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- 저자 : Li-Ming Yi (검색결과 177 건)
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Ya, Vinh,Guillou, Esther Le,Chen, Yi-Ming,Yu, Jui-Hsuan,Choo, Kwang-Ho,Chuang, Sheng-Ming,Lee, Shou-Jen,Li, Chi-Wang Elsevier 2018 JOURNAL- TAIWAN INSTITUTE OF CHEMICAL ENGINEERS Vol.87 No.-
<P><B>Abstract</B></P> <P>A novel sacrificial anode comprised of scrap iron packed inside a cage made of titanium mesh was developed for Cr(VI) reduction. With electric currents applied, the surface passivation of scrap iron electrode could be avoided. Due to the large surface area with open structures provided, the applied current densities (1.18–3.54 mA/cm<SUP>2</SUP>) were low, resulting in low operating voltage and energy consumption. Complete Cr(VI) removal was achieved with electric currents applied, whereas only 20% of the Cr(VI) was removed without electricity. Direct Cr(VI) reduction on the iron surface was a dominant mechanism for the system operated at low (0.25 A) or no current. Acidic pH levels were more effective in Cr(VI) removal, due to more adsorption of Cr(VI) onto the precipitated Fe hydroxide. The trend in total Cr removal was almost the same as that of Cr(VI) removal, but time required to complete total Cr removal was extended. With intermittent electricity supply at a high electric current intensity, the energy consumption of the system was more efficient. Using scrap iron as a sacrificial anode under the intermittent current condition can save 72–77% of the total operational costs required by the conventional plate electrode.</P> <P><B>Highlights</B></P> <P> <UL> <LI> A novel anode packed with scrap iron inside a Ti mesh was used for reducing Cr(VI). </LI> <LI> Electroplating wastewater containing Cr(VI) and Ni(II) was treated. </LI> <LI> Current intensity and initial pH affect the Cr(VI) reduction pattern significantly. </LI> <LI> Intermittent but high electric current supply saved 72–77% of the operating costs. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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Ya, Vinh,Martin, Natacha,Chou, Yi-Hsuan,Chen, Yi-Ming,Choo, Kwang-Ho,Chen, Shiao-Shing,Li, Chi-Wang Elsevier 2018 Journal of the Taiwan Institute of Chemical Engine Vol.83 No.-
<P><B>Abstract</B></P> <P>Surface finishing wastewater having low pH (∼2) and high conductivity (>11 mS/cm) was treated by electrocoagulation (EC) or electrochemical Fenton (ECF) processes using sacrificial iron anodes. Under the same theoretical Fe dosage, the effects of electrolytic time, initial pH, and current density on the simultaneous removal of organic and heavy metal were investigated. A complete metal removal was achieved even at the low current density of 24.2 mA/cm<SUP>2</SUP> and short electrolytic time of 4 min, whereas approximately 40% of chemical oxygen demand was removed. Increasing the electric current density did not improve removal efficiencies, but consumed more electric energy. Low current conditions produced a brown color sludge associated with ferric hydroxide. On the contrary, a greenish color sludge was created at a high current due to the formation of ferrous hydroxide. The formation of ferrous hydroxide impacted the treated water quality. The ECF was employed to overcome the low COD removal by the EC, achieving >67% of COD removal. The costs of ECF processes were slightly greater than that of chemical coagulation, but achieving a lot greater heavy metal removals. ECF process can be a promising method for simultaneous removal of heavy metal and organics from complex industrial wastewater.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Organics and metal removals by electrochemical treatments using Fe were studied. </LI> <LI> Fe(II)/Fe(III) distribution depended on current density, reaction time, and solution pH. </LI> <LI> The lower in electric current density, the better in energy efficiency. </LI> <LI> Electrochemical Fenton enhanced organic removal unachieved by electrocoagulation. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
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Li, Hong-Li,Huang, Ding-Zhi,Deng, Ting,Zhou, Li-Kun,Wang, Xia,Bai, Ming,Ba, Yi Asian Pacific Journal of Cancer Prevention 2012 Asian Pacific journal of cancer prevention Vol.13 No.4
Cyclin L2 is a novel member of the cyclin family, recently implicated in the regulation of cell cycle progression and/or transcriptional regulation. The present study was undertaken to investigate the effects of overexpression on tumor cell growth and chemosensitivity in human gastric cells in vitro. Cyclin L2 was transfected into human gastric cancer cell line BCG823 and expressed with a mammalian expression vector pcDNA3.1. The effects and mechanisms of cyclin L2 on cell growth, cell cycling and apoptosis were studied. Compared to control vectors, overexpression of cyclin L2 inhibited the growth of BCG823 cells and enhance their chemosensitivity to fluorouracil, docetaxel and cisplatin. The anti-proliferative effects of cyclin L2 could be due to G0/G1 arrest and apoptosis. Cyclin L2 induced G0/G1 arrest and apoptosis involved upregulation of caspase-3 and down regulation Bcl-2 and survivin. The results indicated that overexpression of cyclin L2 protein may promote efficient growth inhibition and enhance chemosensitivity to chemotherapeutic agents in human gastric cancer cells by inducing G0/G1 cell cycle arrest and apoptosis.
