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Elucidating Ion Transport Phenomena in sulfide/Polymer Composite Electrolytes for Practical Solid-State Batteries

Nano-Micro Letters 2023年第10期15卷 416-432页

作者： Kyeong‑Seok Oh Ji Eun Lee Yong‑Hyeok Lee yi‑su jeong Imanuel Kristanto Hong‑Seok Min Sang‑Mo Kim Young Jun Hong Sang Kyu Kwak Sang‑Young Lee Department of Chemical and Biomolecular Engineering Yonsei University50 Yonsei‑roSeodaemun‑guSeoul 03722Republic of Korea Department of Chemical and Biological Engineering Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea School of Energy and Chemical Engineering Ulsan National Institute of Science and Technology(UNIST)50 UNIST‑gilEonyang‑eupUlju‑gunUlsan 44919Republic of Korea Hyundai Motor Company 150Hyundaiyeonguso‑roNamyang‑eupHwaseong‑siGyeonggi‑do 18280Republic of Korea

Despite the enormous interest in inorganic/polymer composite solid-state electrolytes(CSEs)for solid-state batteries(SSBs),the underlying ion transport phenomena in CSEs have not yet been ***,we address this issue by formulating a mechanistic understanding of bi-percolating ion channels formation and ion conduction across inorganic-polymer electrolyte interfaces in CSEs.A model CSE is composed of argyrodite-type Li_6PS_5Cl(LPSCl)and gel polymer electrolyte(GPE,including Li~+-glyme complex as an ion-conducting medium).The percolation threshold of the LPSCl phase in the CSE strongly depends on the elasticity of the GPE ***,manipulating the solvation/desolvation behavior of the Li~+-glyme complex in the GPE facilitates ion conduction across the LPSCl-GPE *** resulting scalable CSE(area=8×6(cm×cm),thickness~40μm)can be assembled with a high-mass-loading LiNi_(0.7)Co_(0.15)Mn_(0.15)O_(2)cathode(areal-mass-loading=39 mg cm~(-2))and a graphite anode(negative(N)/positive(P)capacity ratio=1.1)in order to fabricate an SSB full cell with bi-cell *** this constrained cell condition,the SSB full cell exhibits high volumetric energy density(480 Wh L_(cell)~(-1))and stable cyclability at 25℃,far exceeding the values reported by previous CSE-based SSBs.

关键词： Solid-state batteries Composite solid-state electrolytes Ion transport phenomena Bi-percolating ion channels Interfacial resistance

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Single-cell and spatial omics:exploring hypothalamic heterogeneity

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Neural Regeneration Research 2025年第6期20卷 1525-1540页

作者： Muhammad Junaid Eun jeong Lee su Bin Lim Department of Biochemistry&Molecular Biology Ajou University School of MedicineSuwonSouth Korea Department of Biomedical Sciences Graduate School of Ajou UniversitySuwonSouth Korea Department of Brain Science Ajou University School of MedicineSuwonSouth Korea

Elucidating the complex dynamic cellular organization in the hypothalamus is critical for understanding its role in coordinating fundamental body functions. Over the past decade, single-cell and spatial omics technologies have significantly evolved, overcoming initial technical challenges in capturing and analyzing individual cells. These high-throughput omics technologies now offer a remarkable opportunity to comprehend the complex spatiotemporal patterns of transcriptional diversity and cell-type characteristics across the entire hypothalamus. Current single-cell and single-nucleus RNA sequencing methods comprehensively quantify gene expression by exploring distinct phenotypes across various subregions of the hypothalamus. However, single-cell/single-nucleus RNA sequencing requires isolating the cell/nuclei from the tissue, potentially resulting in the loss of spatial information concerning neuronal networks. Spatial transcriptomics methods, by bypassing the cell dissociation, can elucidate the intricate spatial organization of neural networks through their imaging and sequencing technologies. In this review, we highlight the applicative value of single-cell and spatial transcriptomics in exploring the complex molecular-genetic diversity of hypothalamic cell types, driven by recent high-throughput achievements.

