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Yejee Park,Min-Jae Jang,김준모 한국동물유전육종학회 2022 한국동물유전육종학회지 Vol.6 No.4
Understanding the biological phenomena encoded through the genome is important. Therefore, it is possible to identify the genes of each organism and infer the characteristics and similarities of each other through the genomic analysis. RNA-seq is a representative method among methods for comparing gene expression levels through transcriptome analysis. It is accompanied by next generation sequencing (NGS) and enables highly quantitative and wide-range precise measurement. A representative research method that includes whole genome contents is to construct a biological map. Using the atlas, it is possible to conduct research that includes all comprehensive genetic information to identify specific locations where genes are expressed through gene location mapping. In addition, by identifying the correlation between the gene and the biomarker in the network, select a significant biomarker and functional analysis could be performed. Endocrine disruptors cause diseases by disrupting endocrine function in the body. Bisphenol A, a representative endocrine disruptor, is most permeated in daily life, threatening human health, obesity and spermatogenesis. This review focuses on transcriptome profiling and genomic atlas construction that can provide comprehensive biological insights in animal genetics studies and information of endocrine disrupting chemicals.
강현식,김기천,Youngjin Han,Juho Park,Yejee Park,Mijung Park,Kyunghwa Kim,Younggun Rim 한국정보과학회 2003 한국정보과학회 학술발표논문집 Vol.30 No.2Ⅲ
본 논문에서는 인터넷 환경의 발전으로 인한 휴대폰 및 PDA등의 문자 입력이 느린 단말기를 위하여 기존의 문자열로 되어 있는 DNS와 현재 개발 및 상용화가 이루어 지고 있는 화상인식 URI서비스를 분석하여 보고 기존의 화상인식 URI가 가지고 있는 문제점인 DNS와의 호환을 통하여 적합한 화상인식 URI와 서비스 환경을 제시한다.
Detailed Balance of Thermalization Dynamics in Rydberg-Atom Quantum Simulators
Kim, Hyosub,Park, YeJe,Kim, Kyungtae,Sim, H.-S.,Ahn, Jaewook American Physical Society 2018 Physical Review Letters Vol.120 No.18
<P>Dynamics of large complex systems, such as relaxation towards equilibrium in classical statistical mechanics, often obeys a master equation that captures essential information from the complexities. Here, we find that thermalization of an isolated many-body quantum state can be described by a master equation. We observe sudden quench dynamics of quantum Ising-likc models implemented in our quantum simulator, defect-free single-atom tweezers in conjunction with Rydberg-atom interaction. Saturation of their local observables, a thermalization signature, obeys a master equation experimentally constructed by monitoring the occupation probabilities of prequench states and imposing the principle of the detailed balance. Our experiment agrees with theories and demonstrates the detailed balance in a thermalization dynamics that does not require coupling to baths or postulated randomness.</P>
Remediation of heavy metal-contaminated soils using eco-friendly nano-scale chelators
Lim, Heejun,Park, Sungyoon,Yang, Jun Won,Cho, Wooyoun,Lim, Yejee,Park, Young Goo,Kwon, Dohyeong,Kim, Han S. Techno-Press 2018 Membrane water treatment Vol.9 No.3
Soil washing is one of the most frequently used remediation technologies for heavy metal-contaminated soils. Inorganic and organic acids and chelating agents that can enhance the removal of heavy metals from contaminated soils have been employed as soil washing agents. However, the toxicity, low removal efficiency and high cost of these chemicals limit their use. Given that humic substance (HS) can effectively chelate heavy metals, the development of an eco-friendly, performance-efficient and cost-effective soil washing agent using a nano-scale chelator composed of HS was examined in this study. Copper (Cu) and lead (Pb) were selected as target heavy metals. In soil washing experiments, HS concentration, pH, soil:washing solution ratio and extraction time were evaluated with regard to washing efficiency and the chelation effect. The highest removal rates by soil washing (69% for Cu and 56% for Pb) were achieved at an HS concentration of 1,000 mg/L and soil:washing solution ratio of 1:25. Washing with HS was found to be effective when the pH value was higher than 8, which can be attributed to the increased chelation effect between HS and heavy metals at the high pH range. In contrast, the washing efficiency decreased markedly in the low pH range due to HS precipitation. The chelation capacities for Cu and Pb in the aqueous phase were determined to be 0.547mmol-Cu/g-HS and 0.192mmol-Pb/g-HS, respectively.