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Highly Elastic,Bioresorbable Polymeric Materials for Stretchable,Transient Electronic Systems

Nano-Micro Letters 2024年第6期16卷 1-13页

作者： Jeong‑Woong Shin Dong‑Je Kim Tae‑min jang Won Bae Han Joong Hoon Lee Gwan‑Jin Ko Seung min Yang Kaveti Rajaram Sungkeun Han Heeseok Kang Jun Hyeon Lim Chan‑Hwi Eom Amay J.Bandodkar Hanul min Suk‑Won Hwang KU‑KIST Graduate School of Converging Science and Technology Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea SK Hynix 2091Gyeongchung‑daeroBubal‑eupIcheon‑siGyeonggi‑do 17336Republic of Korea Hanwha Systems Co. Ltd.188Pangyoyeok‑roBundang‑guSeongnam‑siGyeonggi‑do 13524Republic of Korea Department of Electrical and Computer Engineering North Carolina State UniversityRaleighNC 27606USA Center for Advanced Self‑Powered Systems of Integrated Sensors and Technologies(ASSIST) North Carolina State UniversityRaleighNC 27606USA Department of Integrative Energy Engineering Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea Biomaterials Research Center Korea Institute of Science and Technology(KIST)5 Hwarang‑ro 14‑gilSeongbuk‑guSeoul 02792Republic of Korea Semiconductor R&D Center Samsung Electronics Co.Ltd.Hwaseong‑siGyeonggi‑do 18448Republic of Korea Center for Advanced Biomolecular Recognition Biomedical Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea

Substrates or encapsulants in soft and stretchable formats are key components for transient,bioresorbable electronic systems;however,elastomeric polymers with desired mechanical and biochemical properties are very limited compared to nontransient ***,we introduce a bioresorbable elastomer,poly(glycolide-co-ε-caprolactone)(PGCL),that contains excellent material properties including high elongation-at-break(<1300%),resilience and toughness,and tunable dissolution *** of PGCLs as polymer matrices,in combination with conducing polymers,yields stretchable,conductive composites for degradable interconnects,sensors,and actuators,which can reliably function under external *** of device components with wireless modules demonstrates elastic,transient electronic suture system with on-demand drug delivery for rapid recovery of postsurgical wounds in soft,time-dynamic tissues.

关键词： Biodegradable elastomer Conductive polymer composites Biomedical device Transient electronics

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Publisher Correction to:Highly Elastic,Bioresorbable Polymeric Materials for Stretchable,Transient Electronic Systems

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Nano-Micro Letters 2024年第8期16卷 417-417页

作者： Jeong‑Woong Shin Dong‑Je Kim Tae‑min jang Won Bae Han Joong Hoon Lee Gwan‑Jin Ko Seung min Yang Kaveti Rajaram Sungkeun Han Heeseok Kang Jun Hyeon Lim Chan‑Hwi Eom Amay JBandodkar Hanul min Suk‑Won Hwang KU‑KIST Graduate School of Converging Science and Technology Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea SK Hynix 2091Gyeongchung‑daeroBubal‑eupIcheon‑siGyeonggi‑do 17336Republic of Korea Hanwha Systems Co. Ltd.188Pangyoyeok‑roBundang‑guSeongnam‑siGyeonggi‑do 13524Republic of Korea Department of Electrical and Computer Engineering North Carolina State UniversityRaleighNC 27606USA Center for Advanced Self‑Powered Systems of Integrated Sensors and Technologies(ASSIST) North Carolina State UniversityRaleighNC 27606USA Department of Integrative Energy Engineering Korea University145 Anam‑roSeongbuk‑guSeoul 02841Republic of Korea Biomaterials Research Center Korea Institute of Science and Technology(KIST)5 Hwarang‑ro 14‑gilSeongbuk‑guSeoul 02792Republic of Korea Semiconductor R&D Center Samsung Electronics Co.Ltd.Hwaseong‑siGyeonggi‑do 18448Republic of Korea Center for Advanced Biomolecular Recognition Biomedical Research DivisionKorea Institute of Science and Technology(KIST)Seoul 02792Republic of Korea

