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Roh Hyun Woong,Kim Na-Rae,이동기,Cheong Jae-Youn,Seo Sang Won,Choi Seong Hye,Kim Eun-Joo,Cho Soo Hyun,Kim Byeong C.,Kim Seong Yoon,Kim Eun Young,Chang Jaerak,Lee Sang Yoon,Yoon Dukyong,Choi Jin Wook,An Y 대한신경정신의학회 2022 PSYCHIATRY INVESTIGATION Vol.19 No.2
Objective We aimed to present the study design and baseline cross-sectional participant characteristics of biobank innovations for chronic cerebrovascular disease with Alzheimer’s disease study (BICWALZS) participants.Methods A total of 1,013 participants were enrolled in BICWALZS from October 2016 to December 2020. All participants underwent clinical assessments, basic blood tests, and standardized neuropsychological tests (n=1,013). We performed brain magnetic resonance imaging (MRI, n=817), brain amyloid positron emission tomography (PET, n=713), single nucleotide polymorphism microarray chip (K-Chip, n=949), locomotor activity assessment (actigraphy, n=200), and patient-derived dermal fibroblast sampling (n=175) on a subset of participants.Results The mean age was 72.8 years, and 658 (65.0%) were females. Based on clinical assessments, total of 168, 534, 211, 80, and 20 had subjective cognitive decline, mild cognitive impairment (MCI), Alzheimer’s dementia, vascular dementia, and other types of dementia or not otherwise specified, respectively. Based on neuroimaging biomarkers and cognition, 199, 159, 78, and 204 were cognitively normal (CN), Alzheimer’s disease (AD)-related cognitive impairment, vascular cognitive impairment, and not otherwise specified due to mixed pathology (NOS). Each group exhibited many differences in various clinical, neuropsychological, and neuroimaging results at baseline. Baseline characteristics of BICWALZS participants in the MCI, AD, and vascular dementia groups were generally acceptable and consistent with 26 worldwide dementia cohorts and another independent AD cohort in Korea.Conclusion The BICWALZS is a prospective and longitudinal study assessing various clinical and biomarker characteristics in older adults with cognitive complaints. Details of the recruitment process, methodology, and baseline assessment results are described in this paper.
Lee, Sang-Kyu,Song, Min-Young,Seo, Young-Su,Kim, Hye-Kyung,Ko, Seho,Cao, Pei-Jian,Suh, Jung-Pil,Yi, Gihwan,Roh, Jae-Hwan,Lee, Sichul,An, Gynheung,Hahn, Tae-Ryong,Wang, Guo-Liang,Ronald, Pamela,Jeon, J Genetics Society of America [etc.] 2009 Genetics Vol.181 No.4
<P>Rice blast, caused by the fungus Magnaporthe oryzae, is one of the most devastating diseases of rice. To understand the molecular basis of Pi5-mediated resistance to M. oryzae, we cloned the resistance (R) gene at this locus using a map-based cloning strategy. Genetic and phenotypic analyses of 2014 F2 progeny from a mapping population derived from a cross between IR50, a susceptible rice cultivar, and the RIL260 line carrying Pi5 enabled us to narrow down the Pi5 locus to a 130-kb interval. Sequence analysis of this genomic region identified two candidate genes, Pi5-1 and Pi5-2, which encode proteins carrying three motifs characteristic of R genes: an N-terminal coiled-coil (CC) motif, a nucleotide-binding (NB) domain, and a leucine-rich repeat (LRR) motif. In genetic transformation experiments of a susceptible rice cultivar, neither the Pi5-1 nor the Pi5-2 gene was found to confer resistance to M. oryzae. In contrast, transgenic rice plants expressing both of these genes, generated by crossing transgenic lines carrying each gene individually, conferred Pi5-mediated resistance to M. oryzae. Gene expression analysis revealed that Pi5-1 transcripts accumulate after pathogen challenge, whereas the Pi5-2 gene is constitutively expressed. These results indicate that the presence of these two genes is required for rice Pi5-mediated resistance to M. oryzae.</P>
A 12b 100 MS/s Three-Step Hybrid Pipeline ADC Based on Time-Interleaved SAR ADCs
Jun-Sang Park,Tai-Ji An,Suk-Hee Cho,Yong-Min Kim,Gil-Cho Ahn,Ji-Hyun Roh,Mun-Kyo Lee,Sun-Phil Nah,Seung-Hoon Lee 대한전자공학회 2014 Journal of semiconductor technology and science Vol.14 No.2
This work proposes a 12b 100 MS/s 0.11 μm CMOS three-step hybrid pipeline ADC for highspeed communication and mobile display systems requiring high resolution, low power, and small size. The first stage based on time-interleaved dualchannel SAR ADCs properly handles the Nyquist-rate input without a dedicated SHA. An input sampling clock for each SAR ADC is synchronized to a reference clock to minimize a sampling-time mismatch between the channels. Only one residue amplifier is employed and shared in the proposed ADC for the first-stage SAR ADCs as well as the MDAC of back-end pipeline stages. The shared amplifier, in particular, reduces performance degradation caused by offset and gain mismatches between two channels of the SAR ADCs. Two separate reference voltages relieve a reference disturbance due to the different operating frequencies of the front-end SAR ADCs and the back-end pipeline stages. The prototype ADC in a 0.11 μm CMOS shows the measured DNL and INL within 0.38 LSB and 1.21 LSB, respectively. The ADC occupies an active die area of 1.34 mm² and consumes 25.3 mW with a maximum SNDR and SFDR of 60.2 dB and 69.5 dB, respectively, at 1.1 V and 100 MS/s.
