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Syndrome Pattern and Its Application in Parallel Randomized Controlled Trials

Chinese Journal of Integrative Medicine 2013年第3期19卷 163-171页

作者： Byung-Cheul Shin Sina Kim young-hun cho Division of Clinical Medicine School of Korean MedicinePusan National University Department of Korean Medicine School of Korean MedicinePusan National University Department of Korean Medical Science School of Korean MedicinePusan National University

Syndrome pattern （SP） is a core concept of Chinese medicine （CM） and is used to diagnose and treat patients based on an overall analysis of symptoms and signs. This study aimed to systematically review randomized controlled trials （RCTs） using the SP concept and to demonstrate how the SP concept could be applied to the study design of parallel RCTs, considering a gold standard of clinical research. After conducting a brief systematic review by way of a PubMed search, we analyzed how the SP concept was applied to the design of RCT in a CM herbal medicine trial. We then formulated possible research questions, applied the SP concept to answer the research questions, and suggested possible RCT designs to be used for conducting future trials. Fourteen RCTs were included in our systematic review, and three key points of the SP concept were formulated for the design of parallel RCTs： the time point of SP diagnosis between before and after randomization; the relationship between the international classification of diseases （ICD） and SP for the inclusion of target population; and the proper diagnostic method of SP. In this study, we formulated three possible research questions and then suggested perspectives for five possible RCT models arrived at using SP concepts. Future trials applying SP concept to RCTs should overcome the shortcomings of past SP trials, moving CM forward from experience-based to evidence-based medicine.

关键词： syndrome pattern randomized controlled trial traditional Chinese medicine evidence-basedmedicine integrative medicine

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A New Encryption Mechanism Supporting the Update of Encrypted Data for Secure and Efficient Collaboration in the Cloud Environment

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 813-834页

作者： Chanhyeong cho Byeori Kim Haehyun cho Taek-young Youn Department of Cyber Security Dankook UniversityYongin16890Republic of Korea Department of Software Soongsil UniversitySeoul07027Republic of Korea

With the rise of remote collaboration,the demand for advanced storage and collaboration tools has rapidly ***,traditional collaboration tools primarily rely on access control,leaving data stored on cloud servers vulnerable due to insufficient *** paper introduces a novel mechanism that encrypts data in‘bundle’units,designed to meet the dual requirements of efficiency and security for frequently updated collaborative *** bundle includes updated information,allowing only the updated portions to be reencrypted when changes *** encryption method proposed in this paper addresses the inefficiencies of traditional encryption modes,such as Cipher Block Chaining(CBC)and Counter(CTR),which require decrypting and re-encrypting the entire dataset whenever updates *** proposed method leverages update-specific information embedded within data bundles and metadata that maps the relationship between these bundles and the plaintext *** utilizing this information,the method accurately identifies the modified portions and applies algorithms to selectively re-encrypt only those *** approach significantly enhances the efficiency of data updates while maintaining high performance,particularly in large-scale data *** validate this approach,we conducted experiments measuring execution time as both the size of the modified data and the total dataset size *** show that the proposed method significantly outperforms CBC and CTR modes in execution speed,with greater performance gains as data size ***,our security evaluation confirms that this method provides robust protection against both passive and active attacks.

关键词： Cloud collaboration mode of operation data update efficiency

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High mobility group box 1 in the central nervous system:regeneration hidden beneath inflammation

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Neural Regeneration Research 2025年第1期20卷 107-115页

作者： Hanki Kim Bum Jun Kim Seungyon Koh Hyo Jin cho Xuelian Jin Byung Gon Kim Jun young choi Department of Brain Science Ajou University School of MedicineSuwonSouth Korea Department of Biomedical Sciences Ajou University Graduate School of MedicineSuwonSouth Korea Department of Neurology Ajou University School of MedicineSuwonSouth Korea Department of Geriatrics The Affiliated Suqian First People’s Hospital of Nanjing Medical UniversitySuqianJiangsu ProvinceChina

