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Novel fabrication techniques for ultra-thin silicon based flexible electronics

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International Journal of Extreme Manufacturing 2024年第4期6卷 116-149页

作者： Ju Young lee Jeong eun Ju Chanwoo lee Sang min Won Ki Jun Yu School of Electrical and Electronic Engineering Yonsei University50 Yonsei-roSeodaemunguSeoul 03722Republic of Korea Department of Electrical and Computer Engineering Sungkyunkwan UniversitySuwon 16419Republic of Korea YU-Korea Institute of Science and Technology(KIST)Institute Yonsei University50Yonsei-roSeodaemun-guSeoul 03722Republic of Korea

Flexible electronics offer a multitude of advantages,such as flexibility,lightweight property,portability,and high *** unique properties allow for seamless applications to curved and soft surfaces,leading to extensive utilization across a wide range of fields in consumer *** applications,for example,span integrated circuits,solar cells,batteries,wearable devices,bio-implants,soft robotics,and biomimetic ***,flexible electronic devices have been developed using a variety of materials such as organic,carbon-based,and inorganic semiconducting ***(Si)owing to its mature fabrication process,excellent electrical,optical,thermal properties,and cost efficiency,remains a compelling material choice for flexible ***,the research on ultra-thin Si in the context of flexible electronics is studied rigorously *** thinning of Si is crucially important for flexible electronics as it reduces its bending stiffness and the resultant bending strain,thereby enhancing flexibility while preserving its exceptional *** review provides a comprehensive overview of the recent efforts in the fabrication techniques for forming ultra-thin Si using top-down and bottom-up approaches and explores their utilization in flexible electronics and their applications.

关键词： flexible electronics silicon fabrication technique top-down approach bottom-up approach

Long-term outcomes of very low birth weight infants with intraventricular hemorrhage:a nationwide population study from 2011 to 2019

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World Journal of Pediatrics 2024年第7期20卷 692-700页

作者： Joonsik Park Sook-Hyun Park Yu-ra Kwon So Jin Yoon Joo Hee Lim Jung Ho Han Jeong eun Shin Ho Seon eun min Soo Park Soon min lee Department of Pediatrics Yonsei University College of Medicine211 Eonjuro GangnamguSeoul 06273Republic of Korea

Background Advancements in neonatal care have increased preterm infant survival but paradoxically raised intraventricular hemorrhage(IVH)*** study explores IVH prevalence and long-term outcomes of very low birth weight(VLBW)infants in Korea over a *** Using Korean National Health Insurance data(NHIS,2010-2019),we identified 3372 VLBW infants with IVH among 4,129,808 live ***-related claims data,encompassing diagnostic codes,diagnostic test costs,and administered procedures were sourced from the NHIS *** results of the developmental assessments are categorized into four groups based on standard deviation(SD)*** characteristics and complications were compared among the *** regression models were employed to identify significant changes in the incidence of complications and to calculate odds ratios with corresponding 95%confidence intervals for each risk factor associated with mortality and morbidity in ***-term growth and development were compared between the two groups(years 2010-2013 and 2014-2017).Results IVH prevalence was 12%in VLBW and 16%in extremely low birth weight(ELBW)*** the past decade,IVH rates increased significantly in ELBW infants(P=0.0113),while mortality decreased(P=0.0225).Major improvements in certain neurodevelopmental outcomes and reductions in early morbidities have been observed among VLBW infants with *** percent of the population received surgical treatments such as external ventricular drainage(EVD)or a ventriculoperitoneal(VP)shunt,with the choice of treatment methods remaining consistent over *** IVH with surgical intervention group exhibited higher incidences of delayed development,cerebral palsy,seizure disorder,and growth failure(height,weight,and head circumference)up to 72 months of age(P<0.0001).Surgical treatments were also significantly associated with abnormal developmental screening test *** The neurodevelopmental outcomes of infa

关键词： Cerebral intraventricular hemorrhage Developmental Hydrocephalus Mortality Posthemorrhagic ventricular dilatation Surgery

Surface-phonon-polariton-enhanced photoinduced dipole force for nanoscale infrared imaging

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National Science Review 2024年第5期11卷 227-235页

作者： Jian Li Junghoon Jahng Xuezhi Ma Jing Liang Xue Zhang Qianhao min Xiao-Liang Wang Shuangjun Chen eun Seong lee Xing-Hua Xia State Key Lab of Analytical Chemistry for Life Science School of Chemistry and Chemical Engineering Nanjing University Hyperspectral Nano-Imaging Team Korea Research Institute of Standards and Science Institute of Materials Research and Engineering Agency for ScienceTechnology and Research College of Materials Science and Engineering Nanjing Tech University

