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Wei-Hai Shi,Hao-Qiang Chao,Nian-Yuan Ye,Hong-Jian Shi 소화기인터벤션의학회 2019 Gastrointestinal Intervention Vol.8 No.1
Post-surgery small bowel obstruction (SBO) has substantial morbidity and mortality. Even with refinement of surgical technique, SBO still remains challenging with the most common causes of acute hospital admission. Most SBOs can be managed with conservative treatment. However, the pal-liative methods may fail to relieve the symptoms in some clinical settings. Currently, laparotomy is the standard of care for difficult SBO. And lapa-roscopy offers an alternative approach for operative intervention in SBO and was first described by Bastug et al in 1991. Emerging literature dem-onstrated that laparoscopic surgery for SBO is less invasive, resulting in a shorter hospital stay than open surgery. And most recurrent adhesive SBO can be managed with ileus tube placement. This case series is to evaluate the efficacy of transnasal ileus tube placement combined with laparoscopic surgery in the treatment of consecutive 5 cases of refractory SBO post oncologic gastrointestinal surgery.
Wei-Hai Shi,Hao-Qiang Chao,Nian-Yuan Ye,Hong-Jian Shi 소화기인터벤션의학회 2019 International journal of gastrointestinal interven Vol.8 No.1
Post-surgery small bowel obstruction (SBO) has substantial morbidity and mortality. Even with refinement of surgical technique, SBO still remains challenging with the most common causes of acute hospital admission. Most SBOs can be managed with conservative treatment. However, the pal-liative methods may fail to relieve the symptoms in some clinical settings. Currently, laparotomy is the standard of care for difficult SBO. And lapa-roscopy offers an alternative approach for operative intervention in SBO and was first described by Bastug et al in 1991. Emerging literature dem-onstrated that laparoscopic surgery for SBO is less invasive, resulting in a shorter hospital stay than open surgery. And most recurrent adhesive SBO can be managed with ileus tube placement. This case series is to evaluate the efficacy of transnasal ileus tube placement combined with laparoscopic surgery in the treatment of consecutive 5 cases of refractory SBO post oncologic gastrointestinal surgery.
( Ruo Peng Cai ),( Yan Long Jiang ),( Wei Yang ),( Wen Tao Yang ),( Shao Hua Shi ),( Chun Wei Shi ),( Jing Tao Hu ),( Wei Gu ),( Li Ping Ye ),( Fang Yu Zhou ),( Qing Long Gong ),( Wen Yu Han ),( Guil 한국미생물 · 생명공학회 2016 Journal of microbiology and biotechnology Vol.26 No.2
Recently, poly-γ-glutamic acid synthetase A (pgsA) has been applied to display exogenous proteins on the surface of Lactobacillus casei or Lactococcus lactis, which results in a surfacedisplayed component of bacteria. However, the ability of carrying genes encoded by plasmids and the expression efficiency of recombinant bacteria can be somewhat affected by the longer gene length of pgsA (1,143 bp); therefore, a truncated gene, pgsA, was generated based on the characteristics of pgsA by computational analysis. Using murine IL-10 as an exogenous gene, recombinant Lactobacillus plantarum was constructed and the capacity of the surface-displayed protein and functional differences between exogenous proteins expressed by these strains were evaluated. Surface expression of IL-10 on both recombinant bacteria with anchorins and the higher expression levels in L. plantarum-pgsA’-IL-10 were confirmed by western blot assay. Most importantly, up-regulation of IL-1β, IL-6, TNF-α, IFN-γ, and the nuclear transcription factor NF-κB p65 in RAW264.7 cells after stimulation with Poly(I:C) or LPS was exacerbated after co-culture with L. plantarum-pgsA. By contrast, IL-10 expressed by these recombinant strains could reduce these factors, and the expression of these factors was associated with recombinant strains that expressed anchorin (especially in L. plantarum-pgsA’-IL-10) and was significantly lower compared with the anchorin-free strains. These findings indicated that exogenous proteins could be successfully displayed on the surface of L. plantarum by pgsA or pgsA’, and the expression of recombinant bacteria with pgsA’ was superior compared with bacteria with pgsA.
Wei, Guo,Nie, Ming-Ming,Shen, Xiao-Jun,Xue, Xu-Chao,Ma, Li-Ye,Du, Cheng-Hui,Wang, Shi-Liang,Bi, Jian-Wei Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.1
Objective: To observe local and systemic toxicity after sustained-release 5-fluorouracil (5-Fu) implantation in canine peritoneum and para-aortic abdominalis and the changes of drug concentration in the local implanted tissue with time. Methods: 300 mg sustained-release 5-Fu was implanted into canine peritoneum and para-aorta abdominalis. Samples were taken 3, 5, 7 and 10 days after implantation for assessment of changes and systemic reactions. High performance liquid chromatography was applied to detect the drug concentrations of peritoneal tissue at different distances from the implanted site, lymphatic tissue of para-aortic abdominalis, peripheral blood and portal venous blood. Results: 10 days after implantation, the drug concentrations in the peritoneum, lymphatic tissue and portal vein remained relatively high within 5 cm of the implanted site. There appeared inflammatory reaction in the local implanted tissue, but no visible pathological changes such as cell degeneration and necrosis, and systemic reaction like anorexia, nausea, vomiting and fever. Conclusions: Sustained-release 5-Fu implantation in canine peritoneum and para-aortic abdominalis can maintain a relatively high tumour-inhibiting concentration for a longer time in the local implanted area and portal vein, and has mild local and systemic reactions. Besides, it is safe and effective to prevent or treat recurrence of gastrointestinal tumours and liver metastasis.
