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Park, Sanggyu 한국응용생명화학회 2000 Journal of Applied Biological Chemistry (J. Appl. Vol.43 No.1
To understand the signal transduction pathway that leads to the activation of the wound-inducible proteinase inhibitor II (pin2) promoter. $F_2$ progenies of wound (-) mutant crossed with wild-type Arabidopsis plants were biochemically and genetically characterized. Wound (-) mutant was derived from transgenic Arabidopsis plants containing bacterial cytosine deaminase gene under the control of pin2 promoter. The cytosine deaminase assays indicated that wound (-) mutant is a dominant inhibitor of wound-inducibility as only 3 of the $20F_2$ progenies showed cytosine deaminase (CDase) activity, To construct a structural map of the wound (-) mutant chromosomal regions, cleaved, amplified polymorphic sequences (CAPS) markers that cover all Chromosomes were used. Chromosomal regions covered by three different CAPS markers could be candidates for further fine mapping of the location of the wound (-) mutation. g4026, RGA1 and ASA1 located at 84.9 on recombinant inbred (RI) map of chromosome I, at 1.75 on RI map of chromosome II, and 18.35 on RI map of chromosome V, respectively.
중독자의 심리와 회복에 대한 영성의 역할 - 호흡과 자기사랑을 중심으로
박상규(Park, SangGyu) 한국동서정신과학회 2022 동서정신과학 Vol.25 No.1
본 연구의 목적은 중독자의 회복에서 호흡과 자기사랑을 중심으로 한 영성의 역할을 탐색하는 것이었다. 불안, 공포와 같은 부정적 정서는 중독과 밀접한 관계를 가지며, 아동기에 부모나 다른 중요한 주변인들로부터 사랑받지 못한 경험에서 기인할 수 있다. 중독자는 부정과 투사, 합리화 등의 방어기제를 사용하고 중독 대상들에 몰두함으로써 이러한 부정적 정서를 회피하려 한다. 중독자가 경험하는 부정적 정서는 불편한 호흡으로 이어진다. 하지만 중독자가 자신의 호흡을 주시하면서 편안한 호흡을 되찾는다면 부정적 정서가 완화되고 회복이 잘 유지될 수 있다. 이는 호흡과 자기사랑이 중독에 대한 효과적인 영성적 개입 표적이 될 수 있음을 시사한다. This study aimed to explore the role of spirituality centered on breathing and self-love on the recovery of addicts. Negative emotions such as anxiety and fear are closely related to addiction and can result from experiences that were not loved by parents or other important people in childhood. Addicts try to avoid the negative emotions by using defense mechanisms such as denial, projection, and rationalization and being immersed in the subjects of addiction. The negative emotions experienced by addicts lead to uncomfortable breathing. On the contrary, if addicts regain comfortable breathing while paying attention to their breathing, negative emotions can be relaxed and recovery can be well maintained. The study suggests that breathing and self-love can be effective spiritual intervention.
Soo-Yeong Park,Hee Kyoung Lim,Seogjae Lee,Somi Kim Cho,Sanggyu Park,조문제 한국응용생명화학회 2011 Applied Biological Chemistry (Appl Biol Chem) Vol.54 No.5
Red variants of S. japonicus show unique ecological characteristics and are indigenous to Jeju Island in South Korea. Various biological activities of red sea cucumber extracts (RSCEs) were evaluated. In comparison with positive controls, anti-oxidant activity of RSCEs was very low. In HL-60 and HT-29 cells, chloroform and ethyl acetate (EtOAc) fractions showed higher than 80 and 60% growth inhibition, respectively. Nuclear condensation and increased pro-apoptotic signaling revealed that RSCEs triggered apoptosis. EtOAc fractions also showed strong anti-inflammatory effects at sub-lethal concentrations in lipolysaccharide-stimulated RAW264.7 cells and suppressed more than 90% of nitric oxide (NO) and prostaglandin 2 productions at 50 μg/mL by inhibiting inducible NO synthase and cydooxygenase-2. Water-soluble fractions showed good antibacterial effects against Staphylococcus aureus and Staphylococcus epidermidis.
A Multi-core Based Real-time Scheduler Supporting Periodic and Sporadic Threads and Processes
Sanggyu Kim,Hong Seong Park 제어·로봇·시스템학회 2023 International Journal of Control, Automation, and Vol.21 No.9
This paper proposes, implements, and verifies a multicore real-time scheduler (MCRT scheduler) for periodic and sporadic threads and processes, and non-real-time processes where periodic and sporadic (or eventdriven) processes are processed according to real-time characteristics such as limited periods and deadlines. Using the Xenomai and Linux operating systems, the proposed MCRT scheduler was implemented and verified through various test cases designed for multicore operations. The proposed MCRT scheduler generates scheduling tables for periodic and sporadic threads and processes, based on which they are executed during the basic period. The MCRT scheduler was verified using several examples.
PbS Quantum Dot Solar Cells Integrated with Sol–Gel-Derived ZnO as an n-Type Charge-Selective Layer
Park, Hye-Yun,Ryu, Ilhwan,Kim, Jinhyun,Jeong, Sohee,Yim, Sanggyu,Jang, Sung-Yeon American Chemical Society 2014 The Journal of Physical Chemistry Part C Vol.118 No.31
<P>ZnO thin films fabricated by a low-temperature sol–gel conversion method (L-ZnO) were employed as n-type electron-transporting layers (ETLs) in depleted-heterojunction quantum dot solar cells (DH-QDSCs). Thin films of PbS (∼200 nm) fabricated by spin-coating a colloidal PbS QD solution layer by layer were used as the p-type photoactive layers. The L-ZnO films functioned as efficient n-type ETLs by fully completely depleting the PbS active layers, and they displayed performances much higher than those of conventional ZnO nanoparticle-based ETLs. The morphologies and chemical compositions of the L-ZnO ETLs varied with the annealing conditions. These factors, in turn, had a marked effect on the charge-transfer characteristics at the L-ZnO/PbS interfaces of the DH-QDSCs. The power conversion efficiency (PCE) of the DH-QDSCs using the optimized L-ZnO films as ETLs was 3.93%, with the fill factor (FF) being 0.60, whereas the PCE of the cells using the ZnO nanoparticle-based films was 1.62%, with the FF being 0.53. Thus, the sol–gel-derived L-ZnO films, which could be fabricated using a simple, low-temperature, solution-based process, exhibited desirable performance as ETLs in DH-QDSCs.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jpccck/2014/jpccck.2014.118.issue-31/jp504156c/production/images/medium/jp-2014-04156c_0006.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/jp504156c'>ACS Electronic Supporting Info</A></P>