The photoinduced dipole force(Pi DF) is an attractive force arising from the Coulombic interaction between the light-induced dipoles on the illuminated tip and the sample. It shows extreme sample-tip distance and refractive index dependence, which is promising for nanoscale infrared(IR) imaging of ultrathin samples. However, the existence of Pi DF in the mid-IR region has not been experimentally demonstrated due to the coexistence of photoinduced thermal force(Pi TF), typically one to two orders of magnitude higher than Pi DF. In this study, we demonstrate that, with the assistance of surface phonon polaritons, the Pi DF of c-quartz can be enhanced to surpass its Pi TF, enabling a clear observation of Pi DF spectra reflecting the properties of the real part of permittivity. Leveraging the detection of the Pi DF of phonon polaritonic substrate, we propose a strategy to enhance the sensitivity and contrast of photoinduced force responses in transmission images, facilitating the precise differentiation of the heterogeneous distribution of ultrathin samples.

关键词： surface phonon polariton photoinduced dipole force nanoscale infrared imaging ultrathin sample

Management of lymphedema is really a matter in patients with breast cancer

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World Journal of Clinical Cases 2024年第15期12卷 2482-2486页

作者： Jung eun Choi min Cheol Chang Department of Surgery College of MedicineYeungnam UniversityDaegu 705-717South Korea Department of Physical Medicine and Rehabilitation College of MedicineYeungnam UniversityDaegu 705-717South Korea

Lymphedema is a prevalent complication affecting patients with breast cancer,greatly impacting their quality of *** editorial describes diagnostic methods and therapeutic interventions for managing lymphedema in patients with breast *** relies on clinical evaluation and objective measures,including arm circumference and volumetric assessments,along with lymphoscintigraphy and ultrasonic *** primarily involves complex decongestive physical therapy,comprising manual lymphatic drainage,compression therapy,exercise,and meticulous skin *** interventions aim to reduce swelling,alleviate discomfort,and prevent further ***,lifestyle modifications such as avoiding extreme temperatures and maintaining proper hygiene are *** can be used for drug *** its prevalence,lymphedema often receives inadequate attention in clinical practice,emphasizing the importance of raising awareness and enhancing medical services for affected *** play a pivotal role in educating patients about preventive measures and ensuring timely ***,a comprehensive approach encompassing early diagnosis,multidisciplinary management,and patient education is essential to mitigate the burden of lymphedema in patients with breast cancer and improve their overall well-being.

关键词： Lymphedema Breast cancer Complex decongestive physical therapy Diagnosis Treatment

Tribological behavior of TiN,AlTiN,and AlTiCrN coatings in atmospheric and vacuum environments

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Friction 2024年第11期12卷 2611-2626页

作者： Youn-Hoo HWANG Kuk-Jin SEO Tae-Hyeong KIM You Jin min Yuzhen LIU Dae-eun KIM Department of Mechanical Engineering Yonsei UniversitySeoul 03722Republic of Korea Department of Mechatronics and Energy Engineering Ningbo Tech UniversityNingbo 315211China

In this study,the tribological characteristics of TiN,AlTiN,and AlTiCrN coatings sliding against a SUS420J1 stainless steel pin were investigated in atmospheric and vacuum *** coatings were deposited on SUS440C substrates using the arc-physical vapor deposition *** friction and wear behavior of the coatings were evaluated based on the systematic analyses of the friction coefficient data as well as the physical and chemical state of the wear *** results revealed that the friction coefficients of the SUS440C specimen and AlTiCrN coatings increased,whereas those of the TiN and AlTiN coatings decreased when the environment was changed from atmospheric to *** was confirmed that the formation of an oxide layer and adsorption of oxides on the surface were dominant factors that influenced the tribological behavior in the atmospheric *** the other hand,the compatibility,oxidation inhibition,and droplets of the surface mainly affected the frictional characteristics in the vacuum *** results of this work are expected to aid in the selection of proper coating materials for tribological systems operating in a vacuum.

