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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

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

Organic X-ray Image Sensors Using a Medium Bandgap Polymer Donor with Low Dark Current

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Energy & Environmental Materials 2024年第6期7卷 230-237页

作者： Jong-Woon Ha Seung Hun Eom Bo Kyung Cha Seyeong Song Hyeong Ju eun Jong H.Kim Jong Mok Park BongSoo Kim Byoungwook Park Seo-Jin Ko Sung cheol Yoon Changjin Lee In Hwan Jung Do-Hoon Hwang Department of Chemistry Chemistry Institute for Functional MaterialsPusan National UniversityBusan 46241Korea Division of Advanced Energy Materials Research Center Korea Research Institute of Chemical Technology(KRICT)Daejeon 34114Korea Electro-Medical Device Research Center Korea Electrotechnology Research Institute(KERI)Ansan 15588Korea Graduate School of Carbon Neutrality School of Energy and Chemical EngineeringUlsan National Institute of Science and Technology(UNIST)Ulsan 44919Korea Department of Molecular Science and Technology Ajou UniversitySuwon 16449Korea Research Center for Advanced Specialty Chemicals Korea Research Institute of Chemical TechnologyUlsan 44412Korea Department of Chemistry Ulsan National Institute of Science and Technology(UNIST)Ulsan 44919Korea Department of Organic and Nano Engineering Human-Tech Convergence ProgramHanyang University222 Wangsimni-roSeongdong-guSeoul 04763Korea

The development of portable X-ray detectors is necessary for diagnosing fractures in unconscious patients in emergency ***,this is quite challenging because of the heavy weight of the scintillator and silicon *** weight and thickness of X-ray detectors can be reduced by replacing the silicon layer with an organic *** study presents a novel bithienopyrroledione-based polymer donor that exhibits excellent photodetection properties even in a thick photoactive layer(~700 nm),owing to the symmetric backbone and highly soluble molecular structure of *** ability of bithienopyrroledione-based polymer donor to strongly suppress the dark current density(Jd~10−10 A cm^(−2))at a negative bias(−2.0 V)while maintaining high responsivity(R=0.29 A W−1)even at a thickness of 700 nm results in a maximum shot-noise-limited specific detectivity of D_(sh)^(*)=2.18×10^(13)Jones in the organic *** organic photodetectors are developed by slot-die coating for use in X-ray detectors,which exhibit D_(sh)^(*)=2.73×10^(12)Jones with clear rising(0.26 s)and falling(0.29 s)response times upon X-ray *** reliability is also proven by linear response of the X-ray detector,and the X-ray detection limit is 3 mA.

关键词： low dark current low detection limit organic photodetector printable X-ray

Computational approaches for fast generation of digital 3D video holograms(Invited Paper)

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Chinese Optics Letters 2009年第12期7卷 1083-1091页

作者： Seung-cheol Kim eun-Soo Kim 3D Display Research Center Department of Electronic Engineering Kwangwoon University

Several approaches for fast generation of digital holograms of a three-dimensional （3D） object have been discussed. Among them, the novel look-up table （N-LUT） method is analyzed to dramatically reduce the number of pre-calculated fringe patterns required for computation of digital holograms of a 3D object by employing a new concept of principal fringe patterns, so that problems of computational complexity and huge memory size of the conventional ray-tracing and look-up table methods have been considerably alleviated. Meanwhile, as the 3D video images have a lot of temporally or spatially redundant data in their inter- and intra-frames, computation time of the 3D video holograms could be also reduced just by removing these redundant data. Thus, a couple of computational methods for generation of 3D video holograms by combined use of the N-LUT method and data compression algorithms are also presented and discussed. Some experimental results finally reveal that by using this approach a great reduction of computation time of 3D video holograms could be achieved.

