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Sodium Trans-Bis(methyliminodiacetato)Chromate(Ⅲ)의 두가지 다른 空間群 P1 ̄와 A2/n間의 相互 變換
李珍昊,宋柱昊,崔成山,郭相姬,吳美蘭,박성진,李揆旺,徐廷善,徐日煥 충남대학교 1996 忠南科學硏究誌 Vol.23 No.1
The structure of sodium trans-bis(methyliminodiacetato) chromate(Ⅲ), C_10H_14O_8N_2CrNa, has been elucidated with two space groups P 1-; a=8.9856(6), b=13.308(1), c=6.261(1)Å, α=76.38(1), β=110.361(9), r=107.394(6)˚, V=662(2)Å^3, Z=2, μ=0.47mn^(-1), d=1.831Mg/㎥, R=0.0295 for 1901 independent reflections with F^2>2σ(F^2), and A2/n; a=13.65(5), b=6.261(1), c=16.85(6)Å, β=113.05(1)˚, V=1324(7)Å^3, Z=4, R=0.0287 for 1013 independent reflections with F^2>2σ(F^2). There are two different asymmetric half molecules in triclinic system and one asymmetric half molecule in monoclinic system. The structures of three different molecules are very similar in conformations. The four carboxyl O atoms and the two imino N atoms in each molecule produce a distorted octahedral coordination geometry around the Cr atom. The average distances of Cr-O(carboxyl) and Cr-N(imino) are 1.956 and 2.061Å respectively. Molecules are held together by ionic forces. In this paper, it has been also shown that the cell constants, Miller indices, atomic coordinates, lattice directions and reciprocal lattices of the two space groups can be mutually transformed.
( Sung Hwan Suh ),( Kyoung Nyoun Kim ),( Mi Kyoung Park ),( Duk Kyu Kim ),( Moon Kyu Lee ),( Jae Hyeon Kim ) 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: To investigate the relationship between markers of overall glucose exposure, postprandial glucose excursions and glycemic variability in patients with type 2 diabetes mellitus (T2DM). Methods: Sixty three patients with T2DM (mean age of 56 years) were enrolled, and all wore a continuous glucose monitoring system (CGMS) for 72 hours. We investigated the interrelationships between markers of overall glucose exposure, markers of postprandial glucose excursions and glycemic variability parameters from a CGMS. Results: Spearman`s correlation analysis revealed a signifi cant correlation between all markers of overall glucose exposure and various parameters related to glucose excursion. Percent coeffi cient of variation (CV) showed the strongest correlation with the GA (r = 0.470, p < 0.01). In participants with HbA1c levels < 7.5% (n = 33), almost all of glycemic markers and glycemic variability parameters were signifi cantly correlated with each other. All postprandial glucose excursion parameters also showed signifi cant correlation with other glycemic markers. In participants with HbA1c levels < 7.5% (n = 33), all markers of overall glucose exposure showed signifi cant interrelationships with mean glucose, postprandial glucose excursion and glycemic variability parameters (except CV). However, in participants with HbA1c levels = 7.5% (n = 30), postprandial glucose excursion and glycemic variability parameters were not related with any chronic glycemic marker. Conclusions: The postprandial glucose excursions may explain the glycemic variability and the total glucose exposures in well-controlled diabetic participants.
