Search results for: Hao Shen

Items from 1 to 20 out of 591 results

article

Adaptive predefined‐time quantized tracking control for switched nonlinear systems using command‐filter backstepping

Lei Su, Ling Jin, Jing Wang, Hao Shen

International Journal of Robust and Nonlinear Control > 34 > 13 > 9040 - 9054

This article investigates the command‐filter‐based improved predefined‐time tracking control problem for a class of switched nonlinear systems with the quantized input signal. Essentially different from most tracking control works of switched nonlinear systems under input quantization, the nonlinear decomposition method is employed to tackle the obstacles from the predefined‐time controller design...

article

P‐106: A Based Machine Learning Model for the Prediction of Initial Gamma Values for OLED Panels

Hao Shen, Zhifu Su

SID Symposium Digest of Technical Papers > 55 > 1 > 1788 - 1789

Gamma tuning is an important step in producing high‐quality OLED panels; in order to ensure the quality of OLED panels, OLED panels usually need 9 to 12 gamma curves at one frequency, covering the entire brightness range of the panel. And there are several adjusting nodes (generally 15~27) on each gamma curve. The current gamma tuning needs to calibrate each node through external optical equipment...

article

UBC9‐mediated SUMOylation of Lamin B1 enhances DNA‐damage‐induced nuclear DNA leakage and autophagy after spinal cord injury

Yun‐peng Fan, Jun‐sheng Lou, Meng‐ran Jin, Cong‐hui Zhou, more

Journal of Cellular Physiology > 239 > 5 > n/a - n/a

Recent studies have shown that nucleophagy can mitigate DNA damage by selectively degrading nuclear components protruding from the nucleus. However, little is known about the role of nucleophagy in neurons after spinal cord injury (SCI). Western blot analysis and immunofluorescence were performed to evaluate the nucleophagy after nuclear DNA damage and leakage in SCI neurons in vivo and NSC34 expression...

article

Solid Electrolyte Bimodal Grain Structures for Improved Cycling Performance

Zhanhui Jia, Hao Shen, Jiawei Kou, Tianyi Zhang, more

Advanced Materials > 36 > 18 > n/a - n/a

The application of solid‐state electrolytes in Li batteries is hampered by the occurrence of Li‐dendrite‐caused short circuits. To avoid cell failure, the electrolytes can only be stressed with rather low current densities, severely restricting their performance. As grain size and pore distributions significantly affect dendrite growth in ceramic electrolytes such as Li₇La₃Zr₂O₁₂ and its variants;...

article

Exposure to Persistent Organic Pollutants in Australian Waterbirds

Damien Nzabanita, Hao Shen, Stephen Grist, Phoebe J. Lewis, more

Environmental Toxicology and Chemistry > 43 > 4 > 736 - 747

There is growing worldwide recognition of the threat posed by persistent organic pollutants (POPs) to wildlife populations. We aimed to measure exposure levels to POPs in a Southern Hemisphere aquatic waterbird species, the nomadic gray teal (Anas gracilis), which is found across Australia. We collected wings from 39 ducks harvested by recreational hunters at two sites (one coastal, one inland) in...

article

Light‐Assisted Lithium Metal Anode Enabled by In Situ Photoelectrochemical Engineering

Weizhai Bao, Ronghao Wang, Chengfei Qian, Hao Shen, more

Small > 20 > 9 > n/a - n/a

Rechargeable battery devices with high energy density are highly demanded by the modern society. The use of lithium (Li) anodes is extremely attractive for future rechargeable battery devices. However, the notorious Li dendritic and instability of solid electrolyte interface (SEI) issues pose series of challenge for metal anodes. Here, based on the inspiration of in situ photoelectrochemical engineering,...

article

Neutrophil Function Conversion Driven by Immune Switchpoint Regulator against Diabetes‐Related Biofilm Infections

Geyong Guo, Zihao Liu, Jinlong Yu, Yanan You, more

Advanced Materials > 36 > 8 > n/a - n/a

Reinforced biofilm structures and dysfunctional neutrophils induced by excessive oxidative stress contribute to the refractoriness of diabetes‐related biofilm infections (DRBIs). Herein, in contrast to traditional antibacterial therapies, an immune switchpoint‐driven neutrophil immune function conversion strategy based on a deoxyribonuclease I loaded vanadium carbide MXene (DNase‐I@V₂C) nanoregulator...

article

Computational‐Guided Design of Photoelectrode Active Materials for Light‐Assisted Energy Storage

Chengfei Qian, Ronghao Wang, Hao Shen, Jingjie Xia, more

Small > 19 > 47 > n/a - n/a

The design of a novel photoelectric integrated system is considered to be an efficient way to utilize and store inexhaustible solar energy. However, the mechanism of photoelectrode under illuminate conditions is still unclear. Density functional theory (DFT) provides standardized analysis and becomes a powerful way to explain the photoelectrochemical mechanism. Herein, the feasibility of four metal...

