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[CB-0004] Assembly of chromosome-level genome to accelerate octoploid strawberry breeding
Koeun Han(Koeun Han),Sun Yi Lee(Sun Yi Lee),Jinhee Kim(Jinhee Kim),Hye-Eun Lee(Hye-Eun Lee),Jinkwan Jo(Jinkwan Jo),Eun Su Lee(Eun Su Lee),Byoung-Cheorl Kang(Byoung-Cheorl Kang),Do-Sun Kim(Do-Sun Kim) 한국육종학회 2022 한국육종학회 공동학술발표집 Vol.2022 No.-
Lee, Yongwon,Lee, Jaegi,Lee, Jeongmin,Kim, Koeun,Cha, Aming,Kang, Sujin,Wi, Taeung,Kang, Seok Ju,Lee, Hyun-Wook,Choi, Nam-Soon American Chemical Society 2018 ACS APPLIED MATERIALS & INTERFACES Vol.10 No.17
<P>Sodium (Na) metal anodes with stable electrochemical cycling have attracted widespread attention because of their highest specific capacity and lowest potential among anode materials for Na batteries. The main challenges associated with Na metal anodes are dendritic formation and the low density of deposited Na during electrochemical plating. Here, we demonstrate a fluoroethylene carbonate (FEC)-based electrolyte with 1 M sodium bis(fluorosulfonyl)imide (NaFSI) salt for the stable and dense deposition of the Na metal during electrochemical cycling. The novel electrolyte combination developed here circumvents the dendritic Na deposition that is one of the primary concerns for battery safety and constructs the uniform ionic interlayer achieving highly reversible Na plating/stripping reactions. The FEC-NaFSI constructs the mechanically strong and ion-permeable interlayer containing NaF and ionic compounds such as Na<SUB>2</SUB>CO<SUB>3</SUB> and sodium alkylcarbonates.</P> [FIG OMISSION]</BR>
Lee, Yongwon,Lee, Tae Kyung,Kim, Saehun,Lee, Jeongmin,Ahn, Youngjun,Kim, Koeun,Ma, Hyeonsu,Park, Gumjae,Lee, Sang-Min,Kwak, Sang Kyu,Choi, Nam-Soon Elsevier 2020 Nano energy Vol.67 No.-
<P><B>Abstract</B></P> <P>Li metal anodes and Ni-rich layered oxide cathodes with high reversible capacities are promising candidates for the fabrication of high energy density batteries. However, low Coulombic efficiency, safety hazards from likely vertical Li growth, and morphological instability of Ni-rich cathodes hinder the practical applications of these electrodes. Here, we report that fluorinated compounds can be employed as interface modifiers to extend the applicable voltage range of ether-based electrolytes, which have been used specifically so far for lithium metal batteries with charging cut-off voltages lower than 4 V (vs. Li/Li<SUP>+</SUP>). A complementary electrolyte design using both 1,1,2,2-tetrafluoroethyl-2,2,3,3-tetrafluoropropyl ether and fluoroethylene carbonate in concentrated ether-based electrolytes significantly improves the capacity retention (99.1%) in a Li|LiNi<SUB>0.8</SUB>Co<SUB>0.1</SUB>Mn<SUB>0.1</SUB>O<SUB>2</SUB> full cell, with a high Coulombic efficiency of 99.98% after 100 cycles at 25 °C. Thus, the modified electrolyte system is promising for addressing the reductive and oxidative decompositions of labile ether-based electrolytes in high energy density Li metal batteries with Ni-rich cathodes.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Ether-based electrolyte formulation for 4V-class Li metal batteries is presented. </LI> <LI> FEC and TTE are employed as the electrode–electrolyte interface modifiers. </LI> <LI> Fluorine-enriched interfaces enable high-performance Li metal batteries. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
이고은(Koeun Lee),이명연(Myeongyeon Lee),이제호(Jae-ho Lee) Asia association of Disability and Oral health 2017 대한장애인치과학회지 Vol.13 No.1
Patients with cerebral palsy have higher risk of traumatic dental injuries because of clinical characteristics, such as, ataxia, large overjet and lip incompetency. Especially, intrusive luxation has rare occurrence but higher incidence of complications. It can be treated by expecting re-eruption, orthodontic reposition, and surgical reposition. Clinicians should be aware of management and follow-up in dealing with cerebral palsy patients who are exposed by intrusive luxation, due to their involuntary movement. This case report describes a 9-year-old male patient with cerebral palsy and epilepsy who experienced intrusion of maxillary permanent central incisor. After one-month follow-up, waiting for spontaneous eruption, pulp necrosis on maxillary permanent central incisor had proceeded. Therefore, surgical reposition with resin wire splint and apexification was performed under conscious sedation with midazolam. After two months, removal of resin wire splint was done. Gutta percha filling and composite resin restoration were performed after sixteen months. During five-year follow-up ankylosis and partial root resorption were observed. But there was no significant complications.