关键词： LUT Computational approaches for fast generation of digital 3D video holograms CGH

Reliable high temperature, high humidity flexible thin film encapsulation using Al2O3/MgO nanolaminates for flexible OLEDs

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Nano Research 2020年第10期13卷 2716-2725页

作者： Ki Suk Kang So Yeong Jeong eun Gyo Jeong Kyung cheol Choi School of Eetrical Enginerng Korea Advanced lstute of Sciencp and Tchcnoloy(KAIST) 291 Daehak roYuscong guDaejeon 34141Republic of Korea Department of Clothing and Textiles Chormam National University77 Yongbong.roBuk guGwangjiu 61186Republic of Korea

Since most organic materials are very sensitive to moisture and oxygen, organic light emitting diodes (OLEDs) require an encapsulation layer to protect the active layer from these gases. Since light, flexible and portable OLEDs are being employed in more diverse climates and environmental conditions, the OLED encapsulation layer must retain robust mechanical properties and stability in high temperature/high humidity conditions. Al2O3 films have demonstrated excellent barrier performance, but they readily hydrolyze when exposed to prolonged harsh environments. In this study, we fabricated a thin film encapsulation (TFE) film that was resistant to hydrolysis, using Al2O3/MgO (AM) nanolaminates. MgO has superior resistance to harsh environments, and the aluminate phase generated by the chemical reaction of Al2O3 and MgO provided excellent barrier performance, even after storage in harsh conditions. A multi-barrier fabricated using the AM nanolaminate showed excellent barrier performance, close to the level required by OLEDs. It did not significantly deteriorate even after a bending test of 1,000 iterations at 0.63% strain. After 1,000 cycle of bending, the electrical properties of the passivated OLEDs were not significantly degraded at shelf-lifetime test where the fabricated device was stored for 50 days in a harsh environment of 60℃, 90% relative humidity. The multi-barrier shows the best performance compared to previous studies on flexible encapsulation that can be used in harsh environments.

关键词： thin film encapsulation nanolaminate structure Al2O3 MgO flexible organic light emitting diode(OLED)

Oxygen permeability of soft contact lenses in different pH, osmolality and buffering solution

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International Journal of Ophthalmology(English edition) 2015年第5期8卷 1037-1042页

作者： Se eun Lee So ra Kim Mijung Park Department of Optometry Seoul National University of Science and Technology

AIMTo determine the effect of pH, osmolality, and buffering system on the oxygen permeability (Dk) of soft contact *** hydrogel lenses (nelfilcon A and etafilcon A) and 2 silicone hydrogel lenses (lotrafilcon A and balafilcon A) were used in the study. These lenses were incubated in phosphate-buffered saline (PBS) and borate-buffered saline (BBS) solutions adjusted by 0.8 pH increments to a pH in the range of 5.8-9.0 or in hypotonic (280 mOsmol/kg), isotonic (310 mOsmol/kg) and hypertonic (380 mOsmol/kg) PBS solutions. Polarographic method was used for measuring the Dk and lenses were stacked as 4 layers to correct the boundary *** values of all contact lenses measured in BBS solutions were more stable than those in PBS solutions. Especially the etafilcon A lens showed a relative big change compared with other types of contact lenses at the same conditions. When the osmolality of PBS solution increased from hypotonic to hypertonic, Dk of all contact lenses decreased. Variations in Dk existed depending on lens materials, etafilcon A lens was the most affected and nelfilcon A was the least affected by *** the result obtained, it is revealed that Dk of contact lenses is changed by the pH, osmolality, and buffering condition of tear. Thus, Dk of contact lens can be varied by the lens wearers' physiological and/or pathological conditions.

关键词： soft contact lens oxygen permeability buffer solutions osmolality pH

Effects of TiN film coating on electrochemical behaviors of nanotube formed Ti-xHf alloys

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中国有色金属学会会刊：英文版 2009年第4期19卷 857-861页

作者： Kang LEE Won-Gi KIM Joo-Young CHO Sang-Won eun Han-cheol CHOE Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials College of DentistryChosun University Department of Applied Advanced Materials Korea Polytechnic Ⅴ Colleges

Ti-xHf(x=10%,20%,30% and 40%,mass fraction) alloys were prepared by arc melting,and the microstructure was controlled for 24 h at 1 000 ℃ in argon *** formation of nanotube was conducted by anodizing on Ti-Hf alloys in 1.0 mol/L H3PO4 electrolytes with small amounts of NaF at room *** then TiN coatings were coated by DC-sputtering on the anodized *** and nanotube morphology of the alloys were examined by field emission scanning electron microscopy(FE-SEM) and X-ray diffractometry(XRD).The corrosion properties of the specimens were examined through potentiodynamic test(potential range from -1 500 to 2 000 mV) in 0.9 % NaCl solution by *** microstructure shows the acicular phase and α' phase with Hf *** amorphous oxide surface is transformed to crystalline anatase *** coated nanotube surface has a good corrosion resistance.