Electrochemical Behavior of Sm(III) on the Aluminium-Gallium Alloy Electrode in LiCl-KCl Eutectic
Ye, Chang-Mei,Jiang, Shi-Lin,Liu, Ya-Lan,Xu, Kai,Yang, Shao-Hua,Chang, Ke-Ke,Ren, Hao,Chai, Zhi-Fang,Shi, Wei-Qun Korean Radioactive Waste Society 2021 방사성폐기물학회지 Vol.19 No.2
In this study, the electrochemical behavior of Sm on the binary liquid Al-Ga cathode in the LiCl-KCl molten salt system is investigated. First, the co-reduction process of Sm(III)-Al(III), Sm(III)-Ga(III), and Sm(III)-Ga(III)-Al(III) on the W electrode (inert) were studied using cyclic voltammetry (CV), square-wave voltammetry (SWV) and open circuit potential (OCP) methods, respectively. It was identified that Sm(III) can be co-reduced with Al(III) or Ga(III) to form Al<sub>z</sub>Sm<sub>y</sub> or Ga<sub>x</sub>Sm<sub>y</sub> intermetallic compounds. Subsequently, the under-potential deposition of Sm(III) at the Al, Ga, and Al-Ga active cathode was performed to confirm the formation of Sm-based intermetallic compounds. The X-ray diffraction (XRD) and scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS) analyses indicated that Ga<sub>3</sub>Sm and Ga<sub>6</sub>Sm intermetallic compounds were formed on the Mo grid electrode (inert) during the potentiostatic electrolysis in LiCl-KCl-SmCl<sub>3</sub>-AlCl<sub>3</sub>-GaCl<sub>3</sub> melt, while only Ga<sub>6</sub>Sm intermetallic compound was generated on the Al-Ga alloy electrode during the galvanostatic electrolysis in LiCl-KCl-SmCl<sub>3</sub> melt. The electrolysis results revealed that the interaction between Sm and Ga was predominant in the Al-Ga alloy electrode, with Al only acting as an additive to lower the melting point.
Prevalence and Subtypes of Blastocystis in Alpacas, Vicugna pacos in Shanxi Province, China
Ye-Ting Ma,Qing Liu,Shi-Chen Xie,Xiao-Dong Li,Yuan-Yuan Ma,Tao-Shan Li,Wen-Wei Gao,Xing-Quan Zhu 대한기생충학ㆍ열대의학회 2020 The Korean Journal of Parasitology Vol.58 No.2
Blastocystis, an enteric protist, has been reported to be an important cause of protozoal gastrointestinal manifestations in humans and animals worldwide. Animals harboring certain Blastocystis subtypes (STs) may serve as a potential source of human infection. However, information about the prevalence and genetic diversity of Blastocystis in alpacas is limited. In the present study, a total of 366 fecal samples from alpacas in Shanxi Province, northern China, were examined for Blastocystis by PCR amplification of the small subunit rRNA gene, followed by sequencing and phylogenetic analysis. The prevalence of Blastocystis in alpacas was 23.8%, and gender difference in the prevalence of Blastocystis was observed. The most predominant Blastocystis ST was ST10, followed by ST14 and ST5. The detection of ST5, a potentially zoonotic genotype, indicates that alpacas harboring ST5 could be a potential source of human infection with Blastocystis. These data provide new insight into the prevalence and genetic diversity of Blastocystis in alpacas.
A Primary Way of Solving Sampling Bias Problem in Complex Internet Topology
Xu Ye,Shi Wei 보안공학연구지원센터 2016 International Journal of Future Generation Communi Vol.9 No.1
Measuring complex Internet topology is primary research activities in Internet-related research fields and has become a focus recently. And due to the complexity of Internet topology, further processing is required and is thoroughly studied in this paper. First, Internet topology measurement is performed by CAIDA measurement approach with more than twenty monitors. Then the problem of sampling bias is quantitatively studied. Mathematical models are introduced into both the node bias problem and link bias problem, and final option is gained. Final results are that more than 156 CAIDA monitors are necessary in order to have a full Internet topology measurement result.
Shaogan Ye,Junhui Zhang,Bing Xu,Wei Song,Long Chen,Haiyong Shi,Shiqiang Zhu 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.9
Erosion damage affects the reliability and durability of axial piston pumps. An axial piston pump was tested using endurance life testing method. The phenomenon of erosion damage on the valve plate was observed using a confocal laser scanning microscope, by comparing the surface on the valve plate before and after the endurance life testing. A CFD turbulence model inclusive of the cavitation effects was developed to predict the flow physics. The flow physics in the axial piston pump were presented and analyzed, including the fluid velocities, velocity fields, the total volume fraction fields of gas and vapor, and pressure fields. Two causes of erosion damage were found, the appearances of large amount of vapor, and directly hitting by the jetting flow. The first one is the cause of erosion damage on the surface near the transition region from the inlet port to the outlet port, and the second one is the cause of erosion damage on the surface near the transition region from the outlet port to the inlet port. Besides, the findings show that the fluid velocities closely relate to the area of erosion damage. The study provides insights into the occurrence of erosion damage in axial piston pumps.