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Jinha Shin,Hyunjae Park,Yongsup Choi 한국진공학회 2021 한국진공학회 학술발표회초록집 Vol.2021 No.2
In this study, MoS<sub>2</sub> combined CNW electrodes for supercapacitor application were fabricated to improve the electrochemical capacitive properties using hydrogen introduced remote ECR plasma without heating system. The source of MoS<sub>2</sub> was prepared from ATTM. The results revealed that crystallization of ATTM to MoS<sub>2</sub> can be achieved by hydrogen radicals without heating system. Enhancement of specific capacitance was achieved by MoS<sub>2</sub> synthesis on CNW structure from 2.6 mFcm at pristine CNW electrode to 3.3, 5.8 and 8.5 mFcm<sup>-2</sup> depending on MoS<sub>2</sub> concentration.
Social Value from Social Enterprise: An Incentive Design
Jinha Park,Euncheol Shin 한국계량경제학회 2021 JOURNAL OF ECONOMIC THEORY AND ECONOMETRICS Vol.32 No.2
We build a model of social enterprise that shows how social planners incentivize for-profit firms to pursue social welfare maximization. In our model, there is a social planner who provides an incentive program for an entrant firm to be a social enterprise. The amount of subsidy given to the social enterprise is proportional to the difference of a reference price and the price set by the entrant. The entrant firm decides whether to participate in the incentive program and maximize social welfare or to compete with an incumbent firm without any subsidy from the social planner. Several results emerge from our analysis. First, we identify conditions under which the entrant firm has an incentive to maximize social welfare by receiving the subsidy. The degree of such an incentive increases as the market size increases or the incumbent sells a low quality product. If the incentive program has the incumbent’s monopolistic price as the reference price, it is more efficient than if the program has a competitive price as the reference price.
Design, synthesis and cellular metabolism study of 4'-selenonucleosides.
Yu, Jinha,Sahu, Pramod K,Kim, Gyudong,Qu, Shuhao,Choi, Yoojin,Song, Jayoung,Lee, Sang Kook,Noh, Minsoo,Park, Sunghyouk,Jeong, Lak Shin Future Science 2015 Future medicinal chemistry Vol.7 No.13
<P>4'-seleno-homonucleosides were synthesized as next-generation nucleosides, and their cellular phosphorylation was studied to confirm the hypothesis that bulky selenium atom can sterically hinder the approach of cellular nucleoside kinase to the 5'-OH for phosphorylation.</P>
Yu, Jinha,Ahn, Seyeon,Kim, Hee Jin,Lee, Moonyoung,Ahn, Sungjin,Kim, Jungmin,Jin, Sun Hee,Lee, Eunyoung,Kim, Gyudong,Cheong, Jae Hoon,Jacobson, Kenneth A.,Jeong, Lak Shin,Noh, Minsoo American Chemical Society 2017 Journal of medicinal chemistry Vol.60 No.17
<P>A(3) adenosine receptor (AR) ligands including A(3) AR agonist, N-6-(3-iodobenzyl)adenosine-5'-N-methyluronamide (1a, IB-MEGA) were examined for adiponectin production in human bone marrow mesenchymal stem cells (hBM-MSCs). In this model, 1a significantly increased adiponectin production, which is associated with improved insulin sensitivity. However, A(3) AR antagonists also promoted adiponectin production in hBM-MSCs, indicating that the A(3) AR pathway may not be directly involved in the adiponectin promoting activity. In a target deconvolution study, their adiponectin-promoting activity was significantly correlated to their binding activity to both peroxisome proliferator activated receptor (PPAR) gamma and PPAR delta. They functioned as both PPAR gamma partial agonists and PPAR delta antagonists. In the diabetic mouse model, la and its structural analogues A(3) AR antagonists significantly decreased the serum levels of glucose and triglyceride, supporting their antidiabetic potential. These findings indicate that the polypharmacophore of these compounds may provide therapeutic insight into their multipotent efficacy against various human diseases.</P>