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李敏雄,申鉉成,沈在郁 동국대학교 1985 論文集 Vol.24 No.-
4 roots of 2 year old ginseng were planted in a small pot trateing with fungal pathogens, Fusarium solani, nematodes isolated from the ginseng (Panax ginseng C.A. Meyer) cultured soil and the two mixed inoculum respectively. Rate of infestation and nematodes distributed around the harvested host plant after 40 days was investigated. To obtained results were as follows: Each group was treated with F. solani, nematodes and mixed inoculum showed higher disease index by infestation from 3.3 to 3.8 while control group was healthy showing lower disease index of 1.2. The nematodes identified were 4 genera in control group and F. Solani inoculated group. 11 genera of nematodes including Xiphinema spp were distributed in the nematodes inoculated pot, and their numbers were higher in the population. Especially Radophalus spp, Tylenchulus spp, Meloidogyne spp, Xiphinema spp and Ditylenchus spp were numerous in their population density, but Belonolimus spp and Hemicyciophora spp were lower. Fourteen genera of nematodes were distributed in the mixed inoculation pot than only the nematodes treated group. and also the population was higher in the mixed inoculation group. The more populated genera is number were Ditylenchus spp, Paratylenchus spp, Paratylenchus spp. Hemicycliophora spp, Meloidogyne spp, Helicotylenchus spp and Tylenchorhynchus spp, but Hirschmanniella spp was less in the population density.
SHIM, JAE-OUK,LEE, MIN-WOONG,HAN, KEE-DON 동국대학교 자연과학연구원 1996 자연과학연구 논문집 Vol.1 No.-
Soil microorganisms antagonistic to Fusarium solani, plant pathogen were isolated from the soil, and used to investigate their control effects suppressive to ginseng root rot caused by F. solani. When both Pseudomonas cepacia and Bacillus cereus were introduced concurrently into F. solani-infested soil, and have been incubated for 270 days in the soil rhizosphere, the numbers of F. solani recorded 2.49(Log cfu/g soil) in the soil rhizosphere as compared with 4.33 of the control. When P. cepacia was introduced individually in the soil and has been incubated for 270 days in the soil rhizosphere, its antifungal activity for controlling disease development was extremely effective and recorded the disease index of 1.2 of as compared with 4.3 of the control. Among three arbuscular mycorrhizal fungi, Glomus albidum was extremely low in their disease indice and reduced the disease index to 1.2 as compared with 4.3 of the control. Based on different pH values and nutrient sources of four culture media, the antifungal inhibition of P. cepacia indicated significant differences (p=0.05) among culture media. The numbers of P. cepacia were increased in proportion to the continuity of the incubation, whereas its antifungal activity began to be detected 32 days after the incubation. P. cepacia was observed to excrete a visibly yellow, strongly blue-white fluorescent color into the culture supernatant fluid, produce siderophores, fluorescent substances in the Fe-deficient succinate media, and exhibit the peak at 410nm in the range of absorption spectra. Due to such siderophores excreted, P. cepacia appears to control ginseng root rot caused by F. solani.
Notes : Culture Conditions Affecting the Optimal Mycelial Growth of Cystoderma ami anthinum
( Sung Mi Shim ),( Yun Hee Oh ),( Kyung Rim Lee ),( Seong Hwan Kim ),( Kyung Hoan Im ),( Jung Wan Kim ),( U Youn Lee ),( Jae Ouk Shim ),( Mi Ja Shim ),( Min Woong Lee ),( Hyeon Su Ro ),( Hyun Sook Lee 한국균학회 2005 Mycobiology Vol.33 No.1
Jae Sang Kim,Sung Ouk Jung,Shim Sung Lee,Si-Joong Kim Korean Chemical Society 1993 Bulletin of the Korean Chemical Society Vol.14 No.1
New lipophilic Crown-4 compounds of 16-membered rings containing furan (neutral carrier,I), tetrahydrofuran (neutral carrier,II) and lithium complex of the latter (neutral carrier,III) have been synthesized and tested as the active sensors for lithium ion in poly(vinyl chloride) (PVC) membrane electrode, in the presence and absence of an anion excluder, tetrakis(4-chloro-phenyl)borate (KTClPB), 2-nitrophenyl phenyl ether (NPPE), tris(2-ethylhexyl)phosphate (TEHP), o-nitrophenyl octyl ether (NPOE), dioctyl adipate (DOA), bis(2-ethylhexyl)adipate (BEHA), di-n-octylphenyl phosphonate (DOPP) were used as plasticizing solvent mediators. The electrode response function had a nearly Nernstian slope of 54-61 mV per decade (25$^{\circ}$C) within the concentration range of $10^{-1}-10^{-4}$ M LiCl and the detection limits for all electrodes were ca. $5{\times}10^{-4}$ M. The response time of the electrode was faster at the higher lithium concentration and the response of the electrode was stable for longer than 6 months. The sensor membranes exhibit improved response times and increased lifetimes as compared to the system described earlier.
Shim, Jae-Kwang,Bang, Sou-Ouk,Lee, Jong-Hwa,Oh, Young-Jun,Yoo, Kyung-Jong,Kwak, Young-Lan The Korean Academy of Medical Sciences 2008 JOURNAL OF KOREAN MEDICAL SCIENCE Vol.23 No.3
<P>Although numerous studies have validated the efficacy of intracoronary shunt on reducing left ventricular dysfunction during off-pump coronary artery bypass surgery (OPCAB), there is lack of evidence supporting its role on right ventricular (RV) function during right coronary artery (RCA) revascularization. Therefore, we studied the effect of intracoronary shunt during grafting of dominant RCA without visible collateral supply on global RV function using thermodilution method. Forty patients scheduled for multivessel OPCAB with right dominant coronary circulation without collateral supply confirmed by angiography were randomized to RCA revascularization either with a shunt (n=20) or soft snare occlusion (n=20). RV ejection fraction (RVEF) was recorded at baseline, during RCA grafting, and 15 min after reperfusion. Corresponding RV stroke work index (RVSWI) was calculated. RVEF and RVSWI decreased significantly during RCA grafting and returned to baseline values after reperfusion in both groups without any significant differences between the groups. Intracoronary shunt did not exert any beneficial effect on global RV function during RCA grafting, even in the absence of visible collateral supply. Regarding the possibility of graft failure by intracoronary shunt-induced endothelial damage, routine use of intracoronary shunt during RCA grafting is not recommended in patients with preserved biventricular function.</P>