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Prominent cycling reversibility and kinetics enabled by CaTiO3 protective layer on Zn metal for aqueous Zn-ion batteries

The Second Asian and Oceanic Congress for Radiation Protection

作者： Meeseon JEONG Young-Woo JIN Young Khi LIM Soo Keun KIM byoung-il lee Youn Koun JANG Sook Hee SUNG ill Keun PARK Yeon Joo lee Chong-Soon KIM Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea Radiation Health Research Institute KHNPSeoulKorea

Epidemiological studies of nuclear industry workers have important role to examine the health effect of low dose and low dose-rate radiation *** this study we analyzed the cohort of Korean nuclear power plants *** cohort consists of 7,459 male workers exposed to ionizing radiation and 6,508 controls without exposure *** paper presents the results of analysis on their cancer incidence between 1993 and 2002.A total of 58 cancers were ascertained for radiation workers and 50 for non-radiation ***-standardized rate ratio for two groups was 1.09（95% CI:0.74,1.62）.Trend test showed that cancer incidence rate in individual dose group was not significantly increased with increasing cumulative dose（p=0.2506）.Excess relative risk for all cancers combined was 6.77（95% CI:-4.02,27.54）per sievert,suggesting no statistically significant association between radiation dose and cancer *** of this study are not conclusive because of considerable *** size of the cohort,small cases of cancer incidence,and young ages of subjects limit the power of the *** we need further follow-up and the expansion of cohort to increase the power and to obtain stable risk estimate.

关键词： radiation workers cohort standardized incidence ratio rate ratio excess relative risk

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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 Biological and Battery Engineering Gachon University Seongnam Busan Center Korea Basic Science Institute

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 CaTiO3（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 Zn2+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 V2O5-C cathode,the CTO@Zn//V2O5-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： Artificial layer Dielectric constant Zn metal anode Zinc aqueous battery

Regulation of sleep by astrocytes in the hypothalamic ventrolateral preoptic nucleus

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Neural Regeneration Research 2025年第4期20卷 1098-1100页

作者： Jae-Hong Kim Ruqayya Afridi il-Sung Jang Maan Gee lee Kyoungho Suk Brain Korea 21 four KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of MedicineKyungpook National UniversityDaeguRepublic of Korea Department of Pharmacology School of DentistryKyungpook National UniversityDaeguRepublic of Korea Brain Science&Engineering Institute Kyungpook National UniversityDaeguRepublic of Korea

Astrocytes are functionally dynamic cells that support neurons in multiple ways throughout an organism’s *** astrocytic regulation of neuronal activity has been increasingly recognized in recent *** are now recognized as playing a more complex role than mere bystanders in the central nervous ***,their role in regulating the sleep neurocircuitry is not well *** this perspective,we highlight the role of astrocytes in sleep modulation,with a particular focus on regulatory mechanisms related to the ventrolateral preoptic nucleus(VLPO)of the *** briefly discuss recent literature reporting the role of VLPO astrocytes in regulating sleep-associated behaviors.

关键词： sleep ventrolateral astrocytes

Bimetallic Single‑Atom Catalysts for Water Splitting

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Nano-Micro Letters 2025年第1期17卷 1-45页

作者： Megha A.Deshmukh Aristides Bakandritsos Radek Zbořil Nanotechnology Centre Centre for Energy and Environmental TechnologiesVŠB–Technical University of Ostrava17.listopadu 2172/1570800 Ostrava‑PorubaCzech Republic Regional Centre of Advanced Technologies and Materials Czech Advanced Technology and Research Institute(CATRIN)Palacky University OlomoucŠlechtitelů241/2778371 Olomouc–HoliceCzech Republic

Green hydrogen from water splitting has emerged as a critical energy vector with the potential to spearhead the global transition to a fossil fuel-independent *** field of catalysis has been revolutionized by single-atom catalysts(SACs),which exhibit unique and intricate interactions between atomically dispersed metal atoms and their ***,bimetallic SACs(bimSACs)have garnered significant attention for leveraging the synergistic functions of two metal ions coordinated on appropriately designed *** offer an avenue for rich metal–metal and metal–support cooperativity,potentially addressing current limitations of SACs in effectively furnishing transformations which involve synchronous proton–electron exchanges,substrate activation with reversible redox cycles,simultaneous multi-electron transfer,regulation of spin states,tuning of electronic properties,and cyclic transition states with low activation *** review aims to encapsulate the growing advancements in bimSACs,with an emphasis on their pivotal role in hydrogen generation via water *** subsequently delve into advanced experimental methodologies for the elaborate characterization of SACs,elucidate their electronic properties,and discuss their local coordination ***,we present comprehensive discussion on the deployment of bimSACs in both hydrogen evolution reaction and oxygen evolution reaction,the two half-reactions of the water electrolysis process.

