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Randomized clinical trial comparing fixed-time split dosing and split dosing of oral Picosulfate regimen for bowel preparation

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World Journal of Gastroenterology 2017年第32期23卷 5986-5993页

作者： Jae Hyuck Jun Koon Hee Han jong Kyu Park Hyun Il Seo Young Don kim Sang Jin Lee Baek Gyu Jun Min Sik Hwang Yoon Kyoo Park myeong jong kim Gab Jin Cheon Department of Internal Medicine Gangneung Asan Hospital University of Ulsan College of Medicine Catholic Kwandong University

AIM To compare the efficacy of fixed-time split dose and split dose of an oral sodium picosulfate for bowel *** This is study was prospective, randomized controlled study performed at a single Institution(2013-058). A total of 204 subjects were assigned to receive one of two sodium picosulfate regimens(i.e., fixed-time split or split) prior to colonoscopy. Main outcome measurements were bowel preparation quality and subject *** There was no statistical difference between the fixedtime split dose regimen group and the split dose regimen group(Ottawa score mean 2.57 ± 1.91 vs 2.80 ± 2.51, P = 0.457). Cecal intubation time and physician's satisfaction of inspection were not significantly different between the two groups(P = 0.428, P = 0.489). On subgroup analysis, for afternoon procedures, the fixed-time split dose regimen was equally effective as compared with the split dose regimen(Ottawa score mean 2.56 ± 1.78 vs 2.59 ± 2.27, P = 0.932). There was no difference in tolerability or compliance between the two groups. Nausea was 21.2% in the fixed-time split dose group and 14.3% in the split dose group(P = 0.136). Vomiting was 7.1% and 2.9%(P = 0.164), abdominal discomfort 7.1% and 4.8%(P = 0.484), dizziness 1% and 4.8%(P = 0.113), cold sweating 1% and 0%(P = 0.302) and palpitation 0% and 1%(P = 0.330), respectively. Sleep disturbance was two(2%) patients in the fixed-time split dose group and zero(0%) patient in the split dose preparation(P = 0.143) *** A fixed-time split dose regimen with sodium picosulfate is not inferior to a split dose regimen for bowel preparation and equally effective for afternoon colonoscopy.

关键词： Colonoscopy Bowel preparation Split dose preparation Sodium picosulfate Ottawa Bowel Preparation Scale

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Identification of patients with advanced pancreatic cancer who might benefit from third-line chemotherapy

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World Journal of Gastrointestinal Oncology 2025年第2期17卷 74-83页

作者： Bomi kim Jaihwan kim Soomin Yang Jinwoo Ahn Kwangrok Jung jong-Chan Lee Jin-Hyeok Hwang Department of Internal Medicine Seoul National University Bundang HospitalSeoul National University College of MedicineSeongnam 13620South Korea

BACKGROUND Survival rates of patients with advanced pancreatic cancer(APC)have been improved with palliative chemotherapy *** current preferred first-line regimen consists of combination therapy of 5-fluorouracil(5-FU)/leucovorin(LV),irinotecan,and oxaliplatin(FOLFIRINOX)or gemcitabine plus albumin-bound paclitaxel(GNP).After failure of first-line chemotherapy,there are a few options for subsequent therapy including switch to the unused first-line regimen or nanoliposomal irinotecan and 5-FU/***,there are limited studies on the efficacy of third-line chemotherapy after failure of second-line *** To identify patients with APC who might benefit from third-line *** Medical records from a single tertiary hospital were retrospectively reviewed between 2012 and *** study included patients with histologically or cytologically confirmed metastatic or locally APC who underwent first-line FOLFIRINOX or GNP and subsequently received third-line *** survival(OS)after diagnosis and OS after third-line chemotherapy(OS3)were defined as the interval from the diagnosis to all-cause death and the time between the initiation of the third-line chemotherapy to all-cause death,*** A total of 141 patients were *** median patient age at diagnosis was 61.8 years(36.0-86.0),and 54.9%were *** first-line regimen was FOLFIRINOX(67.4%)or GNP(32.6%).The second-line regimen was FOLFIRINOX(27.0%),GNP(52.5%),or other(20.6%).The median OS was 19.0 months,and the median OS3 and progression-free survival after third-line treatment were 15.3 and 7.3 weeks,*** regard to the best tumor response during third-line chemotherapy,1.4%had partial response,24.8%had stable disease,and 59.6%had progressive *** following clinical factors before third-line chemotherapy affected OS3:Good performance status(PS),serum carbohydrate antigen 19-9(CA19-9)level<1000 U/mL,duration of second-line chemotherapy≥