关键词：氮化钛涂层合金制备纳米管电化学行为薄膜包衣 0.9%NaCl溶液扫描电子显微镜微观结构

Relationship between treatment types and blood–brain barrier disruption in patients with acute ischemic stroke:Two case reports

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World Journal of Clinical Cases 2022年第7期10卷 2351-2356页

作者： Youngbeom Seo Jonghoon Kim Min cheol Chang Hyungkyu Huh eun-Hee Lee Department of Neurosurgery College of MedicineYeungnam UniversityDaegu 42415South Korea Department of Rehabilitation Medicine College of MedicineYeungnam UniversityDaegu 42415South Korea Medical Interdisciplinary Team Medical Device Development CenterDaegu-Gyeongbuk Medical Innovation FoundationDaegu 41061South Korea

BACKGROUND Blood-brain barrier(BBB)disruption plays an important role in the development of neurological dysfunction in ischemic ***,diagnostic modalities that can clearly diagnose the degree of BBB disruption in ischemic stroke are ***,we describe two cases in which the usefulness of dynamic contrastenhanced magnetic resonance imaging(DCE-MRI)in detecting BBB disruption was evaluated after treatment of acute ischemic stroke using two different *** SUMMARY The two patients of similar age and relatively similar cerebral infarction locations were treated conservatively or with thrombectomy,although their sex was *** a result of analysis by performing DCE-MRI,it was confirmed that BBB disruption was significantly less severe in the patient who underwent thrombectomy(P=3.3×10^(-7)),whereas the average Ktrans of the contralateral hemisphere in both patients was similar(2.4×10^(-5)min^(-1) and 2.0×10^(-5)min^(-1)).If reperfusion is achieved through thrombectomy,it may indicate that the penumbra can be saved and BBB recovery can be *** Our cases suggest that BBB disruption could be important if BBB permeability is used to guide clinical treatment.

关键词： Blood-brain barrier Ischemic stroke Dynamic contrast-enhanced magnetic resonance imaging Thrombectomy Penumbra Case report

Enhancement of photoresponsive electrical characteristics of multilayer MoS2 transistors using rubrene patches

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Nano Research 2015年第3期8卷 790-800页

作者： eun Hei Cho Won Geun Song cheol Joon Park Jeongyong Kim Sunkook Kim Jinsoo Joo Department of Physics Korea University Seou1136-713 R. O. Korea Department of Electronics and radio Engineering Institute for Laser Engineering Kyung Hee University Yongin Gyeonggi-do 446-70 I R. O. Korea Center for Integrated Nanostructure Physics (CINAP) Institute for Basic Science (IBS) Department of Energy Science Sungkyunkwan University Suwon 440-746 R. O. Korea

Multilayer MoS2 is a promising active material for sensing, energy harvesting, and optoelectronic devices owing to its intriguing tunable electronic band structure. However, its optoelectronic applications have been limited due to its indirect band gap nature. In this study, we fabricated a new type of phototransistor using multilayer MoS2 crystal hybridized with p-type organic semiconducting rubrene patches. Owing to the outstanding photophysical properties of rubrene, the device characteristics such as charge mobility and photoresponsivity were considerably enhanced to an extent depending on the thickness of the rubrene patches. The enhanced photoresponsive conductance was analyzed in terms of the charge results of the nanoscale laser confocal time-resolved PL measurements. transfer doping effect, validated by the microscope photoluminescence （PL） and

关键词： MoS2 rubrene transistor photoresponsivity charge transfer