• Title/Summary/Keyword: K-CBS

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PCBs and PBDEs in Pine Needles of Seoul and Ansung (서울, 안성지역 소나무 잎 중 PCBs와 PBDEs)

  • Lee, Sung-Hee;Yeo, Hyun-Gu
    • Journal of Environmental Science International
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    • v.16 no.9
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    • pp.1071-1076
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    • 2007
  • Polychlorinated biphenyls(PCBs) and polybrominated diphenyl ethers (PBDEs) were measured in pine needles of Seoul, and Ansung(GyeongGi-do) to investigate composition, source, and regional concentration of PBDEs. Concentration of total PCBs in Seoul and Ansung showed 608, 945 pg/g DW (mean: 777 pg/g DW), respectively, also concentration of total PBDEs(pg/g DW) in Seoul and Ansung showed 7944, 14,255 pg/g DW(mean 11,100 pg/g DW). Tetrachlorinated biphenyls(Tetra-CBs) and Decabromodiphenyl ethers (Deca-BDE) were detected in relatively high concentration compared to other PBDE congeners in Seoul and Ansung. Correlation coefficients(r) of between PCB congeners in pine needles detected of Seoul and Ansung were significant (r=0.85, p<0.01). It suggested that PCBs concentration in pine needles may originate from secondary sources such as air-plant partition. The similarity of between PBDE congeners profile to those of the technical mixture formulation (Bromkal 70-5DE) suggests a source of this product in these sites.

IMGT Unique Numbering for Standardized Contact Analysis of Immunoglobulin/antigen and T cell receptor/peptide/MHC Complexes

  • Kaas, Quentin;Chiche, Laurent;Lefrane, Marie-Paule
    • Proceedings of the Korean Society for Bioinformatics Conference
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    • 2005.09a
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    • pp.209-214
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    • 2005
  • Immunoglobulins (IG) , T cell receptors (TR) and major histocompatibility complex (MHC) are major components of the immune system. Their experimentally determined three-dimensional (3D) structures are numerous and their retrieval and comparison is problematic. IMGT, the international ImMunoGeneTics information system$^{\circledR}$(http://imgt.cines.fr), has devised controlled vocabulary and annotation rules for the sequences and 3D structures of the IG TR and MHC. Annotated data from IMGT/3D sructure-DB, the IMGT 3D structure database, are used in this paper to compare 3D structure of the domains and receptor, and to characterize IG/antigen, peptide/MHC and TR/peptide/MHC interfaces. The analysis includes angle measures to assess receptor flexibility, structural superimposition and contact analysis. Up-to-date data and analysis results are available at the IMGT Web site, http://imgt.cines.fr.

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A Study on the Pain, Depression and Relative Factor Perceived by Rheumatoid Arthritis Patients (류마티스 관절염 환자가 지각하는 통증과 우울 정도 및 관련 요인)

  • Yoo Kyung-Hee;Kim Keum-Soon
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.8 no.2
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    • pp.189-198
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    • 2001
  • The purpose of this study was done to identify the relationship between the level of pain and depression in patients with rheumatoid arthritis. The subjects for this study were 222 patients registered in H University Hospital Rheumatoid Arthritis Center, and the period of data collection was from July 20, 2000 to August 30, 2000. The research instruments used in this study were the Graphic Rating Scale of Pain and the CES-D for depression. The cronbach's ${\alpha}$ of the CBS-D scale was .89. Data analysis, was done by the SPSSWIN 10.0 program using descriptive statistics. The results are as follows. 1) The total pain score ranged from 0 to 147 with a mean score for pain in patients with rheumatoid arthritis of 72.64. 2) The total depression score ranged from 20 to 72 with a mean score of 39.86. 3) There was a significant difference in pain according to sex(F=5.26, p<.05) and education level (F = 3.59, p<.05). 4) There was a significant difference in depression scores according to sex (F=7 76, p<.05) and education level (F=3.02, p<.05). 5) The level of pain had a significant correlation with the level of education level(r=-.174, p<.01). The level of depression was significant correlation with the level of pain (r=.237. p<.01).

