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Articles by Li Kong
Total Records ( 3 ) for Li Kong
  Wan-Qi Zhu , Jin-Ming , Xin-Dong Sun , Peng Xie and Li Kong
  The purpose of this study was to evaluate the potential of serum CYFRA21-1 and carcinoembryonic antigen (CEA) as prognostic markers in patients with undifferentiated nasopharyngeal carcinoma. Sixty-one patients who received definitive radiotherapy/chemoradiotherapy were analysed retrospectively. We investigated the association of the follow-up results with pretreatment level, post-treatment level and change of serum CYFRA21-1 and CEA, respectively. Patients with low pretreatment CYFRA21-1 had a significantly better overall survival. There were no significant associations among the remaining serum markers, and the survival and recurrence rates on multivariate analysis. The present study shows that pretreatment CYFRA21-1 level is a potential factor for predicting long-term survival.
  Limin Cheng , Li Kong , Changlin Ma and Xiaoling Zhu
  A new method to obtain a maximum delay bound of networked control systems whose network-induced delay is longer than a sampling period is proposed in terms of linear matrix inequalities, which is shown to render corresponding system asymptotically stable. Simulation results verify the correctness of the proposed theory.
  Wei Li , An-Jun Liu , Yu-Zhen Sheng , Guo-Yue Cheng , Zi-En Pu , Ya-Xi Liu and Li Kong
  In order to exploit new genetic resources for the improving of starch quality of common wheat, the genetic diversity of null alleles of Granule-bound starch synthase I (waxy gene) was investigated by special PCR molecular markers in Triticum L. The results indicated that there was relative abundant genetic diversity of waxy alleles in all accessions. Accession AS2347, AS2356, AS2317 and AS2308 with null allele at Waxy-B1 locus and AS2310 and AS2335 with null alleles at Waxy-A1 and Waxy-B1, were observed in 81 landraces of Triticum turdigum L. from China. In 53 landraces of Triticum aestivum L. from Sichuan, China, eight accessions at Waxy-A1, Waxy-B1 and Waxy-D1 loci and accession AS1668 at Waxy-D1, were observed null alleles. In 29 Triticum macha, Accession PI361862 and PI572911 at three Waxy loci, PI572913 at Waxy-B1 and Waxy-D1, PI572910 at Waxy-A1 and Waxy-D1, PI 290507 at Waxy-B1 and PI572906 at Waxy-D1, respectively, were observed null alleles. Seven accessions with null alleles at Waxy-B1 locus was observed in 28 Triticum sphaerococcum. Specially, the accessions of two regions, Anyue in Sichuan, China and Georgia, had the high frequency of the mutations with null alleles of waxy gene. Landraces of Triticum aestivum L. with the high frequency of waxy wheat, could be considered as a unique genetic resource for improving of waxy wheat. These result suggested that the special molecular marker could be used reliably in evaluation of genetic resources and these mutations also could be directly used in the improving of common wheat.
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