Young-Jin Oh,Tae-Il Park,Ouk-Kyu Han,Jae-Hwan Suh,Hyoung-Ho Park,Sang-Kyun Cho,Jong-Chul Park,Tae-Hwa Song,Kyeong-Hoon Kim,Yang-Kil Kim,Hyeon-Jung Kang,Jae-Seong Choi,Yun-Woo Jang,Kee-Jong Kim,Kwang-G 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
‘Jungmo2503’ (Hordeum vulgare L.), a new ruminant-palatability forage barley cultivar, was developed by the breeding team at the Department of Rice and Winter Cereal Crop, National Institute of Crop Science, RDA in 2011. It was derived from the cross between ‘Dongsanpi81’ and ‘Kangbori’. Among the cross made in 1999, a promising line, SB992028-B-B-B-B-B-2, showed good characteristics in potential forage yield in the yield Trial tested at Iksan in 2007 to 2008 designated as Iksan 449. The line in the Regional Yield Trials (RYT) tested in eight locations around Korea for three years from 2009 to 2011, and was released as the name of ‘Jungmo2503’. It has the growth habit of group Ⅰ, erect plant type, green leaf and hood spike. Its average heading and maturing dates were on May 2, and May 29, respectively, with are similar to check cultivar ‘Yuyeon’. The cultivar had 102cm of culm length, 691 spikes per m2 and it showed better rate of leaf, winter hardiness, and resistance to BaYMV than those of the check cultivar. The average forage yield of ‘Jungmo2503’ was about 10.9 ton ha-1 in dry matter in paddy field. ‘Jungmo2503’ also showed 9.4% of crude protein content, 27.3% of ADF (Acid Detergent Fiber), 49.0% of NDF (Neutral Detergent Fiber), and 67.3% of TDN (Total Digestible Nutrients), including higher grade of silage quality for whole crop barley.
Young-Jin Oh,Tae-Il Park,Ouk-Kyu Han,Jae-Hwan Suh,Hyoung-Ho Park,Sang-Kyun Cho,Jong-Chul Park,Tae-Hwa Song,Kyeong-Hoon Kim,Yang-Kil Kim,Hyeon-Jung Kang,Jae-Seong Choi,Yun-Woo Jang,Kee-Jong Kim,Kwang-G 한국육종학회 2013 한국육종학회 심포지엄 Vol.2013 No.07
‘Jungmo2502’ (Hordeum vulgare L.), a new ruminant-palatability forage barley cultivar, was developed by the breeding team at the Department of Rice and Winter Cereal Crop, National Institute of Crop Science, RDA in 2011. It was derived from the cross between ‘Samheung/Suwon 300’ and ‘Milyang 100’. Among the cross made in 2000, a promising line, SB00T2018-B-B-B-B-3, showed good characteristics in potential forage yield in the yield Trial tested at Iksan in 2007 to 2008 designated as Iksan 448. The line in the Regional Yield Trials(RYT) tested in eight locations around Korea for three years from 2009 to 2011, and was released as the name of ‘Jungmo2502’. It has the growth habit of group Ⅵ, erect plant type, green leaf and awnless spike. Its average heading and maturing dates were on May 4, and May 30, respectively, with are similar to check cultivar ‘Youngyang’. The cultivar had 98cm of culm length, 607 spikes per m2 and it showed better rate of leaf, winter hardiness, and resistance to BaYMV than those of the check cultivar. The average forage yield of ‘Jungmo2502’ was about 11.0 ton ha-1 in dry matter in paddy field. ‘Jungmo2502’ also showed 8.7% of crude protein content, 21.9% of ADF (Acid Detergent Fiber), 40.7% of NDF (Neutral Detergent Fiber), and 71.6% of TDN (Total Digestible Nutrients), including higher grade of silage quality for whole crop barley.