关键词： cellular diversity hypothalamus multi-omics single-cell transcriptomics spatial transcriptomics

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Saccharomyces boulardii as a single trigger of food protein-induced enterocolitis syndrome: Seven case reports

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World Journal of Clinical Cases 2025年第6期13卷 35-40页

作者： Jin-Bok Hwang Hyo-jeong Jang Department of Pediatrics Keimyung University School of MedicineDongsan Medical CenterDaegu 42601South Korea

BACKGROUND Food protein-induced enterocolitis syndrome(FPIES)is the most serious type of non-immunoglobulin E(IgE)-mediated food allergic reaction manifesting as sepsis-like symptom,which can lead to *** boulardii(***),a probiotic prescribed frequently in clinical settings,has been reported to trigger FPIES in an infant with soy-triggered *** this report,we describe a new clinical FPIES in which *** was the sole triggering factor of acute FPIES adverse reaction in seven healthy *** suMMARY Seven FPIES cases triggered by only *** were gathered from 2011 to the *** of the patients had previously experienced any allergic reaction to cow’s milk,soy,or complementary *** age of the patients was 4-10-months old,and the symptoms of FPIES developed after ingestion of ***,which is mostly prescribed for the treatment of gastroenteritis or antibiotic-associated *** patients experienced severe repetitive vomiting 1-3 hours after *** *** lethargy,marked pallor,and cyanosis were also *** IgE-mediated hypersensitivity developed in any *** was followed by initial intense vomiting in approximately 5-10 hours after *** ingestion,and only one case showed bloody,purulent,and foul-smelling *** patients stabilized quickly,mostly within 6 *** got all improved within 24 hours after discontinuation of *** *** can be the sole trigger of acute FPIES and be prescribed cautiously even in healthy children without FPIES.

关键词： Food protein-induced enterocolitis syndrome Food hypersensitivity Saccharomyces boulardii Probiotics Child Case report

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Nuclear symmetry energy from QCD sum rules

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Nuclear Science and Techniques 2013年第5期24卷 31-33页

作者： jeong Kie Sang LEE su Houng Institute of Physics and Applied Physics Yonsei University

We calculated the nucleon self-energies in iso-spin asymmetric nuclear matter and obtained the nuclear symmetry energy by taking difference of these of neutron and *** find that the scalar(vector) self-energy part gives a negative(positive) contribution to the nuclear symmetry energy,consistent with the result from relativistic mean-field ***,we found exact four-quark operator product expansion for nucleon sum *** them,twist-4 matrix elements which can be extracted from deep inelastic scattering experiment constitute an essential part in the origin of the nuclear symmetry energy from *** result also extends early success of QCD sum rule in the symmetric nuclear matter to the asymmetric nuclear matter.

关键词： QCD求和规则对称能非对称核物质相对论平均场理论核电矩阵元素散射实验对称性

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What is the appropriate strategy for diagnosing NAFLD using ultrasonography in obese children?

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World Journal of Pediatrics 2017年第3期13卷 248-254页

作者： Jee Hyun Lee su Jin jeong Department of Pediatrics Ansan HospitalKorea University Medical CenterCollege of MedicineKorea University Department of Pediatrics Bundang CHA Medical CenterCHA University School of MedicineKorea

Background:The aim of this study is to identify obese children who are candidates for a potential diagnosis of non-alcoholic fatty liver disease (NAFLD).Methods:We enrolled 242 obese children (122 boys and 120 girls) aged 7-16 years who were examined with abdominal ultrasonography in our pediatric obesity *** compared patients in the normal group with those in the NAFLD group (mild disease,moderate to severe disease) and identified the optimal anthropometric parameters among height,weight,body mass index (BMI),waist circumference,hip circumference,waist to height ratio (WHtR),and waist to hip ratio to predict NAFLD using a receiver operating characteristic curve *** also investigated risk factors associated with NAFLD for the anthropometric parameters and the biochemical model using logistic ***:The high-and low-risk groups for hepatic steatosis relative to a WHtR of 0.56 as the standard point showed significant differences in hepatic steatosis severity grade (P0.56 (2.25,1.05-4.81),and waist circumference >90th percentile (20.22,9.21-44.36) in the anthropometric parameter model and elevated alanine aminotransferase levels (boys >25.8 U/L,girls >22.1 U/L) (6.93,2.52-19.03),hypertriglyceridemia (>110 mg/dL) (3.80,1.23-11.75),and triglyceride to HDL cholesterol ratio >3 (9.23,2.95-8.83) in the biochemical parameter ***:A diagnostic approach to hepatic steatosis is recommended as part of the proper screening and stratification of risk factors in obese *** is a simple and convenient method of effectively identifying obese children who are candidates for hep

