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김수강,Kim, Su-Kang The Korea Internet of Things Society 2018 한국사물인터넷학회 논문지 Vol.4 No.2
본 연구에서는 ALK receptor tyrosine kinase (ALK) 유전자의 단일염기다형성이 뇌출혈의 발병에 관여하는 지를 연구하였다. 156명의 뇌출혈 환자와 425명의 정상인를 모집하였으며 네 개의 단일염기다형성에 대하여 상관성을 살펴보았다. 통계분석에서는 SNPstats, SPSS22.0, Haploview 프로그램을 활용하였다. Odd ratio, 95% 신뢰구간에서는 genotype 모델 및 allele 모델에서 계산하였다. 통계분석결과, rs1881421, rs1881420, rs3795850, rs2246745 의 단일염기다형성이 뇌출혈과 관련하여 유의성을 보였다. (rs1881421, OR=2.02, 95% CI=1.54-2.64, p<0.001; rs1881420, OR=0.53, 95% CI=1.16-2.01, p=0.003; rs3795850, OR=1.54, 95% CI=1.17-2.02, p=0.002; rs2246745, OR=1.95, 95% CI=1.46-2.60, p<0.001 in each allele analysis). CC, GT, and GC haplotypes 빈도 역시 유의성을 보였다. 네 개의 단일염기다형성의 minor allele 가 뇌출혈의 발병을 증가시키는데 기여하였다. 이러한 연구 결과는 ALK 유전자가 뇌출혈의 위험성과 관련 있음을 시사한다. I investigated that ALK receptor tyrosine kinase (ALK) gene polymorphisms were contributed to susceptibility to ICH in Korean population. I recruited 156 ICH patients and 425 healthy controls for this study, respectively. rs1881421, rs1881420, rs3795850, and rs2246745 single nucleotide polymorphisms (SNPs) were genotyped. The genotype and allele distributions of tested four SNPs was analyzed using the SNPStats, SPSS 22.0, and the Haploview v.4.2 software. The Odd's ratios (OR), 95% confidence intervals (CI), and P values were calculated in allele and genotype models. I found that rs1881421, rs1881420, rs3795850, and rs2246745 SNPs of ALK gene (rs1881421, OR=2.02, 95% CI=1.54-2.64, p<0.001; rs1881420, OR=0.53, 95% CI=1.16-2.01, p=0.003; rs3795850, OR=1.54, 95% CI=1.17-2.02, p=0.002; rs2246745, OR=1.95, 95% CI=1.46-2.60, p<0.001 in each allele analysis). And distributions of CC, GT, and GC haplotypes between the ICH group and the control group also showed significant association with ICH (CC haplotype, p<0.001; GT haplotype, p=0.006; GC haplotype, p<0.001). These minor alleles of tested four SNPs in ALK gene were contributed to increased risk of development for ICH. Our findings suggested that the ALK gene may be a risk factor for susceptibility to ICH.The Korea Internet of Things Society.
ABS와 PS 혼합(混合) 폐플라스틱 재질분리(材質分利)를 위한 마찰하전형정전선별(摩擦荷電型靜電選別) 기술개발(技術開發)
이은선,백상호,김수강,최우진,진호일,전호석,Lee, Eun-Seon,Baek, Sang-Ho,Kim, Su-Kang,Choi, Woo-Zin,Chin, Ho-Ill,Jeon, Ho-Seok 한국자원리싸이클링학회 2013 資源 리싸이클링 Vol.22 No.6
다양한 분야에 사용되고 있는 플라스틱은 최근 환경문제가 대두되면서 재활용 이슈가 부각되고 있다. 본 연구에서는 마찰하전형정전선별을 적용하여 ABS(Acrylonitrile Butadiene Styrene)와 PS(Polystyrene)의 혼합된 폐플라스틱으로부터 ABS를 회수하기 위한 재질분리 연구를 수행하였다. 하전물질의 재질선정을 위한 하전특성연구결과, ABS재질이 대상시료인 ABS와 PS의 혼합 폐플라스틱의 재질분리에 효과적인 하전재질로 확인되었다. 선정된 하전물질을 적용하여 마찰하전형정전선별을 수행한 결과, 공급전압세기 20 kV, 분리대위치 양극방향 2 cm 그리고 상대습도 30%에서 ABS의 품위와 회수율이 각각 99.5%와 92.5%인 결과를 얻어, ABS와 PS의 혼합 플라스틱의 재활용을 위한 재질분리 기술을 확립하였다. Due to the environmental problem caused by plastics largely used in various fields, the importance of recycling is being emphasized. A research on material separation of ABS and PS mixed plastic waste, using a triboelectrostatic separator, was carried out for recovery the ABS. As a results of research on charging characteristic for choosing charging material, it was confirmed that ABS was optimum charging material for a tribo-charger in the material separation of ABS and PS. In the material separation using ABS charger, ABS grade of 99.5% and recovery of 92.5% were achieved at 20 kV, splitter position +2 cm from the center and 30% relative humidity. Therefore, material separation technique for recycling ABS and PS mixed plastic waste was established.
한국인 기관지 천식 허증(虛證), 실증(實證) 환자와 EDN1 유전자 다형성과의 상관성 연구
염유림,김관일,백현정,김미아,이범준,김진주,김수강,정주호,정희재,정승기,Yoem, Yu-rim,Kim, Kwan-il,Baek, Hyun-jung,Kim, Mi-a,Lee, Beom-joon,Kim, Jin-ju,Kim, Su-kang,Chung, Joo-ho,Jung, Hee-jae,Jung, Sung-ki 대한한방내과학회 2016 大韓韓方內科學會誌 Vol.37 No.1
Objectives: In the present study, a genetic analysis was conducted to investigate the association of the expression of SNPs of EDN1 gene polymorphism with the clinical phenotype in bronchial asthma patients with either excess or deficiency syndrome.Methods: Ninety-four healthy control subjects and 52 asthma patients were included in this study. The asthma patients were divided into two groups: those with deficiency syndrome and those with excess syndrome. We searched the exonic and promoter areas of the EDN1 gene in the NCBI website SNPs with <0.01 minor allele frequency (MAF) and <0.01 heterozygosity. Pro programs were performed to obtain the odds ratio, 95% confidence interval, and p-value. Multiple logistic regression models were conducted to analyze the genetic data.Results: In our genotype and allele analyses, there were significant differences in the codominant 2 model of the rs3087459 SNP genotype and also in the CGG haplotype between the control group and the asthma group. Genotype and allele analyses were conducted between the deficiency and excess syndrome group. There were significant differences in the dominant and log-additive model and also in the frequency of C-alleles of rs3087459 SNP genotype. There were significant differences in codominant 1, dominant and log-additive model and T-allele of rs5370 SNP genotype. The AGG haplotype also revealed significant differences.Conclusions: EDN1 SNPs (rs3087459, rs5370) showed a significant association with symptomatic excess syndrome in Korean asthmatic patients.