Search Results - "Cha, Hyeonjin"

Derivation of Cell-Engineered Nanovesicles from Human Induced Pluripotent Stem Cells and Their Protective Effect on the Senescence of Dermal Fibroblasts by Lee, Hyelim, Cha, Hyeonjin, Park, Ju Hyun

“…Stem cells secrete numerous paracrine factors, such as cytokines, growth factors, and extracellular vesicles. As a kind of extracellular vesicle (EV), exosomes…”
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Stem Cell-Derived Exosomes and Nanovesicles: Promotion of Cell Proliferation, Migration, and Anti-Senescence for Treatment of Wound Damage and Skin Ageing by Cha, Hyeonjin, Hong, Seyoung, Park, Ju Hyun, Park, Hee Ho

“…Extracellular vesicles (EVs), such as exosomes, are nano-sized vesicles derived from endocytic membranes and contain biomolecules such as proteins, lipids,…”
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Recombinant Human Erythropoietin Production in Chinese Hamster Ovary Cells Is Enhanced by Supplementation of α-Helix Domain of 30Kc19 Protein by Cha, Hyeonjin, Park, Ju-Hyun

“…The enhancement of recombinant therapeutic protein production in mammalian cell culture has been regarded as an important issue in the biopharmaceutical…”
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Non-viral Gene Disruption by CRISPR/Cas9 Delivery Using Cell-permeable and Protein-stabilizing 30Kc19 Protein by Kim, Yu Jin, Lee, Hyelim, Cha, Hyeonjin, Park, Ju Hyun

“…CRISPR/Cas9 system has served a new insight in genome editing of eukaryotes, including human cells. In this system, delivery of Cas9 nuclease with guide RNA…”
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Direct Conversion of Human Fibroblasts into Osteoblasts Triggered by Histone Deacetylase Inhibitor Valproic Acid by Cha, Hyeonjin, Lee, Jaeyoung, Park, Hee Ho, Park, Ju Hyun

“…The generation of functional osteoblasts from human somatic cells could provide an alternative means of regenerative therapy for bone disorders such as…”
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Non-Dimensional Analysis of Diffusion Characteristics in Polymer Electrolyte Membrane Fuel Cells with Mismatched Anodic and Cathodic Flow Channels by Kim, Hyeok, Kim, Geonhwi, Kim, Jaeyeon, Kim, Dasol, Kwon, Obeen, Yoo, Hongnyoung, Cha, Hyeonjin, Choi, Heesoo, Park, Taehyun

“…Polymer electrolyte membrane fuel cells were analyzed to investigate changes in the structure of the flow field and operating conditions. The cell performance,…”
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Effects of the Anode Diffusion Layer on the Performance of a Nonenzymatic Electrochemical Glucose Fuel Cell with a Proton Exchange Membrane by Cha, Hyeonjin, Kwon, Obeen, Kim, Jaeyeon, Choi, Heesoo, Yoo, Hongnyoung, Kim, Hyeok, Park, Taehyun

“…It is necessary to apply a nonenzymatic glucose fuel cell using a proton exchange membrane for an implantable biomedical device that operates at low power. The…”
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Nano-structure of vitronectin/heparin on cell membrane for stimulating single cell in iPSC-derived embryoid body by Han, Uiyoung, Kim, Wijin, Cha, Hyeonjin, Park, Ju Hyun, Hong, Jinkee

“…Individual cell environment stimulating single cell is a suitable strategy for the generation of sophisticated multicellular aggregates with localized…”
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Non‐destructive platinum catalyst‐replenishment method for deteriorated polymer electrolyte membrane fuel cells by Kim, Jaeyeon, Yoo, Hongnyung, Kim, Hyeok, Kim, Dasol, Kim, Geon Hwi, Kwon, Obeen, Choi, Heesoo, Cha, Hyeonjin, Park, Taehyun

“…A novel method for replenishing platinum catalysts on an electrolyte membrane of polymer electrolyte membrane fuel cell (PEMFC) is studied. The method injects…”
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Pre-bent Flow-Field Plates for Enhanced Performance in Flexible Polymer Electrolyte Membrane Fuel Cells in Curved Shape by Yoo, Hongnyoung, Kim, Jaeyeon, Kwon, Obeen, Kim, Hyeok, Kim, Geon Hwi, Choi, Heesoo, Cha, Hyeonjin, Kim, Dasol, Jang, Segeun, Park, Taehyun

“…This article reports on a flexible polymer electrolyte membrane fuel cell (PEMFC) with a pre-bent flow field. The performances in the flat and bent positions…”
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Institutional decoupling and the limited implementation of certified environmental technologies by Park, Sangchan, Cha, Hyeonjin

