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| 1 | Alopecia treatment using minimally manipulated human umbilical cord-derived mesenchymal stem cells:Three case reports and review of literature显示文摘BACKGROUND Alopecia areata(AA)is a common autoimmune disease characterized by hair loss.AA appears in extensive forms,such as progressive and diffusing hair loss(diffuse AA),a total loss of scalp hair(alopecia totalis),and complete loss of hair over the entire body(alopecia universalis).Recently,mesenchymal stem cells(MSCs)have been identified as a therapeutic alternative for autoimmune diseases.For this reason,preclinical and case studies of AA and related diseases using MSCs have been conducted.CASE SUMMARY Case 1:A 55-year-old woman suffered from AA in two areas of the scalp.She was given 15 rounds of minimally manipulated umbilical cord-MSCs(MM-UC-MSCs)over 6 mo.The AA gradually improved 3 mo after the first round.The patient was cured,and AA did not recur.Case 2:A 30-year-old woman,with history of local steroid hormone injections,suffered from AA in one area on the scalp.She was given two rounds of MM-UC-MSCs over 1 mo.The AA immediately improved after the first round.The patient was cured,and AA did not recur.Case 3:A 20-year-old woman,who was diagnosed with alopecia universalis at the age of 12,was given 14 rounds of MM-UC-MSCs over 12 mo.Her hair began to grow about 3 mo after the first round.The patient was cured,and alopecia universalis did not recur.CONCLUSION MM-UC-MSC transplantation potentially treats patients who suffer from AA and related diseases. | Hyunjun Ahn Sang Yeon Lee Won Ju Jung Kye-Ho Lee | 2021 | World Journal of Clinical Cases2021，9，15： | 4 |
| 2 | Psoriasis treatment using minimally manipulated umbilical cordderived mesenchymal stem cells:A case report显示文摘BACKGROUND Psoriasis is a chronic autoimmune disease that usually manifests as a red scaly epidermis,induration,and hyperproliferation of basal keratinocytes.About 2%of the world’s population suffers from psoriasis but there are no clear therapeutics yet.Recently,mesenchymal stem cells(MSCs)have been regarded as a therapeutic alternative for autoimmune diseases,as they possess immunosuppressive effects without risks.Human umbilical cord-derived MSCs effectively regulate immune cells and are characterized by low immunogenicity,which has many advantages in treating immune diseases.CASE SUMMARY The patient was a 47-year-old male,diagnosed with psoriasis in 1995.He had received various treatments for 25 years,but the psoriatic condition was not significantly improved.He was given three rounds of minimally manipulated umbilical cord-derived MSCs over 2 wk.The erythema gradually disappeared.Three months after the 1st round,all erythema completely disappeared,and the psoriasis did not recur.CONCLUSION Minimally manipulated umbilical cord-derived MSC transplantation can potentially treat patients who suffer from psoriasis. | Hyunjun Ahn Sang Yeon Lee Won-Ju Jung Jia Pi Kye-Ho Lee | 2021 | World Journal of Clinical Cases2021，9，23： | 2 |
| 3 | One pneumatic line based inchworm-like micro robot for half-inch pipe inspection显示文摘 | Lim Jinwan Park Hyunjun An Jaemin | 2008 | Mechatronics2008，18，7： | 1 |
| 4 | Treatment of acute ischemic stroke by minimally manipulated umbilical cord-derived mesenchymal stem cells transplantation:A case report显示文摘BACKGROUND Stroke is one of the major causes of disability and death worldwide.Some treatments for stroke exist,but existing treatment methods have limitations such as difficulty in the regeneration of damaged neuronal cells of the brain.Recently,mesenchymal stem cells(MSCs)have been studied as a therapeutic alternative for stroke,and various preclinical and case studies have been reported.CASE SUMMARY A 55-year-old man suffered an acute stroke,causing paralysis in the left upper and lower limbs.He intravenously transplanted the minimally manipulated human umbilical cord-derived MSCs(MM-UC-MSCs)twice with an 8-d interval.At 65 wk after transplantation,the patient returned to his previous occupation as a veterinarian with no adverse reactions.CONCLUSION MM-UC-MSCs transplantation potentially treats patients who suffer from acute ischemic stroke. | Hyunjun Ahn Sang Yeon Lee Won Ju Jung Kye-Ho Lee | 2021 | World Journal of Stem Cells2021，13，8： | 1 |