关键词： hepatic steatosis non-alcoholic fatty liver disease obesity waist-to-height ratio

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SMINER:Detecting Unrestricted and Misimplemented Behaviors of Software Systems Based on Unit Test Cases

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Computers, Materials & Continua 2023年第5期75卷 3257-3274页

作者： Kyungmin Sim jeong Hyun yi Haehyun Cho School of Software Soongsil UniversitySeoul06978Korea

Despite the advances in automated vulnerability detection approaches,security vulnerabilities caused by design flaws in software systems are continuously appearing in real-world *** security design flaws can bring unrestricted and misimplemented behaviors of a system and can lead to fatal vulnerabilities such as remote code execution or sensitive data ***,it is an essential task to discover unrestricted and misimplemented behaviors of a ***,it is a daunting task for security experts to discover such vulnerabilities in advance because it is timeconsuming and error-prone to analyze the whole code in ***,most of the existing vulnerability detection approaches still focus on detecting memory corruption bugs because these bugs are the dominant root cause of software *** paper proposes SMINER,a novel approach that discovers vulnerabilities caused by unrestricted and misimplemented *** first collects unit test cases for the target system from the official ***,preprocess the collected code *** uses pre-processed data to show the security policies that can occur on the target system and creates a test case for security policy *** demonstrate the effectiveness of SMINER,this paper evaluates SMINER against Robot Operating System(ROS),a real-world system used for intelligent robots in Amazon and controlling satellites in National Aeronautics and Space Administration(NASA).From the evaluation,we discovered two real-world vulnerabilities in ROS.

关键词： Security vulnerability test case generation security policy test robot operating system vulnerability assessment

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Application of an Artificial Neural Network for a Direct Estimation of Atmospheric Instability from a Next-Generation Imager

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Advances in Atmospheric Sciences 2016年第2期33卷 221-232页

作者： su jeong LEE Myoung-Hwan AHN Yeonjin LEE Department of Atmospheric Science and Engineering Ewha Women’s University

Atmospheric instability information derived from satellites plays an important role in short-term weather forecasting, especially the forecasting of severe convective storms. For the next generation of weather satellites for Korea＇s multi-purpose geostationary satellite program, a new imaging instrument has been developed. Although this imaging instrument is not de- signed to perform full sounding missions and its capability is limited, its multi-spectral infrared channels provide information on vertical sounding. To take full advantage of the observation data from the much improved spatiotemporal resolution of the imager, the feasibility of an artificial neural network approach for the derivation of the atmospheric instability is investigated. The multi-layer perceptron model with a feed-forward and back-propagation training algorithm shows quite a sensitive re- sponse to the selection of the training dataset and model architecture. Through an extensive performance test with a carefully selected training dataset of 7197 independent profiles, the model architectures are selected to be 12, 5000, and 0.3 for the number of hidden nodes, number of epochs, and learning rate, respectively. The selected model gives a mean absolute error, RMSE, and correlation coefficient of 330 J kg-1, 420 J kg-1, and 0.9, respectively. The feasibility is further demonstrated via application of the model to real observation data from a similar instrument that has comparable observation channels with the planned imager.