조백기,박종갑,김형옥,김성욱,백승철,김진우,김시용,안규중,전재복,오지원,김낙인,이규석,오칠환,김수남,김상태,손숙자,신용우,김동석,이원우,권경술,서대헌,황규왕,이종석,고재경,강원형,정기양,최응호,김기홍,박석돈,강승주,함정희,명기범,김방순,구상완,김병수,원영호,김한욱,송은섭,정병수,노병인,홍창권,박장규,한지윤,김광중,구대원,김종민,김재홍,유희준,양경미 대한의진균학회 1998 대한의진균학회지 Vol.3 No.2
Background: Onychomycosis, especially toenail onychomycosis has become one of the common fungal infection and has historically been regarded as a cosmetic rather than medical problem by many patients, even by physicians. Recently, however, there are several reports that is a refractory disease which may cause a deleterious effect on patiets quality of life (QOL). Objective: The purpose of this study was to investigate the impact of toenail onychomycosis on QOL in Korea and to assess the chandes of QOL after treatment. Methods: Total 1004 patients with toenail onychomycosis which was confirmed by clinical findings and KOH preparation were were enrolled at 47 dermatologic centers in Korea, and interviewed with standardized QOL questionnaire before and after sytemic antifungal treatment. Responses to the questionnaire were scored by 5-point scale (1∼4) and averaged, and were analyzed for 5 dimensions of emotional impact, social impact, symptorn and functional impact, patients views concerning treatment, and relationship with doctor. Results: 1. Before and after treatment, the most serious impact was emotional dimension showing 1.90 and 1.30 in average score (AS), and social (AS: 1.14 and 0.83) and symptom and functional impact (AS: 1.05 and 0.92) was also affected. 2. In female rather than male, statistically more significant impact on patients QOL was observed in all dimensions. 3. After treatment, 3 of 5 dimensions were improved significantly - emotional dimension (AS : from 1.90 to 1.30), social dimension (AS: from 1.14 to 0.83), patients view concerning treatment (AS: from 1.34 to 1.02). 4. The drgree of patients satisfaction at the therapeutic effect was very high- 62.4% (immediately after treatment) and 65.8% (9 months affer initiation of treatment) of patients answered excellent or good. Conclusion: This study confirms that toenail onychomycosis has significant impact on the overall QOL of patients. Also the effect of antifungal therapy on patients QOL were watisfactory. Therefore, both doctor and patient should pay more attention to the treatment of onychomycosis. [Kor J Med Mycol 3(1): 115∼124]
Suh, Yoon Seok,Ko, Kwang Jin,Kim, Tae Heon,Lee, Hyo Serk,Sung, Hyun Hwan,Cho, Won Jin,Lee, Kyu-Sung Korean Continence Society 2017 International Neurourology Journal Vol.21 No.4
<P><B>Purpose</B></P><P>The aim of this study was to investigate urinary nerve growth factor (NGF) as a biomarker of treatment efficacy and recurrence in overactive bladder (OAB) patients.</P><P><B>Methods</B></P><P>We enrolled 189 OAB subjects who visited our outpatient clinic from February 2010 to February 2015. All subjects with OAB received antimuscarinic treatment. A 3-day voiding diary and questionnaire were collected from each patient. Urinary levels of NGF were evaluated at baseline, the beginning of antimuscarinic treatment, and the end of antimuscarinic treatment. Urinary NGF was normalized to urine creatinine (Cr). Between-group comparisons of baseline characteristics were made using the Mann-Whitney U-test. Multivariate logistic regression analyses were used to predict responses to anticholinergic treatment and recurrence. The Wilcoxon signed-rank test with the Bonferroni correction was used for intragroup comparisons. A receiver operating characteristic curve was used to analyze the utility of this biomarker.</P><P><B>Results</B></P><P>Urinary levels of NGF/Cr tended to decrease in patients who responded to treatment (n=62), but this was not significant (P=0.260). Urinary NGF levels were higher at baseline in patients who did not experience recurrence than in those who did (P=0.047). In those who did not experience recurrence (n=29), urinary NGF/Cr decreased at the end of treatment compared to baseline, and this reduction was maintained at 12 weeks after the end of treatment (P<0.05).</P><P><B>Conclusions</B></P><P>Urinary NGF is a potential biomarker for predicting the outcome of antimuscarinic treatment in OAB patients. This may provide useful information when deciding to stop antimuscarinic treatment in responders.</P>
서정호,감상규,오영희,이동환,이민규 동의대학교 기초과학연구소 1998 基礎科學硏究論文集 Vol.8 No.1
Lead sorption performances by biomass of nonliving, dried marine brown algae Undaria pinnatifida, Hizikia fusiformis, and Sargassum fulvellum used as biosorbent materials were investigated. As the amount of biosorbent materials added was increased, the lead removal by biosorbent materials increased but the lead biosorption capacities decreased. However, with increasing initial lead concentration the lead biosorption capacities by the biosorbent materials increased but lead removal efficiencies decreased. In the range of initial lead concentration(C_0) 10-500 mg/L the lead biosorption capacities and removal efficiencies by the biosorbent materials increased with increasing pH. Among the biosorbent materials used in this study, the lead biosorption capacities decreased in the following sequence: U. pinnatifida $gt; H. fusiformis $gt; S. fulvellum. The lead biosorption by biosorbent materials were expressed by the Langmuir isotherm better than the Freundlich isotherm. The biosorption rate could be expressed by the first order reaction rate equation for initial lead concentration like that r_ad = 0.288C_0 for U. pinnatifida, r_ad = 0.255C_0 for H. fusiformis, and r_ad = 0.161C_0 for S. fulvellum.