| 5 | Optimal design of a CsI(T1) crystal in a SiPM based compact radiation sensor 显示文摘 | Hyunjun Yoo Segyeong Joo | 2015 | Radiation Measurements2015，82，： | 1 |
| 6 | Cylinder Air Charge Estimation for a Diesel Engine Equipped with VGT, EGR, and SCV显示文摘 | Yeongseop Park Hyunjun Lee Junsoo Kim | 2011 | SAE paper2011，，： | 1 |
| 7 | A field study of thermal comfort for kindergarten children in Korea An assess- ment of existing models and preferences of children显示文摘 | YUN Hyunjun NAM Insick | 2014 | Building and Environment2014，75，5： | 1 |
| 8 | Free-breathing dynamic contrast-enhanced MRI of the abdomen and chest using a radial gradient echo sequence with K-space weighted image contrast (KWIC)显示文摘 | Kyung Won Kim Jeong Min Lee Yong Sik Jeon Sung Eun Kang Jee Hyun Baek Joon Koo Han Byung Ihn Choi Yung-Jue Bang Berthold Kiefer Kai Tobias Block Hyunjun Ji Simon Bauer Chin Kim | 2013 | European Radiology2013，，： | 1 |
| 9 | Flexible and disposable paper-based gas sensor using reduced graphene oxide/chitosan composite显示文摘Nitrogen dioxide(NO_(2))is a representative toxicant in air pollution that mostly arises from the exhaust gas released by automobiles.It is related to various respiratory diseases such as pneumonia and sudden infant death syndrome.Additionally,because the toxicity of nitrogen dioxide is high in overpopulated areas(i.e.,a capital or metropolis),the development of simple,practical,and facile sensors is highly needed.This work presents a flexible and disposable paper-based NO_(2)sensor based on a reduced graphene oxide/chitosan(r GO/CS)composite.The synthesized r GO/CS composite can be easily flexed and deformed into various shapes,which are attributed to chitosan molecules that function as a dispersion and reduction agent and support material.In addition,this composite can be attached to paper owing to its adhesive property;hence it can be utilized in versatile applications in a disposable manner.By analyzing the conductive change of the r GO/CS composite when it reacts with NO_(2),we can detect nitrogen dioxide in a concentration range of 0–100 ppm with a detection limit of 1 ppm.Moreover,we performed NO_(2)detection in the exhaust gas released by automobiles using the r GO/CS composite for practical application.The results indicated that the r GO/CS composite has the potential to be used in feasible gas sensing as a facile and disposable sensor under various conditions. | Hyunjun Park Woong Kim Sang Won Lee Joohyung Park Gyudo Lee Dae Sung Yoon Wonseok Lee Jinsung Park | 2022 | Journal of Materials Science & Technology2022，，6： | 1 |
| 10 | Parathyroid hormone- responsive B1 gene is associated with premature ovarian failure 显示文摘 | HyunJun Kang Seung Ku Lee | 2008 | Hum Reprod2008，23，6： | 1 |
| 11 | One pneu- matic line based inchworm-like micro robot for half- inch pipe inspection显示文摘 | Jinwan Lim Hyunjun Park Jaemin An | 2008 | Mechatronics2008，18，： | 1 |
| 12 | 微塑料过滤器|MICROPLASTIC FILTER PIPE显示文摘人类对海洋环境的负面影响巨大且情况各异,最严重的影响是塑料废物的分解,导致微塑料污染。该产品有潜力在污水排入海中前对其进行过滤,从而减少问题。经过家庭第一道过滤和下水道的第二道过滤,可以完全防止微塑料的排放。该设计获得2020if设计新秀奖评委点评:该系统从源头解决微塑性污染问题。大量塑料从我们的家中直接进入大海,停止从源头排放微塑料远比试图从海洋中移除微塑料更为有效。 | Doowon Choi Hyunjun Oh Gwanguk Namgung | 2021 | 设计2021，34，6： | 0 |