关键词： Pancreatic cancer Chemotherapy Survival Performance status Carbohydrate antigen 19-9

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Prominent cycling reversibility and kinetics enabled by CaTiO_(3) protective layer on Zn metal for aqueous Zn-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 245-258页

作者： Gaeun Lee Yong Nam Ahn Seongjoon So Chanwoo Park jong-Seong Bae Taehyun Park Il Tae kim Jaehyun Hur School of Chemical Biologicaland Battery EngineeringGachon UniversitySeongnamGyeonggi 13120Republic of Korea Busan Center Korea Basic Science InstituteBusan 46742Republic of Korea

Aqueous Zn-ion batteries (AZIBs) have received considerable attention owing to their various advantages such as safety,low cost,simple battery assembly conditions,and high ionic ***,they still suffer from serious problems,including uncontrollable dendrite growth,corrosion,hydrogen evolution reaction (HER) from water decomposition,electrode passivation,and unexpected *** creation of a uniform artificial nanocrystal layer on the Zn anode surface is a promising strategy for resolving these ***,we propose the use of a perovskite CaTiO_(3)(CTO) protective layer on Zn(CTO@Zn) as a promising approach for improving the performance of *** CTO artificial layer provides an efficient pathway for Zn ion diffusion towards the Zn metal because of the high dielectric constant (εr=180) and ferroelectric characteristics that enable the alignment of dipole moments and redistribute the Zn^(2+)ions in the CTO *** avoiding the direct contact of the Zn anode with the electrolyte solution,the uneven dendrite growth,corrosion,parasitic side reactions,and HER are mitigated,while CTO retains its mechanical and chemical robustness during ***,CTO@Zn demonstrates an improved lifespan in a symmetric cell configuration compared with bare ***@Zn shows steady overpotential (~68 m V) for 1500 h at 1 mA cm^(-2)/0.5 mA h cm^(-2),excelling bare ***,when paired with the V_(2)O_(5)-C cathode,the CTO@Zn//V_(2)O_(5)-C full battery delivers 148.4 mA h g^(-1)(based on the mass of the cathode) after 300 *** study provides new insights into Zn metal anodes and the development of high-performance AZIBs.

关键词： CaTiO_(3) Artificial layer Dielectric constant Znmetal anode Zinc aqueous battery

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Advancements in Passive Wireless Sensing Systems in Monitoring Harsh Environment and Healthcare Applications

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Nano-Micro Letters 2025年第5期17卷 145-192页

作者： Wei Yue Yunjian Guo jong‐Chul Lee Enkhzaya Ganbold Jia-Kang Wu Yang Li Cong Wang Hyun Soo kim Young-Kee Shin Jun-Ge Liang Eun-Seong kim Nam-Young kim RFIC Bio Centre Kwangwoon UniversitySeoul 01897South Korea Department of Electronic Convergence Engineering Kwangwoon UniversitySeoul 01897South Korea Department of Electronic Engineering Jiangnan UniversityWuxi 214122People’s Republic of China School of Microelectronics Shandong UniversityJinan 250101People’s Republic of China School of Electronics and Information Engineering Harbin Institute of TechnologyHarbin 150001People’s Republic of China Department of Electronics Engineering Kwangwoon UniversitySeoul 01897South Korea Laboratory of Molecular Pathology and Cancer Genomics Department of Molecular Medicine and Biopharmaceutical SciencesGraduate School of Convergence Science and TechnologySeoul National UniversitySeoul 08826South Korea