Suh, Jung-Sun,Shin, Jung-Yup,Yoon, Cheon-Ho,Lee, Kyu-Wang,Suh, Il-Hwan,Lee, Jin-Ho,Ryu, Bo-Young,Lim, Sung-Su Korean Chemical Society 1994 Bulletin of the Korean Chemical Society Vol.15 No.3
NaMg[$Cr(C_2O_4)_3]{\cdot}10H_2O$ crystallizes in the trigonal space group P$\bar{3}$c1, with a=b= 16.969(3), c=12.521(3) ${\AA}$, ${\alpha}={\beta}=90^{\circ},\;{\gamma}=120^{\circ},\;{\rho}=1.734 \;gcm^{-3},\;{\mu}=6.46\;cm^{-1}$, Z=6. Intensities for 1062 unique reflections were measured on a four-circle diffractometer with Mo K${\alpha}$ radiation (${\lambda}=0.71069\;{\AA}$). The structure was solved by direct methods and refined to a final ${\omega}$R value of 0.084. X-ray crystal structure showed that magnesium ion appears to be occupied over two sites with the occupancy ratio of 2:1. The crystal possesses 10 water molecules instead of previously estimated 9 water molecules.
서병성,김준연,김정만,김용규,정갑열,김성환,김인식,김병권 동아대학교 부설 산업의학연구소 1997 산업의학연구소 논총 Vol.- No.3
This experiment was carried out to compare the efficacy of 2,3-dimercaptosuccinic acid(DMSA) and calcium ethylenediamine tetraacetate(CaEDTA) as chelating agents for lead poisoning. The rats had been fed water containing 0.5% lead acetate for 3 months and randomly divided into three groups. We administered DMSA only for group I(n=5), CaEDTA only for group II(n=5), and both DMSA and CaEDTA for group III(n=10), for 4 days. We evaluated urinary lead(PbU) level, blood lead(PbB) level and blood zinc protoporphyrin(ZPP) level before and after administration of the chelating agents. The results obtained were as follows; 1. After administration of chelating agents, the mean PbU levels, which were 248.2㎍/dl, 252.6㎍/dl and 270.0㎍/dl in group I, II and III before administration, were increased to 484.6㎍/dl, 479.9㎍/dl and 1,792.1㎍/dl in group I, II and III, respectively(p<0.05). 2. After administration of chelating agents, the mean PbB levels, which were 67.4㎍/dl, 59.9㎍/dl and 62.5㎍/dl in group I, II and III before administration, were decreased to 38.1㎍/dl, 36.3㎍/dl and 31.3㎍/dl in group I, II and III, respectively(p<0.05), but there were no different changes of ZPP level among groups. 3. The blood lead clearances, which were calculated by PbB level before and after administration of chelating agents, were 49.8%, 43.5% and 39.5% in group III, I and II, respectively.