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Cancer Biology & Medicine 2018年第S1期15卷 19-20页

作者： young-suk lim Department of Gastroenterology Liver CenterAsan Medical CenterUniversity of Ulsan College of MedicineSeoulSouth Korea

Objective:Entecavir and tenofovir may have comparable efficacy in achieving surrogate endpoints,and are recommended as first-line treatments for patients with chronic hepatitis B(CHB).However,data regarding whether th... 详细信息

关键词： Lower risk hepatocellular

Extracellular vesicles for neural regeneration after spinal cord injury

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Neural Regeneration Research 2024年第3期19卷 491-492页

作者： young-Ju lim Wook-Tae Park Gun Woo Lee Department of Orthopedic Surgery Yeungnam University Medical CenterYeungnam University College of MedicineDaeguKorea

What is spinal cord injury:Spinal cord injury(SCI)is the damage to the structure of the bundles of cells and nerves that communicate signals from the brain to the body and *** pathology of SCI includes both primary and secondary injuries(Morales et al.,2016).Physical forces such as compression,shearing,contusion,and tearing are major causes of primary injury in *** are two main processes in primary injury:acute and *** acute phase includes traumatic disruption of axons and hemorrhage of the blood vessels around the spinal *** injury to the vessels can lead to increased edema within the neural and cord tissues,susceptibility to infiltration by microglia and astrocytes,excitotoxicity,and ***,disruption of the blood-spinal cord barrier results in the release of inflammatory cytokines from specific cells and vessels.

关键词： acute injuries nerves

Efficacy of chemotherapy containing bevacizumab in patients with metastatic colorectal cancer according to programmed cell death ligand 1

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World Journal of Gastrointestinal Oncology 2024年第8期16卷 3521-3528页

作者： Shin Woo Kang Sung Hee lim Min-Ji Kim Jeeyun Lee young suk Park Ho Yeong lim Won Ki Kang Seung Tae Kim Division of Hematology Oncology Department of MedicineSamsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351South Korea Samsung Biomedical Research Institute Samsung Medical CenterSeoul 06351South Korea

BACKGROUND Bevacizumab,an anti-vascular endothelial growth factor(VEGF)monoclonal antibody,inhibits angiogenesis and reduces tumor *** VEGF-C,lactate dehydrogenase,and inflammatory markers have been reported as predictive markers related to bevacizumab *** cell death ligand 1(PD-L1)could act upon VEGF receptor 2 to induce cancer cell angiogenesis and *** To investigate the efficacy of bevacizumab-containing chemotherapy in patients with metastatic colorectal cancer(CRC)according to the expression of *** This analysis included CRC patients who received bevacizumab plus FOLFOX or FOLFIRI as first-line therapy between June 24,2014 and February 28,2022,at Samsung Medical Center(Seoul,South Korea).Analysis of patient data included evaluation of PD-L1 expression by the combined positive score(CPS).We analyzed the efficacy of bevacizumab according to PD-L1 expression status in patients with *** A total of 124 patients was included in this *** all patients were treated with bevacizumab plus FOLFIRI or FOLFOX as the first-line *** 77%of patients received FOLFOX,23%received FOLFIRI as backbone first-line *** numbers of patients with a PD-L1 CPS of 1 or more,5 or more,or 10 or more were 105(85%),64(52%),and 32(26%),*** results showed no significant difference in progression-free survival(PFS)and overall survival(OS)with bevacizumab treatment between patients with PDL1 CPS less than 1 and those with PD-L1 CPS of 1 or more(PD-L1<1%vs PD-L1≥1%;PFS:P=0.93,OS:P=0.33),between patients with PD-L1 CPS less than 5 and of 5 or more(PD-L1<5%vs PD-L1≥5%;PFS:P=0.409,OS:P=0.746),and between patients with PD-L1 CPS less than 10 and of 10 or more(PD-L1<10%vs PD-L1≥10%;PFS:P=0.529,OS:P=0.568).CONCLUSION Chemotherapy containing bevacizumab can be considered as first-line therapy in metastatic CRC irrespective of PD-L1 expression.