“…New environmental policies and initiatives increasingly drive firms to develop sustainable technologies, yet it is unclear why firms often decide not to…”
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Observation of flooding-induced performance enhancement in PEMFCs by Choi, Heesoo, Kim, Jaeyeon, Kwon, Obeen, Yoo, Hongnyoung, Kim, Hyeok, Cha, Hyeonjin, Park, Taehyun

“…In this study, water removal is observed through a transparent fuel cell, and the relationships between it and the responses of voltage and impedance are…”
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CNT sheet as a cathodic functional interlayer in polymer electrolyte membrane fuel cells by Kwon, Obeen, Kim, Jaeyeon, Choi, Heesoo, Cha, Hyeonjin, Shin, Myunggyu, Jeong, Youngjin, Park, Taehyun

“…Carbon nanotube (CNT) sheet was sandwiched between the cathodic GDBL and a bipolar plate of polymer electrolyte membrane fuel cells (PEMFCs). The CNT sheets…”
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Enhanced osteogenic differentiation of human mesenchymal stem cells by direct delivery of Cbfβ protein by Lee, Jaeyoung, Cha, Hyeonjin, Park, Tai Hyun, Park, Ju Hyun

“…Core binding factor β (Cbfβ) is a non‐DNA binding cofactor of Runx2 that potentiates DNA binding. Previously, it has been reported that Cbfβ plays an essential…”
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Real-time detection of flooding in polymer electrolyte membrane fuel cells using high-frequency electrochemical impedance by Choi, Heesoo, Jang, Hojae, Kim, Jaeyeon, Kwon, Obeen, Yoo, Hongnyoung, Cha, Hyeonjin, Jeong, Seokhun, So, Yoonho, Park, Taehyun

“…Water management is essential to achieve guaranteed performance and durability of polymer electrolyte membrane fuel cells (PEMFCs), and to this end, accurate…”
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Mass diffusion characteristics on performance of polymer electrolyte membrane fuel cells with serpentine channels of different width by Kim, Hyeok, Kim, Jaeyeon, Kim, Dasol, Kim, Geon Hwi, Kwon, Obeen, Cha, Hyeonjin, Choi, Heesoo, Yoo, Hongnyoung, Park, Taehyun

“…•PEMFCs with 0.3, 0.5, and 1.0 mm-thick flow channels/ribs are tested.•The effect by increasing operating pressure in different channels is…”
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High-performance polymer electrolyte membrane fuel cells with nanoporous carbon nanotube layer in low humidity condition by Kim, Jaeyeon, Kwon, Obeen, Yoo, Hongnyoung, Choi, Heesoo, Cha, Hyeonjin, Kim, Hyeok, Jeong, Seokhun, Shin, Myunggyu, Im, Dasom, Jeong, Youngjin, Park, Taehyun

“…Carbon nanotubes (CNT) based nanoporous layer contacting the catalyst layer in polymer electrolyte membrane fuel cells (PEMFCs) is investigated. Nanoporous…”
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Cathodic nanoporous CNT functional interlayer as a performance and durability boosting agent for proton exchange membrane fuel cells to operable at 120 °C by Kwon, Obeen, Kim, Jaeyeon, Yoo, Hongnyoung, Choi, Heesoo, Cha, Hyeonjin, Kim, Gyosik, Kim, Hyeok, Jeong, Seokhun, Im, Dasom, Jeong, Youngjin, Park, Taehyun

“…In proton exchange membrane fuel cells (PEMFCs), securing sufficient hydration in perfluorosulfonic acid (PFSA) membrane is considered an indicator of…”
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The Halo Effect and Social Evaluation: How Organizational Status Shapes Audience Perceptions on Corporate Environmental Reputation by Park, Sangchan, Yang, Daegyu, Cha, Hyeonjin, Pyeon, Seobin

“…Although firms generally strive to enhance social evaluations, scholars have noted that such evaluations may not completely reflect actual performance of the…”
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Carbon nanotube‐deposited layer on cathodic catalyst layer in polymer electrolyte membrane fuel cell for enhanced performance in low humidity condition by Jeong, Seokhun, Kwon, Obeen, Kim, Jaeyeon, Yoo, Hongnyoung, Cha, Hyeonjin, Choi, Heesoo, Kim, Hyeok, So, Younho, Park, Taehyun

“…Summary An ultrathin layer composed of carbon nanotubes (CNTs) was deposited on the cathodic catalyst layer to boost performance of polymer electrolyte…”
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