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国际医学放射学杂志 2023年第2期 247-248页

作者： H.Cha J.Y.Choi Y.N.Park K.Han m.jang m.J.Kim 崔建民

摘要目的研究粗梁-团块型肝细胞癌（mTm-HCC）的CT和mRI影像表现及其诊断效能和预后意义。方法回顾性纳入2009年6月—2013年12月期间仅因原发肝癌而行肝

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Enhancing BiVO_(4)photoanode performance by insertion of an epitaxial BiFeO_(3)ferroelectric layer

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Journal of Energy Chemistry 2024年第2期89卷 71-78,I0003页

作者： Haejin jang Yejoon Kim Hojoong Choi Jiwoong Yang Yoonsung Jung Sungkyun Choi Donghyeon Lee Ho Won jang Sanghan Lee School of materials Science and Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Department of materials Science and Engineering Seoul National UniversitySeoul 08826Republic of Korea

BiVO_(4)(BVO)is a promising material as the photoanode for use in photoelectrochemical ***,the high charge recombination and slow charge transfer of the BVO have been obstacles to achieving satisfactory photoelectrochemical *** address this,various modifications have been attempted,including the use of ferroelectric *** materials can form a permanent polarization within the layer,enhancing the separation and transport of photo-excited electron-hole *** this study,we propose a novel approach by depositing an epitaxial BiFeO_(3)(BFO)thin film underneath the BVO thin film(BVO/BFO)to harness the ferroelectric property of *** self-polarization of the inserted BFO thin film simultaneously functions as a buffer layer to enhance charge transport and a hole-blocking layer to reduce charge *** a result,the BVO/BFO photoanodes showed more than 3.5 times higher photocurrent density(0.65 mA cm^(-2))at 1.23 V_(RHE)under the illumination compared to the bare BVO photoanodes(0.18 m A cm^(-2)),which is consistent with the increase of the applied bias photon-to-current conversion efficiencies(ABPE)and the result of electrochemical impedance spectroscopy(EIS)*** results can be attributed to the self-polarization exhibited by the inserted BFO thin film,which promoted the charge separation and transfer efficiency of the BVO photoanodes.

关键词： Photoelectrochemical Photoanode BiVO_(4) Ferroelectric materials BiFeO_(3)

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Crystallographically vacancy‐induced mOF nanosheet as rational single‐atom support for accelerating CO_(2)electroreduction to CO

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Carbon Energy 2024年第8期6卷 49-62页

作者： Jin Hyuk Cho Joonhee ma Chaehyeon Lee Jin Wook Lim Youngho Kim Ho Yeon jang Jaehyun Kim myung‐gi Seo Youngheon Choi Youn Jeong jang Sang Hyun Ahn Ho Won jang Seoin Back Jong‐Lam Lee Soo Young Kim Department of materials Science and Engineering Korea UniversitySeoulRepublic of Korea Department of Chemical and Biomolecular Engineering Sogang UniversitySeoulRepublic of Korea Department of materials Science and Engineering Pohang University of Science and Technology(POSTECH)PohangRepublic of Korea Department of materials Science and Engineering Research Institute of Advanced MaterialsSeoul National UniversitySeoulRepublic of Korea Lotte Chemical R&D Center DaejeonRepublic of Korea Department of Chemical Engineering Hanyang UniversitySeoulRepublic of Korea School of Chemical Engineering and material Science Chung‐Ang UniversitySeoulRepublic of Korea

To attain a circular carbon economy and resolve CO_(2)electroreduction technology obstacles,single‐atom catalysts(SACs)have emerged as a logical option for electrocatalysis because of their extraordinary catalytic *** SACs,metal–organic frameworks(mOFs)have been recognized as promising support materials because of their exceptional ability to prevent metal *** study shows that atomically dispersed Ni single atoms on a precisely engineered mOF nanosheet display a high Faradaic efficiency of approximately 100%for CO formation in H‐cell and three‐compartment microfluidic flow‐cell reactors and an excellent turnover frequency of 23,699 h−1,validating their intrinsic catalytic *** results suggest that crystallographic variations affect the abundant vacancy sites on the mOF nanosheets,which are linked to the evaporation of Zn‐containing organic linkers during ***,using X‐ray absorption spectroscopy and density functional theory calculations,a comprehensive investigation of the unsaturated atomic coordination environments and the underlying mechanism involving CO^(*)preadsorbed sites as initial states was possible and provided valuable insights.

