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A novel strategy for gas mitigation during swine manure odour treatment using seaweed and a microbial consortium

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Frontiers of Environmental Science & Engineering 2020年第3期14卷 203-214页

作者： Madhavaraj Lavanya Ho-Dong lim Kong-min Kim Dae-hyuk Kim Balasubramani Ravindran Gui Hwan Han Center for Industrialization of Agricultural and Livestock Microorganisms(CIALM) Jeongeup-si 56212Republic of Korea Department of Molecular Biology Institute for Molecular Biology and GeneticsJeonbuk National UniversityJeonju 561-756Republic of Korea Department of Environmental Energy&Engineering Kyonggi UniversitySuwon-si 16227Republic of Korea

Gas emissions from swine farms have an impact on air quality in the Republic of *** manure stored in deep pits for a long time is a major source of harmful gas ***,we evaluated the mitigation of emissions of ammonia(N H 3),hydrogen sulfide(H2S)and amine gases from swine manure with biological products such as seaweed(Sargassum homeri)and a microbial consortium(Bacillus subtilis(1.2×10^9 CFU/mL),Thiobacillus sp.(1.0×10^10 CFU/mL)and Saccharomyces cerevisiae(2.0×10^9 CFU/mL))used as additives due to their promising benefits for nutrient ***,seaweed powder masking over two days provided notable control of over 98%-100%of the gas ***,significant control of gas emissions was especially pronounced when seaweed powder masking along with a microbial consortium was applied,resulting in a gas reduction rate of 100%for NH 3,amines and H2S over 10 days of *** results also suggested that seaweed powder masking and a microbial consortium used in combination to reduce the gas emissions from swine manure reduced odour compared with that observed when the two additives were used *** the consortium,seaweed decreased total volatile fatty acid(VFA)*** proposed novel method of masking with a microbial consortium is promising for mitigating hazardous gases,simple,and environmentally *** research is warranted to determine the mechanisms underlying the seaweed and substrate interactions.

关键词： Seaweed Consortium Mitigation Ammonia H2S Volatile fatty acids(VFAs)

Fabrication of two-layer flexible copper clad laminate by electroless-Cu plating on surface modified polyimide

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中国有色金属学会会刊：英文版 2009年第4期19卷 970-974页

作者： Soo-min HWANG Jun-Hyung lim Chang-min LEE Eui-Cheol PARK Jun-hyuk CHOI Jinho JOO Hoo-Jeong LEE Seung-Boo JUNG School of Advanced Materials Science and Engineering Sungkyunkwan University

A flexible copper clad laminate(FCCL) was fabricated using electroless-and electro-Cu plating processes and the effects of pre-treatment time on the adhesion strength of the FCCL were evaluated based on interfacial *** neutralization and catalyst time were varied in the range of 0-20 min and 0.1-10 min,respectively,and the interfacial condition of the FCCL was characterized by atomic force microscopy(AFM) and X-ray photoelectron spectroscopy(XPS).It is observed that the peel strength increases significantly as the neutralization and catalyst time *** strength as high as 7.2-7.3 N/cm is obtained as the neutralization and catalyst time increase up to 20 min and 10 min,respectively,which is comparable to the strength achieved by the conventional laminating and sputtering *** improvements are probably due to an increase in the surface roughness of polyimide(PI),the activated surface condition,and the adsorption of palladium ions/atoms(Pd) on the PI surface which act as nucleation sites for Cu.

关键词：聚酰亚胺表面改性化学制备层压板铜电镀铜箔软性 X射线光电子能谱

Fluoropolymer-based organic memristor with multifunctionality for flexible neural network system

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npj Flexible Electronics 2021年第1期5卷 296-303页

作者： min-Hwi Kim Hea-lim Park min-Hoi Kim Jaewon Jang Jin-hyuk Bae In Man Kang Sin-Hyung Lee School of Electrical and Computer Engineering Seoul National University1 Gwanak-roGwanak-guSeoul 08826Republic of Korea Department of Materials Science and Engineering Seoul National University of Science and TechnologySeoul 01811Republic of Korea Department of Creative Convergence Engineering Hanbat National UniversityYuseong-guDaejeon 305-719Republic of Korea School of Electronics Engineering and School of Electronic and Electrical EngineeringKyungpook National University80 Daehak-roBuk-guDaegu 702-701Republic of Korea

In this study,we propose an effective strategy for achieving the flexible one organic transistor–one organic memristor(1T–1R)synapse using the multifunctional organic *** dynamics of the conductive nanofilament(CF)in a hydrophobic fluoropolymer medium is explored and a hydrophobic fluoropolymer-based organic memristor is *** flexible 1T–1R synapse can be fabricated using the solution process because the hydrophobic fluorinated polymer layer is produced on the organic transistor without degradation of the underlying *** developed flexible synapse exhibits multilevel conductance with high reliability and stability because of the fluoropolymer film,which acts as a medium for CF growth and an encapsulating layer for the organic ***,the synapse cell shows potential for high-density memory systems and practical neural *** effective concept for developing practical flexible neural networks would be a basic platform to realize the smart wearable electronics.