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Computational Study on Spirocyclic Compounds as Energetic Materials (I)

  • Seok, Won K.
    • Bulletin of the Korean Chemical Society
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    • v.35 no.4
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    • pp.989-993
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    • 2014
  • The molecular structures of 2,6-diaza-1,3,5,7-tetraoxaspiro[3,3]heptane (1) and its dinitro derivative, 2,6-dinitro-2,6-diaza-1,3,5,7-tetraoxaspiro[3,3]heptane (2), were fully optimized without symmetry constraints at $HF/6-31G^*$ level of theory. A bisected conformation with respect to the ring is preferred with a $C_2$ symmetric structure. The density of each molecule in the crystalline state was estimated to 1.12 and 2.36 $g/cm^3$ using PM3/VSTO-3G calculations from the molecular volume. The heat of formation was calculated for two compounds at the CBS-4M level of theory. The detonation parameters were computed using the EXPLO5 software: D = 6282 m/s, $P_{C-J}$ = 127 kbar for compound 1, D = 7871 m/s, $P_{C-J}$ = 307 kbar for compound 2, and D = 6975 m/s, $P_{C-J}$ = 170 kbar for 60% compound 2 with 40% TNT. Specific impulse of compound 1 in aluminized formulation when used as monopropellants was very similar to that of the conventional ammonium perchlorate in the same formulation of aluminum.

Aspergillus Associated with Meju, a Fermented Soybean Starting Material for Traditional Soy Sauce and Soybean Paste in Korea

  • Hong, Seung-Beom;Kim, Dae-Ho;Samson, Robert A.
    • Mycobiology
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    • v.43 no.3
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    • pp.218-224
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    • 2015
  • Aspergillus is an important fungal genus used for the fermentation of Asian foods; this genus is referred to as koji mold in Japan and China. A. oryzae, A. sojae, and A. tamari are used in the production of miso and shoyu in Japan, but a comprehensive taxonomic study of Aspergillus isolated from Meju, a fermented soybean starting material for traditional soy sauce and soybean paste in Korea, has not been conducted. In this study, various Aspergillus species were isolated during a study of the mycobiota of Meju, and the aspergilli were identified based on phenotypic characteristics and sequencing of the ${\beta}$-tubulin gene. Most strains of Aspergillus were found to belong to the following sections: Aspergillus (n = 220), Flavi (n = 213), and Nigri (n = 54). The most commonly identified species were A. oryzae (n = 183), A. pseudoglaucus (Eurotium repens) (n = 81), A. chevalieri (E. chevalieri) (n = 62), A. montevidensis (E. amstelodami) (n = 34), A. niger (n = 21), A. tamari (n = 15), A. ruber (E. rubrum) (n = 15), A. proliferans (n = 14), and A. luchuensis (n = 14); 25 species were identified from 533 Aspergillus strains. Aspergillus strains were mainly found during the high temperature fermentation period in the later steps of Meju fermentation.

Effects of Various Proteins in the Diet on Fatty Acid Concentration in the Skin, Cutaneous Histology, Clinicopathology, and Thyroid Function in Dog (개에서의 피부, 피부조직학, 임상병리학 및 갑상선 기능에 있어서 지방산 농도에 관한 규정식 중 다양한 단백질들의 제반 영향(6))

  • White Stephen D.;Rosychuk Rod A.W.;Scott Kathryn V.;Carey Daniel P.;Longardner Curtis;Schultheiss Patricia C.;Salman Mowafak
    • Journal of the korean veterinary medical association
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    • v.33 no.1
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    • pp.22-28
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    • 1997
  • 12마리의 개들을 12주동안 6종류의 규정식으로 각각 급여시켰다. 규정식들은 단지 단백질원 즉 닭고기, 새끼양의 고기, 물고기, 쇠고기 및 콩이란 것에서만 차이가 있었다. 개들은 CBC 즉, 혈청화학프로필, 요분석, TSH반응시험 및 피부생검을 통하여 평가하였다. 피부생검은 조직학적으로 하는 것과 피부지방산 농도의 측정을 통한 평가, 두가지 방법으로 평가하였다. 평가된 지방산들은 리롤레산, 감마-리롤렌산, 알파-리롤렌산, 아라키돈산, 아이코사테트라에노이산 및 아이코사펜타에노이산 등이었다. 개들은 주관적으로 생검채취부위에서 털의 재성장과 비늘(피부의 얇은 조각)의 존재유무로 평가하였다. 결과에서 보면 각종의 규정식을 급여시킨 개들 사이에서 CBS, 조직적 소견 또는 피부지방산 수치에서 차이가 나타나지 않았다. 쇠고기 규정식을 급여시킨 12마리중 3마리의 개에서 고콜레스테롤 혈증이 있었고, 콩 규정식을 급여시킨 12마리중 9마리의 개에서 알카리성 오줌과 돼지고기를 급여시킨 12마리중 4마리가 비늘이 주관적 증가가 있었고, 털의 재성장이 감소된 것으로 나타났다.