关键词： friction wear coating vacuum TiN

Adherence to 24-hour movement guidelines and their association with depressive symptoms in adolescents: Evidence from Bangladesh

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Sports Medicine and Health Science 2024年第1期6卷 76-81页

作者： Asaduzzaman Khan Kazi Rumana Ahmed eun-Young lee School of Health and Rehabilitation Sciences The University of QueenslandAustralia Bangladesh University of Health Sciences Bangladesh Active Healthy Kids Bangladesh(AHKBD) Bangladesh School of Kinesiology and Health Studies Queen's UniversityKingstonONK7L2N9Canada

Healthy movement behaviours are associated with various physical and mental wellbeing;however,little is known about such associations in low-and middle-income *** aim of this study was to examine adherence to 24-hour(h)movement guidelines and their relationship with depressive symptoms in *** were from 312 Bangladeshi adolescents aged 13-17 years(42%female).Meeting the guidelines was defined as:energy expenditure for physical activity(PA)1680 Metabolic Equivalent of Task(MET)-min/week,2 h/day of recreational screen time(ST),and 8-10 h/night of *** symptoms were assessed using the 10-item Center for Epidemiological Studies Depression Scale(CESD-10)with a score of 10 or more indicating high depressive *** of adolescents meeting the three recommendations was 2.2%,with 17.6%meeting two,and 31.2%meeting one *** estimating equations showed that odds of having high depressive symptoms was a third(odds ratio[OR]=0.35,95%confidence interval[CI],0.19-0.57)for meeting the PA guidelines,and about a half(OR=0.47,95%CI,0.18-0.87)for meeting the sleep *** of depressive symptoms reduced significantly for meeting PA and sleep(OR=0.20,95%CI,0.09-0.59),or PA and ST(OR=0.24,95%CI,0.08-0.55)*** half of the adolescents did not meet any recommendations,which underscores the need for public health campaigns to promote adherence to the movement guidelines in this pediatric *** longitudinal research with larger sample size is recommended to explore the inter-relationships of these behaviours and their impact on health and wellbeing outcomes of adolescents in Bangladesh.

关键词： Movement behaviours Exercise Children Illbeing Sedentary behaviour

Metabolic relationships between marine red algae and algae‑associated bacteria

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Marine Life Science & Technology 2024年第2期6卷 298-314页

作者： Kyung Hyun Kim Jeong min Kim Ju Hye Baek Sang eun Jeong Hocheol Kim Hwan Su Yoon Che Ok Jeon Department of Biological Sciences and Biotechnology Hannam UniversityDaejon 34054Republic of Korea Department of Life Science Chung-Ang UniversitySeoul 06974Republic of Korea Department of Biological Sciences Sungkyunkwan UniversitySuwon 16419Republic of Korea

Mutualistic interactions between marine phototrophs and associated bacteria are an important strategy for their success-ful survival in the ocean,but little is known about their metabolic ***,bacterial communities in the algal sphere(AS)and bulk solution(BS)of nine marine red algal cultures were analyzed,and Roseibium and Phycisphaera were identified significantly more abundantly in AS than in *** metabolic features of Roseibium RMAR6-6(isolated and genome-sequenced),Phycisphaera MAG 12(obtained by metagenomic sequencing),and a marine red alga,Porphyridium purpureum CCMP1328(from GenBank),were analyzed ***6-6 has the genetic capability to fix nitrogen and produce B vitamins(B1,B2,B5,B6,B9,and B12),bacterioferritin,dimethylsulfoniopropionate(DMSP),and phenylacetate that may enhance algal growth,whereas MAG 12 may have a limited metabolic capability,not producing vitamins B9 and B12,DMSP,phenylacetate,and siderophores,but with the ability to produce bacitracin,possibly modulating algal *** CCMP1328 lacks the genetic capability to fix nitrogen and produce vitamin B12,DMSP,phenylacetate,and *** was shown that the nitrogen-fixing ability of RMAR6-6 promoted the growth of ***-pureum,and DMSP reduced the oxidative stress of *** metabolic interactions between strain RMAR6-6 and *** CCMP1328 were also investigated by the transcriptomic analyses of their monoculture and *** together,potential metabolic relationships between Roseibium and *** were *** study provides a bet-ter understanding of the metabolic relationships between marine algae and algae-associated bacteria for successful growth.

