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This paper presents an adaptive output-feedback neural network (NN) control scheme for a class of stochastic nonlinear time-varying delay systems with unknown control directions. To make the controller design feasible, the unknown control coefficients are grouped together and the original system is transformed into a new system using a linear state(More)
Indices for the diagnosis of hyperacute cerebral infarction (HACI) and the prediction of prognosis are essential for timely and appropriate management. MicroRNAs (miRNAs) that regulate gene expression following stroke have potential use as prognostic markers of HACI. Here, we explored whether concentrations of circulating miRNAs correlate with clinical(More)
Symptomatic vertebral arterial stenosis carries a stroke risk of 30% at 5 years. The efficacy of stenting with balloon-expandable stents remains questionable due to a high long-term restenosis rate. This study aimed to investigate the feasibility and efficacy of using self-expanding stents to treat symptomatic vertebral artery ostium (VAO) stenosis in(More)
This paper investigates the problem of adaptive neural networks output feedback control for a class of stochastic nonlinear system with unmodeled dynamics and unmeasured states. To avoid the problem of ‘explosion of complexity’ inherent in the conventional backstepping design procedure, the dynamic surface control (DSC) technique is applied to the control(More)
Endothelial progenitor cells (EPC) are believed to be involved in aneurysmal repair and remodeling. The aim of this study was to test this hypothesis and, if true, explore how EPC contribute to aneurysm repair in a rabbit model of elastase-induced carotid aneurysm. Rabbits were divided randomly into an in situ carotid EPC transfusion group (ISCT group,(More)
Objective: The aim of this study was to explore the effect of endothelial progenitor cells (EPCs)-collagen sponge complex on the neovascularization of chronic cerebral ischemia following multiple burr hole (MBH) surgery. Methods: Bone marrow-derived EPCs from 5 Fisher 344 (F344) inbred rats were cultured and amplified in vitro, then co-cultured to become(More)
OBJECTIVE We sought to inspect the role of AMD3100, which acts as an antagonist of stromal cell-derived factor-1/CXC chemokine receptor 4 on the formation of neointima in rabbit saccular aneurysm after flow diverter (FD) treatment. METHODS Twenty saccular aneurysm models were established by using porcine pancreatic elastase. Three weeks later, a Tubridge(More)
With the rapid development of information technologies, our daily life has become deeply dependent on cyberspace. The new technologies provide more facilities and enhancements to the existing Internet services as it allows users more flexibility in terms of exploring webpages, sending messages or publishing tweets via cell phones or laptops. However, there(More)
By the combination of the adaptive backstepping design with the dynamic surface control technique, an novel adaptive neural control approach is investigated for a class of pure-feedback stochastic nonlinear systems with multiple unknown time-varying delays. To overcome the design difficulty arising from the non-affine structure of pure-feedback stochastic(More)