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The Effect of Listening to Music for the Reduction of Unilateral Neglect in Chronic Stroke: A Single Subject Study (음악 감상이 만성기 뇌졸중 환자의 편측무시에 미치는 영향 : 단일대상 연구)

  • Lee, Eun-Young
    • Therapeutic Science for Rehabilitation
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    • v.2 no.2
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    • pp.67-75
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    • 2013
  • Objective : This study aims to investigate the effect of listening to music for the reduction of unilateral neglect in stroke patients. Methods : This study used a single subject (A-B) design for a stroke patient with unilateral neglect. The subject was trained for 12 sessions in total. Unilateral neglect was measured using a line bisection test and catherine bergego scale. Results : The line bisection test showed decreased mean error scores of treatment period(B) compared with baseline period(A). and catherine bergego scale showed slightly decreased total scores of treatment period(B) compared with baseline period(A). Conclusion : The listening to music showed a beneficial effect for the reduction of unilateral neglect.

Process Development of Alcohol Production by Extractive Fermentation(III) -An Optimum Composition of PEG/Dx for Extractive Alcohol Fermentation- (추출발효에 의한 알코올.제조공정 개발(III) -추출 알코올 발효에 최적인 PEG/Dx의 조성-)

  • 허병기;김진한목영일
    • KSBB Journal
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    • v.8 no.2
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    • pp.178-184
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    • 1993
  • Extractive fermentations with the extract of Jerusalem artichoke in an aqueous-two-phase-system of polyethyleneglycol(PEG) and dextran(Dx) were investigated to obtain the effects of composition of PEG and Dx on both fermentation ,characteristics and partition ratio of alcohol. The specific growth rate of K. Fraglis CBS 1555 increased with a decrease of concentration of PEG and Dx. It augmented along with concentration of initial sugar up to 80g/l but decreased thereafter. The specific production rate of alcohol showed a rising tendency up to 100g/lof initial sugar, whereafter represented a decreasing trend. The partition ratio of alcohol between two phases augmented according to decrease of Dx comic. and increase of PEG cone. regardless of initial sugar concentrations. The ratio, however, decreased with Increment of initial sugar concentration at constant composition of PEG and Dx. The partition coefficient of alcohol had an ascending effect to the increase of PEG cone, but it had little effect on the changes of concentrations of Dx and initial sugar. The present study suggests that the optimum composition of PEG and Dx in the aqueous-two-phase-system by extractive fermentation were around 6.5%(w/v) of PEG and 3%(w/v) of Dx in considerations of emulsion state, sedimentation and separation of two phases, alcohol partition ratio, and specific growth rate.

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Characteristic of Alcohol Fermentation by the Culture of High Cell Density (Functional Relationship among Specific Growth Rate, Sugar Concentration, Cell Concentration and Alcohol Concentration) (고농도 균체배양에 의한 알콜발효특성 규명 (비성장속도와 당농도, 균체농도, 알콜농도의 함수관계))

  • 허병기;김형철양지원목영일
    • KSBB Journal
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    • v.6 no.1
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    • pp.85-90
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    • 1991
  • Experiments of alcohol fermentation of the yeast,K. fragi1is CBS 1555 were performed to obtain the following results. In these experiments, the initial concentrations of sugar which was composed of inulin and fructose as weight ratio of one to one were 30, 50, 75, 100 and 150g/l and the initial densities of the microorganism were less than 0.5g/l, 10g/1 to 15g/1, and 50g/l. The functional relationship among specific growthrates, sugar concentrations, and alcohol concentrations could be expressed by Aiba-shoda equation and the specific growth rate represented the trend that decreased with increase in the initial concentration of the microorganism. Also, $\mu$max and Ks of Monod's equation could be expressed as the function of initial cell concentration like the following equations. $\mu$max=0.8-0.008X Ks=0.54X+8 In the region that sugar, alcohol and cell concentrations were 10g/1 to 120g/l, 0g/l to 60g/l and 0.5g/l to 50g/l respectively, the differences between the experimental values and the calculated ones for specific growth rate approached to 40% with respect to experimental values at the worst cases, but in most cases, those were distributed in the range of less than 20%.

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The Effect of Listening to Music for the Reduction of Unilateral Neglect in Chronic Stroke: A Single Subject Study (음악 감상이 만성기 뇌졸중 환자의 편측무시에 미치는 영향: 단일대상 연구)

  • Lee, Eun-Young
    • Therapeutic Science for Rehabilitation
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    • v.2 no.1
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    • pp.57-65
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    • 2013
  • Objective : This study aims to investigate the effect of listening to music for the reduction of unilateral neglect in stroke patients. Methods : This study used a single subject (A-B) design for a stroke patient with unilateral neglect. The subject was trained for 12 sessions in total. Unilateral neglect was measured using a line bisection test and catherine bergego scale. Results : The line bisection test showed decreased mean error scores of treatment period(B) compared with baseline period(A). and catherine bergego scale showed slightly decreased total scores of treatment period(B) compared with baseline period(A). Conclusion : The listening to music showed a beneficial effect for the reduction of unilateral neglect.