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서영수,김용관,신동환,공보금,이정구,박정환,윤성환,정치영,이상경,김영훈 대한생물치료정신의학회 2001 생물치료정신의학 Vol.7 No.2
Objectives : This open prospective study was performed in order to evaluate the efficacy and extrapyramidal adverse effects of nemonapride in the schizophrenic patients, and was compared wit one of typical antipshchotics. haloperidol and one of atypical antipsychotics, risperidone. Methods : Thirty male and female schizophrenic patients(DSM-Ⅳ) were treated for 12 weeks with haloperidol(n=10), risperidone(n=10) and nemonapride(n=10). The overall efficacy was assessed at baseline, 1st week, 2nd week, 4th week, 8th week, and 12th week by the Positive and Negative Syndrome Scale for Schizophrenia(PANSS). Also the overall safety was assessed in the same time period by the Extrapyramidal Symptom Rating Scale(ESRS). Results : There were no significant differences in PANSS scores(total, positive, negative, and general psychopathology subscale) among haloperidol, risperidone, and nemonapride groups, Treatment responders, defined as at least 20% reduction of baseline total PANSS score, were achieved by 8 patients(80%) in haloperidol group, 10 patients(100%) in risperidone group, and 8 patients(80%) in nemonapride group. And there were no significant differences in ESRS total scores among haloperidol, risperidone, and nemonapride group. Inter-group comparison among haloperidol, risperidone and nemonapride group, as assessed by the ESRS, revealed no significant differences in the shifts to the maximum score, 9.4(±9.4), 6.2(±8.4), and 11.3(±8.1) respectively, and also revealed no significant differences in the mean time reaching the maximum score, 4.5(±4.5) week, 7.8(±4.8) week, and 4.6(±4.4) week, respectivily. Conclusion : There wee no significant differences in the efficacy and extrapyramidal adverse effects among haloperidal, rispecridone and nemonapride groups. These results suggest that nemonapride was as efficacious and safe in he treatment of schizophrenia, as well known and widely used antipsychotics, haloperidol and risperidone.
최적화 방법에 의한 칼라 TV용 SAW IF 필터의 설계에 관한 연구
황금찬,박용서,최영호 연세대학교 산업기술연구소 1984 논문집 Vol.16 No.1
In this paper, SAW IF filter for NTSC Color TV is designed by optimization technique using nonlinear programming. To carry out optimization, Fletcher Reeves algorithm is adopted, and objective function and its gradient are calculated by FFT algorithm. The band-pass filter function is translated down to the baseband before optimization and 58 variables are chosen for optimization. The electrodes consist of one eighth and five eighths wavelength fingers. The finger length of the uniform IDT is designed as 1.33 times as the maximum finger length of the uniform IDT is designed as 1.33 times as the maximum finger length of the apodized IDT. In experiment, SAW IF filter is fabricated on 128 ˚Y cut X LiNbO₃ substrate to suppress the spurious signals. The experimental results have shown close consistancy with given specifications.
Degradation of Pyrene by Mycobacterium aromativorans Strain JS19b1
Seo, Jong-Su,Keum, Young-Soo,Kim, Kyun,Li, Qing X. The Korean Society for Applied Biological Chemistr 2010 Applied Biological Chemistry (Appl Biol Chem) Vol.53 No.3
Mycobacterium aromativorans $JS19b1^T$, isolated from a polycyclic aromatic hydrocarbon-contaminated soil, can grow with pyrene as a sole source of carbon and energy. A detailed pyrene metabolic map was constructed based on metabolite analysis by GC-MS and replacement cultures supplemented with the two intermediate metabolites phenanthrene-4,5-dicarboxylic acid and naphthalene-1,2-dicarboxylic acid. Strain $JS19b1^T$ can degrade pyrene through branched metabolic pathways, including its initial 4,5-dioxygenation and subsequent ortho- and meta-cleavages of 3,4-dihydroxyphenanthrene and naphthalene-1,2-diol. Dioxygenation of pyrene occurred on K-region to produce phenanthrene-4,5-dicarboxylic acid. 2,2'-Dicarboxy-6,6'-dihydroxybiphenyl and cis-3,4-dihydroxy-3,4-dihydrophenanthrene were also detected in phenanthrene-4,5-dicarboxylic acid-supplemented replacement cultures, which suggests branching of pyrene catabolism to a typical pathway of 3,4-dihydroxyphenanthrene.
Young Joo Oh,Kisun Nam,Yanghee Kim,Seo Yeon Lee,Hyung Sook Kim,Jung Il Kang,Sang Yun Lee,Keum Taek Hwang 한국식품영양과학회 2021 Preventive Nutrition and Food Science Vol.26 No.2
Dysbiosis is a microbial imbalance, which often causes diseases and can be triggered by diet. Here, we determined the effect of a nutritionally balanced diet rich in vegetables and whole grains alone and/or in combination with probiotics on the gut microbiota of healthy adults. We conducted a parallel-group randomized trial enrolling 63 healthy participants who were administered either a balanced diet (B-diet group), a probiotic capsule containing Lactobacillus plantarum PMO 08 (probiotics group), or a balanced diet plus probiotic capsule (synbiotics group) once daily for 2 weeks. The gut microbiota of each participant was analyzed via 16S ribosomal RNA MiSeq-based sequencing. Gastrointestinal symptoms and defecation habits were evaluated using questionnaires. The B-diet group showed significantly reduced Firmicutes-to-Bacteroidetes ratio (P<0.05) and abundances of the genera Blautia (P<0.01), Dorea (P<0.05), and Lachnoclostridium (P<0.05). Furthermore, the abundance of Bacteroides increased (P<0.05) compared to baseline levels. In the synbiotics group, Lactobacillus abundance increased significantly (P<0.05) and defecation difficulty decreased (P<0.05), confirming a synergistic effect of combined intake. All groups showed a significant reduction in the abundance of Clostridiaceae (P<0.001) and alleviation of bloating symptoms (P<0.05). Moreover, the relative abundance of Faecalibacterium significantly increased in the probiotics group (P<0.05). Therefore, the individual or combined intake of a nutritionally balanced diet and L. plantarum PMO 08 beneficially modifies the gut microbiota with the potential to alleviate gastrointestinal symptoms and improve defecation habits.