Search Results - "Hyeon Choi, Ji"

A Simultaneous Energy Transferring SIBO Converter Achieving Low Ripple and High Efficiency for AMOLED Applications by Park, Hyo-Jin, Cho, Joo-Mi, Choi, Hyeon-Ji, Lee, Chan-Ho, Jeon, Young-Jun, Shin, Jeeyoung, Choi, Woong, Jeong, Junwon, Hong, Sung-Wan

“…This article presents a single-inductor bipolar-output (SIBO) converter for active-matrix organic light-emitting diode (AMOLED) displays to reduce output…”
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An L213A variant of β-glycosidase from Sulfolobus solfataricus with increased α-L-arabinofuranosidase activity converts ginsenoside Rc to compound K by Choi, Ji-Hyeon, Shin, Kyung-Chul, Oh, Deok-Kun

“…Compound K (C-K) is a crucial pharmaceutical and cosmetic component because of disease prevention and skin anti-aging effects. For industrial application of…”
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An Ultra-Low Power Soft-Switching Self-Oscillating SIMO Converter for Implantable Stimulation Systems by Choi, Hyeon-Ji, Bae, Chisung, Huh, Yeunhee, Kim, Sang Joon, Jung, Seungchul, Yoon, Kye-Seok, Cho, Joo-Mi, Park, Hyo-Jin, Lee, Chan-Ho, Park, Su-Min, Baik, Esun, Oh, Young-Ju, Ahn, Ho-Chan, Lee, Chan-Kyu, Hong, Sung-Wan

“…This letter proposes an ultralow power single-inductor multiple-output converter for an implantable stimulation system. This converter minimizes the number of…”
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An Input-Independent Loop Type-III Buck Converter With PSRR Improvement and EMI Suppression for Enhancing the Security of Edge Devices by Lee, Chan-Ho, Park, Hyo-Jin, Cho, Joo-Mi, Choi, Hyeon-Ji, Park, Su-Min, Baik, Esun, Oh, Young-Ju, Ahn, Ho-Chan, Lee, Chan-Kyu, Shin, Jeeyoung, Shin, Se-Un, Hong, Sung-Wan

“…This letter proposes an input-independent loop type-III buck converter (ILT3C) enhancing the security of edge devices. Compared to a conventional type-III buck…”
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Analysis of Flow Characteristics of Window-Combination-Type Ventilation System Using CFD by Cho, Mok-Lyang, Choi, Hyeon-Ji, Kim, Seo-Jin, Ha, Ji-Soo

“…In this study, we analyze the performance of ventilation modules to improve air quality in educational facilities. Using (CFD), we examine the flow design…”
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Characterization of l-rhamnose isomerase from Clostridium stercorarium and its application to the production of d-allose from d-allulose (d-psicose) by Seo, Min-Ju, Choi, Ji-Hyeon, Kang, Su-Hwan, Shin, Kyung-Chul, Oh, Deok-Kun

“…Objective To characterize l -rhamnose isomerase ( l -RI) from the thermophilic bacterium Clostridium stercorarium and apply it to produce d -allose from d…”
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A 2 A Maximum Load Current Capable 0-to-1 μF Off-chip Capacitor N-type LDO using Dual Dynamic Negative Feedback Loop and an Improved Error Amplifier by Ahn, Ho-Chan, Cho, Joo-Mi, Choi, Hyeon-Ji, Lee, Chan-Ho, Lee, Chan-Kyu, Hong, Sung-Wan

“…This paper proposes a low-dropout regulator (LDO) which is stable over an output capacitor (Co) range from 0 to 1 \muF. The proposed LDO uses an n-type power…”
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8.7 A 92.7% Peak Efficiency 12V-to-60V Input to 1.2V Output Hybrid DC-DC Converter Based on a Series-Parallel-Connected Switched Capacitor by Choi, Hyeon-Ji, Lee, Chan-Ho, Jeon, Young-Jun, Park, Hyeonho, Kim, Jeong-Hun, Woo, Young-Jin, Hong, Ju-Pyo, Jin, Haifeng, Hong, Sung-Wan

“…The battery voltage (\mathrm{V}_{\mathrm{bat}}) is becoming higher in automotive applications for a higher efficiency power system. Accordingly, an ultra-low…”
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96.48% Peak-Efficiency Continuous-Current Step-Up Battery Charger (CC-SUBC) with Dual Energy-Harvesting Sources for Automotive Application by Park, Hyo-Jin, Cho, Joo-Mi, Choi, Hyeon-Ji, Lee, Chan-Ho, Hong, Sung-Wan

“…This paper proposes a continuous-current step-up battery charger (CC-SUBC) for electronic or hybrid vehicles. The proposed charger can simultaneously extract…”
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Enhancement of host immune responses by oral vaccination to Salmonella enterica serovar Typhimurium harboring both FliC and FljB flagella by Eom, Jeong Seon, Seok Kim, Jin, Im Jang, Jung, Kim, Bae-Hoon, Young Yoo, So, Hyeon Choi, Ji, Bang, Iel-Soo, Lee, In Soo, Keun Park, Yong

