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Effects of Calcium Aluminate Compounds on Hydration of BFS
Song, Hyeon-jin,Kang, Seung-Min,Jeon, Se-Hoon,Kim, Jung-Won,Song, Myong-Shin The Korean Ceramic Society 2015 한국세라믹학회지 Vol.52 No.6
Blast furnace slag(BFS) is well known for its hardening mechanism in ordinary Portland cement with alkali activation due to its latent hydraulic property. The possibility of using calcium compound as activator for BFS has been investigated in this study. The hydration properties of calcium compound activated BFS binders were explored using heat of hydration, powder X-ray diffraction and compressive strength testing. Heat of hydration results indicate that the hydration heat of BFS is lower than OPC paste by about 50%. And ettringite as hydration product was formed continuously as the calcium sulfate was decreased. The maximum compressive strength of hardened BFS mortar at 28 days is confirmed to be 83% as compared with hardened OPC mortar.
쇼트트랙 스케이팅과 스피드 스케이팅 선수의 신체구성 체력 및 등속성 근기능의 비교
신용석(Shin, Yong-Seok),박현(Park, Hyon),류재균(Ryu, Jae-Kyun),정현철(Jung, Hyun-Chul),강효정(Kang, Hyo-Jung),정성우(Jung, Sung-Woo),서명원(Seo, Myong-Won),김성우(Kim, Sung-Woo),오용석(Oh, Yong-Seok),송종국(Song, Jong-Kook) 한국체육과학회 2015 한국체육과학회지 Vol.24 No.6
The aim of the study was to compare body composition, physical fitness and isokinetic strength between short-track and speed skaters. The subjects who participated in this study were 33 short-track skaters and 21 speed skaters who were enrolled in Korea Ice Skate Association in 2014. Anthropometric measurements included body height and body weight. Body composition was measured by DXA. Physical fitness tests included sit and reach, grip strength, sit-ups, standing long jump and 50m shuttle run. Aerobic and anaerobic capacity were also measured. Isokinetic muscular strength was measured by Cybex 770. The results of the study indicated that anaerobic fatigue(p<.05), muscular endurance(p<.05) in short-track skaters was significantly greater than in speed skaters. 50m shuttle run(p<.05) in speed skaters was significantly greater than short-track skaters. However, no differences could be obtained in body composition, sit and reach, grip strength, sit-ups, standing long jump and aerobic capacity between the two groups. This may have implications for training and performance both in short-track and speed skating.
Efficacy and Tolerability of Generic Mirtazapine (Mirtax) for Major Depressive Disorder:
Hoo Rim Song,Won Myong Bahk,Young Sup Woo,Jong Hyun Jeong,Young Joon Kwon,Jeong Seok Seo,Won Kim,Moon Doo Kim,Young Chul Shin,Sang Yeol Lee,Kyung Joon Min 대한정신약물학회 2015 CLINICAL PSYCHOPHARMACOLOGY AND NEUROSCIENCE Vol.13 No.2
Objective: Mirtax is a generic mirtazapine widely used since 2003. We conducted an open-label, uncontrolled 6-week study to evaluate the efficacy and safety of Mirtax for major depressive disorder (MDD). Methods: Ninety three MDD patients with the diagnosis of MDD and 17-item Hamilton Depression Rating Scale (HDRS) score ≥14 were recruited. The HDRS, Montgomery-Åsberg Depression Rating Scale (MADRS), and the Clinical Global Impressions-Severity Scale (CGI-S) were administered at baseline, 1, 2, 4 and 6 weeks. Response (≥50% decrease in the HDRS or MADRS score), remission (absolute HDRS score ≤7 or MADRS score ≤10) and CGI-I score ≤2 were also calculated. Adverse event (AE) frequency and severity, weight, blood pressure, and pulse rate were checked to assess safety. Results: The starting dosage was 11.5±6.4 mg/day, and the maintenance dosage was 23.1±9.4 mg/day. During 6 weeks, HDRS, MADRS and CGI-S scores decreased from 25.1±5.6 to 11.9±8.6 (mean change –13.1±8.3, p<0.001), from 30.2±6.3 to 13.73±10.40 (mean change –16.5±9.8, p<0.001), and from 5.0±0.8 to 2.5±1.3 (mean change –2.5±1.3, p<0.001), respectively. The percentages of responders, remitters by HDRS and patients with a CGI-I score ≤2 were 64.6%, 35.4% and 52.7%, respectively. Significant decreases in HDRS, MADRS and CGI-S scores were confirmed at week 1. The total rate of AEs was 32.3%; the most frequently reported AEs were sedation (4.3%) and constipation (4.3%). Weight was increased from 58.8±10.6 to 60.3±9.3 kg (mean change 0.7±1.7 kg, p=0.004). Conclusion: This study, as the first clinical trial of generic mirtazapine, demonstrated the efficacy and tolerability of Mirtax for MDD using a single treatment design.
Kim Hwa-Sook,Song Soo Keun,Yoo So Young,Jin Dong Chun,Shin Hwan Seon,Lim Chae Kwang,Kim Myong Soo,Kim Jin-Soo,Choe Son-Jin,Kook Joong-Ki The Microbiological Society of Korea 2005 The journal of microbiology Vol.43 No.4
The objective of this study was to assess the strain-specificity of a DNA probe, Fu12, for Fusobacterium nucleatum subsp. nucleatum ATCC $25586^T$ (F. nucleatum ATCC $25586^T$), and to develop sets of strain-specific polymerase chain reaction (PCR) primers. Strain-specificity was tested against 16 strains of F. nucleatum and 3 strains of distinct Fusobacterium species. Southern blot hybridization revealed that the Fu12 reacted exclusively with the HindIII-digested genomic DNA of F. nucleatum ATCC $25586^T$. The results of PCR revealed that three pairs of PCR primers, based on the nucleotide sequence of Fu12, generated the strain-specific amplicons from F. nucleatum ATCC $25586^T$. These results suggest that the DNA probe Fu12 and the three pairs of PCR primers could be useful in the identification of F. nucleatum ATCC $25586^T$, especially with regard to the determination of the authenticity of the strain.