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240615s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202405145
|2 doi
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|a pubmed24n1502.xml
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|a (NLM)38877385
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|a DE-627
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|a eng
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|a Lv, Ziyu
|e verfasserin
|4 aut
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|a Development of Bio-Voltage Operated Humidity-Sensory Neurons Comprising Self-Assembled Peptide Memristors
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 15.08.2024
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|a Date Revised 15.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Biomimetic humidity sensors offer a low-power approach for respiratory monitoring in early lung-disease diagnosis. However, balancing miniaturization and energy efficiency remains challenging. This study addresses this issue by introducing a bioinspired humidity-sensing neuron comprising a self-assembled peptide nanowire (NW) memristor with unique proton-coupled ion transport. The proposed neuron shows a low Ag+ activation energy owing to the NW and redox activity of the tyrosine (Tyr)-rich peptide in the system, facilitating ultralow electric-field-driven threshold switching and a high energy efficiency. Additionally, Ag+ migration in the system can be controlled by a proton source owing to the hydrophilic nature of the phenolic hydroxyl group in Tyr, enabling the humidity-based control of the conductance state of the memristor. Furthermore, a memristor-based neuromorphic perception neuron that can encode humidity signals into spikes is proposed. The spiking characteristics of this neuron can be modulated to emulate the strength-modulated spike-frequency characteristics of biological neurons. A three-layer spiking neural network with input neurons comprising these highly tunable humidity perception neurons shows an accuracy of 92.68% in lung-disease diagnosis. This study paves the way for developing bioinspired self-assembly strategies to construct neuromorphic perception systems, bridging the gap between artificial and biological sensing and processing paradigms
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|a Journal Article
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|a artificial neuron
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|a humidity‐dependent modulation
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|a neuromorphic perception
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|a peptide memristor
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|a self‐assembled nanowire
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|a Peptides
|2 NLM
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|a Zhu, Shirui
|e verfasserin
|4 aut
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|a Wang, Yan
|e verfasserin
|4 aut
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|a Ren, Yanyun
|e verfasserin
|4 aut
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|a Luo, Mingtao
|e verfasserin
|4 aut
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|a Wang, Hanning
|e verfasserin
|4 aut
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|a Zhang, Guohua
|e verfasserin
|4 aut
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|a Zhai, Yongbiao
|e verfasserin
|4 aut
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|a Zhao, Shilong
|e verfasserin
|4 aut
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|a Zhou, Ye
|e verfasserin
|4 aut
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|a Jiang, Minghao
|e verfasserin
|4 aut
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|a Leng, Yan-Bing
|e verfasserin
|4 aut
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|a Han, Su-Ting
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 33 vom: 30. Aug., Seite e2405145
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:33
|g day:30
|g month:08
|g pages:e2405145
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|u http://dx.doi.org/10.1002/adma.202405145
|3 Volltext
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