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Wei-hong Dong,Bo Kang,Shang-hai Du,Xu-fei Shi 한국지질과학협의회 2013 Geosciences Journal Vol.17 No.4
CFC age and deuterium excess methods were applied to the estimation of groundwater circulation rates in the Quaternary shallow groundwater system of the Henan Plain. The results provide a basis for groundwater renewability evaluation. The spatial distribution of CFC age shows that the groundwater system mainly comprises modern water, less than 50 a. The groundwater of less than 30 a was in the piedmont zone of the Taihang, Funiu, and Dabie Mountains, indicating short groundwater residence times,and fast groundwater cycling, with circulation rates of 27–31 m/d. Groundwater cycling along the Yellow River was also rapid because of exchange with the Yellow River. The circulation rates were 34–54m/d. In the areas around Tongxu, Shangqiu, Taikang, Xiangcheng,in the middle of the study area, and east of Huaxian-Changyuan and Xixian, Gushi in the south, groundwater age was 30–40 a, suggesting a longer groundwater residence time. The groundwater cycle in these areas was slower than in the piedmonts, and the area along the Yellow River. The circulation rates were 15–26 m/d. In the areas of Luyi, Yongcheng, Zhumadian, Xincai and Huaibin,the groundwater age was older than 40 a, with the longest residence times and slowest circulation rates (~12 m/d). The correlation between groundwater age and deuterium excess averages for the northern, central, southern shallow groundwater systems and the <30 a, 30–40 a, >40 a groundwater age divisions was strong (R = 0.9714), showing that the groundwater residence time embodied by the deuterium excess parameter was consistent with groundwater age estimated using the CFC method.
Wei-dong Wang,Li-hua Zhang,Jia-Yan Ni,Xiong-ying Jiang,Dong Chen,Yao-ting Chen,Hong-liang Sun,Jiang-hong Luo,Lin-feng Xu 대한영상의학회 2018 Korean Journal of Radiology Vol.19 No.4
Objective: To meta-analytically compare combined transarterial chemoembolization (TACE) plus radiofrequency ablation (RFA) and surgical resection (SR) for the treatment of hepatocellular carcinoma (HCC) within the Milan criteria. Materials and Methods: PubMed, Medline, Embase, and Cochrane Library were searched for studies comparing these two therapies that were published between January 2006 and August 2017. Overall survival rate (OS), recurrence-free survival rate (RFS), major complications and the average length of hospital stay were compared between these two therapies. Metaanalytic pooled odds ratio (OR) was calculated using TACE plus RFA as the base category. Results: Seven case-control studies and one randomized trial were identified. Meta-analytic results revealed that, compared with SR, TACE plus RFA had significantly higher 1-year OS (OR for survival = 0.50, p = 0.009) and lower major complications (OR = 1.88, p = 0.02) after therapy. Three studies reported on the length of hospital stay. The average length ± standard deviation reported in individual studies for SR and TACE plus RFA groups was 19.8 ± 8.4 days and 7.4 ± 2.2 days, respectively; 18.7 ± 4.9 days and 11.5 ± 6.9 days, respectively; and 16.6 ± 6.7 days and 8.5 ± 4.1 days, respectively (p < 0.0001 for all studies). Three or 5-year OS and 1-, 3-, or 5-year RFS did not significantly differ between the two therapies. Conclusion: Combined TACE plus RFA may be an alternative to SR for the treatment of patients with HCC within Milan the criteria. Non-randomized design in most of the original studies was a limitation.
( Wei Hong Wang ),( Tae Gu Lee ),( Ra Hul S. Patil ),( Bara Mun ),( In Ho Yang ),( Hi Young Kim ),( Dong Yup Hahn ),( Dong Hwan Won ),( Ji Hye Lee ),( Ye Hee Lee ),( Hyuk Jae Choi ),( Sang Jip Nam ),( 영남대학교 약품개발연구소 2015 영남대학교 약품개발연구소 연구업적집 Vol.25 No.-
Chemical investigation of a Korean marine sponge, Minanchora sp. led to the isplation of three new steriodes (1-3). Compounds 1 and 2, designated as monan chosterols A abd B, resoectubely, represent the first example of steriods possessing the bicyclo[4.3.1] A/Brubg ststem from a natural source, Compounds 1-3 were investigated for their anti-inflammatory activity by evaluating their inhibitory effects on the mRna expression of 1L-6, TNF-a and COX-2 in the LPS-stimulated murine RAW264.7 macrophage cells, Compounds 2 and 3 exhibited significant inhibitpry effects on the mRNA expression of 1L-6 without notable cytotoxocotu tp tje cells in a dose-dependent manner.