Recent advancements in passive wireless sensor technology have significantly extended the application scope of sensing,particularly in challenging environments for monitoring industry and healthcare *** systems are equipped with battery-free operation,wireless connectivity,and are designed to be both miniaturized and *** features enable the safe,real-time monitoring of industrial environments and support high-precision physiological measurements in confined internal body spaces and on wearable epidermal *** the exploration into diverse application environments,the development of a systematic and comprehensive research framework for system architecture remains elusive,which hampers further optimization of these *** review,therefore,begins with an examination of application scenarios,progresses to evaluate current system architectures,and discusses the function of each component—specifically,the passive sensor module,the wireless communication model,and the readout module—within the context of key implementations in target sensing ***,we present case studies that demonstrate the feasibility of proposed classified components for sensing scenarios,derived from this systematic *** outlining a research trajectory for the application of passive wireless systems in sensing technologies,this paper aims to establish a foundation for more advanced,user-friendly applications.

关键词： Wireless sensing Passive detection Harsh environment Biomedical monitoring Flexible sensors

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A Rapid Adaptation Approach for Dynamic Air‑Writing Recognition Using Wearable Wristbands with Self‑Supervised Contrastive Learning

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Nano-Micro Letters 2025年第2期17卷 417-431页

作者： Yunjian Guo Kunpeng Li Wei Yue Nam‑Young kim Yang Li Guozhen Shen jong‑Chul Lee Department of Electronic Convergence Engineering Kwangwoon UniversitySeoul 01897South Korea Radio Frequency Integrated Circuit(RFIC)Bio Centre Kwangwoon UniversitySeoul 01897South Korea Department of Electronic Engineering Kwangwoon UniversitySeoul 01897South Korea School of Microelectronics Shandong UniversityJinan 250101People’s Republic of China State Key Laboratory of Integrated Chips and Systems Fudan UniversityShanghai 200433People’s Republic of China School of Integrated Circuits and Electronics Beijing Institute of TechnologyBeijing 100081People’s Republic of China

Wearable wristband systems leverage deep learning to revolutionize hand gesture recognition in daily *** existing approaches that often focus on static gestures and require extensive labeled data,the proposed wearable wristband with selfsupervised contrastive learning excels at dynamic motion tracking and adapts rapidly across multiple *** features a four-channel sensing array composed of an ionic hydrogel with hierarchical microcone structures and ultrathin flexible electrodes,resulting in high-sensitivity capacitance *** wireless transmission from a Wi-Fi module,the proposed algorithm learns latent features from the unlabeled signals of random wrist ***,only few-shot labeled data are sufficient for fine-tuning the model,enabling rapid adaptation to various *** system achieves a high accuracy of 94.9%in different scenarios,including the prediction of eight-direction commands,and air-writing of all numbers and *** proposed method facilitates smooth transitions between multiple tasks without the need for modifying the structure or undergoing extensive task-specific *** utility has been further extended to enhance human–machine interaction over digital platforms,such as game controls,calculators,and three-language login systems,offering users a natural and intuitive way of communication.

关键词： Wearable wristband Self-supervised contrastive learning Dynamic gesture Air-writing Human-machine interaction

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Half-Covered'Glitter-Cake'AM@SE Composite:A Novel Electrode Design for High Energy Density All-Solid-State Batteries

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Nano-Micro Letters 2025年第5期17卷 463-478页