关键词： Bevacizumab Colorectal cancer Programmed cell death ligand 1 expression First-line chemotherapy Metastatic colorectal cancer

Porocarcinoma in a palm reconstructed with a full thickness skin graft: A case report

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World Journal of Clinical Cases 2024年第3期12卷 665-670页

作者： Seok Beom lim Kun young Kwon Hoon Kim Soo Yeon lim In Chang Koh Department of Plastic and Reconstructive Surgery Konyang University Medical CenterKonyang University of College of MedicineDaejeon 35365South Korea Department of Pathology Konyang University Medical CenterKonyang University of College of MedicineDaejeon 35365South Korea

BACKGROUND Porocarcinoma is a rare type of skin cancer that originates from sweat gland *** is an aggressive malignant skin cancer that is difficult to diagnose clinically owing to its rarity and similarity to squamous cell carcinoma(SCC).CASE SUMMARY This case involved a 92-year-old woman,a farmer by profession,presented with an exophytic and verrucous mass on her left palm that had formed 2 years prior and caused chronic pain and frequent ***,the patient was diagnosed with SCC using a punch biopsy;however,a repeat biopsy with addi-tional immunohistochemical tests was performed for ***,the patient was diagnosed with porocarcinoma and reconstruction was planned using a full-thickness skin *** treatment,the range of motion of the palm was preserved,and the aesthetic outcome was *** 6 mo of follow-up,the patient was satisfied with the *** Porocarcinoma is commonly misdiagnosed as SCC;therefore,clinicians should consider porocarcinomas when evaluating mass-like lesions on the hands.

关键词： Eccrine porocarcinoma Hand defects Reconstructive surgery Sweat gland tumor Skin graft Case report

Transparent high-performance piezoceramics through pressureless sintering

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Journal of Advanced Ceramics 2024年第5期13卷 561-567页

作者： Hye-lim Yu Woo-Seok Kang Ju-Hyeon Lee Temesgen Tadeyos Zate young-Jin Lee Bo-Kun Koo Dong-Jin Shin Min-Soo Kim Soon-Jong Jeong young Ghyu Ahn Wook Jo Department of Material Science and Engineering Ulsan National Institute of Science and TechnologyUlsan 44919Republic of Korea Energy Conversion Research Center Korea Electrotechnology Research InstituteChangwon 51543Republic of Korea MLCC Development Team Component Biz.UnitSamsung Electro-Mechanics Co.Ltd.Suwon 16674Republic of Korea

Piezoelectricity offers an electromechanical coupling that is widely utilized in transducer *** has been a consistent demand for transparent piezoelectric materials for optoelectrical ***,despite the inherent tradeoff between the transparency and the piezoelectricity,numerous strategies have been explored to develop the transparent piezoelectric ***,the most transparent piezoelectric materials developed to date is either a single crystal or materials that achieve transparency via hot-press sintering,limiting its industrial ***,we introduce a novel piezoelectric material that ensures transparency through co-doping and pressureless sintering of polycrystalline *** this study,we employed a compositional optimization approach to enhance the synergistic effect between the transparency and the piezoelectric properties of 0.71Pb(Mg_(1/3)Nb_(2/3))O_(3)–0.29PbTiO_(3)(PMN–0.29PT)*** utilizing the tape casting process for mass production and large-area manufacturing,our Pb_(0.913)La_(0.0145)Sm_(0.0145)(Mg_(1/3)Nb_(2/3))_(0.71)Ti_(0.29)O_(3)(TP2.9)ceramics exhibited over 60%transparency and large piezoelectric coefficient(d33)of 1104 pC/*** material holds considerable promise for a wide range of industrial applications in both the optical and electronic domains.