关键词： CAPE artificial neural network instability geostationary imager

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Energy efficient mechanism using flexible medium access control protocol for hybrid wireless sensor networks

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Journal of Central South University 2013年第8期20卷 2165-2174页

作者： suN Ning jeong Yoon-su LEE Sang-ho Department of Computer Science Chungbuk National University Department of Information Communication Engineering Mokwon University

Energy efficiency is a primary consideration in a wireless sensor network (WSN). This is also a major parameter when designing a medium access control (MAC) protocol for WSNs. Hierarchical clustering structure is regarded suitable for WSNs due to its good performance in energy conservation. In this work, an adequately flexible mechanism for clustering WSNs is designed, in which some creative or promotional metrics are utilized, such as cluster head selection algorithm, cluster optional reconstruction, interested data transmission, multiple path routing protocol. All these strategies were cooperated to maximize energy saving of whole system. An appropriate MAC protocol for this mechanism is proposed, by flexibly switching the status of diverse sensor nodes in different strategies. The simulation results show that the proposed MAC protocol is suitable for clustering WSNs and performs well in aspects of energy efficiency, flexibility and scalability.

关键词： MAC protocol energy conservation flexibility re-clustering wireless sensor network

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What is the best strategy for successful bowel preparation under special conditions?

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World Journal of Gastroenterology 2014年第11期20卷 2741-2745页

作者： Yun jeong Lim su Jin Hong Department of Internal Medicine College of MedicineDongguk UniversityGyeonggi-Do 410-773South Korea Digestive Disease Center and Research Institute Department of Internal MedicineSoonchunhyang University College of MedicineBucheonGyeonggi-Do 420-767South Korea

Adequate bowel preparation is important for successful colonoscopic examination. Several effective colonic cleansing agents are available and routinely prescribed, but each carries its own limitations and benefits from particular dosing regimens. The most frequently prescribed colonic cleansing agent, the polyethylene glycol (PEG) cathartic solution, suffers from low patient compliance in general, due to its unpalatable taste and smell coupled with the large ingested volumes required. However, PEG is preferred over other cathartics for use in individuals of advanced age, sufferers of chronic kidney disease, heart failure and inflammatory bowel disease, and women who are pregnant or lactating. The laxative agents sodium phosphate (NaP) and sodium picosulfate plus magnesium citrate have been applied and have improved patient compliance and tolerance. NaP, however, should be avoided in individuals with impaired renal function or plasma clearance, such as those with chronic kidney disease, who are taking drugs that affect renal function, or who suffer from heart failure. Other special conditions that may affect an individual’s tolerance of the cathartic agent or ability to complete the administration routine include stroke, severe constipation, hematochezia, suspicious lower gastrointestinal bleeding, and mental disorders such as dementia. All ingestible bowel preparation solutions can be instilled into the stomach and duodenum through nasogastric tube or esophagogastroduodenoscope with the aid of a water irrigation pump for patients with difficulties swallowing or ingesting the large volumes of fluid required. In addition, dietary regimens based on clear liquids and low-residue foods for 1-4 d prior to the colonoscopy may be supplemental bowel preparation strategies. Achieving an effective and safe cleansing of the bowel is important for successful colonoscopy in all patients, so full knowledge of the individual’s condition and capabilities is necessary

关键词： Colonoscopy Preparation Polyethylene glycols Special conditions Cathartic agent

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Efficient and secure source authentication scheme for multicast user authentication

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Journal of Central South University 2013年第10期20卷 2741-2746页

作者： jeong Yoon-su LEE Sang-hyuk SHIN Seung-soo Department of Information Communication Engineering Mokwon University Department of Electrical and Electronic Engineering Xi’an Jiaotong-Liverpool University Department of Information Security Tongmyong University

Multicast technology application has been widely utilized in broadband internet. Source authentication is one of the most needs for many multicast applications transferring real-time information such as stream video and online news. Because multicast current services provided to the group members are changed dynamically, data transferring by a group member is not used by the recipient. In order to verify the identity of the sender who sent the packet and to make sure that the data have not been tampered, an optimized source authentication scheme has been proposed to transfer the authentication information not to the next-door packet. The proposed method for multiple packets authenticates the source with a limited number of electronic signatures. The proposed method can reduce overhead compared to the method by adding a digital signature for every packet. In addition, by sending the generated electronic signature to the first packet and the last packet, it prevents the loss of consecutive packets, as well as a source authentication can be provided in real-time services.

关键词： multicast packet source authentication broadband Internet

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