| 13 | Recovery from Bell’s palsy after treatment using uncultured umbilical cord-derived mesenchymal stem cells:A case report显示文摘BACKGROUND Bell’s palsy is an idiopathic facial palsy with an unknown cause,and 75%of patients heal spontaneously.However,the other 25%of patients continue experiencing mild or severe disabilities,resulting in a reduced quality of life.Currently,various treatment methods have been developed to treat this disease.However,there is controversy regarding their effectiveness,and new alternative treatments are needed.CASE SUMMARY The patient suffered from left-sided facial paralysis due to Bell’s palsy for 7 years.The patient received an uncultured umbilical cord-derived mesenchymal stem cell transplant eight times for treatment.After follow-up for 32 mo,the paralysis was cured,and there was no recurrence.CONCLUSION Uncultured umbilical cord-derived mesenchymal stem cell transplantation may be a potential treatment for patients with Bell’s palsy who do not spontaneously recover. | Hyunjun Ahn Won-Ju Jung Sang Yeon Lee Kye-Ho Lee | 2023 | World Journal of Clinical Cases2023，11，12： | 0 |
| 14 | A novel combined multi-battery dataset based approach for enhanced prediction accuracy of data driven prognostic models in capacity estimation of lithium ion batteries显示文摘To ensure smooth and reliable operations of battery systems,reliable prognosis with accurate prediction of State of Health of lithium ion batteries is of utmost importance.However,battery degradation is a complex challenge involving many electrochemical reactions at anode,separator,cathode and electrolyte/electrode interfaces.Also,there is significant effect of the operating conditions on the battery degradation.Various machine learning tech-niques have been applied to estimate the capacity and State of Health of lithium ion batteries to ensure reliable operation and timely maintenance.In this paper,we study the Gaussian Process Regression(GPR)and Support Vector Machine(SVM)model-based approaches in estimating the capacity and State of Health of batteries.Bat-tery capacity and State of Health estimations are carried out using GPR and SVM models and the predictions comparatively studied for accuracy based on RMSE values.The prediction accuracy is further compared with re-spect to single sensor and multi sensor data.Further,a combined multi battery data set model is used to improve the prediction accuracy.Combining the data of multiple batteries with similar operating conditions for training a model resulted in higher prediction accuracy. | Vijay Mohan Nagulapati Hyunjun Lee DaWoon Jung SalaiSargunan S Paramanantham Boris Brigljevic Yunseok Choi Hankwon Lim | 2021 | Energy and AI2021，5，3： | 0 |
| 15 | Treatment of syringomyelia using uncultured umbilical cord mesenchymal stem cells: A case report and review of literature显示文摘BACKGROUND Syringomyelia is a disease caused by the formation of a cavity inside the spinal cord and is accompanied by such symptoms as pain,paresthesia,and urination and defecation disorders,and in severe cases causes various paralyses.Currently,there are only surgical methods for the treatment of syringomyelia,but these methods carry the possibility of failure,recurrence,and side effects.CASE SUMMARY The patient was a 59-year-old woman who suffered from pain due to syringomyelia.For treatment,the patient received transplant of uncultured umbilical cord-derived mesenchymal stem cells.As intended,the patient's pain was relieved after treatment.Interestingly,an additional benefit was found in that the size of the cavity also decreased.After 2 years from the last treatment,the patient's cavity had almost completely disappeared and her syringomyelia was deemed cured.CONCLUSION Using uncultured umbilical cord-derived mesenchymal stem cells may be a new treatment alternative for syringomyelia. | Hyunjun Ahn Sang Yeon Lee Won-Ju Jung Kye-Ho Lee | 2022 | World Journal of Stem Cells2022，14，4： | 0 |