关键词： piezoelectric ceramics transparency pressureless sintering co-doping tape casting

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World Journal of Emergency Medicine 2024年第4期15卷 256-262页

作者： Jie Er Janice Soo Yuan Helen Zhang Gek Hsiang lim Fatimah Lateef Department of Emergency Medicine Singapore General HospitalSingapore 168753Singapore Health Services Research Unit Singapore General HospitalSingapore168753Singapore

BACKGROUND:This study aimed to review bicycle-related injuries during the COVID-19 pandemic to assist with reinforcement or implementation of new policies for injury ***:This is a retrospective descriptive analysis of injuries sustained during cycling for patients 18 years old and above who presented to Singapore General Hospital from January to June *** records were reviewed and *** analyses were used to summarize patient characteristics,and differences in characteristics subgrouped by triage acuity and discharge status were ***:The study included 272 patients with a mean age of 43 years and a male predominance(71.7%).Most presented without referrals(88.2%)and were not conveyed by ambulances(70.6%).Based on acuity category,there were 24(8.8%)Priority 1(P1)patients with 7 trauma activations,174(64.0%)and 74(27.2%)P2 and P3 patients *** most common injuries were fractures(34.2%),followed by superficial abrasion/contusion(29.4%)and laceration/wound(19.1%).Thirteen(4.8%)patients experienced head injury and 85 patients(31.3%)were documented to be wearing a *** majority occurred on the roads as traffic accidents(32.7%).Forty-two patients(15.4%)were admitted with a mean length of stay of 4.1 d and 17(6.3%)undergone surgical *** of 214(78.7%)discharged patients,no re-attendances or mortality were *** the subgroup analysis,higher acuity patients were generally older,with higher proportions of head injuries leading to ***:Our study highlights significant morbidities in bicycle-related *** is also a high proportion of fractures in the young healthy male *** prevention is paramount and we propose emphasizing helmet use and road user safety.

关键词： Cycling Injuries Emergency department

Unveiling the role of Ni in Ru-Ni oxide for oxygen evolution: Lattice oxygen participation enhanced by structural distortion

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Journal of Energy Chemistry 2023年第2期77卷 54-61,I0003页

作者： young-Jin Ko Man Ho Han Chulwan lim Seung-Ho Yu Chang Hyuck Choi Byoung Koun Min Jae-young Choi Woong Hee Lee Hyung-suk Oh Clean Energy Research Center Korea Institute of Science and Technology(KIST)Hwarang-ro 14-gil 5Seongbuk-guSeoul 02792Republic of Korea Department of Chemical and Biological Engineering Korea University145Anam-roSeongbuk-guSeoul 02841Republic of Korea Department of Chemistry Pohang University of Science and Technology(POSTECH)Pohang 37673Republic of Korea National Agenda Research Division Korea Institute of Science and Technology(KIST)Hwarang-ro 14-gil 5Seonbuk-guSeoul 02792Republic of Korea Graduate School of Energy and Environment(KU-KIST Green School) Korea University145 Anam-roSeongbuk-guSeoul 02841Republic of Korea School of Advanced Materials Science&Engineering Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea KIST-SKKU Carbon-Neutral Research Center Sungkyunkwan University(SKKU)Suwon 16419Republic of Korea

Introducing Ni in Ru oxide is a promising approach to enhance the catalytic activity for the oxygen evolution reaction(OER).However,the role of Ni(which has a poor intrinsic activity)is not fully ***,a Ru NiO_(x)electrode fabricated via a modified dip coating method exhibited excellent OER performance in acidic media,and neutral media for CO_(2)reduction *** combined in-situ/operando X-ray absorption near-edge structure and on-line inductively coupled plasma mass spectrometry studies to unveil the role of the Ni introduced in the Ru *** propose that the Ni not only transforms the electronic structure of the Ru oxide,but also produces a large number of oxygen vacancies by distorting the oxygen lattice structure at low overpotentials,increasing the participation of lattice oxygen for *** work demonstrates the real behavior of bimetallic oxide materials under applied potentials and provides new insights into the development of efficient electrocatalysts.

