检索结果-内蒙古大学图书馆

Optimal hepatitis B virus primer sequence design for isothermal amplification

Biomedical engineering - Applications, Basis and Communications 2007年第3期19卷 137-144页

作者： Lee, Szu-Yuan Lee, Chun-Nan Mark, Holl Meldrum, Deirdre R. Lee, Chih-Kung Lin, Chii-Wann Institute of Biomedical Engineering National Taiwan University Taipei Taiwan Department of Clinical Laboratory Sciences and Medical Biotechnology National Taiwan University Taipei Taiwan Department of Electrical Engineering Arizona State University Phoenix AZ United States Ira A. Fulton School of Engineering Arizona State University Phoenix AZ United States Center for Ecogenomics Biodesign Institute Arizona State University Phoenix AZ United States Institute of Applied Mechanics National Taiwan University Taipei Taiwan Department of Electrical Engineering National Taiwan University Taipei Taiwan Center for Nano Science and Technology National Taiwan University Taipei Taiwan Medical Microsensor and System Laboratory College of Medicine and College of Engineering National Taiwan University Taipei 106 Taiwan Department of Electrical Engineering College of Electrical and Computer Engineering National Taiwan University Taipei 106 Taiwan Center for Nano Science and Technology National Taiwan University IBME No.1 Sec. 4 Roosevelt Rd. Taipei 106 Taiwan

We have reported the successful use of the Loop Mediated Isothermal Amplification (LAMP) reaction for Hepatitis B Virus (HBV) DNA in a 25 μl micro-reactor for the development of a rapid diagnostic device recently. This method shows the successful amplification of HBV DNA with high specificity and sensitivity efficiently within one hour. Such a powerful method can be used for many other fast diagnostic applications with the help of optimal primer design and miniaturization of reactor. In this report, we will first summarize the general design rules for primer design from literature reviews and our experimental results. We will discuss the effects of HBV primers and concentrations of working buffers for optimal performance. © 2007 National Taiwan University.

关键词： Isotherms

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A Hierarchical Clustering Based on Mutual Information Maximization

A Hierarchical Clustering Based on Mutual Information Maximi...

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IEEE International Conference on Image Processing

作者： M. Aghagolzadeh H. Soltanian-Zadeh B. Araabi A. Aghagolzadeh Control and Intelligent Processing Center of Excellence Department of Electrical and Computer Engineering University of Tehran Tehran Iran Radiology Image Analysis Laboratory Henry Ford Health System Detroit MI USA Faculty of Electrical and Computer Engineering University of Tabriz Tabriz Iran

Mutual information has been used in many clustering algorithms for measuring general dependencies between random data variables, but its difficulties in computing for small size datasets has limited its efficiency for clustering in many applications. A novel clustering method is proposed which estimates mutual information based on information potential computed pair-wise between data points and without any prior assumptions about cluster density function. The proposed algorithm increases the mutual information in each step in an agglomerative hierarchy scheme. We have shown experimentally that maximizing mutual information between data points and their class labels will lead to an efficient clustering. Experiments done on a variety of artificial and real datasets show the superiority of this algorithm, besides its low computational complexity, in comparison to other information based clustering methods and also some ordinary clustering algorithms.

关键词： Mutual information Clustering algorithms Clustering methods Data mining Data structures Density functional theory Computational complexity Entropy Higher order statistics Probability density function

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Intelligent Data Analysis of Out-of-Hospital Cardiac Arrest

Intelligent Data Analysis of Out-of-Hospital Cardiac Arrest

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Annual IEEE Symposium on computer-Based Medical systems

作者： Mateja Verlic Miljenko Krizmaric Stefek Grmec Peter Kokol Laboratory for System Design Faculty of Electrical Engineering and Computer Science University of Maribor Slovenia Faculty of Health Sciences University of Maribor Slovenia Centre for Emergency Medicine Maribor Slovenia

The rate of survival for the out-of-hospital cardiac arrest (OHCA) is not encouraging. Quick and quality prognosis affects the OHCA outcome. Identification of important factors in prognosis can improve the survival rate. Intelligent data analysis of data obtained in a 4 year study of OHCA outcome in Maribor shows that arrival time of emergency medical team, witnessed arrest, bystander cardiopulmonary resuscitation and especially end-expired CO 2 are of great importance for the OHCA outcome.