作者： Min Ji kim Jin-Sung Park Jin Woong Lee Sung Eun Wang Dowoong Yoon jong Deok Lee Jung Hyun kim Taeseup Song Ju Li Yun Chan Kang Dae Soo Jung Energy and Environmental Division Korea Institute of Ceramic Engineering and TechnologyJinjuGyeongnam 52851Republic of Korea Department of Materials Science and Engineering Korea UniversityAnam-DongSeongbuk-GuSeoul 136-713Republic of Korea Department of Nuclear Science and Engineering Massachusetts Institute of TechnologyCambridgeMA 20139USA Department of Materials Science and Engineering Ajou UniversitySuwon 16499Republic of Korea Department of Energy Systems Research Ajou UniversitySuwon 16499Republic of Korea Department of Energy Engineering Hanyang UniversitySeoul 04763Republic of Korea Department of Materials Science and Engineering Massachusetts Institute of TechnologyCambridgeMA 02139USA

All-solid-state batteries(ASSBs)are pursued due to their potential for better safety and high energy ***,the energy density of the cathode for ASSBs does not seem to be satisfactory due to the low utilization of active materials(AMs)at high *** small amount of solid electrolyte(SE)powder in the cathode,poor electrochemical performance is often observed due to contact loss and non-homogeneous distribution of AMs and SEs,leading to high tortuosity and limitation of lithium and electron transport ***,we propose a novel cathode design that can achieve high volumetric energy density of 1258 Wh L^(-1)at high AM content of 85 wt%by synergizing the merits of AM@SE core–shell composite particles with conformally coated thin SE shell prepared from mechanofusion process and small SE *** core–shell structure with an intimate and thin SE shell guarantees high ionic conduction pathway while unharming the electronic *** addition,small SE particles play the role of a filler that reduces the packing porosity in the cathode composite electrode as well as between the cathode and the SE separator *** systematic demonstration of the optimization process may provide understanding and guidance on the design of electrodes for ASSBs with high electrode density,capacity,and ultimately energy density.

关键词： All-solid-state batteries Cathodes Sulfide-based solid electrolytes Interfaces Mechanofusion

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A Flexible Smart Healthcare Platform Conjugated with Artificial Epidermis Assembled by Three‑Dimensionally Conductive MOF Network for Gas and Pressure Sensing

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Nano-Micro Letters 2025年第2期17卷 601-620页

作者： Qingqing Zhou Qihang Ding Zixun Geng Chencheng Hu Long Yang Zitong Kan Biao Dong Miae Won Hongwei Song Lin Xu jong Seung kim State Key Laboratory of Integrated Optoelectronics College of Electronic Science and EngineeringJilin UniversityChangchun 130012People’s Republic of China Department of Chemistry Korea UniversitySeoul 02841Republic of Korea TheranoChem Incorporation Seoul 02856Republic of Korea

The rising flexible and intelligent electronics greatly facilitate the noninvasive and timely tracking of physiological information in telemedicine *** building bionic-sensitive moieties is vital for designing efficient electronic skin with advanced cognitive functionalities to pluralistically capture external ***,realistic mimesis,both in the skin’s three-dimensional interlocked hierarchical structures and synchronous encoding multistimuli information capacities,remains a challenging yet vital need for simplifying the design of flexible logic ***,we construct an artificial epidermal device by in situ growing Cu_(3)(HHTP)_(2) particles onto the hollow spherical Ti_(3)C_(2)T_(x) surface,aiming to concurrently emulate the spinous and granular layers of the skin’s *** bionic Ti_(3)C_(2)T_(x)@Cu_(3)(HHTP)_(2) exhibits independent NO_(2) and pressure response,as well as novel functionalities such as acoustic signature perception and Morse code-encrypted message ***,a wearable alarming system with a mobile application terminal is self-developed by integrating the bimodular senor into flexible printed *** system can assess risk factors related with asthmatic,such as stimulation of external NO_(2) gas,abnormal expiratory behavior and exertion degrees of fingers,achieving a recognition accuracy of 97.6%as assisted by a machine learning *** work provides a feasible routine to develop intelligent multifunctional healthcare equipment for burgeoning transformative telemedicine diagnosis.