High-mobility group box 1 was first discovered in the calf thymus as a DNA-binding nuclear protein and has been widely studied in diverse fields,including neurology and ***-mobility group box 1 in the extracellular space functions as a pro-inflammatory damage-associated molecular pattern,which has been proven to play an important role in a wide variety of central nervous system disorders such as ischemic stroke,Alzheimer’s disease,frontotemporal dementia,Parkinson’s disease,multiple sclerosis,epilepsy,and traumatic brain *** drugs that inhibit high-mobility group box 1 as a damage-associated molecular pattern,such as glycyrrhizin,ethyl pyruvate,and neutralizing anti-high-mobility group box 1 antibodies,are commonly used to target high-mobility group box 1 activity in central nervous system *** it is commonly known for its detrimental inflammatory effect,high-mobility group box 1 has also been shown to have beneficial pro-regenerative roles in central nervous system *** this narrative review,we provide a brief summary of the history of high-mobility group box 1 research and its characterization as a damage-associated molecular pattern,its downstream receptors,and intracellular signaling pathways,how high-mobility group box 1 exerts the repair-favoring roles in general and in the central nervous system,and clues on how to differentiate the pro-regenerative from the pro-inflammatory *** targeting high-mobility group box 1 in the central nervous system may benefit from differentiating between the two functions rather than overall suppression of high-mobility group box 1.

关键词： central nervous system damage-associated molecular pattern ethyl pyruvate glycyrhizzin high mobility group box 1 inflammation neural stem cells neurodevelopment oligodendrocyte progenitor cells redox status regeneration

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Three-Stage Transfer Learning with AlexNet50 for MRI Image Multi-Class Classification with Optimal Learning Rate

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 155-183页

作者： Suganya Athisayamani A.Robert Singh Gyanendra Prasad Joshi Woong cho School of Computing Sastra Deemed to be UniversityThanjavur613401India Department of Computational Intelligence SRM Institute of Science and TechnologyKattankulathur603203India Department of AI and Software Engineering Kangwon National UniversitySamcheok25913Republic of Korea Department of Electronics Information and Communication EngineeringKangwon National UniversitySamcheok25913Republic of Korea

In radiology,magnetic resonance imaging(MRI)is an essential diagnostic tool that provides detailed images of a patient’s anatomical and physiological *** is particularly effective for detecting soft tissue ***,radiologists manually interpret these images,which can be labor-intensive and time-consuming due to the vast amount of *** address this challenge,machine learning,and deep learning approaches can be utilized to improve the accuracy and efficiency of anomaly detection in MRI *** manuscript presents the use of the Deep AlexNet50 model for MRI classification with discriminative learning *** are three stages for learning;in the first stage,the whole dataset is used to learn the *** the second stage,some layers of AlexNet50 are frozen with an augmented dataset,and in the third stage,AlexNet50 with an augmented dataset with the augmented *** method used three publicly available MRI classification datasets:Harvard whole brain atlas(HWBA-dataset),the School of Biomedical Engineering of Southern Medical University(SMU-dataset),and The National Institute of Neuroscience and Hospitals brain MRI dataset(NINS-dataset)for *** hyperparameter optimizers like Adam,stochastic gradient descent(SGD),Root mean square propagation(RMS prop),Adamax,and AdamW have been used to compare the performance of the learning ***-dataset registers maximum classification *** evaluated the performance of the proposed classification model using several quantitative metrics,achieving an average accuracy of 98%.

关键词： MRI tumors classification AlexNet50 transfer learning hyperparameter tuning optimizer

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Pharmacokinetic comparison with different assays for simultaneous determination of cis-,trans-cefprozil diastereomers in human plasma

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Journal of Pharmaceutical Analysis 2021年第3期11卷 351-363页

作者： Seung-Hyun Jeong Ji-hun Jang Hea-young cho Yong-Bok Lee College of Pharmacy Chonnam National University77 Yongbong-roBuk-guGwangju61186Republic of Korea College of Pharmacy CHA University335 Pangyo-roBundang-guSeongnam-siGyeonggi-Do13488Republic of Korea