关键词： transistor network neural

Roles of humidity and heat treatment temperatures on YBa_2Cu_3O_(7-x) coated conductors by trifluoroacetic acid-metal organic deposition process

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中国有色金属学会会刊：英文版 2009年第4期19卷 956-960页

作者： Seok-Hern JANG Jun-Hyung lim Chang-min LEE Eui-Cheol PARK Soo-min HWANG Jun-hyuk CHOI Jong-Hyun SHIM Jin-Hyun PARK Won KIM Jinho JOO School of Advanced Materials Science and Engineering Sungkyunkwan University

YBa2Cu3O7-x(YBCO) films were fabricated on an LAO substrate using the trifluoroacetic acid-metal organic deposition(TFA-MOD) method and the effects of the humidity and heat treatment temperatures on the microstructure,degree of texture and critical properties of the films were *** order to understand the combined effects of the humidity and the calcining and firing temperatures on critical properties,heat-treatment was performed at various temperatures with the other processing variables *** films were calcined at 400-430 ℃ and fired at 750-800 ℃ in a 0-12.1% humidified Ar-O2 *** texture was determined by pole-figure *** amount of the BaF2 phase was effectively reduced and a sharp and strong biaxial texture was formed under a humidified atmosphere,which led to increased critical *** addition,the microstructure varied significantly with firing temperature but changed little with calcining *** highest IC of 40 A/cm-width,which corresponds to JC value of 1.8 MA/cm2,was obtained for the films fired at 775 ℃(in 12.1% humidity) after calcining at 400-430 ℃.It is likely that the highest IC value is due to the formation of a more pure YBCO phase,c-axis grains,and a denser microstructure.

关键词： YBa2Cu3O7 热处理温度三氟乙酸沉积过程湿度涂层导体有机金属微观结构变化

Nomogram for prediction of pathologic complete remission using biomarker expression and endoscopic finding after preoperative chemoradiotherapy in rectal cancer

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Chinese Journal of Cancer Research 2020年第2期32卷 228-241页

作者： hyuk Hur min Soo Cho Woong Sub Koom Joon Seok lim Tae Il Kim Joong Bae Ahn Hoguen Kim Nam Kyu Kim Division of Colon and Rectal Surgery Department of SurgerySeverance HospitalYonsei University College of MedicineSeoul 03722Korea Department of Radiation Oncology Severance HospitalYonsei University College of MedicineSeoul 03722Korea Departm ent of Radiology Research Institute of Radiological ScienceSeverance HospitalYonsei University College of MedicineSeoul 03722Korea Department of Internal Medicine Institute of Gastroenterology Department of Medical Oncology Severance HospitalYonsei University College of MedicineSeoul 03722Korea Department of Pathology Severance HospitalYonsei University College of MedicineSeoul 03722Korea

Objective:The aim of this study is to develop a nomogram for prediction of pathologic complete remission(p CR)after preoperative chemoradiotherapy(CRT)for rectal ***:m RNA expression levels of seven molecular markers[p53,p21,Ki-67,vascular endothelial growth factor(VEGF),CD133,CD24,CD44]were measured by reverse transcriptase polymerase chain reaction(RTPCR)in 120 rectal *** findings of clinical complete remission(c CR)and biologic variables were used to construct nomogram in the training group(n=80),which was validated in the validation group(n=40).Results:m RNA expression levels of four markers(p53,p21,Ki67,CD133)correlated with p CR(24/80,30.0%)in the training *** expression of p53 and/or high expression of p21,Ki67 and CD133 showed greater p CR rate.p CR was shown in 18(69.2%)of 26 cases showing endoscopic c CR in the training *** p CR rate was demonstrated in lower tumor location than middle tumor(19/49,38.8%vs.5/31,16.1%).A nomogram for prediction of p CR was developed from the multivariate prediction model using these six variables,which showed good discrimination ability in the training group[area under the curve(AUC)=0.945]and validation group(AUC=0.922).The calibration plot showed good agreement between actual and predicted p CR in both patient ***:Nomogram for assessment of p CR can be useful for making treatment decisions after CRT according to predicted responses.