Chang-Sung Kang,An-Sung Roh 한국토양비료학회 2011 한국토양비료학회지 Vol.44 No.2
This survey was conducted to promote the environment-friendly use and recycling of livestock feces by obtaining information about the current state of livestock feces composts manufactured in Gyeonggi Province. Therefore, some aspects of quality and manufacturing techniques of livestock feces composts (LFCs) were examined especially in relation to the LFCs quality standard (LQS). By surveying the 70 composting plants in Gyeonggi Province, the total commercial production of LFCs in 2008 was estimated to be about 480,000 Mg year<SUP>-1</SUP> and they were manufactured mainly by using both mechanical mixer and bottom air blower. LFCs were composed mainly of chicken feces 29.2%, pig+chicken feces 23.1%, pig feces 20.0%, livestock feces+oil cake 12.3%, pig+chicken+cattle feces 10.8% and pig+cattle feces 4.6%. On the basis of the current official standard which was revised on March 2010, 11 composts out of surveyed 76 ones did not meet the LQS due to inadequate content of water (5), OM/N (1), NaCl (2) and Zn (3). The satisfaction rate to LQS by manufacturers was 100% in the composts produced by farmer’s cooperative societies, 80.7% by civil factories, and 44.4% by farming guilds, respectively. The OM/N declined by adding chicken feces and oil cake, while Ca content was increased by the addition of chicken feces and NaCl was increased by adding cattle feces.
Chang-Sung Kang,An-Sung Roh 한국토양비료학회 2012 한국토양비료학회지 Vol.45 No.1
To promote the practical use of livestock manure compost (LC) for paddy rice cultivation, the fertilization efficiency of nutrients in LCs was investigated compared to that of chemical fertilizer. This experiment was conducted at rice field in Hwaseong, Korea, with 6 treatments by each of 3 kinds of tested LCs, cattle manure compost (CaC), swine manure compost (SwC) and chicken manure compost (ChC). The treatments consisted of 3 application levels of LCs and 3 chemical fertilizer treatments having the same application levels with LCs. NH4-N content in soil became higher according to the increase in the urea application rate, while it became lower in LC plots than in urea plots, and statistically had no significant difference among LC plots. There was a close relationship between phosphate fertilization rate and the increment of soil available phosphate content after experiment resulting y = 0.1788x - 6.169 (R² = 0.9425) when applied fused superphosphate fertilizer, and y = 0.0662x - 2.689 (R² = 0.9315) when applied LC at the equivalent rates to phosphate input (x: phosphate application rate, kg ha<SUP>-1</SUP>, y: increment in soil available phosphate content, mg kg<SUP>-1</SUP>). And from these two equations, the correlation on the phosphate application rate between fused superphosphate fertilizer and LC could be obtained as y = 2.7056x - 52.492 (x: P2O5 application rate of fused superphosphate, kg ha<SUP>-1</SUP>, y: P2O5</SUB application rate of LC, kg ha<SUP>-1</SUP>). Plant height, number of tillers, nutrients uptake by rice, and rice yield showed higher levels in N 100% and N 150% application plots of chemical fertilizers, while every LC plots exhibited lower values and no significant difference among them. Relative nitrogen fertilization efficiencies of LCs compared to urea was 12.3% for CaC, 8.8 for SwC and 24.6 for ChC, respectively.
데이터마이닝 기법을 활용한 건축물 설계단계의 전과정 CO₂ 평가 SYSTEM 개발에 관한 연구
노승준(Roh Seung-Jun),태성호(Tae Sung-Ho),신성우(Shin Sung-Woo),백정훈(Baek Cheong-Hoon),이준서(Lee Jun-Seo),김대원(Kim Dae-Won),안장호(An Jang-Ho) 대한건축학회 2011 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.31 No.2(구조계)
This study has the purpose to development of life cycle CO₂ assessment system using data mining for various alternative assessment in building design phase. To this end, in the construction stage, the database of building structure material input quantities per unit volume based on real architectural design books were analyzed and constructed using existing research that CO₂ emission major construction materials. And, material quantity calculations and assessments of CO₂ emissions of internal and external were analyzed. In the operation stage, the CO₂ emission calculation method based on “Energy Consumption Survey” of Ministry of Knowledge Economy and “Building Energy Efficiency Rating System” of Korea Energy Management Corporation were deducted. In the dismantling/disposal stage, CO₂ emissions were calculated according to the fuel consumption database of dissolution equipment combinations.