The purpose of this study was to compare pharmacokinetic(PK)parameters obtained using two newly developed assays,HPLC-UV and UPLC-ESI-MS/*** of assay and results obtained therefrom are very important in PK studies and can have a major impact on the PK-based clinical dose and usage *** this study,we developed two new methods that are most commonly used in biosample analysis and focused on PK parameters obtained from *** HPLC-UV equipped with a Luna-C8 column using UV detector,cefprozil diastereomers were separated using water containing 2%(V/V)acetic acid and acetonitrile as a mobile *** UPLC-ESI-MS/MS equipped with a HALO-C18 column,cefprozil diastereomers were separated using 0.5%(V/V)aqueous formic acid containing 5 mM ammoniumformate buffer and methanol as a mobile *** showed high resolution,sensitivity,and selectivity without interference by plasma *** intra-and inter-day precisions(CV,%)were within 8.88%for HPLC-UV and UPLC-ESI-MS/*** of both methods was 95.67%-107.50%.These two analytical methods satisfied the criteria of international guidance and could be successfully applied to PK *** of PK parameters between two assays confirmed that there is a difference in the predicted minimum plasma concentrations at steady state,which may affect clinical dose and usage ***,we confirmed possible correlation between PK parameters and various biochemical parameters after oral administration of 1000 mg cefprozil to humans.

关键词： Cefprozil diastereomers Comparison HPLC-UV UPLC-ESI-MS/MS Pharmacokinetic parameter Biochemical parameters

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Scalable Ir-Doped NiFe₂O₄/TiO₂ Heterojunction Anode for Decentralized Saline Wastewater Treatment and H₂ Production

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NANO-MICRO LETTERS 2025年第1期17卷 1-18页

作者： Hong, Sukhwa Kim, Jiseon Park, Jaebeom Im, Sunmi Hoffmann, Michael R. cho, Kangwoo Pohang Univ Sci & Technol POSTECH Div Environm Sci & Engn Pohang 790784 South Korea CALTECH Linde Labs Pasadena CA 91125 USA Yonsei Univ Int Campus Inst Convergence Res & Educ Adv Technol I CREATE Incheon 21983 South Korea

Wastewater electrolysis cells (WECs) for decentralized wastewater treatment/reuse coupled with H-2 production can reduce the carbon footprint associated with transportation of water, waste, and energy carrier. This study reports Ir-doped NiFe2O4 (NFI, similar to 5 at% Ir) spinel layer with TiO2 overlayer (NFI/TiO2), as a scalable heterojunction anode for direct electrolysis of wastewater with circumneutral pH in a single-compartment cell. In dilute (0.1 M) NaCl solutions, the NFI/TiO2 marks superior activity and selectivity for chlorine evolution reaction, outperforming the benchmark IrO2. Robust operation in near-neutral pH was confirmed. Electroanalyses including operando X-ray absorption spectroscopy unveiled crucial roles of TiO2 which serves both as the primary site for Cl- chemisorption and a protective layer for NFI as an ohmic contact. Galvanostatic electrolysis of NH4+-laden synthetic wastewater demonstrated that NFI/TiO2 not only achieves quasi-stoichiometric NH4+-to-N-2 conversion, but also enhances H-2 generation efficiency with minimal competing reactions such as reduction of dissolved oxygen and reactive chlorine. The scaled-up WEC with NFI/TiO2 was demonstrated for electrolysis of toilet wastewater.

关键词： Wastewater electrolysis cell Ir-doped NiFe2O4 Reactive chlorine species Decentralized H-2 production On-site wastewater treatment

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Angelica tenuissima Nakai Ameliorates Cognitive Impairment and Promotes Neurogenesis in Mouse Model of Alzheimer's Disease

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Chinese Journal of Integrative Medicine 2018年第5期24卷 378-384页

作者： Minji choi younghyurk Lee Seung-hun cho Department of Psychiatry Hospital of Korean Medicine Kyung Hee University Medical Center

Objective: To research Angelica tenuissima Nakai(ATN) for use in novel Alzheimer’s disease(AD) therapeutics. Methods: The effect of a 30% ethanol extract of ATN(KH032) on AD-like cognitive impairment and neuropathological and neuroinflammatory changes induced by bilateral intracerebroventricular injections of β-amyloid(Aβ) peptide(Aβ1-42) was investigated. Male C57 Bl/6 mice were randomly divided into 4 groups, 10 in each group. KH032-treated groups were administrated with a low or high dose of KH032(50 and 200 mg/kg, respectively), intragastrically for 16 days; distilled water was applied in the sham and negative groups. Open field test, Y maze and Morris water maze test were used for behavior test and cognitive ability. In addition, the neuroprotective effects of KH032 in Aβ1-42-infused mice on the histopathological markers [neuronspecific nuclear protein(Neu N), Aβ1-42] of neurodegeneration were examined. The levels of glial fibrillary acidic protein(GFAP), Neu N, phosphorylation extracellular signal-regulated kinase(ERK)/ERK, brain-derived neurotrophic factor(BDNF), phosphorylation c AMP response element-binding(CREB)/CREB protein expression were measured by Western blot. Results: KH032 treatment ameliorated cognitive impairments, reduced the overexpression of Aβ1-42, and inhibited neuronal loss and neuroinflammatory response in the Aβ1-42-infused mice. Moreover, KH032 treatment enhanced BDNF expression levels in the hippocampus. Finally, KH032 treatment increased phosphorylation of ERK1/2 and CREB, vital for ERK-CREB signaling. Conclusions: KH032 attenuated cognitive deficits in the Aβ1-42-infused mice by increasing BDNF expression and ERK1/2 and CREB phosphorylation and inhibiting neuronal loss and neuroinflammatory response, suggesting that KH032 has therapeutic potential in neurodegenerative disorders such as AD.

