Results 81 to 90 of about 410,733 (253)

Efficient Carbon‐Based Optoelectronic Synapses for Dynamic Visual Recognition

Advanced Science
The human visual nervous system excels at recognizing and processing external stimuli, essential for various physiological functions. Biomimetic visual systems leverage biological synapse properties to improve memory encoding and perception ...
Wenhao Liu, Jihong Wang, Jiahao Guo, Lin Wang, Zhen Gu, Huifeng Wang, Haiping Fang   +6 more
doaj   +1 more source

Stomatin-like Protein 2 Links Mitochondria to T-Cell Receptor Signalosomes at the Immunological Synapse and Enhances T-Cell Activation [PDF]

, 2007
T cell activation through the antigen receptor (TCR) requires sustained signalling from microclusters in the peripheral region of the immunological synapse (IS).
Joaquin Madrenas, Maria E. Marquez, Mark G. Kirchhof, Isaac Blaca, Peter J. Darlington, Santosh Vardhana, Luan A. Chau, Roy Taylor, Caitlin D. Lemke, Kamilia Rizkalla, Michael L. Dustin   +10 more
core  

Ferroelectric Devices for In‐Memory and In‐Sensor Computing

Advanced Science, EarlyView.
Inspired by biological systems, in‐memory and in‐sensor computing overcome von Neumann bottlenecks. Ferroelectric devices can mimic synaptic functions and sense stimuli like light or force, therefore are ideal for these paradigms. This review introduces the ferroelectric devices applied for in‐memory and in‐sensor computing, covering their structures ...
Hong Fang, Ronghuan Xie, Qiang Cao, Shishen Yan, Xiaolin Wang, Limei Zheng   +5 more
wiley   +1 more source

First‐Principles Study of the Electronic Properties of Egg Albumen Optoelectronic Artificial Synapses by Carbon Nanotube Insertion

Advanced Electronic Materials
The realization of artificial synapses based on biomaterials is of great significance for the development of environmentally friendly neuromorphic hardware systems and artificial intelligence.
Lu Wang, Tianyu Yang, Yuehang Ju, Dianzhong Wen   +3 more
doaj   +1 more source

Trap-state depth distribution as the physical origin of multi-timescale synaptic plasticity in MoS2 optoelectronic synapses: A perspective [PDF]

AIP Advances
Optoelectronic synapses based on two-dimensional MoS2 can emulate both short-term and long-term synaptic plasticity using light stimuli. However, the physical parameter governing accessible plasticity timescales remains unclear, which prevents the design
Abhinav Raj, Daksh Daksh
doaj   +1 more source

Ephrins and Eph Receptor Tyrosine Kinases in Synapse Formation

, 2009
Here, we discuss what is known about the function of ephrins and Eph receptors In synapse formation in the peripheral nervous system and central nervous system.
Daniel J. Liebl, Liebl, Daniel J., Krull, Catherine E., Catherine E. Krull   +3 more
core   +1 more source

Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices

Advanced Science, EarlyView.
Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen, Wei Zeng, Zherui Zhao, JiYu Zhao, Ziyan Huang, Zhuo Chen, Kui Zhou, Guanglong Ding, Su‐Ting Han, Ye Zhou   +9 more
wiley   +1 more source

Oxide Semiconductor Memristor‐Based Optoelectronic Synaptic Devices With Quaternary Memory Storage

Advanced Electronic Materials
A pioneering integration of oxide semiconductor memristors with optoelectronic features is presented, surpassing binary limitations to realize multi‐valued synaptic operations.
Jeong‐Hyeon Kim, Hye Jin Lee, Hee‐Jin Kim, Jongyun Choi, Jae‐Hyeok Oh, Dae‐Choul Choi, Jisu Byun, Seung‐Eon Ahn, Sung‐Nam Lee   +8 more
doaj   +1 more source

Ga₂O₃-Based Optoelectronic Memristor and Memcapacitor Synapse for In-Memory Sensing and Computing Applications

Nanomaterials
This study presents the fabrication and characterization of a dual-functional Pt/Ga2O3/Pt optoelectronic synaptic device, capable of operating as both a memristor and a memcapacitor.
Hye Jin Lee, Jeong-Hyeon Kim, Seung Hun Lee, Sung-Nam Lee   +3 more
doaj   +1 more source

Retina‐Inspired Bi‐Based Terahertz Photonic Neuromorphic Devices

Advanced Science, EarlyView.
Combined with effective band alignment and substrate engineering, bismuth materials are introduced to form terahertz photonic bio‐inspired devices with picosecond short‐term plasticity to enable multi‐scene visual perception. Thus obtained hardware through the terahertz optical neural network (THz‐ONN) demonstrates high recognition accuracy, providing ...
Pujing Zhang, Donggang Xie, Longyu Shi, Mengyuan Wang, Huiwen Shi, Yu Wu, Menglei Li, Guangwei She, Peijie Wang, Wensheng Shi, Cunlin Zhang, Kuijuan Jin, Guozhen Yang, Qingli Zhou, Chen Ge   +14 more
wiley   +1 more source