关键词： Oxygen evolution reaction Ru electrode Ni electrode Oxygen vacancies In-situ/Operando studies

Reinforced CNN Forensic Discriminator to Detect Document Forgery by DCGAN

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Computers, Materials & Continua 2022年第6期71卷 6039-6051页

作者： Seo-young lim Jeongho Cho Department of Electrical Engineering Soonchunhyang UniversityAsan31538Korea

Recently,the technology of digital image forgery based on a generative adversarial network(GAN)has considerably improved to the extent that it is difficult to distinguish it from the original image with the naked eye by compositing and editing a person’s face or a specific part with the original ***,much attention has been paid to digital image forgery as a social ***,document forgery through GANs can completely change the meaning and context in a document,and it is difficult to identify whether the document is forged or not,which is ***,few studies have been conducted on document forgery and new forgery-related attacks have emerged ***,in this study,we propose a novel convolutional neural network(CNN)forensic discriminator that can detect forged text or numeric images by GANs using CNNs,which have been widely used in image classification for many *** strengthen the detection performance of the proposed CNN forensic discriminator,CNN was trained after image preprocessing,including salt and pepper as well asGaussian ***,we performed CNN optimization to make existing CNN more suitable for forged text or numeric image detection,which have mainly focused on the discrimination of forged faces to *** test evaluation results using Hangul texts and numbers showed that the accuracy of forgery discrimination of the proposed method was significantly improved by 20%in Hangul texts and 5%in numbers compared with that of existing state-of-the-art methods,which proved the proposed model performance superiority and verified that it could be a useful tool in reducing crime potential.

关键词： Digital forensics CNN GAN discriminator image processing

慢性乙型肝炎患者144周治疗期间未发现丙酚替诺福韦耐药

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慢性乙型肝炎患者144周治疗期间未发现丙酚替诺福韦耐药

Effect of Lycopus lucidus *** on gut microflora and short chain fatty acid composition in Crj:CD-1 mice

第十届全国疑难及重症肝病大会

作者： Henry Lik-Yuen Chan Patrick Marcellin Calvin Q.Pan Andrea L Cathcart Neeru Bhardwaj Yang Liu Bandta Parhy Eric Zhou David Hsieh Silvia Chang Ross Martin Becket Feierbach Hongmei Mo Anuj Gaggar John F Flaherty Shalimar Namiki Izumi young-suk lim The Chinese University of Hong Kong

背景在2项评价丙酚替诺福韦(TAF)或富马酸替诺福韦二吡呋酯(TDF)用于HBeAg+或HBeAg-慢性乙型肝炎初治或经治成人患者时的3期临床研究(GS-US-320-0108,GS-US-320-0110)中进行了累积耐药性分析。方法患者按照2:1的比例进行随机分组,并按照...

背景在2项评价丙酚替诺福韦(TAF)或富马酸替诺福韦二吡呋酯(TDF)用于HBeAg+或HBeAg-慢性乙型肝炎初治或经治成人患者时的3期临床研究(GS-US-320-0108,GS-US-320-0110)中进行了累积耐药性分析。方法患者按照2:1的比例进行随机分组,并按照HBV DNA水平和治疗状态进行分层接受TAF

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BIOCELL 2022年第9期46卷 2101-2109页

作者： EUN NA SUN young lim Ocean Science and Technology School Korea Maritime&Ocean UniversityBusanKorea2 Division of Convergence on Marine ScienceKorea Maritime&Ocean UniversityBusanKorea

We investigated the diversity and composition of microflora in feces of Lycopus lucidus Turcz.-fed *** addition,we evaluated the production of major cytokines(Interleukin-6 and-10)which are related to inflammation and fatty acid composition of several tissues.16S ribosomal DNA sequencing-based microbiome taxonomic profiling analysis was performed utilizing the EzBioCloud data *** mice fed on *** showed a significantly reduced number of lactic acid bacteria and coliform in the feces compared with the control group(p<0.05).16S rDNA sequencing analysis of fecal samples showed that *** supplementation decreased the community of harmful microflora(Enterobacteriaceae including Escherichia coli and Bacteroides sp.)in feces compared with the control group(p<0.05).There were no significant differences in mRNA expression of cytokine IL-6 and IL-10 between the control and *** fed *** fecal fatty acid composition in the *** group had percentages of 4:0,6:0,8:0 and 10:0 in the intestine but those short chain fatty acids were not detected in the control *** results showed that *** supplementation influenced gut environment by decreasing harmful microflora and increased the percentages of several short fatty acids.

关键词： Lycopus lucidus Turcz Fatty acid composition Intestinal microflora 16S rDNA sequencing Cytokines