关键词： Data analysis Cardiac arrest Rhythm Medical diagnostic imaging Decision trees Cardiology Fibrillation Ventilation Carbon dioxide Pulse measurements

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Modelling and Control of a Self-Levelling Crane

Modelling and Control of a Self-Levelling Crane

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IEEE International Conference on Mechatronics and Automation

作者： Xiaocheng Zhang Jianqiang Yi Dongbin Zhao Guosheng Yang The Key Laboratory of Complex System and Intelligence Science Institute of Automation Chinese Academy and Sciences Beijing China College of Computer and Information Engineering Henan University Kaifeng Henan China

This paper concerns the fields of self-levelling crane systems. We firstly design a practical but simplified 3D crane model. And then, focusing on the self-levelling adjusting mechanism, we derive its static equilibrium equations as the model equations, based on engineering requirements. Thirdly, we propose a try-and-get (TAG) method to realize self-levelling adjustment. Finally, we analyze the defects of the TAG method and put forward an On-Line TAG algorithm, which performs well in the simulation.

关键词： Cranes Payloads Technical Activities Guide -TAG Kinematics Automation Cities and towns Equations Automatic control Stability analysis Cables

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Self-learning Particle Swarm Optimization Based on Environmental Feedback

Self-learning Particle Swarm Optimization Based on Environme...

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International Conference on Innovative Computing, Information and Control (ICICIC)

作者： Xingjuan Cai Zhihua Cui Jianchao Zeng Ying Tan Division of system simulation and computer application Taiyuan University of Science and Technology Shanxi China State Key Laboratory for Manufacturing Systems Engineering Xi''an Jiaotong University Xi'an China

Particle swarm optimization (PSO) simulates the behaviors of birds ocking and poundsh schooling. However, its biological background does not concern the environmental affection. Inspired by the interaction between environment and individuals, a new version - self-learning particle swarm optimization based on environmental feedback (SL-PSO), is proposed, in which two self-learning strategies are designed so that each particle adjusts its moving direction according to the feedback information from the environment. Furthermore, a mutation operator is introduced to avoid premature convergence phenomenon. Simulation results show the proposed algorithm is effective and efpoundcient.

关键词： Particle swarm optimization Convergence Birds Biological system modeling Computational modeling computer simulation Educational institutions Genetic mutations State feedback computer applications

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The Design and Implementation of Dual-mode Voice Storage Service which supports CDMA and WiBro network

The Design and Implementation of Dual-mode Voice Storage Ser...

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International Conference on Advanced Communication Technology (ICACT)

作者： Dohyung Kim Minhong Yun Sunja Kim Cheol-Hoon Lee Embedded S/W Research Division Electronics and Telecommunications Research Institute South Korea Department of Computer Engineering System Software Laboratory Chungnam National University South Korea

This paper describes the design and implementations of the application service based on embedded Linux; personal voice recorder (PVR) which uses WiBro network for data communications and CDMA network for voice communications. PVR consists of client and server. PVR client send CDMA voice data to PVR server located in the Internet through WiBro network. Then, PVR server converts voice data to wave form and stores it. In case of shortage of storage space on terminal, PVR makes user to store voice data.

关键词： Multiaccess communication Web server Network servers Data communication Web pages Linux IP networks Costs Microwave integrated circuits Consumer electronics

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Fuzzy Reliability Analysis of an iSCSI-Based Fault Tolerant Storage system Organization

Fuzzy Reliability Analysis of an iSCSI-Based Fault Tolerant ...

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International Conference on Fuzzy systems and Knowledge Discovery (FSKD)

作者： MingHua Jiang Jingli Zhou Ming Hu College of Computer Science & Technology Wuhan University of Science and Engineering Wuhan China Key Laboratory of Data Storage System Ministry of Education Huazhong University of Science and Technology Wuhan China

ISCSI is a newly emerging protocol with the goal of implementing the storage area network (SAN) technology over TCP/IP, which brings economy and convenience whereas it also raises performance and reliability issues. This paper presents a implementation of iSCSTbased fault tolerant storage system, and then analyzed the reliability of this system by combination of fuzzy logic and Markov modeling. This reliability method is a technique for analyzing fault tolerant designs under considerable uncertainty, such as is seen in compilations of component failure rates, the presented model provides the estimation of the lower and upper boundary of iSCSTbased fault tolerant storage system with a single run of the model.