关键词： Alzheimer's disease Angelica tenuissima Nakai beta amyloid cognitive impairment neurogenesis

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Simultaneous determination of fourteen components of Gumiganghwal-tang tablet in human plasma by UPLC-ESI-MS/MS and its application to pharmacokinetic study

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Journal of Pharmaceutical Analysis 2021年第4期11卷 444-457页

作者： Seung-Hyun Jeong Ji-hun Jang Guk-Yeo Lee Seung-Jung Yang Hea-young cho Yong-Bok Lee College of Pharmacy Chonnam National University77 Yongbong-roBuk-guGwangju61186Republic of Korea National Development Institute of Korean Medicine 288 Udeuraendeu-gilAnyang-myeonJangheung-gunJeollanam-do59338Republic of Korea Department of Oriental Rehabilitation Medicine Dongshin University Gwangju Korean Medicine Hospital141 Wolsan-roNam-guGwangju61619Republic of Korea College of Pharmacy CHA University335 Pangyo-roBundang-guSeongnam-siGyeonggi-do13488Republic of Korea

Gumiganghwal-tang is a traditional herbal medicine widely used for its anti-inflammatory,analgesic,and antipyretic ***,the safety and efficacy of its active ingredients based on an in vivo pharmacokinetic(PK)study have yet been *** have established a sensitive and accurate UPLC-ESI-MS/MS method and conducted a PK study on 14 constituents of Gumiganghwal-tang through human plasma *** conditions were optimized according to the physicochemical properties of the 14 compounds to facilitate efficient separation and eliminate overlap or interference between ***-C18 and Inertsil-C8 columns were used as UPLC stationary phases,and acetonitrile and aqueous formic acid were used as mobile *** the analytes were quantified with a triple quadrupole mass spectrometer using electrospray ionization in multiple reaction monitoring *** chromatograms of 14 bioactive compounds showed excellent elution and sensitivity,and each peak was selectively separated and quantified without interference with each other or *** established analytical method was based on international guidelines and was successfully used to perform PK studies of 14 herbal ingredients in humans after oral administration with Gumiganghwal-tang *** oral absorption of most active components of Gumiganghwal-tang was relatively rapid and remained considerably long in the body to be quantified in plasma up to 48 h after administration.

关键词： Gumiganghwal-tang Fourteen bioactive ingredients Simultaneous analysis UPLC-ESI-MS/MS Pharmacokinetics Clinical study

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Dragging 3D printing technique controls pore sizes of tissue engineered blood vessels to induce spontaneous cellular assembly

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Bioactive Materials 2024年第1期31卷 590-602页

作者： hun-Jin Jeong Hyoryung Nam Jae-Seok Kim Sungkeon cho Hyun-Ha Park young-Sam cho Hyungkook Jeon Jinah Jang Seung-Jae Lee Department of Mechanical Engineering Wonkwang University54538IksanRepublic of Korea Department of Convergence IT Engineering Pohang University of Science and Technology37673PohangGyeongbukRepublic of Korea Department of Mechanical and Design Engineering Wonkwang University54538IksanRepublic of Korea Department of Mechanical Engineering Pohang University of Science and Technology37673PohangGyeongbukRepublic of Korea School of Interdisciplinary Bioscience and Bioengineering Pohang University of Science and Technology37673PohangGyeongbukRepublic of Korea Institute of Convergence Science Yonsei University03722SeoulRepublic of Korea Regenerative Engineering Laboratory Columbia University630W 168th STNew York10032USA Department of Manufacturing Systems and Design Engineering Seoul National University of Science and Technology01811SeoulRepublic of Korea