关键词： 2‐dimensional material carbon dioxide reduction metal-organic frameworks single‐atom catalysts vacancy sites

Laser‑Induced and mOF‑Derived metal Oxide/Carbon Composite for Synergistically Improved Ethanol Sensing at Room temperature

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Nano-micro Letters 2024年第6期16卷 210-220页

作者： Hyeongtae Lim Hyeokjin Kwon Hongki Kang Jae Eun jang Hyuk‑Jun Kwon Department of Electrical Engineering and Computer Science DGISTDaegu 42988South Korea Convergence Research Advanced Centre for Olfaction DGISTDaegu 42988South Korea

Advancements in sensor technology have significantly enhanced atmospheric ***,metal oxide and carbon(mO_(x)/C)hybrids have gained attention for their exceptional sensitivity and room-temperature sensing ***,previous methods of synthesizing mO_(x)/C composites suffer from problems,including inhomogeneity,aggregation,and challenges in ***,we introduce a refined method that employs a metal–organic framework(mOF)as a precursor combined with direct laser *** inherent structure of mOFs ensures a uniform distribution of metal ions and organic linkers,yielding homogeneous mO_(x)/C *** laser processing facilitates precise micropatterning(m,comparable to typical photolithography)of the mO_(x)/C *** optimized mOF-derived mO_(x)/C sensor rapidly detected ethanol gas even at room temperature(105 and 18 s for response and recovery,respectively),with a broad range of sensing performance from 170 to 3,400 ppm and a high response value of up to 3,500%.Additionally,this sensor exhibited enhanced stability and thermal resilience compared to previous mOF-based *** research opens up promising avenues for practical applications in mOF-derived sensing devices.

关键词： metal-organic frameworks metal oxide Carbon composite Laser Gas sensor

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Acupuncture ameliorates atopic dermatitis by modulating gut barrier function in a gut microbiota-dependent manner in mice

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Journal of Integrative medicine 2024年第5期22卷 600-613页

作者： mijung Yeom Sora Ahn Dae-Hyun Hahm Sun-Young jang Se Hoon jang Su-Yang Park Jae-Hwan jang Jihan Park Ju-Young Oh In-Seon Lee Kyuseok Kim Soon-Kyeong Kwon Hi-Joon Park Acupuncture and meridian Science Research Center College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Department of Physiology School of MedicineKyung Hee UniversitySeoul 02447Republic of Korea BioNanocomposite Research Center Kyung Hee UniversitySeoul 02447Republic of Korea Department of Science in Korean medicine College of Korean MedicineGraduate SchoolKyung Hee UniversitySeoul 02447Republic of Korea College of Korean medicine Kyung Hee UniversitySeoul 02447Republic of Korea Department of Ophthalmology Otorhinolaryngology and Dermatology of Korean MedicineCollege of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea Division of Applied Life Science(BK21) Gyeongsang National UniversityJinju 52828Republic of Korea Department of Anatomy&Information Sciences College of Korean MedicineKyung Hee UniversitySeoul 02447Republic of Korea

Objective Atopic dermatitis(AD)is a chronic inflammatory skin disease that may be linked to changes in the gut *** has been proven to be effective in reducing AD symptoms without serious adverse events,but its underlying mechanism is not completely *** purpose of this study was to investigate whether the potential effect of acupuncture on AD is gut *** AD-like skin lesions were induced by applying mC903 topically to the cheek of the *** was done at the Gok-Ji(LI11)***-like symptoms were assessed by lesion scores,scratching behavior,and histopathological changes;intestinal barrier function was measured by fecal output,serum lipopolysaccharide levels,histopathological changes,and mRNA expression of markers involved in intestinal permeability and *** microbiota was profiled using 16S rRNA gene sequencing from fecal *** Acupuncture effectively improved chronic itch as well as the AD-like skin lesions with epidermal thickening,and also significantly altered gut microbiota structure as revealed byβ-diversity indices and analysis of *** beneficial effects were eliminated by antibiotic depletion of gut microbiota,but were reproduced in gut microbiota-depleted mice that received a fecal microbiota transplant from acupuncture-treated ***,AD mice had intestinal barrier dysfunction as indicated by increased intestinal permeability,atrophy of the mucosal structure(reduced villus height and crypt depth),decreased expression of tight junctions and mucus synthesis genes,and increased expression of inflammatory mediators in the *** attenuated these abnormalities,which was gut *** Acupuncture ameliorates AD-like phenotypes in a gut microbiota-dependent manner and some of these positive benefits are explained by modulation of the intestinal barrier,providing new perspective for non-pharmacological strategies for