Causal Relations between Exposome and Stroke: A Mendelian Randomization Study
Hong-Qi Li,Yi-Wei Feng,Yu-Xiang Yang,Xin-Yi Leng,Prof Can Zhang,Shi-Dong Chen,Kevin Kuo,Shu-Yi Huang,Xue-Qing Zhang,Yi Dong,Xiang Han,Xin Cheng,Mei Cui,Lan Tan,Qiang Dong,Jin-Tai Yu 대한뇌졸중학회 2022 Journal of stroke Vol.24 No.2
Background and Purpose To explore the causal relationships of elements of the exposome with ischemic stroke and its subtypes at the omics level and to provide evidence for stroke prevention. Methods We conducted a Mendelian randomization study between exposure and any ischemic stroke (AIS) and its subtypes (large-artery atherosclerotic disease [LAD], cardioembolic stroke [CE], and small vessel disease [SVD]). The exposure dataset was the UK Biobank involving 361,194 subjects, and the outcome dataset was the MEGASTROKE consortium including 52,000 participants. Results We found that higher blood pressure (BP) (systolic BP: odds ratio [OR], 1.02; 95% confidence interval [CI], 1.01 to 1.04; diastolic BP: OR, 1.03; 95% CI, 1.01 to 1.05; pulse pressure: OR, 1.03; 95% CI, 1.00 to 1.06), atrial fibrillation (OR, 1.18; 95% CI, 1.13 to 1.25), and diabetes (OR, 1.13; 95% CI, 1.07 to 1.18) were significantly associated with ischemic stroke. Importantly, higher education (OR, 0.69; 95% CI, 0.60 to 0.79) decreased the risk of ischemic stroke. Higher systolic BP (OR, 1.06; 95% CI, 1.02 to 1.10), pulse pressure (OR, 1.08; 95% CI, 1.02 to 1.14), diabetes (OR, 1.28; 95% CI, 1.13 to 1.45), and coronary artery disease (OR, 1.58; 95% CI, 1.25 to 2.00) could cause LAD. Atrial fibrillation could cause CE (OR, 1.90; 95% CI, 1.71 to 2.11). For SVD, higher systolic BP (OR, 1.04; 95% CI, 1.00 to 1.07), diastolic BP (OR, 1.06; 95% CI, 1.01 to 1.12), and diabetes (OR, 1.22; 95% CI, 1.10 to 1.36) were causal factors. Conclusions The study revealed elements of the exposome causally linked to ischemic stroke and its subtypes, including conventional causal risk factors and novel protective factors such as higher education.
Chen, Wei Dong,Jung, Hye Min,Jang, Won Gi,Hong, Byung Pyo,Byun, Hong Sik Trans Tech Publications, Ltd. 2013 Advanced materials research Vol.726 No.-
<P>In this paper, poly(vinylidene fluoride) nanofiber was prepared by an electrospinning method. Graphene oxide sheets was obtained via filtration from graphene oxide aqueous solution which synthesized by Hummers method. By sonication, a homogeneously dispersed and well distributed poly acylic acid and graphene oxide nanosheets solution were obtained, and this can be used to modify the neat poly (vinylidene fluoride) nanofiber membrane for not only increasing the hydrophilic properties but also improving the mechanical properties. The poly(vinylidene fluoride)/graphene oxide composite membrane was characterized by SEM, FT-IR, pore properties and mechanical properties. The composite membrane showed an appropriate pore size, excellent mechanical property comparing with pure poly(vinylidene fluoride) membrane. The results showed the membrane could be feasibly used as a MF membrane.</P>
hMSH2 and nm23 Expression in Sporadic Colorectal Cancer and its Clinical Significance
Wu, Hong-Wei,Gao, Li-Dong,Wei, Guang-Hui Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.3
Objective: To study the expression of the mismatch repair proteins hMSH2 and nm23 in sporadic colorectal cancer, determine any inter-relationship, and further investigate any clinical significance. Methods: Expression of hMSH2 and nm23 proteins was assessed in 87 colorectal cancer tissues by SP immunohistochemistry, with analysis of survival using follow-up data. Results: In the sporadic colorectal cancer tissues, nm23 protein expression appeared independent of the histological type (P>0.05), but correlated with the invasion depth and lymphatic metastasis (P<0.05). In contrast, hMSH2 protein expression was not significantly correlated with these clinicopathologic features (P>0.05), although it positively correlated with that of nm23 protein in the sporadic colorectal cancers (rs=0.635, P<0.05). Combined expression of the two was found to be related with invasion depth, lymphatic metastasis and prognosis of sporadic colorectal cancer (P<0.05). Conclusion: nm23 protein level was related with the degree of malignancy, and could be used as an index to predict the invasion and metastasis potential. The expression of hMSH2 protein is positively correlated that of nm23 protein, and the combined expression of the two has certain guiding significance for the prognosis of sporadic colorectal cancer.
Poster Display : Fulminant Pulmonary Edema after Ketamine Anesthesia in a Cat
( Il Hwa Hong ),( Hai Jie Yang ),( Dong Wei Yuan ),( Moon Jung Goo ),( Jin Kyu Park ),( Hye Rim Lee ),( Kyung Sook Hong ),( Ok Kyung Hwang ),( Jung Youn Han ),( Mi Ran Ki ),( Tae Hwan Kim ),( Dong Mi 한국수의병리학회 2007 학술대회 Vol.11 No.-