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- 저자 : Jinbo Xiong (검색결과 4 건)
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PRIAM: Privacy Preserving Identity and Access Management Scheme in Cloud
( Jinbo Xiong ),( Zhiqiang Yao ),( Jianfeng Ma ),( Ximeng Liu ),( Qi Li ),( Jun Ma ) 한국인터넷정보학회 2014 KSII Transactions on Internet and Information Syst Vol.8 No.1
Each cloud service has numerous owners and tenants, so it is necessary to construct a privacy preserving identity management and access control mechanism for cloud computing. On one hand, cloud service providers (CSP) depend on tenant`s identity information to enforce appropriate access control so that cloud resources are only accessed by the authorized tenants who are willing to pay. On the other hand, tenants wish to protect their personalized service access patterns, identity privacy information and accessing newfangled cloud services by on-demand ways within the scope of their permissions. There are many identity authentication and access control schemes to address these challenges to some degree, however, there are still some limitations. In this paper, we propose a new comprehensive approach, called Privacy pReserving Identity and Access Management scheme, referred to as PRIAM, which is able to satisfy all the desirable security requirements in cloud computing. The main contributions of the proposed PRIAM scheme are threefold. First, it leverages blind signature and hash chain to protect tenant`s identity privacy and implement secure mutual authentication. Second, it employs the service-level agreements to provide flexible and on-demand access control for both tenants and cloud services. Third, it makes use of the BAN logic to formally verify the correctness of the proposed protocols. As a result, our proposed PRIAM scheme is suitable to cloud computing thanks to its simplicity, correctness, low overhead, and efficiency.
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Yuanquan Xiong,Bo Wu,Jinbo Ru,Hao Feng 한국화학공학회 2016 Korean Journal of Chemical Engineering Vol.33 No.12
A novel NO removal system is designed, where NO is initially oxidized by •OH radicals from the decomposition of hydrogen peroxide (H2O2) over hematite and then absorbed by ammonium-based solution. According to the high performance liquid chromatography (HPLC) profile and the isopropanol injection experiments, the •OH radicals are proved to play a critical role in NO removal. The NO removal efficiency primarily depends on H2O2 concentration, gas hourly space velocity (GHSV), H2O2 feeding rate and reaction temperature, while the flue gas temperature slightly affects the NO removal efficiency. The low H2O2 consumption makes this system a promising technique in NO removal process using wet-method. The evolution of catalyst in reaction is analyzed by scanning electron microscopy (SEM), energy dispersive X-ray spectrometry (EDS), Fourier Transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD). The nitrite ion and nitrate ion in aqueous solution are detected by the continuous phase flow analyzer. Finally, the macrokinetic parameters of the NO oxidation are obtained by using the initial rate method.
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Ziyang Lu,Zehui Yu,Jinbo Dong,Xinyu Xiong,Lin Gao,Minshan Song,Yang Liu,Di Fan,Yongsheng Yan,Pengwei Huo 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2018 NANO Vol.13 No.2
The novel magnetic PW-doped PEDOT (PW@PEDOT) imprinted photocatalyst with good reproducibility was prepared by the surface imprinting technique and microwave heating method. Due to the existence of PW@PEDOT and imprinted cavity in the imprinted layer, the as-prepared magnetic PW@PEDOT imprinted photocatalyst not only had higher photocatalytic activity, but also had the excellent specific recognition ability for selective photodegradation of TC. This paper proposed a new idea to prepare the imprinted photocatalysts.
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Xuelin Zhao,Jianping Fu,Liting Jiang,Weiwei Zhang,Yina Shao,Chunhua Jin,Jinbo Xiong,Chenghua Li 한국유전학회 2018 Genes & Genomics Vol.40 No.6
Quantitative real-time PCR (qRT-PCR) is a standard method to measure gene expression in function exploring. Accurate and reproducible data of qRT-PCR requires appropriate reference genes, which are stably expressed under different experimental conditions. However, no housekeeping genes were validated as internal controls for qRT-PCR in Sinonovacula constricta. In this study, we classified the transcriptome data of two tissues for Vibrio infection and Cd2+ stress into ten clusters based on the gene expression patterns. Among them, cluster 5 had the most stable gene expression patterns regardless of tissues and treatments as the database for candidate reference genes. A total of 55 orthologs of classical housekeeping genes in the clam transcriptome were annotated. Combined the expression profiles and housekeeping genes in S. constricta, we chose eight candidate reference genes and validated their expression in Vibrio-infected samples and different tissues by qRT-PCR. Their expression stability was analyzed by three different algorithms geNorm, NormFinder and BestKeeper. Although the rank of the eight candidate reference genes is different in different treatments using different software, RS9 could be the best reference genes for normalization of qRT-PCR expression data in S. constricta under various treatments considering the above analysis. Meanwhile, the ranking of genes based on the CV values of transcriptomic data was similar to the validation results. This study provides for the first time a list of suitable reference genes for S. constricta and a valuable resource for further studies of clam immune defense systems.
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