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Li, Yi-Min,Lin, Qin,Zhao, Long,Wang, Li-Chen,Sun, Long,Dai, Ming-Ming,Luo, Zuo-Ming,Zheng, Hua,Wu, Hua Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.3
Objectives: To study application of the maximum standardized uptake value (SUVmax), metabolic tumor volume (MTV) and total lesion glycolysis (TLG) with $^{18}F$-FDG PET/CT for predicting prognosis of esophageal squamous cell cancer (ESC) patients. Methods: Eighty-six patients with ESC staged from I to IV were prospectively enrolled. Cisplatin-based chemoradiotherapy (CCRT) or palliative chemoradiotherapy were the main treatment methods and none received surgery. $^{18}F$-FDG PET/CT scans were performed before the treatment. SUVmax, MTV, and TLG were measured for the primary esophageal lesion and regional lymph nodes. Receiver operating characteristic curves (ROCs) were generated to calculate the P value of the predictive ability and the optimal threshold. Results: MTV and TLG proved to be good indexes in the prediction of outcome for the ESC patients. An MTV value of 15.6 ml and a TLG value of 183.5 were optimal threshold to predict the overall survival (OS). The areas under the curve (AUC) for MTV and TLG were 0.74 and 0.70, respectively. Kaplan-Meier analysis showed an MTV less than 15.6 ml and a TLG less than 183.5 to indicate good media survival time (p value <0.05). In the stage III-IV patient group, MTV could better predict the OS (P < 0.001), with a sensitivity and specificity of 0.80 and 0.67, respectively. Conclusions: Pre-treatment MTV and TLG are useful prognostic factors in nonsurgical ESC.
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Li, Qiong,Yin, Jun,Wang, Xu,Wang, Li-Ming,Shi, Yi-Jun,Zheng, Liang,Tang, Wei-Feng,Ding, Guo-Wen,Liu, Chao,Liu, Rui-Ping,Gu, Hai-Yong,Sun, Jia-Ming,Chen, Suo-Cheng Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.7
Aim: Apoptosis has been considered as a fundamental component in cancer pathogenesis, and related genetic factors might play an important role in gastric cardiac adenocarcinoma (GCA) genesis. Methods: We conducted a hospital based case.control study to evaluate the genetic effects of functional single nucleotide polymorphisms (SNPs): BCL2 rs17757541 C>G, BCL2 rs12454712 T>C, FAS rs2234767 G>A, FASL/FASLG rs763110 C>T, ERBB2 rs1136201 A>G and VEGFR2/KDR rs11941492 C>T on the development of GCA. A total of 243 GCA cases and 476 controls were recruited for the study and genotypes were determined using a custom-by-design 48-Plex SNPscan$^{TM}$ Kit. Results: The BCL2 rs17757541 C>G polymorphism was associated with increased risk of GCA. However, there was no significant associations with the other five SNPs. Stratified analyses indicated a significantly increased risk of GCA associated with the BCL2 rs17757541 C>G polymorphism among males, older patients and those with a history of smoking or drinking. Conclusion: These findings indicated that the functional polymorphism BCL2 rs17757541 C>G might contribute to GCA susceptibility. However, our results were limited by small sample size. Future larger studies are required to confirm our current findings.