关键词： Metabolic relationship Marine red algae Symbiotic bacteria Roseibium Phycisphaera Porphyridium

A pilot clinical study to evaluate feasibility of using single patient classifier as a prognostic test in stage Ⅱ-Ⅲ gastric cancer patients

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Chinese Journal of Cancer Research 2024年第4期36卷 368-377页

作者： Ji Yeong An Sung eun Oh Soomin Ahn Hyoung-II Kim Yoo min Kim minah Cho Keun Won Ryu Hong Man Yoon Young Kyu Park In Gyu Kwon Sung Hoon Noh Kyung Hee lee In Cho Myoung Won Son Jong Won Kim Young-Woo Kim Department of Surgery Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Pathology and Translational Genomics Samsung Medical CenterSungkyunkwan University School of MedicineSeoul 06351Republic of Korea Department of Surgery Yonsei University College of MedicineSeoul 03722Republic of Korea Gastric Cancer Center Yonsei Cancer CenterYonsei University Health SystemSeoul 03722Republic of Korea Center for Gastric Cancer National Cancer CenterGoyang 10408Republic of Korea Department of Surgery Chonnam National University Hwasun HospitalChonnam National University College of MedicineGwangju 58128Republic of Korea Department of Surgery Gangnam Severance HospitalYonsei University College of MedicineSeoul 06273Republic of Korea Department of Hematology-Oncology Yeungnam University Medical CenterDaegu 42415Republic of Korea Department of Surgery Soonchunhyang University College of MedicineBucheon 14584Republic of Korea Department of Surgery Soonchunhyang University Cheonan HospitalSoonchunhyang University College of MedicineCheonan 31151Republic of Korea Department of Surgery Chung-Ang University HospitalChung-Ang University College of MedicineSeoul 06973Republic of Korea

Objective:Precision medicine approaches emphasize the importance of reliable prognostic tools for guiding individualized therapy *** this study,we evaluated the clinical feasibility of the single patient classifier(SPC)test,a new clinical-grade prognostic assay,in stageⅡ-Ⅲgastric cancer ***:A prospective multicenter study was conducted,involving 237 patients who underwent gastrectomy between September 2019 and August 2020 across nine *** SPC test was employed to stratify patients into risk groups,and its feasibility and performance were *** primary endpoint was the proportion of the cases in which the test results were timely delivered before selecting postoperative ***,3-year disease-free survivals of risk groups were ***:The SPC test met the primary endpoint *** 99.5%of SPC tests were timely delivered to hospitals before the postoperative treatment *** a clinical setting,the median time from the specimen transfer to laboratory to the result delivery to hospital was 4 ***,3-year disease-free survivals were significantly different between risk groups classified with SPC ***:This study highlights the SPC test's feasibility in offering crucial information timely delivered for making informed decisions regarding postoperative treatment *** also provides evidence to support the implementation of a future prospective clinical trial aimed at evaluating the clinical utility of the SPC test in guiding personalized treatment decisions for gastric cancer patients.

关键词： Prognostic test advanced gastric cancer adjuvant chemotherapy feasibility gastrectomy

Imaging diagnosis of pancreatic cancer:A state-of-the-art review

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World Journal of Gastroenterology 2014年第24期20卷 7864-7877页

作者： eun Sun lee Jeong min lee Department of Radiology Seoul National University HospitalSeoul 110-744South Korea Institute of Radiation Medicine Seoul National University College of MedicineSeoul 110-744South Korea

Pancreatic cancer(PC)remains one of the deadliest cancers worldwide,and has a poor,five-year survival rate of 5%.Although complete surgical resection is the only curative therapy for pancreatic cancer,less than20%of newly-diagnosed patients undergo surgical resection with a curative *** to the lack of early symptoms and the tendency of pancreatic adenocarcinoma to invade adjacent structures or to metastasize at an early stage,many patients with pancreatic cancer already have advanced disease at the time of their diagnosis and,therefore,there is a high mortality *** improve the patient survival rate,early detection of PC is *** diagnosis of PC relies on computed tomography(CT)and/or magnetic resonance imaging(MRI)with magnetic resonance cholangiopancreatography(MRCP),or biopsy or fine-needle aspiration using endoscopic ultrasound(EUS).Although multi-detector row computed tomography currently has a major role in the evaluation of PC,MRI with MRCP facilitates better detection of tumors at an early stage by allowing a comprehensive analysis of the morphological changes of the pancreas parenchyma and pancreatic *** diagnosis could be improved using positron emission tomography techniques in special conditions in which CT and EUS are not completely *** is essential for clinicians to understand the advantages and disadvantages of the various pancreatic imaging modalities in order to be able to make optimal treatment and management *** study investigates the current role and innovative techniques of pancreatic imaging focused on the detection of pancreatic cancer.

关键词： Pancreatic neoplasms Multi-detector computed tomography Magnetic resonance imaging Ultrasonography Endoscopic ultrasound-guided fine needle aspiration Positron-emission tomography