A5100346421- Acute Ischemic Stroke Management
- Advanced Optical Imaging Technologies
- Photorefractive and Nonlinear Optics
- Stroke Rehabilitation and Recovery
- Venous Thromboembolism Diagnosis and Management
- Cerebrovascular and Carotid Artery Diseases
- Neuroinflammation and Neurodegeneration Mechanisms
- Neutrino Physics Research
- Photonic and Optical Devices
- Chemical Synthesis and Analysis
- Particle physics theoretical and experimental studies
- Carbohydrate Chemistry and Synthesis
- Satellite Communication Systems
- Traumatic Brain Injury and Neurovascular Disturbances
- Intracranial Aneurysms: Treatment and Complications
- Silicon Carbide Semiconductor Technologies
- Glycosylation and Glycoproteins Research
- Atomic and Subatomic Physics Research
- Particle accelerators and beam dynamics
- Dark Matter and Cosmic Phenomena
- Heart Rate Variability and Autonomic Control
- Muon and positron interactions and applications
- Optical Coatings and Gratings
- High-Voltage Power Transmission Systems
- Particle Detector Development and Performance
Nankai University
2025
Soochow University
2023-2024
Southeast University
2005-2024
Harbin Engineering University
2024
Nanjing University of Information Science and Technology
2022-2023
Guilin University of Electronic Technology
2023
Hunan University
2023
China Pharmaceutical University
2021-2022
Xi'an Jiaotong University
2022
China Southern Power Grid (China)
2021
In this Letter, we demonstrate polarization volume grating (PVG)-based couplers for a double-layer waveguide display to realize full-color near-eye display. The polarized interference exposure with photo-alignment methods was employed generate birefringent spiral configuration two-dimensional periodicity in chiral-dopant reactive mesogen material. Such structure presents unique highly efficient single-order Bragg diffraction selectivity. prepared PVG exhibited over 80% efficiency large...
We investigate outage constrained robust multigroup multicast beamforming for multi-beam satellite communication systems with full frequency reuse. Based on a downlink beam domain channel model phase uncertainty taken into account, we first the aim to maximize worst-case signal-to-interference-plus-noise ratio under and per-beam power constraints. then cast design convex optimization framework some approximation techniques. Simulation results show that proposed beamformer can provide...
We investigate robust multigroup multicast transmission for frame-based multi-beam satellite communication systems with full frequency reuse. To mitigate the effect of outdated channel state information (CSI), we first precoding that maximizes minimum average signal to interference plus noise ratio (SINR) under per-beam power constraints. show relationship between max-min fair problem and minimization partial CSI propose a low complexity precoder problem. then user clustering which only...
Dexmedetomidine displays multiple mechanisms of neuroprotection in ameliorating ischemic brain injury.In this study, we explored the beneficial effects dexmedetomidine on blood-brain barrier (BBB) integrity and neuroinflammation cerebral ischemia/reperfusion injury.Sprague-Dawley rats were subjected to middle artery occlusion (MCAO) for 1.5 h reperfusion 24 establish a rat model injury.Dexmedetomidine (9 g/kg) was administered 30 min after MCAO through intravenous injection, SB203580 (a p38...
Abstract Transition-metal catalyzed carbosilylation of alkenes using carbon electrophiles and silylmetal (-B, -Zn) reagents as the nucleophiles offers a powerful strategy for synthesizing organosilicones, by incorporating silyl groups across on C-C double bonds in one step. However, to best our knowledge, study silylative difunctionalization based remains underdeveloped. Herein, we present an example alkylation activated olefins with unactivated alkyl bromides chlorosilanes under nickel...
Rare-earth ion doped crystals are of great significance for microsensing and quantum information, while the ions in emit light with spontaneous partial polarization, which is, though believed to be originated from crystal lattice structure, still lacking a deterministic explanation that can tested quantitative accuracy. We report experimental evidence showing profound physical relation between polarization degree emitted by symmetry demonstrating, high precision, constant ratio c/a directly...
Abstract Ischemia-reperfusion injury (IRI) is an important cause of adverse prognosis after recanalization in patients with acute occlusion major intracranial artery (AOMIA). Here, we provided data indicating that gradual flow restoration (GFR) would be superior to rapid (RFR) alleviating cerebral IRIs middle (MCAO) rats. A total 94 MCAO rats 15, 30 and 60-minute were randomly assigned receive either GFR or RFR intervention. There significant differences between group mean neurological...
The anomeric configuration can greatly affect the biological functions and activities of carbohydrates. Herein, we report that N-phenyltrifluoroacetimidoyl (PTFAI), a well-known leaving group for catalytic glycosylation, act as stereodirecting challenging 1,2-cis α-glycosylation. Utilizing rapidly accessible 1,6-di-OPTFAI glycosyl donors, TMSOTf-catalyzed glycosylation occurred with excellent α-selectivity broad substrate scope, remaining 6-OPTFAI be cleaved chemoselectively. remote...
We present a volume holographic waveguide display by dispersing gold nanoparticles (Au-NPs) in acrylate-based photopolymer. The diffractive bandwidth and diffraction efficiency (DE) of the grating (VHG) applied for displays are characterized analyzed through both simulations experiments. results show that wavelength VHG can be enlarged to 30 nm with corresponding refractive index modulation (RIM) increased around 0.08 Au-NPs concentration 0.012 g/ml into Finally, green monochromatic system...