Due to typesetting mistake,Hanul min was missed to be denoted as a corresponding author in the *** type-setter apologizes for *** original article has been *** Access This article is licensed under a Creative Commons Attribution 4.0 International License,which permits use,sharing,adaptation,distribution and reproduction in any medium or format,as long as you give appropriate credit to the original author(s)and the source,provide a link to the Creative Commons licence,and indicate if changes were *** images or other third party material in this article are included in the article’s Creative Commons licence,unless indicated otherwise in a credit line to the *** material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use,you will need to obtain permission directly from the copyright holder.

关键词： Creative Elastic Highly

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Accurate Approximation of the Earth Mover's Distance in Linear Time

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Journal of Computer Science & Technology 2014年第1期29卷 142-154页

作者： min-Hee jang Sang-Wook Kim Christos Faloutsos Sunju Park Computer Science Department Carnegie Mellon University ACM IEEE Department of Electronics and Computer Engineering Hanyang University School of Business Yonsei University

Color descriptors are one of the important features used in content-based in, age retrieval. The dominant color descriptor （DCD） represents a few perceptually dominant colors in an image through color quantization. For image retrieval based on DCD, the earth mover＇s distance （EMD） and the optimal color composition distance were proposed to measure the dissimilarity between two images. Although providing good retrieval results, both methods are too time-consuming to be used in a large image database. To solve the problem, we propose a new distance function that calculates an approximate earth mover＇s distance in linear time. To calculate the dissimilarity in linear time, the proposed approach employs the space-filling curve for multidimensional color space. To improve the accuracy, the proposed approach uses multiple curves and adjusts the color positions. As a result, our approach achieves order-of-magnitude time improvement but incurs small errors. We have performed extensive experiments to show the effectiveness and efficiency of the proposed approach. The results reveal that our approach achieves almost the same results with the EMD in linear time.

关键词： earth mover's distance approximation content-based image retrieval

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Development of micro milling force model and cutting parameter optimization

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中国有色金属学会会刊：英文版 2012年第S3期22卷 851-858页

作者： Shih-ming WANG Da-fun CHEN min-chang jang Shambaljamts TSOOJ Department of Mechanical Engineering Chung Yuan Christian University

Taking the minimum chip thickness effect,cutter deflection,and spindle run-out into account,a micro milling force model and a method to determine the optimal micro milling parameters were *** micro milling force model was derived as a function of the cutting coefficients and the instantaneous projected cutting area that was determined based on the machining parameters and the rotation trajectory of the cutter *** an allowable micro cutter deflection is defined,the maximum allowable cutting force can be *** optimal machining parameters can then be computed based on the cutting force model for better machining efficiency and *** verify the proposed cutting force model and the method to determine the optimal cutting parameters,micro-milling experiments were conducted,and the results show the feasibility and effectiveness of the model and method.

关键词： micro-milling cutting force spindle run out cutter deflection optimal parameter

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Discussion on “Analysis of Bingham fluid radial flow in smooth fractures”[J Rock Mech Geotech Eng 12(2020) 1112e1118]

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Journal of Rock Mechanics and Geotechnical Engineering 2021年第4期13卷 937-944页

作者： Van Thanh Hoang Wankun Liu jang min Park School of Mechanical Engineering Yeungnam UniversityDaehak-ro 280Gyeongsan38541Republic of Korea Department of Mechanical Engineering The University of Danang-University of Science and TechnologyNguyen Luong Bang Street 54DanangViet Nam

Recently,Zou et al.(2020 a)published a theoretical analysis on the radial flow of a Bingham fluid,where they argued that the classical analysis by Dai and Bird(1981)violates the mass *** present discussion aims to clarify this conflict between those two *** is noted that Zou et al.(2020 a)presumed the gap-wise mass flux is negligible in the mass conservation equation,while Dai and Bird(1981)did not require so in their model,and this is found to be the origin of the *** fact,Dai and Bird(1981)’s model is shown to not violate the mass ***,those two models should be viewed as separate models derived from different *** of the major difference between the two models are discussed.