article

Dynamic event‐triggered control for delayed switched neural networks: A merging signal scheme

Ping Wang, Zhen Wang, Xia Huang, Hao Shen

International Journal of Robust and Nonlinear Control > 33 > 18 > 11374 - 11391

This paper investigates the asynchronous control of delayed switched neural networks via a dynamic event‐triggering mechanism (DETM) and a merging signal scheme. Firstly, an improved DETM is proposed through adding an exponential decaying term into the triggering condition, which is proved to have a larger lower bound by comparison with the static event‐triggering mechanism (SETM) and the existing...

article

Optimal tracking control for discrete‐time modal persistent dwell time switched systems based on Q‐learning

Xuewen Zhang, Yun Wang, Jianwei Xia, Feng Li, more

Optimal Control Applications and Methods > 44 > 6 > 3327 - 3341

Based on the Q‐learning, this paper investigates the tracking problem for linear discrete‐time modal persistent dwell time switched systems. The modal persistent dwell time switching rule is introduced to coordinate the switching conditions of each switching subsystems. Moreover, two algorithms are given to realize the optimization of switched systems. Then, the stability and convergence are proved...

article

Recent Progress in Regenerated Cellulose Fibers by Wet Spinning

Hao Shen, Tingyu Sun, Jinping Zhou

Macromolecular Materials and Engineering > 308 > 10 > n/a - n/a

Cellulose is the most abundant and “green” biomass resource on earth and gains tremendous attention. It is expected to become an alternative for traditional chemical and petroleum resources. This review describes the traditional solvents used for industrial processes, the non‐derivative organic solvents, and the aqueous solution systems, along with their dissolution mechanisms and development of fiber‐spinning...

article

H∞ synchronization of Markov jump neural networks with MPDT switching transition probabilities under DoS attacks

Xiaomin Wang, Feng Li, Hao Shen, Jing Wang

Mathematical Methods in the Applied Sciences > 46 > 14 > 15412 - 15425

In this paper, the

H_{\infty}

synchronization issue of discrete‐time Markov jump neural networks under DoS attacks is studied, in which the transition probability of the Markov chain is considered as time‐varying governed by a mode‐dependent persistent dwell‐time switching rule. The purpose of this paper is to design a suitable controller such that mean‐square exponentially stable of the...

article

Synergistic Visible Light Photocatalysis with Organocatalysis

Jia‐Hao Shen, Min Shi, Yin Wei

Chemistry – A European Journal > 29 > 39 > n/a - n/a

In recent years, the strategy of merging visible light photocatalysis and organocatalysis has been utilized and applied in a wide range of reactions. Taking advantage of synergistic visible light photocatalysis with organocatalysis, remarkable progress has recently been achieved in modern chemical synthesis. In these dual catalytic systems, photocatalysts or photosensitizers absorb visible light to...

article

Multiple μ‐stability analysis of time‐varying delayed quaternion‐valued neural networks

Shiv Shankar Chouhan, Subir Das, Sunny Singh, Hao Shen

Mathematical Methods in the Applied Sciences > 46 > 9 > 9853 - 9875

This article addresses the multiple

μ

‐stability analysis of

n

‐dimensional quaternion‐valued neural networks (QVNNs) with unbounded time‐varying delays (UTVD) and two general classes of activation functions (AFs). Firstly, the QVNNs are decomposed into four equivalent real‐valued systems, and based on the geometrical configuration of the AFs, the state space

ℍ^{n}

...

article

COAP‐Palladium‐Catalyzed Asymmetric Linear Allylic Alkylation of Vinyl Benzoxazinanones for Multifunctional 3,3′‐Disubstituted Oxindole Derivatives

Jun‐Hao Shen, Sheng‐Suo Zhou, Bai‐Lin Wang, Wen‐Kai Liu, more

Advanced Synthesis & Catalysis > 365 > 8 > 1268 - 1274

A Pd‐catalyzed enantioselective linear‐allylic alkylation of vinyl benzoxazinanones with a series of 3‐substituted oxindoles was reported in the presence of a chiral oxamide‐phosphine ligand (COAP−Bn) under mild reaction conditions. A series of optically active multifunctional 3,3′‐disubstituted oxindole derivatives bearing a quaternary stereogenic center and a linear aryl amino side chain were respectively...

article

Advance of Prussian Blue‐Derived Nanohybrids in Energy Storage: Current Status and Perspective

Ronghao Wang, Chengfei Qian, Zherui Zhang, Hao Shen, more

Small > 19 > 14 > n/a - n/a

Great changes have occurred in the energy storage area in recent years as a result of rapid economic expansion. People have conducted substantial research on sustainable energy conversion and storage systems in order to mitigate the looming energy crisis. As a result, developing energy storage materials is critical. Materials with an open frame structure are known as Prussian blue analogs (PBAs)....