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Glycididazole Sodium Combined with Radiochemotherapy for Locally Advanced Nasopharyngeal Carcinoma
Li, Ming-Yi,Liu, Jin-Quan,Chen, Dong-Ping,Qi, Bin,Liang, Yu-Ying,Yin, Wen-Jing Asian Pacific Journal of Cancer Prevention 2014 Asian Pacific journal of cancer prevention Vol.15 No.6
Background: To evaluate efficacy and side effects of glycididazole sodium (CMNa) combined with chemotherapy (cisplatin plus 5-FU/folic acid, PLF) and radiotherapy in treating patients with locally advanced nasopharyngeal carcinoma. Materials and Methods: Patients with III~IV stage nasopharyngeal carcinoma (NPC),were randomly divided into treatment group (46 patients) and control group (45 patients). Both groups received radiotherapy concomitant with PLF chemotherapy. The treatment group at the same time cwas given CMNa ($800mg/m^2$ before radiotherapy), by l h intravenous drip, three times a week. Results: When the dose of radiation was over 60 Gy, complete response rates of nasopharyngeal tumor and lymph node metastases in treatment group were significantly higher than in the control group (93.5% vs 77.8%; 89.1% vs 93.5%, p<0.05). Three months after radiotherapy, complete response rate of nasopharynx cancer and lymph node metastases in treatment group was both 97.8%, again higher than in the control group (84.4% and 82.2%) (p<0.05). In the treatment group, 1, 3, 5 year disease-free survival rates were 95.7%, 86.7% and 54.5%; and in control group, the corresponding disease-free survival rates were 93.3%, 66.2% and 38.6%, respectively, the difference being statistically significant (log-rank =5.887, p=0.015). One, 3, 5 year overall survival rates in two groups of patients were 97.8%, 93.5%, 70.4% and 95.5%, 88.07%, 48.4%, respectively, again with a statistically significant difference (log-rank=6.470, p=0.011). Acute toxicity and long-term radiotherapy related toxicity in the two groups did not differ (p>0.05). Conclusions: Glycididazole sodium could improve curative effects without increasing adverse reactions when treating paitents with locally advanced nasopharyngeal carcinoma.
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( Ming Yi Zhao ),( Ming Hua Yang ),( Liang Chun Yang ),( Yan Yu ),( Min Xie ),( Shan Zhu ),( Rui Kang ),( Dao Lin Tang ),( Zhi Gang Jiang ),( Wu Zhou Yuan ),( Xiu Shan Wu ),( Li Zhi Cao ) 생화학분자생물학회(구 한국생화학분자생물학회) 2011 BMB Reports Vol.44 No.9
HMGB1 is associated with human cancers and is an activator of autophagy which mediates chemotherapy resistance. We here show that the mRNA levels of HMGB1 are high in leukemia cells and it is involved in the progression of childhood chronic myeloid leukemia (CML). HMGB1 decreases the sensitivity of human myeloid leukemia cells K562 to anti-cancer drug induced death through up-regulating the autophagy pathway, which is confirmed by the observation with an increase in fusion of autophagosomes and autophagolysosomes. When overexpressing HMGB1, both mRNA levels of Beclin-1, VSP34 and UVRAG which are key genes involved in mammalian autophagy and protein levels of p-Bcl-2 and LC3-II are increased. Luciferase assays document that over-expression of HMGB1 increases the transcriptional activity of JNK and ERK, which may be silenced by siRNA. The results suggest that HMGB1 regulates JNK and ERK required for autophagy, which provides a potential drug target for therapeutic interventions in childhood CML. [BMB reports 2011; 44(9): 601-606]
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Development of a Career Indecision Scale for Chinese High School Students
Li, Ming Yi(이명일),Tak, Jin Kook(탁진국) 한국전시산업융합연구원 2021 한국과학예술융합학회 Vol.39 No.5
China’s new college entrance examination model has been fully launched, abolishing the distinction between liberal arts and sciences, and adopting the method of selecting subjects. This change is bound to cause confusion for Chinese high school students in their future choices. The purpose of this study was to develop a Chinese Career Indecision Scale (C-CIS) applicable to Chinese high school students. China’s culture and education system have many differences from the West. Particularly, the reform of the college entrance examination being implemented in China may have a profound impact on the career choices of high school students. Therefore, this study was conducted to prove the hypothesis that factors may exist and to discover meaningful factors, other than the existing foreign career indecision factors. In addition, it is meaningful in terms of comparative culture research to find out the differences in the career decision-making process between Korea and China. A total procedure of four steps was conducted to develop and validate the scale. The C-CIS comprises seven factors: lack of vocation information, lack of self-clarity, lack of information on majors, unawareness of necessity, lack of ability, decision-making difficulty, and external obstacles. Results indicated that two additional factors were found: “lack of ability” and “lack of information on majors”, which unfound in existing foreign career indecision factors, and it is significant in reflecting the characteristics of Chinese culture and education system. It also confirmed the value of research. Therefore, in the career education of high school in China, it is necessary to strengthen the understanding of university majors in one hand, and to help students improve their learning ability in the other hand. The C-CIS total score and factors showed significant correlations with various mental health variables, supporting the criterion-related validity of the C-CIS. Finally, it pointed out the implications of the results and the need for future studies.
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