Comprehensive Summary The configuration of the anomeric glycosidic linkages is crucial for maintaining biological functions and activities carbohydrate molecules. However, their stereochemistry control in glycosylation represents one most challenging tasks chemistry. In this report, easily accessible 2‐diphenylphosphinoyl‐acetyl (DPPA) group was developed as a highly stereodirecting catalytic via hydrogen‐bond mediated delivery alcoholic acceptors. TMSOTf‐catalyzed with DPPA‐installed...
A ray-tracing model is developed based on coupled wave theory for a volume holographic grating, which the most important element of waveguide display but not accessibly integrated in current optical design software. The fully and faithfully represents angular selectivity, wavelength polarization, other properties in-coupling, out-coupling, expansion gratings. It especially that compatible with In this paper, combining mature simulation functions Zemax, models are built typical...
This work proposes a green light-sensitive acrylate-based photopolymer. The effects of the preparation conditions for waveguide applied volume holographic gratings (VHGs) were experimentally investigated. optimum recording revealed. After optimization, peak VHG diffraction efficiency reached 99%, diffractive wavelength bandwidth increased from 13 nm to 22 nm, and corresponding RIM was 0.06. To prove wide application prospect photopolymer in head-mounted augmented reality (AR) displays,...
Carotid artery stenosis, primarily caused by atherosclerosis, is a major risk factor for ischemic stroke. endarterectomy (CEA) and carotid stenting (CAS) are established interventions to reduce stroke restore cerebral blood flow. However, the effect of these treatments on circadian rhythms, their influence recovery, remains underexplored. This study aims assess how disruptions in rhythms-specifically sleep quality pressure variability-impact recovery patients undergoing CEA or CAS. We...
<title>Abstract</title> Peripheral nerve injuries, especially those involving the sciatic nerve, often result in persistent deficits with limited treatment options. To dissect cellular mechanisms of repair, we performed single − cell RNA sequencing on rat nerves at seven time points (Day 0, 1, 3, 5, 7, 10, 14) following transection injury. We identified dynamic changes four major compartments—neurofibroblasts (NFs), glial cells (Glis), immune cells, and vascular cells. Early responses 1)...
Planar waveguide structure has benefits to expand the exit pupil of near-eye display. To achieve a uniform output luminance within expanded pupil, specific distribution diffractive efficiency (DE) should be set for out-coupling grating. In this paper, physical model is built study DE grating with consideration whole field view. Compared previous works, which only considered central view angle, more consistent actual situations realize imaging waveguide-based display system. Also, planar two...
Cerebral ischemia‑reperfusion injury (CIRI) usually causes detrimental complications following reperfusion therapy in stroke patients. The present study systematically investigated the regulatory mechanism involved pathogenesis of CIRI using gene set enrichment analysis transient middle cerebral artery occlusion mouse model. results revealed a total 13 CIRI‑related transcription factors (TFs), including CCAAT enhancer binding protein b (Cebpb), Cebpa, early growth response‑1, Fos, Rela,...
Abstract The prominent vessel sign (PVS) on susceptibility-weighted imaging (SWI) is not displayed in all cases of acute ischemia. We aimed to investigate the factors associated with presence PVS stroke patients. Consecutive ischemic patients admitted within 24 h from symptom onset underwent emergency multimodal MRI at admission. Associated for were analyzed using univariate analyses and multivariable logistic regression analyses. A total 218 enrolled. occurrence rate was 55.5%. Univariate...
With the extensive application and reform of Blockchain technology in fields finance supply chain, further development has increasingly attracted great interest air transport industry. The is gradually deeply integrated with cloud computing, Internet Things (IoT), Big Data, Artificial Intelligence (AI) other emerging information technologies to create ecosystem-level for civil aviation. In this paper, its relationship are combed detail. Then, applicability aviation briefly analyzed. Finally,...
Offshore wind power through flexible dc transmission system faces the challenge of comprehensively improving transient and steady-state performance. However, existing control strategies often fail to address both simultaneously. This article proposes a coordinated strategy based on hybrid modular multilevel converter that can enhance resilience system. First, coupling relationship between submodule capacitor voltage active is analyzed, virtual capacitance (SVCC) proposed enhances inertia....
Objective Covered stenting is an optional strategy for traumatic carotid pseudoaneurysm, especially in malignant conditions of potential rupture, but the long-term outcomes are not clear. Our aim was to determine if covered effective option pseudoaneurysm with promising outcomes. Methods Self-expanding Viabahn and balloon-expandable Willis stents were separately implanted extra- intracranial pseudoaneurysm. The stent placed across distal proximal leakage under roadmap guidance. Procedural...
Endovascular recanalization (ER) has demonstrated efficacy as a treatment modality for patients presenting with acute ischemic stroke (AIS) caused by large-vessel occlusion (LVO) within 24-hour timeframe. Nevertheless, the safety and effectiveness of ER in time onset exceeding 24 h remain uncertain.
Futile recanalization (FR) is defined as patients with acute ischemic stroke (AIS) due to large vessel occlusion who still exhibits functional dependence although undergoing successful mechanical thrombectomy (MT). We aimed develop and validate a simple nomogram for predicting the probability of FR after MT treatment in AIS patients.
Abstract In this paper, a reinforcement learning method is utilized to solve the steel production scheduling problem. Based on characteristics of processing, model hybrid flow-shop problem constructed. Then attributed Markov Decision Process, and corresponding states, actions, reward function are put forward. When trading off exploration exploitation, an improved ε -greedy policy designed. Finally, based applied example processing. Compared genetic algorithm, gets better result.