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Induction of apoptosis by deinoxanthin in human cancer cells.
Choi, Yong-Ji,Hur, Jung-Mu,Lim, Sangyong,Jo, Minho,Kim, Dong Ho,Choi, Jong-Il Potamitis Press 2014 Anticancer research Vol.34 No.4
<P>Deinoxanthin is unique carotenoid isolated from the radioresistant bacterium Deinococcus radiodurans. In the present study, the induction of apoptosis of cancer cells by deinoxanthin was investigated.</P>
3D Macroporous Graphene Frameworks for Supercapacitors with High Energy and Power Densities
Choi, Bong Gill,Yang, MinHo,Hong, Won Hi,Choi, Jang Wook,Huh, Yun Suk American Chemical Society 2012 ACS NANO Vol.6 No.5
<P>In order to develop energy storage devices with high power and energy densities, electrodes should hold well-defined pathways for efficient ionic and electronic transport. Herein, we demonstrate high-performance supercapacitors by building a three-dimensional (3D) macroporous structure that consists of chemically modified graphene (CMG). These 3D macroporous electrodes, namely, embossed-CMG (e-CMG) films, were fabricated by using polystyrene colloidal particles as a sacrificial template. Furthermore, for further capacitance boost, a thin layer of MnO<SUB>2</SUB> was additionally deposited onto e-CMG. The porous graphene structure with a large surface area facilitates fast ionic transport within the electrode while preserving decent electronic conductivity and thus endows MnO<SUB>2</SUB>/e-CMG composite electrodes with excellent electrochemical properties such as a specific capacitance of 389 F/g at 1 A/g and 97.7% capacitance retention upon a current increase to 35 A/g. Moreover, when the MnO<SUB>2</SUB>/e-CMG composite electrode was asymmetrically assembled with an e-CMG electrode, the assembled full cell shows remarkable cell performance: energy density of 44 Wh/kg, power density of 25 kW/kg, and excellent cycle life.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/ancac3/2012/ancac3.2012.6.issue-5/nn3003345/production/images/medium/nn-2012-003345_0008.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/nn3003345'>ACS Electronic Supporting Info</A></P>
OBSERVATIONS OF CO J = 2 $\to$ 1 AND 3 $\to$ 2 LINES TOWARD EXTREMELY HIGH VELOCITY OUTFLOWS
CHOI MINHO The Korean Astronomical Society 1996 Journal of The Korean Astronomical Society Vol.29 No.suppl1
We observed CO J = 2 $\to$ 1 and J = 3 $\to$ 2 lines toward several star formation regions with extremely high velocity (EHV) outflows: W3 IRS5, W28 A2, GL2591, S140, and Cepheus A. The full width of the wings are 90-235 km $s^{-1}$. Some wings show clear break of slope in the line profile implying that the nature of the EHV outflow is different from that of the high velocity outflow. We suggest that the EHV CO wing emission is tracing CO molecules in the stellar wind or jet which drives the high velocity outflow.