“…Flagellin, the structural component of the flagellar filament in various motile bacteria, can contribute to the activation of NF-κB and proinflammatory…”
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Synergistic production of 20(S)-protopanaxadiol from protopanaxadiol-type ginsenosides by β-glycosidases from Dictyoglomus turgidum and Caldicellulosiruptor bescii by Choi, Ji-Hyeon, Seo, Min-Ju, Shin, Kyung-Chul, Lee, Ki Won, Oh, Deok-Kun

“…20( S )-Protopanaxadiol (APPD) has potential uses in the pharmaceutical, cosmetic, and food industries because of its anti-stress, anti-fatigue, anti-cancer,…”
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Complete Biotransformation of Protopanaxadiol-Type Ginsenosides to 20‑O‑β-Glucopyranosyl-20(S)‑protopanaxadiol Using a Novel and Thermostable β‑Glucosidase by Shin, Kyung-Chul, Kim, Tae-Hun, Choi, Ji-Hyeon, Oh, Deok-Kun

“…The ginsenoside 20-O-β-glucopyranosyl-20­(S)-protopanaxadiol, compound K, has attracted much attention in functional food, traditional medicine, and cosmetic…”
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Epitaxial growth of NbN thin films for electrodes using atomic layer deposition by Young Jang, Seo, Min Lee, Hye, Young Sung, Ju, Eun Kim, Se, Deock Jeon, Jae, Yun, Yewon, Mo Moon, Sang, Eun Yoo, Joung, Hyeon Choi, Ji, Joo Park, Tae, Woon Lee, Sang

“…[Display omitted] •Epitaxial growth of NbN thin films using atomic layer deposition.•An in-plane compressive strain in the NbN film grown on MgO…”
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RNA Editing Enzyme ADAR1 Suppresses the Mobility of Cancer Cells via ARPIN by Park, Min Ji, Jeong, Eunji, Lee, Eun Ji, Choi, Hyeon Ji, Moon, Bo Hyun, Kang, Keunsoo, Chang, Suhwan

“…Deamination of adenine or cytosine in RNA, called RNA editing, is a constitutively active and common modification. The primary role of RNA editing is tagging…”
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Engineered Salmonella typhimurium expressing E7 fusion protein, derived from human papillomavirus, inhibits tumor growth in cervical tumor-bearing mice by Yoon, Wonsuck, Choi, Ji Hyeon, Kim, Sinyeon, Park, Yong Keun

“…The tumor-suppressing effects of SipB160/HPV16 E7 fusion protein, derived from human papillomavirus, and expressed in Salmonella enterica serovar typhimurium,…”
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Combination of Porous Silk Fibroin Substrate and Gold Nanocracks as a Novel SERS Platform for a High-Sensitivity Biosensor by Choi, Ji Hyeon, Choi, Munsik, Kang, Taeyoung, Ho, Tien Son, Choi, Seung Ho, Byun, Kyung Min

“…Novel concepts for developing a surface-enhanced Raman scattering (SERS) sensor based on biocompatible materials offer great potential in versatile…”
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Formation of oxygen vacancy at surfaces of ZnO by trimethylaluminum by Eom, Hyobin, Bae, Woojin, Sung, Ju Young, Choi, Ji Hyeon, Dae, Kyun Seong, Jang, Jae Hyuck, Park, Tae Joo, Lee, Sang Woon, Shong, Bonggeun

“…The two-dimensional electron gas (2DEG) is a group of electrons that can move freely in horizontal dimensions but are confined in the third direction. It has…”
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Clinical Validation of the Unparalleled Sensitivity of the Novel Allele-Discriminating Priming System Technology-Based EGFR Mutation Assay in Patients with Operable Non-Small Cell Lung Cancer by Park, Il-Hyun, Son, Dae-Soon, Choi, Yoon-La, Choi, Ji-Hyeon, Park, Ji-Eun, Jeon, Yeong Jeong, Cho, Minseob, Kim, Hong Kwan, Choi, Yong Soo, Shim, Young Mog, Kang, Jung Hee, Park, Suzy, Lee, Jinseon, Kim, Sung-Hyun, Lee, Byung-Chul, Kim, Jhingook

“…Recently, we developed allele-discriminating priming system (ADPS) technology. This method increases the sensitivity of conventional quantitative polymerase…”
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Neuregulin-1 suppresses anti-apoptotic effect of Der p 38 on neutrophils by inhibition of cytokine secretion by Hong, Yujin, Choi, Ji Hyeon, Hong, Min Hwa, Kim, Geunyeong, Lee, Ji-Sook, Woo, Ran-Sook, Yang, Eun Ju, Kim, In Sik

“…Background Neuregulin (NRG) plays essential roles in the growth and differentiation of epithelial, neuronal and glial cells. Asthma is a chronic respiratory…”
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Interfaces in Atomic Layer Deposited Films: Opportunities and Challenges by Zaidi, Syed Jazib Abbas, Park, Jae Chan, Han, Ji Won, Choi, Ji Hyeon, Ali, Muhammad Aanish, Basit, Muhammad Abdul, Park, Tae Joo

“…Atomic layer deposition (ALD) is an effective method for precise layer‐wise growth of thin‐film materials and has allowed for substantial progress in a variety…”
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