| 16 | Compositional dependence of thermal and elastic properties of Cu-Ti-Zr-Ni bulk metallic glasses显示文摘Starting from the quaternary Cu47Ti34Zr11Ni8 alloy,the compositional dependence of thermal and elastic properties of Cu-Ti-Zr-Ni alloys was systematically investigated.Quaternary Cu-Ti-Zr-Ni alloys can be cast directly from the melt into copper molds to form fully amorphous strips or rods with the thickness of 3-6 mm.The evidence of the amorphous nature of the cast rods was provided by X-ray spectra.The measured glass transition temperature(Tg) and crystallization temperature(Tx) were obtained for the alloys using differential scanning calorimetry(DSC) at the heating rate of 20 K/s.In the results,the differences between the glass temperature and the crystallization temperature(ΔTx=Tx-Tg) are measured with values ranging up to 33-55 K.The reduced glass transition temperature(Trg),which is the ratio of the glass temperature to the liquidus temperature(Tl),is often used as an indication of the glass-forming ability of metallic alloys.For the present Cu-Ti-Zr-Ni alloys,this ratio is typically in the range of 0.5838-0.5959,characteristic of metallic alloys with good glass-forming ability.The elastic constants for several selected alloys were measured using ultrasonic methods.The values of the elastic shear modulus,bulk modulus,and Poisson's ratio were also given. | Jihye An Hyunjune Yim Choi-Yim Haein | 2010 | International Journal of Minerals,Metallurgy and Materials2010，17，3： | 0 |
| 17 | Evaluation of Nitrogen Loads from Anthropogenic and Natural Sources by an integrated Biogeochemical Modeling Frame显示文摘This study proposed an integrated biogeochemical modeling of nitrogen load from anthropogenic and natural sources in Japan.Firstly,the nitrogen load(NL) from different sources such as crop,livestock,industrial plant,urban and rural resident was calculated by using datasets of fertilizer utilization,population distribution, land use map,and social census.Then,the nitrate leaching from soil layers in farmland,grassland and natural conditions was calculated by using a | Taikan Oki Tomoko Nitta Hyunjun Kim Shinta Seto Shinjiro Kanae | 2009 | 地学前缘2009，16，S1： | 0 |
| 18 | 蓝牙音箱的直线之美显示文摘蓝牙音响可以分为用于室内播放音乐和户外娱乐两大类。该蓝牙音响可根据需要进行分离,内置绑带使其在移动时便于携带。还可以通过机身底部的USB接口对其他设备进行反向充电。造型上,采用了简单的直线外观,整体简洁、大方。 | Hyunjun Yu | 2022 | 工业设计2022，，7： | 0 |
| 19 | Prognostics and health management of alkaline water electrolyzer: Techno-economic analysis considering replacement moment显示文摘Recently,considerable attention has been paid to the installation of renewable energy capacity to mitigate global CO_(2) emissions.H_(2) produced using water electrolysis and renewable energy is regarded as a clean energy carrier,generating electricity without CO_(2) emissions,called‘Green H 2’.In this paper,a prognostics and health man-agement model for an alkaline water electrolyzer was proposed to predict the load voltage on the electrolyzer to obtain the state of health information.The prognostics and health management model was developed by training historical operating data via machine learning models,support vector machine and gaussian process regression,showing the root mean square error of 1.28×10^(−3) and 8.03×10^(−6).In addition,a techno-economic analysis was performed for a green H_(2) production system,composed of 1 MW of photovoltaic plant and 1 MW of alkaline water electrolyzer,to provide economic insights and feasibility of the system.A levelized cost of H_(2) of$6.89 kgH_(2)−1 was calculated and the potential to reach the levelized cost of H_(2) from steam methane reforming with carbon capture and storage was shown by considering the learning rate of the photovoltaic module and elec-trolyzer.Finally,the replacement of the alkaline water electrolyzer at around 10 years was preferred to increase the net present value from the green H_(2) production system when capital expenditure and replacement cost are low enough. | Hyunjun Lee Jiwon Gu Boreum Lee Hyun-Seok Cho Hankwon Lim | 2023 | Energy and AI2023，13，3： | 0 |
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