To date,several off-the-shelf products such as artificial blood vessel grafts have been reported and clinically tested for small diameter vessel(SDV)***,conventional artificial blood vessel grafts lack endothelium and,thus,are not ideal for SDV transplantation as they can cause *** addition,a suc-cessful artificial blood vessel graft for SDV must have sufficient mechanical properties to withstand various external ***,we developed a spontaneous cellular assembly SDV(S-SDV)that develops without additional *** improving the dragging 3D printing technique,SDV constructs with free-form,multilayers and controllable pore size can be fabricated at ***,The S-SDV filled in the natural poly-mer bioink containing human umbilical vein endothelial cells(HUVECs)and human aorta smooth muscle cells(HAoSMCs).The endothelium can be induced by migration and self-assembly of endothelial cells through pores of the SDV *** antiplatelet adhesion of the formed endothelium on the luminal surface was also *** addition,this S-SDV had sufficient mechanical properties(burst pressure,suture retention,leakage test)for *** believe that the S-SDV could address the challenges of conventional SDVs:notably,endothelial formation and mechanical *** particular,the S-SDV can be designed simply as a free-form structure with a desired pore *** endothelial formation through the pore is easy even in free-form con-structs,it is expected to be useful for endothelial formation in vascular structures with branch or curve shapes,and in other tubular tissues such as the esophagus.

关键词： Small diameter vessel Dragging 3D printing Pore control Spontaneous cellular assembly

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Newly-modeled graphene-based ternary nanocomposite for the magnetophotocatalytic reduction of CO_(2) with electrochemical performance

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Frontiers of Chemical Science and Engineering 2022年第10期16卷 1438-1459页

作者： Zambaga Otgonbayar Kwang Youn cho chong-hun Jung Won-Chun Oh Department of Advanced Materials Science&Engineering Hanseo UniversitySeosan-Si 31962Korea Korea Institutes of Ceramic Engineering and Technology Jinju-Si 660031Korea Decommissioning Technology Research Division Korea Atomic Energy Research InstituteDaejeon 305-600Korea Anhui International Joint Research Center for Nano Carbon-based Materials and Environmental Health College of Materials Science and EngineeringAnhui University of Science&TechnologyHuainan 232001China

The development of CO_(2)into hydrocarbon fuels has emerged as a green method that could help mitigate global *** novel structured photocatalyst is a promising material for use in a photocatalytic and magneto-electrochemical method that fosters the reduction of CO_(2)by suppressing the recombination of electron−hole pairs and effectively transferring the electrons to the surface for the chemical reaction of CO_(2)*** our study,we have developed a novel-structured AgCuZnS_(2)–graphene–TiO_(2)to analyze its catalytic activity toward the selective evolution of CO_(2).The selectivity of each nanocomposite substantially enhanced the activity of the AgCuZnS_(2)–graphene–TiO_(2)ternary nanocomposite due to the successful interaction,and the selectivity of the final product was improved to a value 3 times higher than that of the pure AgCuZnS_(2)and 2 times higher than those of AgCuZnS_(2)–graphene and AgCuZnS_(2)–TiO_(2)under ultraviolet(UV)-light(λ=254 nm)irradiation in the photocatalytic *** electrochemical CO_(2)reduction test was also conducted to analyze the efficacy of the AgCuZnS_(2)–graphene–TiO_(2)when used as a working electrode in laboratory electrochemical *** electrochemical process was conducted under different experimental conditions,such as various scan rates(mV·s^(–1)),under UV-light and with a 0.07 T *** evolution of CO_(2)substantially improved under UV-light(λ=254 nm)and with 0.07 T magnetic-core treatment;these improvements were attributed to the facts that the UV-light activated the electron-transfer pathway and the magnetic core controlled the pathway of electrontransmission/prevention to protect it from chaotic electron *** all tested nanocomposites,AgCuZnS_(2)–graphene–TiO_(2)absorbed the CO_(2)most strongly and showed the best ability to transfer the electron to reduce the CO_(2)to *** believe that our newly-modeled ternary nanocomposite opens up new opportunities for the evolution of C

关键词： ternary nanocomposite photocatalytic electrochemical CO_(2) reduction UV-light magnetic core

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