关键词： Fuzzy systems Fault tolerant systems Storage area networks Network servers Switches Fault tolerance Local area networks Laboratories Educational technology Protocols

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Integrating Attribute and Status Constraint into the RBAC Model for Access Control in Ubiquitous systems

Integrating Attribute and Status Constraint into the RBAC Mo...

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International Conference on Future Generation Communication and Networking (FGCN)

作者： Deqing Zou Jong Hyuk Park Tai-hoon Kim Xueguang Chen Cluster and Grid Computing Laboratory & Services Computing Technology and System Laboratory School of Computer Science and Technology Huazhong University of Science and Technology China Department of Computer Engineering Kyungnam University Masan Gyeongsangnam South Korea Hannam University South Korea Department of Control Science and Engineering Huazhong University of Science and Technology China

It now becomes a trend to implement the interconnections between resources as well as services in ubiquitous systems. Attribute-based authorization mechanisms, protocols and systems are gaining in popularity, such as SAML, XACML, Shibboleth, etc. However, their management efficiency could be further improved. The Role-based Access Control (RBAC) mechanism is widely accepted as a general mechanism for authorization management. However, RBAC is still not flexible enough to address various application scenarios in ubiquitous systems. We propose a new architecture for access control in ubiquitous systems that impose attribute and status constraints on the RBAC model, which can significantly enhance the generality and flexibility of authorization by integrating the advantages of RBAC and attributed- based access control models. Moreover, the state mechanism proposed in this architecture captures the states of the authorization elements so as to reflect the outcomes of the authorization control. Finally, we analyze the flexibility and generality of this architecture in ubiquitous systems.

关键词： Access control Authorization Permission Grid computing Pervasive computing Access protocols Application software Markup languages computer science Control system analysis

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Fuzzy Reliability of Mirrored Disk Organizations

Fuzzy Reliability of Mirrored Disk Organizations

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International Conference on Convergence Information Technology

作者： MingHua Jiang Jingli Zhou Ming Hu YiXiang Ding College of Computer Science &Technology Wuhan University of Science and Engineering Wuhan China Key Laboratory of Data Storage System Huazhong University of Science슠and슠Technology Wuhan China

Disk mirroring or RAID1 is a popular paradigm to achieve fault tolerance and high reliability, this paper describes four mirrored disk organizations: basic mirroring, group rotate declustering, interleaved declustering, chained declustering, then the membership function of the states is defined and the reliability of mirrored disk system is analyzed by using the reliability theory based on fuzzy state.

关键词： Reliability theory Fuzzy systems Fuzzy set theory Reliability engineering Risk analysis Information technology Information analysis Educational institutions computer science Laboratories

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Fuzzy Reliability Analysis of Distributed Storage system for Tolerating Double Node and Disk Failures

Fuzzy Reliability Analysis of Distributed Storage System for...

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Workshop on Intelligent Information Technology Application

作者： MingHua Jiang Ming Hu Jingli Zhou YiXiang Ding College of Computer Science &Technology Wuhan University of Science and Engineering Wuhan China Key Laboratory of Data Storage System Ministry of Education Huazhong University of Science and Technology Wuhan China

The RAID5x is a two-disk failure-tolerant scheme of disk array that can be moved to the distributed environments. This new scheme called RAID5x variation can guarantees fault tolerance both to double node and double disk failures, there are two variations based on data distribution for placing data, parity, and mirrored copies within a periodical stripe: disk clustering and disk de-clustering. Then this paper analyzed the reliability of this system by combination of fuzzy logic and Markov modeling. This reliability method is a technique for analyzing fault tolerant designs under considerable uncertainty, such as is seen in compilations of component failure rates, the presented model provides the estimation of the lower and upper boundary of RAID5x variation with a single run of the model.

关键词： Fuzzy systems Failure analysis Fault tolerance Fuzzy logic Independent component analysis Redundancy Reliability engineering Image storage Mirrors Information technology

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