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| 1 | Cooperative power alloca- tion for broadcast/muhicast services in cellular OFDM systems 显示文摘 | Hojoong Kwon Lee Byeong G | 2009 | IEEE Transaction on Communications2009,57,10: | 1 |
| 2 | Outcome and predictors of mortality in patients requiring invasive mechanical ventilation due to acute respiratory failure while undergoing ambulatory chemotherapy for solid cancers显示文摘 | So Young Park So Yeon Lim Sang-Won Um Won-Jung Koh Man Pyo Chung Hojoong Kim O Jung Kwon Hye Kyeong Park Seok Jin Kim Young Hyuck Im Myung-Ju Ahn Gee Young Suh | 2013 | Supportive Care in Cancer2013,,6: | 1 |
| 3 | RANKL-responsive epigenetic mechanism reprograms macrophages into bone-resorbing osteoclasts显示文摘Monocyte/macrophage lineage cells are highly plastic and can differentiate into various cells under different environmental stimuli. Bone-resorbing osteoclasts are derived from the monocyte/macrophage lineage in response to receptor activator of NF-κB ligand (RANKL). However, the epigenetic signature contributing to the fate commitment of monocyte/macrophage lineage differentiation into human osteoclasts is largely unknown. In this study, we identified RANKL-responsive human osteoclast-specific superenhancers (SEs) and SE-associated enhancer RNAs (SE-eRNAs) by integrating data obtained from ChIP-seq, ATAC-seq, nuclear RNA-seq and PRO-seq analyses. RANKL induced the formation of 200 SEs, which are large clusters of enhancers, while suppressing 148 SEs in macrophages. RANKL-responsive SEs were strongly correlated with genes in the osteoclastogenic program and were selectively increased in human osteoclasts but marginally presented in osteoblasts, CD4+ T cells, and CD34+ cells. In addition to the major transcription factors identified in osteoclasts, we found that BATF binding motifs were highly enriched in RANKL-responsive SEs. The depletion of BATF1/3 inhibited RANKL-induced osteoclast differentiation. Furthermore, we found increased chromatin accessibility in SE regions, where RNA polymerase II was significantly recruited to induce the extragenic transcription of SE-eRNAs, in human osteoclasts. Knocking down SE-eRNAs in the vicinity of the NFATc1 gene diminished the expression of NFATc1, a major regulator of osteoclasts, and osteoclast differentiation. Inhibiting BET proteins suppressed the formation of some RANKL-responsive SEs and NFATc1-associated SEs, and the expression of SE-eRNA:NFATc1. Moreover, SE-eRNA:NFATc1 was highly expressed in the synovial macrophages of rheumatoid arthritis patients exhibiting high-osteoclastogenic potential. Our genome-wide analysis revealed RANKL-inducible SEs and SE-eRNAs as osteoclast-specific signatures, which may contribute to the development of osteoclast-specific therapeutic interventions. | Seyeon Bae Kibyeong Kim Keunsoo Kang Haemin Kim Minjoon Lee Brian Oh Kaichi Kaneko Sungkook Ma Jae Hoon Choi Hojoong Kwak Eun Young Lee Sung Ho Park Kyung-Hyun Park-Min | 2023 | Cellular & Molecular Immunology2023,20,1: | 1 |
| 4 | Generalized CSMA/CA for OFDMA systems protocol design,throughput analysis and implement issue显示文摘 | Hojoong Kwon | 2009 | IEEE Transactions on Wireless Communications2009,8,8: | 1 |
| 5 | Can upfront systemic chemotherapy replace stereotactic radiosurgery or whole brain radiotherapy in the treatment of non-small cell lung cancer patients with asymptomatic brain metastases?显示文摘 | Kyoung Ha Kim Jeeyun Lee Jung-Il Lee Do Hyun Nam Doo-Sik Kong Yong Chan Ahn Hee Chul Park O. Jung Kwon Hojoong Kim Myung Hee Chang Seong Yoon Yi Sang Hoon Ji Yeon Hee Park Jin Seok Ahn Keunchil Park Myung-Ju Ahn | 2009 | Lung Cancer2009,,2: | 1 |
| 6 | Generalized CSMA/CA for OFDMA systems: protocol design, throughput analysis, and implementation issues 显示文摘 | Kwon Hojoong Seo Hanbyul Kim Seonwook | 2009 | IEEE Transactions on Wireless Communications2009,8,8: | 1 |
| 7 | A demand-based model for forecasting innovation diffusion 显示文摘 | Byungryong Kang Hojoong Kim Chimoon Han Chuhwan Yim | 1996 | Computers & Industrial Engineering1996,30,3: | 1 |
| 8 | Generalized CSMA/CA for OFDMA systems:protocol design,throughput analysis,and implementation issues显示文摘 | K Hojoong H Seo S Kim | | 0,,08: | 1 |
| 9 | PULMONARY VASCULAR REMODELING DISTAL TO PULMONARY ARTERY LIGATION IS ACCOMPANIED BY UPREGULATION OF ENDOTHELIN RECEPTORS AND NITRIC OXIDE SYNTHASE显示文摘 | Hojoong Kim Gordon L. Yung James J. Marsh Ronald G. Konopka Craig A. Pedersen Peter G. Chiles Timothy A. Morris Richard N. Channick | 2000 | Experimental Lung Research2000,,4: | 1 |
| 10 | A demand-based model for forecasting innovation diffusion显示文摘 | Byungryong Kang Hojoong Kim | 1996 | Computers Ind Engng1996,30,3: | 1 |