关键词： Atopic dermatitis Acupuncture Gut microbiota Intestinal barrier function

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在数字乳腺摄影和数字乳腺断层摄影基础上增加乳腺超声筛查对普通风险女性乳腺癌筛查的必要性

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国际医学放射学杂志 2021年第3期44卷 351-351页

作者： A.Yi m.jang D.Yim B.R.Kwon m.S.U.Shin J.m.Chang 范璐

摘要联合或非联合数字乳腺摄影(Dm)的数字乳腺断层摄影(DBT)是乳腺癌筛查的首选方式。然而,对于普通风险女性DBT筛查的充分性和增加全乳腺超声检查的必要性

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术后监测乳腺mRI上的背景实质强化：与未来再发乳腺癌风险的相关研究

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国际医学放射学杂志 2023年第2期 227-227页

作者： S.H.Lee m.jang H.Yoen Y.Lee Y.S.Kim A.R.Park 马悦

摘要实质强化（BPE）是已知的乳腺癌风险因素之一。然而目前尚未见关于BPE与再发乳腺癌风险的相关研究。目的探讨对于有乳腺癌病史的女性，术后监测其乳腺mRI

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非异型性乳腺良性乳头状瘤：手术切除、超声定向引导下真空辅助旋切以及超声随访的结果

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国际医学放射学杂志 2019年第6期 735-735页

作者： H.Y.Choi S.m.Kim m.jang B.Yun E.Kang E.K.Kim 杨玉婷 Department of Radiology Seoul National University Bundang HospitalSeoul National University College of Medicine

摘要最近研究表明,超声定向引导下真空辅助旋切(DVAR)替代手术治疗乳腺良性乳头状瘤效果令人满意,并建议在无干预的情况下进行合理的超声诊断随访。目的对

关键词：异型性真空辅助乳头状瘤手术切除定向引导

mR扩散加权成像在预测经活检证实的乳腺导管原位癌分期中的价值

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国际医学放射学杂志 2023年第1期46卷 103-103页

作者： S.A.Lee Y.Lee H.S.Ryu m.jang W.K.moon H.G.moon 胡金玥

摘要术前准确预测活检证实的乳腺导管原位癌(DCIS)的分期,对于制定手术方案至关重要,但一直缺少采用mRI特征建立的预测模型。目的纳入活检证实的DCIS病人,建

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Programmable directional color dynamics using plasmonics

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microsystems & Nanoengineering 2024年第1期10卷 325-334页

作者： Gyurin Kim Doeun Kim Soeun Ko jang-Hwan Han Juhwan Kim Joo Hwan Ko Young min Song Hyeon-Ho Jeong School of Electrical Engineering and Computer Science Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Department of Semiconductor Engineering Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea Artificial Intelligence(AI)Graduate School Gwangju Institute of Science and TechnologyGwangju 61005Republic of Korea

Adaptive multicolor filters have emerged as key components for ensuring color accuracy and resolution in outdoor visual ***,the current state of this technology is still in its infancy and largely reliant on liquid crystal devices that require high voltage and bulky structural ***,we present a multicolor nanofilter consisting of multilayered‘active’plasmonic nanocomposites,wherein metallic nanoparticles are embedded within a conductive polymer *** nanocomposites are fabricated with a total thickness below 100 nm using a‘lithography-free’method at the wafer level,and they inherently exhibit three prominent optical modes,accompanying scattering phenomena that produce distinct dichroic reflection and transmission ***,a pivotal achievement is that all these colors are electrically manipulated with an applied external voltage of less than 1 V with 3.5 s of switching speed,encompassing the entire visible ***,this electrically programmable multicolor function enables the effective and dynamic modulation of the color temperature of white light across the warm-to-cool spectrum(3250 K-6250 K).This transformative capability is exceptionally valuable for enhancing the performance of outdoor optical devices that are independent of factors such as the sun’s elevation and prevailing weather conditions.

关键词： directional prevailing exceptional