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Association of XRCC3 Thr241Met Polymorphisms and Gliomas Risk: Evidence from a Meta-analysis
Liang, Hong-Jie,Yan, Yu-Lan,Liu, Zhi-Ming,Chen, Xu,Peng, Qi-Liu,Wang, Jian,Mo, Cui-Ju,Sui, Jing-Zhe,Wu, Jun-Rong,Zhai, Li-Min,Yang, Shi,Li, Tai-Jie,Li, Ruo-Lin,Li, Shan,Qin, Xue Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.7
The relationship between the X-ray repair cross-complementing group 3 (XRCC3) Thr241Met polymorphism and gliomas remains inclusive or controversial. For better understanding of the effect of XRCC3 Thr241Met polymorphism on glioma risk, a meta-analysis was performed. All eligible studies were identified through a search of PubMed, Elsevier Science Direct, Excerpta Medica Database (Embase) and Chinese Biomedical Literature Database (CBM) before May 2013. The association between the XRCC3 Thr241Met polymorphism and gliomas risk was conducted by odds ratios (ORs) and 95% confidence intervals (95% CIs). A total of nine case-control studies including 3,533 cases and 4,696 controls were eventually collected. Overall, we found that XRCC3 Thr241Met polymorphism was significantly associated with the risk of gliomas (T vs. C: OR=1.10, 95%CI=1.01-1.20, P=0.034; TT vs. CC: OR=1.30, 95%CI=1.03-1.65, P=0.027; TT vs. TC/CC: OR=1.29, 95%CI=1.01-1.64, P=0.039). In the subgroup analysis based on ethnicity, the significant association was found in Asian under four models (T vs. C: OR=1.17, 95%CI=1.07-1.28, P=0.00; TT vs. CC: OR=1.79, 95%CI=1.36-2.36, P=0.00; TT vs. TC/CC: OR=1.75, 95%CI=1.32-2.32, P=0.00; TT/TC vs. CC: OR=1.11,95% CI=1.02-1.20). This meta-analysis suggested that the XRCC3 Thr241Met polymorphism is a risk factor for gliomas, especially for Asians. Considering the limited sample size and ethnicities included in the meta-analysis, further large scale and well-designed studies are needed to confirm our results.
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Single‑wire power transfer method and verification
Yang Li,Yu-jie Zhai,Yao Li,Xue-liang Wang,Tao-cheng Hu 전력전자학회 2022 JOURNAL OF POWER ELECTRONICS Vol.22 No.4
As a novel power supply method, single-wire power transfer has gained a great deal of attention. However, most of the related studies were based on using loops to realize a two-way power transfer. To further develop single-wire power transfer technology, a single-wire power transfer method is proposed in this paper, which does not rely on loops for power transfer. Through theoretical derivation, its transfer principle is analyzed, and a single-wire power transfer structure is designed. In addition, the theoretical derivation is verified by simulation analysis. Finally, the factors and laws that affect transfer efficiency are obtained through simulations and experiments. The research conducted in this paper is conducive to the development of single-wire power transfer methods, and lays a foundation for further research on transfer characteristics.
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Evaluation of the YOLO models for discrimination of the alfalfa pollinating bee species
Zhang Chuan-Jie,Liu Teng,Wang Jinxu,Zhai Danlan,Zhang Youxin,Gao Yang,Wu Hui-Zhen,Yu Jialin,Chen Min 한국응용곤충학회 2024 Journal of Asia-Pacific Entomology Vol.27 No.1
Identifying insect pollinators and their roles in mediating pollen flow is critical to understand the potential gene flow risks of insect pollination-dependent crop species, such as alfalfa. This study was conducted to evaluate and compare the feasibility of You Only Look Once (YOLO) version 3 (YOLOv3), YOLOv5, YOLOv7, and YOLO Representation (YOLOR) to discriminate the three most common alfalfa pollinating bee species, including honeybee, bumblebee, and leafcutting bee. The metrics comparison results showed YOLOv3 and YOLOv5 out performed YOLOv7 and YOLOR regarding model precision, recall, F 1 score, and mAP50 values. YOLOv3 and YOLOv5 could successfully discriminate the three different bee species with an accuracy of almost 100% (99.9%, 99.8%, and 100% accuracy for honeybee, bumblebee, and leafcutting bee for the two models, respectively). Comparatively, YOLOv7 could discriminate honeybee with an accuracy of 95% but was more likely to mistakenly discriminate bumblebee and leafcutting bee due to the relatively lower discriminating accuracy (87.3% and 66.2%, respectively). While the values of determined parameters for YOLOR were lower than YOLOv3 and YOLOv5, the higher precision (0.99680) along with recall (0.98721), F 1 (0.99198), mAP50 (0.99323), and mAP50-100 (0.89076) values indicate that this model could be able to obtain a favorable performance in discriminating the three bee species. In summary, the proposed method in this study has the potential for identifying the alfalfa pollinating bee species, studying the bees’ flower-visiting behaviors, evaluating the risks of insect-mediated pollen flow, and thus contributing to the management of genetically engineered (GE) alfalfa transgene flow.
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Jin Zou,Qi‑Jie Zhai,Fang‑Yu Liu,Ke‑Ming Liu,De‑Ping Lu 대한금속·재료학회 2018 METALS AND MATERIALS International Vol.24 No.6
A rotating magnetic field (RMF) was applied in the solidification process of Cu-8Fe alloy. Focus on the mechanism of RMFon the solid solution Fe(Cu) atoms in Cu-8Fe alloy, the influences of RMF on solidification structure, solute distribution, andmaterial properties were discussed. Results show that the solidification behavior of Cu–Fe alloy have influenced through thechange of temperature and solute fields in the presence of an applied RMF. The Fe dendrites were refined and transformed torosettes or spherical grains under forced convection. The solute distribution in Cu-rich phase and Fe-rich phase were changedbecause of the variation of the supercooling degree and the solidification rate. Further, the variation in solute distributionwas impacted the strengthening mechanism and conductive mechanism of the material.
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Yanyan Yang,Yue Qi,Wenli Zhai,Jianing Tan,Suyang Feng,Jie Zhang,Mengxiao Shen,Liuding Wang,Xiaoyang Yu,Xiaoshu Qu 대한금속·재료학회 2020 ELECTRONIC MATERIALS LETTERS Vol.16 No.5
Tungsten oxide (WO3) has received attention as an electrochromic material because of its excellent properties. However,the long switch time and low coloration efficiency of WO3film limit its use. Herein, a nanocomposite film containingPreyssler-type polyoxometalate (POM) K12.5Na1.5[NaP5W30O110]·15H2O (P5W30) and WO3nanoparticles has been fabricatedby layer-by-layer (LbL) self-assembly methods and characterized by UV-Vis spectra, scanning electron microscopy, X-rayphotoelectron spectroscopy and electrochemical workstation. Compared to the pure WO3film, the [P5W30/WO3]20 filmhas better electrochromic properties. Then, the electrochromic properties of [P5W30/WO3]20 film were studied in differentelectrolyte. The results indicated that the composite film show high coloration efficiency (191.62 cm2C−1), fast switch time(2.58 s, 1.48 s), good CV stability (500 th) in 0.5 M LiClO4/PC electrolyte, and successfully assembled of an electrochromicdevice. These advantages can make the nanocomposite film become a promising candidate for potential application inelectrochromic devices.
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