Results 111 to 120 of about 43,625 (354)

Fibronectin1‐Expressing Subicular Circuits Selectively Govern the Retrieval of Novel Object Recognition

Advanced Science, EarlyView.
Fibronectin 1 (FN1)‐expressing subicular subpopulations encode novel object preference and selectively govern retrieval of novel object recognition (NOR) via affecting excitability of entorhinal‐projecting circuit through large conductance Ca2+‐activated potassium (BK) channel. ABSTRACT Novel object recognition (NOR), referring to the cognitive ability
Fan Fei, Jiaying Shi, Jing Xi, Yixiang Xu, Shuye Ying, Xukun Fan, Wangjialu Lu, Zhisheng Li, Menghan Li, Yu Wang, Li Cheng, Lin Yang, Lingyu Xu, Zhong Chen, Cenglin Xu, Yi Wang   +15 more
wiley   +1 more source

Synchrotron XRF Imaging Reveals Manganese Accumulation in the Golgi and Post‐Synapses of Neurons and Enhanced Uptake in Astrocytes

Advanced Science, EarlyView.
Despite widespread exposure, the mechanisms of manganese neurotoxicity remain poorly understood. Using correlative cryogenic fluorescence and synchrotron X‐ray fluorescence imaging techniques, we show that the Golgi apparatus is the primary accumulation site for manganese in both neurons and astrocytes, and that manganese targets the neuronal ...
Ines Kelkoul, Aiyarin Kittilukkana, Luis C. C. Huarte, Hiram Castillo‐Michel, Murielle Salome, Stéphane Roudeau, Pauline Belzanne, Matthieu Sainlos, Noémie Pied, Monica Fernandez‐Monreal, Daniel Choquet, Richard Ortega, Asuncion Carmona   +12 more
wiley   +1 more source

Ultrafast GaAs microwave PIN diode

Electronics Letters, 1983
This letter describes what is believed to be the first successful realisation of GaAs PIN diodes. The vertical structure was grown on an n+ substrate by MOCVD of a 2 μm, 1015 cm−3 unintentionally doped n− layer followed by a 0.3 μm, 4×1019 cm−3 Zn doped p+ layer. The isolation and insertion loss of a single shunt-mounted device are typically −27 dB and
R. Tayrani, R.W. Glew
openaire   +1 more source

Nanoscale Spatial Organization of ARC High‐ and Low‐Order Assemblies at Excitatory Synapses

Advanced Science, EarlyView.
ARC (Activity‐Regulated Cytoskeleton‐Associated protein) mediates synaptic plasticity by forming nanoscale assemblies in neurons. Using super‐resolution microscopy and time‐resolved anisotropy with targeted tagging, the study reveals low‐order ARC assemblies at synapses colocalizing with AMPARs, semi‐circular structures at endocytic zones, and 60–80 nm
Martina Damenti, Giovanna Coceano, Mariline Mendes Silva, Jonatan Alvelid, Chiara Sgattoni, Andrea Volpato, Lea Rems, Luciano A. Masullo, Eduard M. Unterauer, Rafal Kowalewski, Lucie Delemotte, Erdinc Sezgin, Ralf Jungmann, Ilaria Testa   +13 more
wiley   +1 more source

Multifunctional Metasurface with PIN Diode Application Featuring Absorption, Polarization Conversion, and Transmission Functions

Micromachines
The objective of this paper is to explore the potential of integrating three distinct functionalities into a thin, single-layer metasurface. Specifically, the study introduces a metasurface design that combines absorption, polarization conversion, and ...
Francisco D. M. Nobre, Thayana M. L. de Sousa, Antônio L. P. S. Campos, Maurício W. B. da Silva   +3 more
doaj   +1 more source

Random Time‐Space Coding Metasurfaces for Spatial Control of the Temporal Statistics of Electromagnetic Fields

Advanced Science, EarlyView.
A probabilistic framework based on random time‐space coding metasurfaces enables control of the spatial distribution of electromagnetic fields temporal statistics. By tailoring the marginal and joint distributions of random codes, electromagnetic fields with desired mean and variance patterns are realized, enabling simultaneous transmission and jamming.
Jia Cheng Li, Jiang Han Bao, Che Liu, Tie Jun Cui   +3 more
wiley   +1 more source

Band-Notched UWB Antenna with Switchable and Tunable Performance

International Journal of Antennas and Propagation, 2016
A band-notched UWB antenna is presented, which can switch between two notch bands and tune the central frequency simultaneously. It is the first time that the switchable and tunable behaviours are combined together in band-notched UWB antennas.
Wei Wu, Yun-Bo Li, Rui-Yuan Wu, Chuan-Bo Shi, Tie-Jun Cui   +4 more
doaj   +1 more source

Toward Next‐Generation High‐Speed Communication and Imaging: Solution‐Processed Sb2(S,Se)3/CdS Heterojunction for Ultrafast Self‐Powered Photodetector

Advanced Science, EarlyView.
A high‐quality solution‐processed Sb2(S,Se)3/CdS heterojunction is designed to overcome the intrinsic limitations of conventional photodetectors. The fabricated device achieves an excellent self‐powered performance, including a high responsivity of 0.6 A W−1, an ultrahigh specific detectivity of 7.68 × 1012 Jones, and a wide 3db bandwidth of 175 kHz ...
Xuhua Xiao, Yichao Wang, Jingxuan Bian, Hailong Wang, Yongqiang Wang, Jinpeng Xu, Junwei Chen   +6 more
wiley   +1 more source

Very High In‐Plane Magnetic Field Sensitivity in Ion‐Implanted 4H‐SiC PIN Diodes

Advanced Electronic Materials
In this study ion‐implanted lateral 4H‐SiC pin diodes are reported, which show an unexpectedly high room temperature in‐plane magnetic field sensitivity approaching 100 % at 0.5 Tesla.
Hesham Okeil, Tobias Erlbacher, Gerhard Wachutka   +2 more
doaj   +1 more source

Low-Profile ESPAR Using Metamaterial-Inspired Structure

IEEE Open Journal of Antennas and Propagation
This paper addresses the 3D nature of traditional Electronically Steerable Parasitic Array Radiators (ESPARs). Additionally, the required distance between the main radiator and the parasitic elements usually affects the antenna’s electrical size ...
Amir Jafargholi, Mahmood Safaei, Romain Fleury, Rahim Tafazolli   +3 more
doaj   +1 more source