关键词： Rock grouting Radial flow Bingham fluid Analytical solution

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SMARCA4-deficient undifferentiated thoracic tumor:A case report

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World Journal of Clinical Cases 2023年第11期11卷 2521-2527页

作者： Hee Jung Kwon min Hye jang Department of Pathology Yeungnam University Medical CenterDaegu 42415South Korea

BACKGROUND SMARCA4-deficient undifferentiated tumors(SMARCA4-DUTs)present with diverse clinical manifestations and progress to metastasis and even cause death within a few *** novel subset of undifferentiated tumors occurs in the middle-aged population and is strongly associated with a smoking ***-guishing it from other malignancies is *** SUMMARY A 62-year-old man presented with chest pain for 7 *** patient had no respiratory symptoms and normal pulmonary function test *** patient had been a smoker for 8 years and quit smoking 2 years *** computed tomography revealed a huge mass involving the left upper and lower lung lobes with pericardial invasion and multiple *** samples were obtained using open frozen biopsy,after several unsuccessful *** tumor was composed of sheets of undifferentiated disclosive cells with vesicular nuclei and prominent *** differential diagnosis included high-grade lymphoma,germ cell tumor,NUT carcinoma,undifferentiated carcinoma,and *** tumor cells were large,arranged in sheets,and did not exhibit glandular or squamous *** foci of necrosis were *** was no evidence of epithelial differentiation on immunohistochemical *** SMARCA4 stain showed complete loss of expression of SMARCA4,which is *** In the present case,thoracic SMARCA4-DUT was diagnosed based on clinical features,absence of epithelial differentiation,and negative SMARCA4 expression.

关键词： SMARCA4 BRG1 Deficient Undifferentiated tumor Thoracic Case report

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Uncontrolled high blood pressure under total intravenous anesthesia with propofol and remifentanil:A case report

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World Journal of Clinical Cases 2022年第26期10卷 9411-9416页

作者： min Jung jang Jee Hee Kim Hae Jeong Jeong Anesthesiology and Pain Medicine National Cancer CenterGoyang 10408South Korea

BACKGROUND Although propofol generally reduces blood pressure,rarely,it causes ***,the mechanism by which propofol increases blood pressure has not been established,and so far,there are only a few reported *** SUMMARY A 46-year-old woman,diagnosed with thyroid cancer,was administered general anesthesia with propofol and remifentanil for a thyroid *** increase in the concentrations of intravenous anesthetics further increased her blood *** blood pressure remained stable when anesthesia was maintained with sevoflurane and remifentanil after the interruption of propofol *** We concluded that propofol administration was the cause of increased blood pressure.

关键词： Anesthesia Intravenous Hypertension Propofol Remifentanil Tachycardia Case report

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Hidradenocarcinoma of the Dorsum of the Hand

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Chinese Medical Journal 2017年第14期130卷 1755-1756页

作者： Wan Cheol Ryu Yong Hae Lee In Chang Koh jang Sihn Sohn Se min jang Department of Plastic and Reconstructive Surgery Konyang University Hospital Konyang University College of Medicine Daejeon Korea Department of Pathology Konyang University Hospital Konyang University College of Medicine Daejeon Korea

Hidradenocarcinoma originates in the eccrine glands located in sun-exposed areas and accounts for approximately 6% of malignant eccrine tumors and 〈0.001% of all skin cancers.[1,2] Hidradenocarcinoma usually presents as a solitary,firm,asymptomatic intradermal nodule measuring 1-5 cm,covered by intact or occasionally ulcerated purple-,pink-,or blue-colored lesions.[1] While hidradenocarcinoma typically grows slowly over many years,it may suddenly undergo a rapid increase in *** differential diagnosis of hidradenocarcinoma is very challenging because the appearance of the lesion is benign and similar to that of other skin *** this report,we present the case of a patient with hidradenocarcinoma who was treated with wide excision and full-thickness skin grafting.

