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Collective behavior of cortico-thalamic circuits:Logic gates as the thalamus and a dynamical neuronal network as the cortex

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Chinese Physics B 2022年第2期31卷 687-695页

作者： Alireza Bahramian Sajjad Shaukat Jamal Fatemeh Parastesh kartikeyan rajagopal Sajad Jafari Department of Biomedical Engineering Amirkabir University of Technology(Tehran polytechnic)Iran Department of Mathematics College of ScienceKing Khalid UniversityAbhaSaudi Arabia Centre for Nonlinear Systems Chennai Institute of TechnologyChennaiIndia Health Technology Research Institute Amirkabir University of Technology(Tehran polytechnic)Iran

This paper introduces a two-layer network to investigate the effects of cortico-thalamic circuits on the cortex’s collective *** the brain,different parts of the cortex collaborate to process *** of the main parts,which is the path of different cortex contacts,is the thalamus whose circuit is referred to as the"vertical"cortico-thalamic *** subnuclei can participate in the processing of the information that passes through *** has been shown that they play the functional role of logic gates(AND,OR and XOR).To study how these thalamus circuits affect the cortical neuron behavior,a two-layer network is proposed wherein the cortex layer is composed of Hindmarsh–Rose models and the thalamus layer is constructed with logic *** show that considering these logic gates can lead the network towards different synchronization,asynchronization,chimera and solitary *** is revealed that for AND-gate and OR-gate,increasing the number of gates or their outputs can increase and decrease the network’s coherency in excitatory and inhibitory cases,***,considering XOR-gates always results in the chimera state.

关键词： two-layer network synchronization chimera state thalamus and cortex

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A transformed analytical model for thermal noise of FinFET based on fringing field approximation

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Journal of Semiconductors 2016年第9期37卷 57-64页

作者： Savitesh Madhulika Sharma S.Dasgupta M.V.kartikeyan Microelectonics and VLSI Group Department of Electronics and Communication Engineering Indian Institute of Technology

This paper delineates the effect of nonplanar structure of Fin FETs on noise performance. We demonstrate the thermal noise analytical model that has been inferred by taking into account the presence of an additional inverted region in the extended（underlap） S/D region due to finite gate electrode thickness. Noise investigation includes the effects of source drain resistances which become significant as channel length becomes shorter. In this paper, we evaluate the additional noise caused by three dimensional（3-D） structure of the single fin device and then extended analysis of the multi-fin and multi-fingers structure. The addition of fringe field increases its minimum noise figure and noise resistance of approximately 1 d B and 100Ω respectively and optimum admittance increases to 5.45 mΩ at 20 GHz for a device operating under saturation region. Hence, our transformed model plays a significant function in evaluation of accurate noise performance at circuit level.

关键词： Fin FET thermal noise model

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Back to Back Combined Single Feed Proximity Coupled Antenna with Dumbbell Shaped DGS

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Journal of Electromagnetic Analysis and Applications 2011年第2期3卷 43-46页

作者： Ashwini Kumar Arya Amalendu Patnaik Machavaram V. kartikeyan 不详

Use of defected ground structure (DGS) to reduce the size of patch antenna is presented in this paper. In order to get a dipole like radiation pattern for some specific application a dumbbell shaped DGS is used in the common ground plane of back to back combined single fed proximity coupled antenna. A size reduction of about 60% is achieved. Parametric analysis has been done to see the resonance behavior of the antenna with DGS.

关键词： Defected Ground structure Microstrip Antennas Proximity Coupling

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应用脂质体凝集反应板快速检测活动性结核病患者抗原

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国际结核病与肺部疾病杂志 2008年第2期3卷 55-62页

作者： R. P. Tiwari S. K.Garg R. N. Bharmal S. kartikeyan P. S. Bisen 王博（译）吴雪琼（校）何广学（审） Diagnostic Division Nicholas Piramal India Limited Pawane Navi MumbaiJagatpura Jaipur India Institute of Biotechnology and Allied Sciences Seedling Academy of Design Technology and Management Jagatpure Jaipur India Department ofBiochemistry University of Nebraska Lincoln Nebraska USA Department of Microbiology Preventive ＆ Social Medicine Rajiv Gandhi Medical College Kalwa Thane India 不详

背景:共有1360例临床确诊的肺内结核、肺外结核患者标本及其他非结核标本。目的:建立一种快速、敏感、特异的检测不同临床标本中结核分枝杆菌糖脂抗原的方法。研究设计:在1-乙基-3-3-二甲基氨丙基碳化二亚胺氢氯化物和N-羟基丁二酰胺溶... 详细信息

背景:共有1360例临床确诊的肺内结核、肺外结核患者标本及其他非结核标本。目的:建立一种快速、敏感、特异的检测不同临床标本中结核分枝杆菌糖脂抗原的方法。研究设计:在1-乙基-3-3-二甲基氨丙基碳化二亚胺氢氯化物和N-羟基丁二酰胺溶液中将亲和纯化的兔抗糖脂抗体(IgG)结合在脂质体颗粒(0.2～0.4 um)上,制备TB/M检测板的反应试剂。结果:当检测样本中存在糖脂抗原时,连接抗体的脂质体在4 min内会出现1个深蓝色的凝集点。而正常健康人或其他疾病患者的样本未见凝集点。结果显示该方法检测活动性肺结核患者临床样本中的结核分枝杆菌糖脂抗原的敏感性可低至1 ng/ml,临床灵敏度为97.4%,特异性为96.9%。结论:TB/M检测试验比较经济(一次检测只需4个印度卢比或0.09美元)、快速(4 min),似乎有助于结核病流行国家大规模检测结核性脑膜炎、肺结核和其他肺外结核患者多种生物学标本(脑脊液、胸液、关节液、血清和组织活检标本)。

关键词：分枝杆菌,结核结核,脑膜脑脊液脂质体中枢神经结核糖脂抗体

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