|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | 喷墨油墨流变性能对其印刷适性的影响显示文摘喷墨印刷是一种可直接出版的印刷方式。喷墨印刷之所以能够实现,依靠的是油墨流体稳定、精准喷墨的印刷性能。本文通过观察墨滴形成的动态过程,研究喷墨印刷适性与油墨流变性能之间的内在联系。油墨的印刷适性是依照Ohnesorge(Oh)值的倒数Z来进行度量的,而Oh值与油墨的黏度、表面张力及浓度有关。考虑到墨滴的成形、定位的精准性及允许的最高喷墨频率,将Z值的可印刷范围重新定义在4~14之间。 | Daehwan Jang Dongjo Kim Jooho Moon 李人劼(编译) | 2009 | 中国印刷与包装研究2009，1，4： | 7 |
| 2 | Directly modulated quantum dot lasers on silicon with a milliampere threshold and high temperature stability显示文摘Microring lasers feature ultralow thresholds and inherent wavelength-division multiplexing functionalities, offering an attractive approach to miniaturizing photonics in a compact area. Here, we present static and dynamic properties of microring quantum dot lasers grown directly on exact(001) GaP/Si. Effectively, a single-mode operation was observed at 1.3 μm with modes at spectrally distant locations. High temperature stability with T_0~103 K has been achieved with a low threshold of 3 mA for microrings with an outer ring radius of 15 μm and a ring waveguide width of 4 μm. Small signal modulation responses were measured for the first time for the microrings directly grown on silicon, and a 3 dB bandwidth of 6.5 GHz was achieved for a larger ring with an outer ring radius of 50 μm and a ring waveguide width of 4 μm. The directly modulated microring laser,monolithically integrated on a silicon substrate, can incur minimal real estate cost while offering full photonic functionality. | YATING WAN DAISUKE INOUE DAEHWAN JUNG JUSTIN C.NORMAN CHEN SHANG ARTHUR C.GOSSARD JOHN E.BOWERS | 2018 | Photonics Research2018，6，8： | 4 |
| 3 | Nanofibers from gas-assisted polymer melt electrospinning显示文摘 | Eduard Zhmayev Daehwan Cho Yong Lak Joo | 2010 | Polymer2010，，18： | 2 |
| 4 | Simultaneous ges- ture segmentation and recognition based on forward spotting accu- mulative HMMs 显示文摘 | Daehwan Kim Jinyoung Song Daijin Kim | 2007 | Pattern Recognition2007，40，11： | 1 |
| 5 | Influence of Fluid Physical Properties on Ink-jet Printability显示文摘 | JANG Daehwan KIM Dongjo MOON Jooho | 2009 | Department of Materials Science and Engineering2009，25，5： | 1 |
| 6 | Nanoflbers from gas- assisted polymer melt electrospinning 显示文摘 | Eduard Zhmayev Daehwan Cho Yong Lak Joo | 2010 | Polymer2010，51，： | 1 |
| 7 | Effects of ingredients on tribological characteristics of a brake lining:an experimental case study显示文摘 | Cho Min Hyung Kim Seong Jin Kim Daehwan | | 0，，： | 1 |
| 8 | Electrohydrodynamic quenching in polymer melt electrospinning显示文摘 | Eduard Zhmayev Daehwan Cho | 2011 | Physics of fluids2011，23，7： | 1 |
| 9 | Further improvement of air filtration efficiency of cellulose filter coated with nanofibers via inclusion of electrostatically active nanoparticles 显示文摘 | DAEHWAN C ALEXANDER N MARGARET W F | 2013 | Polymer2013，，54： | 1 |
| 10 | The use of a hybrid model to compute the nonlinear acoustic performance of silencers for the finite amplitude a- coustic wave 显示文摘 | DAEHWAN K CHEOLUNG C WEUI B J | 2010 | Journal of Sound and Vibration2010，329，11： | 1 |
| 11 | Influence of fluid physical properties on ink-jet printability 显示文摘 | JANG Daehwan KIM Dongjo MOON Jooho | 2009 | Langmuir2009，25，5： | 1 |
| 12 | Characteristics and porcelain bond strength of (Ti,A1)N Coating 显示文摘 | Chung KH Duh JG Shin Daehwan | 2002 | J Biomed Mater Res2002，63，： | 1 |
| 13 | Structural properties and superhydrophobicity of electrospun polypropylene fibers from solution and melt显示文摘 | Daehwan Cho Huajun Zhou Youngjin Cho Debra Audus Yong Lak Joo | 2010 | Polymer2010，，25： | 1 |
| 14 | Fur- ther improvement of air filtration efficiency of cellulose filters coated with nanofibers via inclusion of electrostatically active nanoparticles显示文摘 | Cho Daehwan Naydich Alexander Frey Margaret W | 2013 | Polymer2013，54，9： | 1 |
| 15 | Simultaneous gesture segmentation and recognition based on forward spotting accumulative HMMs 显示文摘 | Kim Daehwan Song Jinyoung Kim Daijin | 2007 | Pattern Recognition(S0031-3203)2007，40，： | 1 |
| 16 | The use of a hybrid models to compute the nonlinear acoustic performance of silencers for the finite amplitude acoustic wave显示文摘 | Daehwan Kim Cheolung Cheong Weui Bong Jeong | 2010 | Journal of Sound and Vibration2010，329，11： | 1 |
| 17 | Hydrotalcite-type catalysts for narrow-range oxyethylation of 1-dodecanol using ehyleneoxide 显示文摘 | Daehwan Kim Chengzhe Huang | 2003 | Applied Catalysis A: General2003，249，： | 1 |
