms

Advanced Materials Technologies, EarlyView.
A self‐healing and electrically conductive liquid metal elastomer enables robust self‐soldering of surface mount devices for soft electronics. Photothermally activated conductive pathways, strong pressure‐sensitive adhesion, and stable package‐integrated contacts provide high conductivity and extreme stretchability.
Su Thiri San, Ahmed Albeltagi, Mikko Nelo, Jari Juuti, Jarkko Tolvanen, Jari Hannu   +5 more
wiley   +1 more source

Enhancing Small Molecule Sensing With Aptameric Functionalized Nano Devices

Advanced Materials Technologies, EarlyView.
Unveiling an ultra‐sensitive, non‐invasive neurotransmitter sensor. For the first time, a nanoscale sensor for detecting an important neurotransmitter was demonstrated using micro‐electromechanical systems (MEMS) technology. Our approach utilized field‐effect transistor (FET)‐based readout to enable pico‐molar detection of biomarkers in sweat.
Thi Thanh Ha Nguyen, Cong Minh Nguyen, Quang Thang Trinh, Minh Anh Huynh, Khanh Vinh Ho, Dang Co Pham, Dzung Dao, Sven Ingebrandt, Sina Jamali, Xuan Thang Vu, Nam‐Trung Nguyen, Tuan‐Khoa Nguyen   +11 more
wiley   +1 more source

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Liquid level sensing based on leaky mode attenuation in a guided-mode–leaky-mode–guided-mode fiber structure

Optics Communications, 2014
Abstract A liquid level sensing scheme based on leaky mode attenuation and a corresponding liquid level sensor based on a guided-mode–leaky-mode–guided-mode (GLG) fiber structure are proposed, which aim at the liquid whose refractive index (RI) is higher than that of the silica fiber.
Di Che
exaly   +2 more sources

Behavioral feature of the space-wave leaky mode, the surface-wave leaky mode and the bound mode

2000 IEEE MTT-S International Microwave Symposium Digest (Cat. No.00CH37017), 2002
We report here our recent discoveries relating to the dispersion behaviors of printed-circuit transmission lines. Such behaviors relate to those of both the bound dominant mode and the space-wave leaky modes propagating at rather low frequencies. The discovered behaviors affect significantly the performance of microwave and millimeter-wave integrated ...
M. Tsuji, H. Shigesawa
openaire   +1 more source

Leaky Modes of Symmetrical Groove Guide

MTT-S International Microwave Symposium Digest, 2005
Both the odd and even higher modes of groove guide, a low-loss waveguide proposed some years ago for millimeter wavelengths and of interest again today, are investigated quantitatively. We verified an early prediction that all the odd higher modes leak, and we find that all even higher modes do also.
A. A. OLINER, LAMPARIELLO, Paolo
openaire   +2 more sources

Leaky modes on circular optical waveguides

Applied Optics, 1976
A nonabsorbing optical waveguide of circular cross section supports leaky modes in addition to the well-known bound modes. The detailed properties of these leaky modes are determined by solving the eigenvalue equation for the modes of a circular dielectric cylinder below their cutoff frequency.
R, Sammut, A W, Snyder
openaire   +2 more sources

Leaky modes on W-fibers: mode structure and attenuation

Applied Optics, 1977
The mode structure of a W-fiber has been discussed in conjunction with that of an SC-fiber using the WKB approximation, and the leaky mode attenuation coefficient has been derived using Poynting's vector theorem. Furthermore, a simplified expression for the attenuation coefficient of the W-fiber has been obtained and compared with that of the SC-fiber.
M, Maeda, S, Yamada
openaire   +2 more sources

Quantized mode of a leaky cavity

Physical Review A, 2000
We use Thomson's classical concept of mode of a leaky cavity to develop a quantum theory of cavity damping. This theory generalizes the conventional system-reservoir theory of high-$Q$ cavity damping to arbitrary Q. The small system now consists of damped oscillators corresponding to the natural modes of the leaky cavity rather than undamped ...
S. M. Dutra, G. Nienhuis
openaire   +1 more source

Asymptotic solutions of the leaky modes and PML modes in a Pekeris waveguide

Wave Motion, 2008
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhu, Jianxin, Lu, Ya Yan
openaire   +1 more source