关键词： Single-atom catalysts Single-atom dimers Hydrogen evolution Oxygen evolution Water splitting

Adsorption properties of polycarboxylate ether-based superplasticizer on cement particles and their resultant dispersion

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Frontiers of Structural and Civil Engineering 2022年第4期16卷 506-514页

作者： Jinyoung YOON byoung il CHOI Jae Hong KIM Department of Structural Engineering Research Korea Institute of Civil Engineering and Building Technology(KICT)Goyang 10223Republic of Korea System Safety Research Department Korea Shipbuilding and Offshore EngineeringSeongnam 13591Republic of Korea Department of Civil and Environmental Engineering Korea Advanced Institute of Science and TechnologyDaejeon 34141Republic of Korea

The cement dispersion performance of a polycarboxylate(PCE)-based superplasticizer is highly related to their adsorption behaviors as a function of *** study evaluated effects of PCEs on rheological properties of cementitious ***,characteristics of PCEs were characterized via permeation chromatography(GPC)and Fourier-transform infrared spectrometry(FT-IR).The adsorption behavior of single and blended PCEs on cementitious composites was identified using total organic carbon analyzer(TOC).Based on the measurement of PCE adsorption,the changes of rheological properties of cementitious materials as well as the number of dispersed cement particles were characterized using a rheometer and laser spectroscopy,*** experimental results support the systematic mechanism of PCE adsorption,cement dispersion,and the decrease in viscosity of cementitious materials.

关键词： adsorption polycarboxylate superplasticizer rheology dispersion

Does the bile duct angulation affect recurrence of choledocholithiasis?

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World Journal of Gastroenterology 2011年第36期17卷 4118-4123页

作者： Dong Beom Seo byoung Wook Bang Seok Jeong Don Haeng lee Shin Goo Park Yong Sun Jeon Jung il lee Jin-Woo lee Division of Gastroenterology Department of Internal MedicineInha University School of MedicineIncheon 400-711South Korea Division of Gastroenterology Department of Internal Medicine and Center for Advanced Medical Education by BK21 ProjectInha University School of Medicineand Utah-Inha DDS and Advanced Therapeutics Research CenterIncheon 400-711South Korea Department of Occupational and Environmental Medicine Inha University School of MedicineIncheon 400-711South Korea Department of Radiology Inha University School of MedicineIncheon400-711South Korea

AIM:To investigate whether bile duct angulation and T-tube choledochostomy influence the recurrence of ***:We conducted a retrospective study including 259 patients who underwent endoscopic sphincterotomy and cholecystectomy for choledocholithiasis between 2000 and *** imaginary line was drawn along the center of the bile duct and each internal angle was measured at the two angulation sites ofthe bile duct *** values of both angles were added *** then tested our hypothesis by examining whether T-tube choledochostomy was performed and stone recurrence occurred by reviewing each subject's medical ***:The overall recurrence rate was 9.3% (24 of 259 patients).The mean value of sums of angles in the recurrence group was 268.3°± 29.6°,while that in the non-recurrence group was 314.8°± 19.9° (P ile that of the non T-tube group was 4.6% (7 of 152) (P ile duct angulation and T-tube choledochostomy may be risk factors of recurrence of bile duct stones.

关键词： Choledocholithiasis Common bile duct Cholecystectomy Recurrence Endoscopic retrograde cholangio pancreatography

Grobner-Shirshov Bases for Exceptional Lie Superalgebras

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Algebra Colloquium 2015年第1期22卷 1-10页

作者： Dong-il lee Department of Mathematics Seoul Women's University Seoul 139-774 Korea

For exceptional Lie superalgebras D（2, 1; α）, G（3） and F（4）, GrSbner-Shirshov bases and the corresponding super-Lyndon-Shirshov monomial bases are constructed.

关键词： Grobner-Shirshov basis Lie superalgebra super-Lyndon-Shirshov monomial

Design and Implementation of 10 Gbps Optical Add-Drop Transponder

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光学学报 2003年第S1期23卷 657-658页

作者： byoung-Sung Kim Seung-il Myong Jung-Chan lee Je-Soo Ko Network Laboratory Electronics and Telecommunications Research Institute Daejeon Korea.Network Laboratory Electronics and Telecommunications Research Institute Daejeon Korea.Network Laboratory Electronics and Telecommunications Research Institute Daejeon Korea.Network Laboratory Electronics and Telecommunications Research Institute Daejeon Korea.

10 Gbps optical add-drop transponder, which can accommodate VSR (very short reach) to LR (long reach) subnetworks, is designed and implemented. The transponder consists of an OCA (optical transport network connection ... 详细信息

关键词： SONET VSR very LR FEC of Design and Implementation of 10 Gbps Optical Add-Drop Transponder SCA

PGLYRP1 protein as a novel mediator of cellular dialogue in neuroinflammation

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Neural Regeneration Research 2025年第7期20卷 1993-1994页

作者： Anup Bhusal Won-Ha lee Kyoungho Suk Department of Pharmacology School of MedicineKyungpook National UniversityDaeguRepublic of Korea BK21 Plus KNU Biomedical Convergence Program Department of Biomedical ScienceSchool of MedicineKyungpook National UniversityDaeguRepublic of Korea School of Life Sciences BK21 plus KNU Creative BioResearch GroupKyungpook National UniversityDaeguRepublic of Korea Brain Science and Engineering Institute Kyungpook National UniversityDaeguRepublic of Korea

Neuroinflammation has been identified as a crucial element in several neurological disorders. Glial cells play a critical role in directing neuroinflammation, both in deleterious and beneficial ways.

关键词： inflammation considerably