Results 41 to 50 of about 20,551 (215)

Microwave Imaging of Anisotropic Objects by Artificial Intelligence Technology

Sensors, 2023
In this paper, we present the microwave imaging of anisotropic objects by artificial intelligence technology. Since the biaxial anisotropic scatterers have different dielectric constant components in different transverse directions, the problems faced by
Shu-Han Liao, Chien-Ching Chiu, Po-Hsiang Chen, Hao Jiang   +3 more
doaj   +1 more source

Green function for hyperbolic media [PDF]

, 2012
We revisit the problem of the electromagnetic Green function for homogeneous hyperbolic media, where longitudinal and transverse components of the dielectric permittivity tensor have different signs.
Belov, Pavel A., Kivshar, Yuri S., Poddubny, Alexander N., Potemkin, Andrey S.   +3 more
core   +2 more sources

CMB Temperature Polarization Correlation and Primordial Gravitational Waves: WMAP5

Advances in Astronomy, 2009
we continue our study of the CMB temperature polarization (TE) cross-correlation as a source of information about primordial gravitational waves (PGWs). In a previous paper, we considered two methods for detecting PGWs using the TE cross-correlation. The
N. J. Miller, B. G. Keating, A. G. Polnarev   +2 more
doaj   +1 more source

Lasing Threshold Condition for Oblique TE and TM Modes, Spectral Singularities, and Coherent Perfect Absorption

, 2015
We study spectral singularities and their application in determining the threshold gain coefficient $g^{(E/M)}$ for oblique transverse electric/magnetic (TE/TM) modes of an infinite planar slab of homogenous optically active material. We show that $g^{(E)
Mostafazadeh, Ali, Sarisaman, Mustafa
core   +1 more source

Vacancy defect‐induced electron homing breaks phosphodiester bonds for RNA depletion‐driven cancer therapy

BMEMat, EarlyView.
Illustration of 5% S‐vacancy Bi2S3 mediated phosphodiester bonds cleavage in RNA of hepatocellular carcinoma cells, which suppressing ERI3 expression, inhibiting cell proliferation and promoting apoptosis. Abstract Genome‐wide hypertranscription is a hallmark of malignant progression.
Chuncheng Yang, Zehao Shen, Guangming Xiang, Zhe Liu, Huaxin Liu, Jiabei Li, Ao Wang, Yelin Wu, Peiran Zhao, Xingwu Jiang, Jinghan Wang, Xiaoqing Jiang, Wenbo Bu   +12 more
wiley   +1 more source

Thermal dynamics of thermoelectric phenomena from frequency resolved methods

AIP Advances, 2016
Understanding the dynamics of thermoelectric (TE) phenomena is important for the detailed knowledge of the operation of TE materials and devices. By analyzing the impedance response of both a single TE element and a TE device under suspended conditions ...
J. García-Cañadas, G. Min
doaj   +1 more source

The scale matters: A review on stimuli‐responsive microrobots categorized by scale for biomedical applications

Responsive Materials, EarlyView.
We systematically summarize how each scale dictates fundamental choices in design feature, manufacturing technology, driving mechanism, and control strategy, which are inherently governed by scale‐dominated physical principles. Furthermore, the application of scale‐determined operation modes of microrobots across different stages of medical ...
Hang Yin, Yujing Li, Guanghao Wu, Yubing Guo   +3 more
wiley   +1 more source

The oscillatory response of the electroretinogram and neuronal adaptation

Acta Ophthalmologica, EarlyView.
Abstract After more than 50 years, there still remains a challenge and an interest to know more as well as extend and deepen our understanding of the small rapid wavelets, the oscillatory potentials (OPs), of the electroretinogram (ERG) and the neuronal adaptation of the retina.
Lillemor Wachtmeister, Anders Eklund
wiley   +1 more source

Revisiting Tide‐Induced Near‐Field Mixing in the Abyssal Ocean

Geophysical Research Letters
Vertical two‐dimensional numerical experiments incorporating Garrett‐Munk (GM) internal waves are conducted to investigate tide‐induced near‐field mixing over a finite‐amplitude sinusoidal seafloor, conventionally attributed to the breaking of high ...
Toshiyuki Hibiya, Yuki Tanaka, Taira Nagai, Yusuke Hirano   +3 more
doaj   +1 more source

Gradient Optics of subwavelength nanofilms [PDF]

, 2007
Propagation and tunneling of light through subwavelength photonic barriers, formed by dielectric layers with continuous spatial variations of dielectric susceptibility across the film are considered.
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core   +3 more sources