关键词： Rectal cancer chemoradiotherapy treatment response molecular marker endoscopy nomogram

Improvement of uniformity in cultivation environment and crop growth rate by hybrid control of air flow devices

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Journal of Central South University 2015年第12期22卷 4702-4708页

作者： BAEK min-Seon KWON Sook-Youn lim Jae-Hyun Department of Computer Science and Engineering Kongju National University Green Energy Technology Research Center Kongju National University

A complete control type plant factory has high efficiency in terms of cultivation area by constructing vertical multiple layered cultivation ***,it has a problem of irregular crop growth due to temperature deviation at upper and lower beds and increases in energy consumption by a prolonged cultivation *** this work,air flow rate inside a facility was improved by a hybrid control of air flow devices like air conditioning and air circulation fan with an established wireless sensor network to minimize temperature deviations between upper and lower beds and to promote crop *** performance of proposed system was verified with an experimental environment or Case A wherein air conditioning device was operated without a control algorithm and Case B wherein air conditioning and circulation fans were alternatively operated based on the hybrid control *** planting leafy vegetables under each experimental condition,crops were cultivated for 21 *** a result,Case B wherein AC(air conditioning) and ACF(air-circulation fan) were alternatively operated based on the hybrid control algorithm showed that fresh mass,number of leaves,and leaf length for the crops grown were increased by 40.6%,41.1%,and 11.1%,respectively,compared to Case A.

关键词： air flow devices hybrid control cultivation environment uniformity growth rate

Targeted therapy in gastric cancer:Personalizing cancer treatment based on patient genome

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World Journal of Gastroenterology 2014年第8期20卷 2042-2050页

作者： Sun min lim Jae Yun lim Jae Yong Cho Division of Medical Oncology Department of Internal MedicineSeverance HospitalYonsei University College of MedicineSeoul 135-720South Korea Department of Medical Oncology Gangnam Severance HospitalYonsei University College of MedicineSeoul 135-720South Korea

Gastric cancer is the second leading cause of cancerrelated deaths *** cytotoxic chemotherapy has limited efficacy for metastatic gastric cancer,with an overall survival of approximately ten *** advances in high-throughput technologies have enabled the implementation of personalized cancer therapy for high-risk *** use of such high-throughput technologies,including microarray and next generation sequencing,have promoted the discovery of novel targets that offer new treatment strategies for patients lacking other therapeutic *** molecular pathways are currently under investigation as therapeutic targets in gastric cancer,including those related to the epidermal growth factor receptor family,the mesenchymal-epithelial transition factor axis,and the phosphatidylinositol 3-kinase-AKTmammalian target of rapamycin *** in molecular diagnostic tools further support the discovery of new molecular *** exist,however;not all patients can be tested for biomarkers,and numerous challenges hamper implementation of targeted therapy in clinical ***,the scale of tumor genomic profiling is rapidly outpacing our ability to appropriately synthesize all the information in order to optimally refine patient ***,clinicians must continue to educate themselves regarding new tools and frameworks,and to utilize multidisciplinary team science,comprised of oncologists,geneticists,pathologists,biologists and bioinformaticians,to successfully implement this genomic approach therapeutically.

关键词： Gastric cancer Targeted therapy Biomarker Microarray Sequencing

Endoscopic submucosal dissection of a large colonic lipoma:Report of two cases

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World Journal of Gastroenterology 2015年第10期21卷 3127-3131页

作者： Jae min Lee Jeong Ho Kim Myungsung Kim Jun Hyoung Kim Young Bae Lee Jae hyuk Lee Che Wan lim Department of Internal Medicine Myongji Hospital

A colonic lipoma is a very rare benign tumor that is usually asymptomatic and is found incidentally by *** with a large colonic lipoma may present with symptoms such as abdominal pain,bleeding,and colonic obstruction or *** report two patients with large colonic lipomas and *** endoscopic submucosal dissection(ESD) was performed to remove the lipomas instead of conventional surgical bowel *** complications were observed during or after the *** tumors were resected en bloc,and the patients were discharged 2 d after ESD with a regular *** results indicate that ESD can be applied as safe and effective treatment for a large colonic lipoma.

关键词： Colon lipoma Endoscopic submucosal dissection

Management of sub-centimeter recurrent hepatocellular carcinoma after curative treatment:Current status and future

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World Journal of Gastroenterology 2018年第46期24卷 5215-5222页

作者： min Woo Lee Hyo Keun lim Department of Radiology and Cen-ter for Imaging Science Samsung Medical CenterSungkyunkwan University School of Medicine Department of Health Sciences and Technology SAIHSTSungkyunkwan University

Hepatocellular carcinomas(HCCs) frequently recur despite initial successful surgical resection or local ablation therapy. Diagnostic methods for small HCCs have improved with the introduction of gadoxetic acid-enhanced liver magnetic resonance imaging and diffusion-weighted imaging(DWI). Currently, sub-centimeter recurrent nodules showing typical hallmark imaging findings of HCC are frequently detected in patients with a treatment history for HCC. With five typical magnetic resonance findings, including arterial enhancement, washout on portal or transitional phase, high signal intensity on both T2-weighted image and DWI, and low signal intensity on hepatobiliary phase, sub-centimeter recurrent HCC can be diagnosed with high accuracy. Although more information is needed to determine the treatment of choice, local ablation therapy under fusion imaging and/or contrast-enhanced ultrasound guidance or cone-beam computed tomography-guided chemoembolization seem to be promising as they are effective and safe for the management of sub-centimeter recurrent HCCs.

关键词： Hepatocellular carcinoma Recurrence Subcentimeter Ablation Diagnosis