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Clinicopathologic significance of GLUT1 expression and its correlation with Apaf-1 in colorectal adenocarcinomas

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World Journal of Gastroenterology 2011年第14期17卷 1866-1873页

作者： Young Jin Jun Se min jang Hu lin Han Ki-Seok jang Seung Sam Paik Kang Hong Lee Department of Pathology College of Medicine Hanyang University Seoul 133-792 South Korea Department of Surgery College of Medicine Hanyang University Seoul 133-792 South Korea

AIM:To investigate the role of glucose transporter 1 (GLUT1) expression in colorectal carcinogenesis and evaluate the correlation with clinicopathological parameters and apoptosis-activating factor-1 (Apaf-1) expression in colorectal adenocarcinomas. METHODS:We used tissue microarrays consisting of 26 normal mucosa,50 adenomas,515 adenocarcinomas,and 127 metastatic lesions. Medical records were reviewed and clinicopathological analysis was performed. RESULTS:GLUT1 expression was absent in normal mucosa and low or moderately apparent in 19 cases (38.0%) of 50 adenomas. However,GLUT1 expression was detected in 423 (82.1%) of 515 adenocarcinomas and in 96 (75.6%) of 127 metastatic lesions. GLUT1 expression was significantly correlated with female gender (P = 0.009),non-mucinous tumor type (P = 0.045),poorer differentiation (P = 0.001),lymph node metastasis (P < 0.001),higher AJCC and Dukes stage (P < 0.001 and P < 0.001,respectively). There was a significant inverse correlation between GLUT1 expression and Apaf-1 expression (P = 0.001). In univariate survival analysis,patients with GLUT1 expression demonstrated poor overall survival and disease-free survival (P = 0.047 and P = 0.021,respectively,log-rank test). CONCLUSION:GLUT1 expression was frequently increased in adenocarcinomas and metastatic lesions. GLUT1 expression was significantly correlated with poorer clinicopathologic phenotypes and survival of patients with colorectal adenocarcinomas.

关键词： Adenocarcinoma Colorectum Glucose transporter 1 Apoptosis-activating factor-1 Prognosis Survival

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Review of MXenes as new nanomaterials for energy storage/delivery and selected environmental applications

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Nano Research 2019年第3期12卷 471-487页

作者： Byung-Moon Jun Sewoon Kim Jiyong Heo Chang min Park Namguk Her min jang Yi Huang Jonghun Han Yeomin Yoon Department of Civil and Environmental Engineering University of South Carolina Columbia 300 Main Street SC 29208 USA Department of Civil and Environmerttal Engineering Korea Army Academy at Young-Cheon 495 Hogook-ro Kokyungmeon Young-Cheon Gyeongbuk 38900 Republic of Korea Department of Environmental Engineering Kyungpook National University 80 Daehak-ro Buk-gu Daegu 41566 Republic of Korea Department of Environmental Engineering Kwangwoon University 447-1 Wolgye-Dong Nowon-Gu Seoul 01897 Republic of Korea School of Engineering Institute for Materials & Processes (IMP) The University of Edinburgh Colin Maclaurin Road Edinburgh EH9 3DW Scotland UK

Energy and environmental issues presently attract a great deal of scientific attention. Recently, two-dimensional MXenes and MXene-based nanomaterials have attracted increasing interest because of their unique properties (e.g., remarkable safety, a very large interlayer spacing, environmental flexibility, a large surface area, and thermal conductivity). In 2011, multilayered MXenes (Ti3C2Tx, a new family of two-dimensional (2D) materials) produced by etching an A layer from a MAX phase of Ti3AlC2, were first described by researchers at Drexel University. The term “MXene” was coined to distinguish this new family of 2D materials from graphene, and applies to both the original MAX phases and MXenes fabricated from them. We present a comprehensive review of recent studies on energy and environmental applications of MXene and MXene-based nanomaterials, including energy conversion and storage, adsorption, membrane, photocatalysis, and antimicrobial. Future research needs are discussed briefly with current challenges that must be overcome before we completely understand the extraordinary properties of MXene and MXene-based nanomaterials.

关键词： MXenes MXene-based nanomaterials energy storage environment applications

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