| 18 | A Study on the Impedance Calculation by Using Equivalent Model in Catenary System显示文摘 | Kim Minkyu Kim Minseok Kim Daehwan | 2010 | IJR International Journal of Rail- way2010，3，2： | 1 |
| 19 | High-responsivity InAs quantum well photo-FET integrated on Si substrates for extended-range short-wave infrared photodetector applications显示文摘Low-intensity light detection necessitates high-responsivity photodetectors.To achieve this,we report In_(0.53)Ga_(0.47)As∕In As∕In_(0.53)Ga_(0.47)As quantum well(InAs QW)photo-field-effect-transistors(photo-FETs)integrated on a Si substrate using direct wafer bonding.Structure of the In As QW channel was carefully designed to achieve higher effective mobility and a narrower bandgap compared with a bulk In_(0.53)Ga_(0.47)As,while suppressing the generation of defects due to lattice relaxations.High-performance 2.6 nm In As QW photo-FETs were successfully demonstrated with a high on/off ratio of 10~5 and a high effective mobility of 2370 cm^(2)∕(V·s).The outstanding transport characteristics in the InAs QW channel result in an optical responsivity 1.8 times greater than InGaAs photo-FETs and the fast rising/falling times.Further,we experimentally confirmed that the InAs QW photo-FET can detect light in the short-wavelength infrared(SWIR;1.0–2.5μm)near 2μm thanks to bandgap engineering through In As QW structures.Our result suggests that the InAs QW photo-FET is promising for high-responsivity and extended-range SWIR photodetector applications. | DAEHWAN AHN SUNGHAN JEON †HOYOUNG SUH SEUNGWAN WOO RAFAEL JUMAR CHU DAEHWAN JUNG WON JUN CHOI DONGHEE PARK JIN-DONG SONG WOO-YOUNG CHOI JAE-HOON HAN | 2023 | Photonics Research2023，11，8： | 0 |
| 20 | Autologous treatment for ALS with implication for broad neuroprotection显示文摘Background: Amyotrophic lateral sclerosis (ALS) is characterized by a progressive loss of motor neurons (MNs), leading to paralysis, respiratory failure and death within 2-5 years of diagnosis. The exact mechanisms of sporadic ALS, which comprises 90% of all cases, remain unknown. In familial ALS, mutations in superoxide dismutase (SOD1) cause 10% of cases. Methods: ALS patient-derived human-induced pluripotent stem cells (ALS hiPSCs, harboring the SOD1AV4 mutation), were differentiated to MNs (ALS-MNs). The neuroprotective effects of conditioned medium (CM) of hESCs (H9), wt hiPSCs (WTC-11) and the ALS iPSCs, on MN apoptosis and viability, formation and maintenance of neurites, mitochon-drial activity and expression of inflammatory genes, were examined. For in vivo studies, 200 μl of CM from the ALS iPSCs (CS07 and CS053) was injected subcutaneously into the ALS model mice (transgenic for the human SOD1G93A mutation). Animal agility and strength, muscle innervation and mass, neurological score, onset of paralysis and lifes-pan of the ALS mice were assayed. After observing significant disease-modifying effects, the CM was characterized biochemically by fractionation, comparative proteomics, and epigenetic screens for the dependence on pluripotency. CM of fibroblasts that were differentiated from the wt hiPSCs lacked any neuroprotective activity and was used as a negative control throughout the studies. Results: The secretome of PSCs including the ALS patient iPSCs was neuroprotective in the H2O2 model. In the model with pathogenic SOD1 mutation, ALS iPSC-CM attenuated all examined hallmarks of ALS pathology, rescued human ALS-MNs from denervation and death, restored mitochondrial health, and reduced the expression of inflam-matory genes. The ALS iPSC-CM also improved neuro-muscular health and function, and delayed paralysis and mor-bidity in ALS mice. Compared side by side, cyclosporine (CsA), a mitochondrial membrane blocker that prevents the leakage of mitochondrial DNA, failed to avert the death of ALS-MNs, although CsA and ALS iPSC-CM equally stabilized MN mitochondria and attenuated inflammatory genes. Biochemical characterization, comparative proteomics, and epigenetic screen all suggested that it was the interactome of several key proteins from different fractions of PSC-CM that delivered the multifaceted neuroprotection. Conclusions: This work introduces and mechanistically characterizes a new biologic for treating ALS and other complex neurodegenerative diseases. | Daehwan Kim Subin Kim Ashley Sung Neetika Patel Nathan Wong Michael J.Conboy Irina M.Conboy | 2022 | Translational Neurodegeneration2022，11，1： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员