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Search Results: 1 - 10 of 20402 matches for " Pan Cao "
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Exponential Synchronization for Impulsive Dynamical Networks
Lijun Pan,Jinde Cao
Discrete Dynamics in Nature and Society , 2012, DOI: 10.1155/2012/232794
Abstract: This paper is devoted to exponential synchronization for complex dynamical networks with delay and impulsive effects. The coupling configuration matrix is assumed to be irreducible. By using impulsive differential inequality and the Kronecker product techniques, some criteria are obtained to guarantee the exponential synchronization for dynamical networks. We also extend the delay fractioning approach to the dynamical networks by constructing a Lyapunov-Krasovskii functional and comparing to a linear discrete system. Meanwhile, numerical examples are given to demonstrate the theoretical results.
Study on the Surface Acoustic Wave Sensor with Self-Assembly Imprinted Film of Calixarene Derivatives to Detect Organophosphorus Compounds  [PDF]
Bing-Qing Cao, Qi-Bin Huang, Yong Pan
American Journal of Analytical Chemistry (AJAC) , 2012, DOI: 10.4236/ajac.2012.39087
Abstract: The molecularly imprinted technology and the self-assembly technique were used together on the calixarene surface acoustic wave (SAW) chemical sensors to detect organophosphorus compounds. 25-(thioalkyl-alkoxy)-p-tertbutylcalix[4] arene with self-assembled monolayer character was the sensitive coating of the sensors. The sensors had a special response to organophosphorus compounds and the response frequency shift of this sensor to organophosphorus compounds in 0.1 mg/m3 was 350 Hz. The response frequency increased linearly with the increase of the concentration of DMMP in the range from 0.1 to 0.6 mg/m3. The possible explanation of the interaction between the coatings and organophosphorus compounds was discussed.
Periodic Solutions for a Class of -th Order Functional Differential Equations
Bing Song,Lijun Pan,Jinde Cao
International Journal of Differential Equations , 2011, DOI: 10.1155/2011/916279
Abstract: We study the existence of periodic solutions for n-th order functional differential equations ()∑()=?1=0[()()]
Construction of Transgenic Plasmodium berghei as a Model for Evaluation of Blood-Stage Vaccine Candidate of Plasmodium falciparum Chimeric Protein 2.9
Yi Cao, Dongmei Zhang, Weiqing Pan
PLOS ONE , 2009, DOI: 10.1371/journal.pone.0006894
Abstract: Background The function of the 19 kDa C-terminal region of the merozoite surface protein 1 (MSP1-19) expressed by Plasmodium has been demonstrated to be conserved across distantly related Plasmodium species. The green fluorescent protein (GFP) is a reporter protein that has been widely used because it can be easily detected in living organisms by fluorescence microscopy and flow cytometry. Methodology and Results In this study, we used gene targeting to generate transgenic P. berghei (Pb) parasites (designated as PfMSP1-19Pb) that express the MSP1-19 of P. falciparum (Pf) and the GFP reporter protein simultaneously. The replacement of the PbMSP1-19 locus by PfMSP1-19 was verified by PCR and Southern analysis. The expression of the chimeric PbfMSP-1 and the GFP was verified by Western blot and fluorescence microscopy, respectively. Moreover, GFP-expressing transgenic parasites in blood stages can be readily differentiated from other blood cells using flow cytometry. A comparion of growth rates between wild-type and the PfMSP1-19Pb transgenic parasite indicated that the replacement of the MSP1-19 region and the expression of the GFP protein were not deleterious to the transgenic parasites. We used this transgenic mouse parasite as a murine model to evaluate the protective efficacy in vivo of specific IgG elicited by a PfCP-2.9 malaria vaccine that contains the PfMSP1-19. The BALB/c mice passively transferred with purified rabbit IgG to the PfCP-2.9 survived a lethal challenge of the PfMSP1-19Pb transgenic murine parasites, but not the wild-type P. berghei whereas the control mice passively transferred with purified IgG obtained from adjuvant only-immunized rabbits were vulnerable to both transgenic and wild-type infections. Conclusions We generated a transgenic P. berghei line that expresses PfMSP1-19 and the GFP reporter gene simultaneously. The availability of this parasite line provides a murine model to evaluate the protective efficacy in vivo of anti-MSP1-19 antibodies, including, potentially, those elicited by the PfCP-2.9 malaria vaccine in human volunteers.
The Research of the Intelligent Device Management and Diagnostic
Cao Pan,Jian Tao,Hongyuan Wang
TELKOMNIKA : Indonesian Journal of Electrical Engineering , 2012, DOI: 10.11591/telkomnika.v10i8.1631
Abstract: By our research and implementation of intelligent device management and diagnostic system which are based on Wireless HART Technology. In this essay we focus on the application of the wireless HART intelligent devices, explaining the wireless HART protocol and its four-level model, putting forward the wireless HART-USB potable gateway, by which the operating personnel at the scene can obtain data for diagnosis and modification directly from the PC. Then we briefly discuss the design module of intelligent device management system. In the end, we mainly emphasize on the introduction of the mathematical model which is based on the pneumatic control regulator and is used for diagnosis. And we represent the steps of verifying its correctness.
The ripple's enhancement in graphene sheets by spark plasma sintering
Bing Cao,Guannan Yu,Chunxu Pan
AIP Advances , 2011, DOI: 10.1063/1.3647307
Abstract: This paper introduces a simple and effective process of directly enhancing the ripple formation of graphene sheets by using spark plasma sintering (SPS) system. The morphology, microstructure and surface property of the pristine and SPS treated graphene sheets were characterized by using scanning electron microscopy (SEM), transmission electron microscopy (TEM), Raman spectroscopy and contact angle meter. The results reveal that: 1) A large amount of ripples can be induced in graphene sheets after SPS treatment at 1300 °C, and the pristine graphene surfaces change from smoothness into roughness with the patterns; 2) There are three kinds of graphene ripples with different structures after SPS treatment; (3) After the formation of ripples, the SPS-treated graphene sheets become hydrophobicity. In addition, the formation mechanism of the graphene ripples was also discussed in this paper.
Congruences on Stirling numbers and Eulerian numbers
Hui-Qin Cao,Hao Pan
Mathematics , 2006,
Abstract: In this paper, we establish some Fleck-Weisman type and Davis-Sun type congruences for the Stirling numbers and the Eulerian numbers.
Note on some congruences of Lehmer
Hui-Qin Cao,Hao Pan
Mathematics , 2006,
Abstract: In the paper, we generalize some congruences of Lehmer for general composite numbers.
Some congruences for trinomial coefficients
Hui-Qin Cao,Hao Pan
Mathematics , 2010,
Abstract: We prove several congruences for trinomial coefficients.
Factors of alternative binomials sums
Hui-Qin Cao,Hao Pan
Mathematics , 2009,
Abstract: We confirm several conjectures of Guo, Jouhet and Zeng concerning the factors of alternative binomials sums.
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