关键词： Ti_(3)C_(2)T_(x)@Cu_(3)(HHTP)_(2)composites NO_(2)/pressure flexible sensors Health-monitoring Machine learning

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Microstructural evolution of pre-twinned Mg alloy with annealing temperature and underlying boundary migration mechanism

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Journal of Magnesium and Alloys 2023年第8期11卷 2953-2966页

作者： Ye Jin kim jong Un Lee Gyo myeong Lee Sung Hyuk Park School of Materials Science and Engineering Kyungpook National UniversityDaegu 41566Republic of Korea

This study investigates the variations in the microstructural characteristics of a pre-twinned Mg alloy with the temperature of the subsequent annealing *** this end,a rolled AZ31 alloy is compressed to 3%plastic strain along the rolling direction(RD)to activate{10-12}twinning and is subsequently annealed at 200,250,300,350,and 400℃.Numerous{10-12}twins are formed throughout the compressed material,leading to the formation of a RD-oriented *** an annealing temperature of 200℃,no microstructural variations occur during *** the annealing temperature increases from 250 to 400℃,the residual strain energy and remaining twin boundaries of the annealed material decrease owing to the promoted static recovery and the increased area fraction of twin-free grown ***,an increase in the annealing temperature results in a gradual microstructural transition from a fully twinned grain structure to a completely twin-free grain *** microstructural evolution during annealing is predominantly governed by the movement of high-angle grain boundaries via a strain-induced boundary migration mechanism,and a few twin boundaries migrate above 350℃because of their lower boundary *** boundary migration behavior and resultant microstructural evolution are discussed in detail based on the variations in boundary mobility and driving force for boundary migration with annealing temperature.

关键词： Rolled Mg alloy {10-12}twin Grain growth Boundary migration Annealing

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Environmentally friendly hybrid coating prepared by electro-deposition method at various seawater conditions

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中国有色金属学会会刊：英文版 2009年第B09期19卷 110-113页

作者： myeong-Hoon LEE Kyung-Man MOON jong-Do kim Kang JUN Kwang-Ho kim Division of Marine System Engineering Korea Maritime University Dongsam-Dong Youngdo Busan 606-791 Korea National Core Research Center for Hybrid Materials Solution Pusan National University Busan 609-735 Korea

The formation mechanism of calcareous deposit films in seawater involves an increase in pH at the metal/solution interface due to cathodic reactions, a raised carbonate ion concentration at the interface and precipitation of inorganic deposits such as CaCO3, Mg(OH)2. Environmentally friendly hybrid calcareous deposit films were formed by an electrochemical technique on steel substrates in various solution environments. And the influence of dissolved gas on formation of calcareous deposit films was investigated by scanning electron microscopy(SEM), energy dispersive spectroscopy(EDS) and X-ray diffractometry(XRD). Consequently, these results showed that formation of good overall calcareous deposited films by dissolved gas in seawater environments can be achieved by controlling the material composition and structure through effective use of electrochemical method.

关键词：海水混合环保电沉积扫描电子显微镜涂层制备溶液界面

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Laser transformation hardening on rod-shaped carbon steel by Gaussian beam

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中国有色金属学会会刊：英文版 2009年第4期19卷 941-945页

作者： jong-Do kim myeong-Hoon LEE Su-Jin LEE Woon-Ju KANG Division of Marine System Engineering College of Maritime SciencesKorea Maritime University Graduate School Korea Maritime University

Laser transformation hardening(LTH) is one of the laser surface modification *** surface hardening of rod-shaped carbon steel(SM45C) was performed by lathe-based laser composite processor with Gaussian-beam optical *** LTH characteristics by dominant processes,longitudinal and depth directional hardness distributions and behaviors of phase transformation in hardened zones were ***,two concepts of circumferential speed and theoretical overlap rate were *** laser power increased or circumferential speed decreased,the surface hardening depth gradually increases due to the increased heat ***,the longitudinal hardness distribution particularly shows periodicity of repetitive increase and decrease,which results from tempering effect by ***,the feasibility of laser transformation hardening is verified by using the beam with Gaussian intensity distribution.

关键词：激光相变硬化高斯光束碳素钢表面强化硬度分布圆周速度改性过程相变行为

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