Results 61 to 70 of about 22,985 (275)

Challenges and Opportunities of Upconversion Nanoparticles for Emerging NIR Optoelectronic Devices

Advanced Materials, EarlyView.
The special photo‐responsiveness of upconversion nanoparticles has opened up a new path for the advancement of near‐infrared (NIR)‐responsive optoelectronics. However, challenges such as low energy‐conversion efficiency and high nonradiative losses still persist.
Sunyingyue Geng, Hangfei Li, Ziyu Lv, Yongbiao Zhai, Bobo Tian, Ying Luo, Ye Zhou, Su‐Ting Han   +7 more
wiley   +1 more source

Role of Amorphous Phases in Mixed Conduction of Conjugated Regioblock Copolymers for Organic Electrochemical Synaptic Transistors

Advanced Materials, EarlyView.
Critical roles of amorphous and crystalline phases in polymer‐based mixed ionic‐electronic conductors for organic electrochemical synaptic transistors using conjugated regioregular‐block‐regiorandom copolymers are demonstrated. Amorphous phases contribute to gradual polaron formation and strong ion trapping by bipolarons, leading to improved synaptic ...
Kwang‐Hun Choi, Seongil Im, Aaron Plant, Carlos Neri Soto, Hanna Lee, Changsoon Choi, Ho Won Jang, Jeong Ho Cho, Hyunsu Ju, Youngmin Lee, Jung Ah Lim   +10 more
wiley   +1 more source

Ionic Conductive Textiles for Wearable Technology

Advanced Materials, EarlyView.
Recent advances in ionic conductive textiles for wearable technology are summarized, with a focus on soft ionic conductors that exhibit skin‐like flexibility and tissue‐like ion dynamics. Their structures, key characteristics, manufacturing methods, and diverse applications are reviewed.
Lingtao Fang, Yunlu Zhou, Qiyao Huang
wiley   +1 more source

Brain‐Inspired In‐Memory Data Pruning and Computing with TaOx Mem‐Selectors

Advanced Materials, EarlyView.
In article number 2502168, Zhongrui Wang, Xiaoxin Xu, Dashan Shang, and co‐workers present the first nanoscale Mem‐Selector device that integrates both nonvolatile resistive memory and volatile threshold switching functionalities for visual data pruning.
Yi Li, Jinru Lai, Songqi Wang, Ning Lin, Xu Zheng, Wenxuan Sun, Danian Dong, Xiqing Xu, Haili Ma, Feng Zhang, Xiaojuan Qi, Zhongrui Wang, Xiaoxin Xu, Dashan Shang, Han Wang, Ming Liu   +15 more
wiley   +1 more source

Revisiting Ferroelectric‐Gated Phototransistors: A Tripartite Synapse‐Inspired Approach to In‐Sensor Image Processing

Advanced Materials, EarlyView.
A ferroelectric‐gated phototransistor (FGPT) enables linear and multilevel modulation of photoconductance through partial polarization switching and photogating effects. The device achieves photonic non‐volatility over a 153 dB dynamic range and performs in‐sensor processing under unstructured illumination, demonstrating enhanced face recognition ...
Yubin Lee, Dong Hyun Seo, Jun Seo Lee, Jae Min Jeon, Hyung Rae Kim, Min Seok Kim, Chaehyeon Ahn, Sung‐Un An, Jihun Choi, Hyunseung Kim, Chang Kyu Jeong, Hyunseob Lim, Dong‐Ho Kang, Young Min Song   +13 more
wiley   +1 more source

Long-term potentiation promotes proliferation/survival and neuronal differentiation of neural stem/progenitor cells. [PDF]

PLoS ONE, 2013
Neural stem cell (NSC) replacement therapy is considered a promising cell replacement therapy for various neurodegenerative diseases. However, the low rate of NSC survival and neurogenesis currently limits its clinical potential.
Taesup Cho, Jae K Ryu, Changiz Taghibiglou, Yuan Ge, Allen W Chan, Lidong Liu, Jie Lu, James G McLarnon, Yu Tian Wang   +8 more
doaj   +1 more source

Ferroelectric Quantum Dots for Retinomorphic In‐Sensor Computing

Advanced Materials, EarlyView.
This work has provided a protocol for fabricating retinomorphic phototransistors by integrating ferroelectric ligands with quantum dots. The resulting device combines ferroelectricity, optical responsiveness, and low‐power operation to enable adaptive signal amplification and high recognition accuracy under low‐light conditions, while supporting ...
Tingyu Long, Huanyu Zhou, Jaewan Ko, Hongwei Tan, Jaemin Lim, Yanfei Zhao, Daehan Kang, Eojin Yoon, Gyeong‐Tak Go, Somin Kim, Seung‐Woo Lee, Chan‐Yul Park, Hyojun Choi, Hyeran Kim, Hyung Joong Yun, Sung Hyuk Park, Kwan Sik Park, Jeong Woo Park, Mungeun Kim, Yong Soo Cho, Ho Won Jang, Wenqiang Yang, Min Hyuk Park, Wan Ki Bae, Sebastiaan van Dijken, Joona Bang, Tae‐Woo Lee   +26 more
wiley   +1 more source

Acrylamide inhibits long-term potentiation and learning involving microglia and pro-inflammatory signaling

Scientific Reports, 2022
Acrylamide is a chemical used in various industries and a product following high-temperature cooking of vegetables containing asparagine. Environmental or dietary exposure to acrylamide could impair cognitive function because of its neurotoxicity.
Yukitoshi Izumi, Chika Fujii, Kazuko A. O’Dell, Charles F. Zorumski   +3 more
doaj   +1 more source

Li‐Well ZnO Memtransistors: High Reliability for Neuromorphic Applications

Advanced Materials, EarlyView.
A novel lithium (Li)‐well ZnO memtransistor integrates transistor switching and nonvolatile memory, akin to ferroelectric field‐effect transistors (FeFETs) and floating gates, while enabling low‐power operation via Li⁺ ion migration. Li⁺ ion migration and switching mechanisms were confirmed by 3D secondary ion mass spectrometry (SIMS).
Ki‐Hoon Son, Hyun‐Sik Kim, Dae‐Hee Han, Hyung‐Kyu Lim, Hong‐Sub Lee   +4 more
wiley   +1 more source

Long-Term Potentiation Enhances Neuronal Differentiation in the Chronic Hypoperfusion Model of Rats

Frontiers in Aging Neuroscience, 2018
Several reports have shown that long-term potentiation (LTP) per se effectively enhances neurogenesis in the hippocampus of intact animals. If LTP can enhance neurogenesis in chronic hypoperfusion, this approach could potentially become a new therapeutic
Hayato Takeuchi, Masahiro Kameda, Takao Yasuhara, Tatsuya Sasaki, Atsuhiko Toyoshima, Jun Morimoto, Kyohei Kin, Mihoko Okazaki, Michiari Umakoshi, Ittetsu Kin, Ken Kuwahara, Yosuke Tomita, Isao Date   +12 more
doaj   +1 more source