article

Improved passivity‐based control for Markovian jump singular systems with aperiodic sampling and actuator failures

Xingyue Liang, Jianwei Xia, Hao Shen, Chengyuan Yan, more

International Journal of Robust and Nonlinear Control > 33 > 3 > 2430 - 2446

This aricle investigates the passivity‐based control problem for Markovian jump singular systems with aperiodic sampling and actuator failures. Firstly, in order to fully consider the system information, two novel mode‐dependent Lyapunov–Krasovskii functions (LKFs) are constructed, which are composed of one‐sided and two‐sided looped‐functionals respectively. Based on these two LKFs and an improved...

article

Low‐Energy Hydrogen Ions Enable Efficient Room‐Temperature and Rapid Plasma Hydrogenation of TiO₂ Nanorods for Enhanced Photoelectrochemical Activity

Xiaodan Wang, Leonhard Mayrhofer, Martin Keunecke, Sonia Estrade, more

Small > 18 > 46 > n/a - n/a

Hydrogenation is a promising technique to prepare black TiO₂ (H‐TiO₂) for solar water splitting, however, there remain limitations such as severe preparation conditions and underexplored hydrogenation mechanisms to inefficient hydrogenation and poor photoelectrochemical (PEC) performance to be overcome for practical applications. Here, a room‐temperature and rapid plasma hydrogenation (RRPH) strategy...

article

Effects of Blue Light on Hypocrellin A Production in Shiraia Mycelium Cultures

Xin Ping Li, Hong Yao Ji, Wen Juan Wang, Wen Hao Shen, more

Photochemistry and Photobiology > 98 > 6 > 1343 - 1354

Blue light is a crucial environmental cue for fungi. Hypocrellin A (HA) is a photoactive perylenequinone from Shiraia with strong antimicrobial and anticancer properties. In this study, effects of the illumination of blue–light‐emitting diode (LED) at 470 nm on Shiraia sp. S8 were investigated. Blue light at 50–200 lx and 4–6 h day⁻¹ could enhance HA content in the mycelia, but suppress it at 300–400...

article

A Wearable Electrowetting on Dielectrics Sensor for Real‐Time Human Sweat Monitor by Triboelectric Field Regulation

Hao Shen, Hao Lei, Mingwei Gu, Sheng Miao, more

Advanced Functional Materials > 32 > 34 > n/a - n/a

Wearable sweat sensors can analyze the abundant composition of solutes and metabolites in sweat to reflect the health state of the wearers in real time. The realization of active motion control for sweat droplets is significant for a multifunctional sweat monitoring device with several analysis chambers. Here, a wearable droplet‐based human sweat monitoring platform (WSMP), by combining an electrowetting...

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INFONA - science communication portal

Search results for: Hao Shen

Adaptive predefined‐time quantized tracking control for switched nonlinear systems using command‐filter backstepping

P‐106: A Based Machine Learning Model for the Prediction of Initial Gamma Values for OLED Panels

UBC9‐mediated SUMOylation of Lamin B1 enhances DNA‐damage‐induced nuclear DNA leakage and autophagy after spinal cord injury

Solid Electrolyte Bimodal Grain Structures for Improved Cycling Performance

Exposure to Persistent Organic Pollutants in Australian Waterbirds

Light‐Assisted Lithium Metal Anode Enabled by In Situ Photoelectrochemical Engineering

Neutrophil Function Conversion Driven by Immune Switchpoint Regulator against Diabetes‐Related Biofilm Infections

Computational‐Guided Design of Photoelectrode Active Materials for Light‐Assisted Energy Storage

Dynamic event‐triggered control for delayed switched neural networks: A merging signal scheme

Optimal tracking control for discrete‐time modal persistent dwell time switched systems based on Q‐learning

Recent Progress in Regenerated Cellulose Fibers by Wet Spinning

H∞ synchronization of Markov jump neural networks with MPDT switching transition probabilities under DoS attacks

Synergistic Visible Light Photocatalysis with Organocatalysis

Multiple μ‐stability analysis of time‐varying delayed quaternion‐valued neural networks

COAP‐Palladium‐Catalyzed Asymmetric Linear Allylic Alkylation of Vinyl Benzoxazinanones for Multifunctional 3,3′‐Disubstituted Oxindole Derivatives

Advance of Prussian Blue‐Derived Nanohybrids in Energy Storage: Current Status and Perspective

Improved passivity‐based control for Markovian jump singular systems with aperiodic sampling and actuator failures

Low‐Energy Hydrogen Ions Enable Efficient Room‐Temperature and Rapid Plasma Hydrogenation of TiO₂ Nanorods for Enhanced Photoelectrochemical Activity

Effects of Blue Light on Hypocrellin A Production in Shiraia Mycelium Cultures

A Wearable Electrowetting on Dielectrics Sensor for Real‐Time Human Sweat Monitor by Triboelectric Field Regulation

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