| 11 | Rigid Bronchoscopic Intervention in Patients with Respiratory Failure Caused by Malignant Central Airway Obstruction显示文摘 | Kyeongman Jeon Hojoong Kim Chang-Min Yu Won-Jung Koh Gee Young Suh Man Pyo Chung O Jung Kwon | 2006 | Journal of Thoracic Oncology2006,,4: | 1 |
| 12 | Treatment outcomes for patients with synchronous multiple primary non-small cell lung cancer显示文摘 | Eun Jung Jung Jong Hoo Lee Kyeongman Jeon Won-Jung Koh Gee Young Suh Man Pyo Chung Hojoong Kim O Jung Kwon Young Mog Shim Sang-Won Um | 2010 | Lung Cancer2010,,2: | 1 |
| 13 | Aluminum nitride waveguide beam splitters for integrated quantum photonic circuits显示文摘We demonstrate integrated photonic circuits for quantum devices using sputtered polycrystalline aluminum nitride(Al N)on insulator.On-chip Al N waveguide directional couplers,which are one of the most important components in quantum photonics,are fabricated and show the output power splitting ratios from 50:50 to 99:1.Polarization beam splitters with an extinction ratio of more than 10 d B are also realized from the Al N directional couplers.Using the fabricated Al N waveguide beam splitters,we observe Hong–Ou–Mandel interference with a visibility of 91.7%±5.66%. | HYEONG-SOON JANG DONGHWA LEE HYUNGJUN HEO YONG-SU KIM HYANG-TAG LIM SEUNG-WOO JEON SUNG MOON SANGIN KIM SANG-WOOK HAN HOJOONG JUNG | 2023 | Photonics Research2023,11,7: | 0 |
| 14 | Enhancing BiVO_(4)photoanode performance by insertion of an epitaxial BiFeO_(3)ferroelectric layer显示文摘BiVO_(4)(BVO)is a promising material as the photoanode for use in photoelectrochemical applications.However,the high charge recombination and slow charge transfer of the BVO have been obstacles to achieving satisfactory photoelectrochemical performance.To address this,various modifications have been attempted,including the use of ferroelectric materials.Ferroelectric materials can form a permanent polarization within the layer,enhancing the separation and transport of photo-excited electron-hole pairs.In this study,we propose a novel approach by depositing an epitaxial BiFeO_(3)(BFO)thin film underneath the BVO thin film(BVO/BFO)to harness the ferroelectric property of BFO.The self-polarization of the inserted BFO thin film simultaneously functions as a buffer layer to enhance charge transport and a hole-blocking layer to reduce charge recombination.As a result,the BVO/BFO photoanodes showed more than 3.5 times higher photocurrent density(0.65 mA cm^(-2))at 1.23 V_(RHE)under the illumination compared to the bare BVO photoanodes(0.18 m A cm^(-2)),which is consistent with the increase of the applied bias photon-to-current conversion efficiencies(ABPE)and the result of electrochemical impedance spectroscopy(EIS)analysis.These results can be attributed to the self-polarization exhibited by the inserted BFO thin film,which promoted the charge separation and transfer efficiency of the BVO photoanodes. | Haejin Jang Yejoon Kim Hojoong Choi Jiwoong Yang Yoonsung Jung Sungkyun Choi Donghyeon Lee Ho Won Jang Sanghan Lee | 2024 | Journal of Energy Chemistry2024,89,2: | 0 |
| 15 | Parametric down-conversion photon-pair source on a nanophotonic chip显示文摘Quantum-photonic chips,which integrate quantum light sources alongside active and passive optical elements,as well as singlephoton detectors,show great potential for photonic quantum information processing and quantum technology.Mature semiconductor nanofabrication processes allow for scaling such photonic integrated circuits to on-chip networks of increasing complexity.Second-order nonlinear materials are the method of choice for generating photonic quantum states in the overwhelming majority of linear optic experiments using bulk components,but integration with waveguide circuitry on a nanophotonic chip proved to be challenging.Here,we demonstrate such an on-chip parametric down-conversion source of photon pairs based on second-order nonlinearity in an aluminum-nitride microring resonator.We show the potential of our source for quantum information processing by measuring the high visibility anti-bunching of heralded single photons with nearly ideal state purity.Our down-conversion source yields measured coincidence rates of 80 Hz,which implies MHz generation rates of correlated photon pairs.Low noise performance is demonstrated by measuring high coincidence-to-accidental ratios.The generated photon pairs are spectrally far separated from the pump field,providing great potential for realizing sufficient on-chip filtering and monolithic integration of quantum light sources,waveguide circuits and single-photon detectors. | Xiang Guo Chang-ling Zou Carsten Schuck Hojoong Jung Risheng Cheng Hong X Tang | 2016 | Light(Science & Applications)2016,5,1: | 0 |