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유기질비료 시비량에 따른 오미자 묘목의 초기 생육특성에 관한 연구
이경아,박태호,박성용,김도현,오문국,김민수,안태진,이상원,김영국,안영섭,박충범,차선우,송범헌 忠北大學校 農業科學硏究所 2015 農業科學硏究 Vol.31 No.1
This study was carried out to have basic and applied informations to find the optimum nitrogen fertilization level for organic cultivation and to investigate early growth characteristics of Schizandra chinensis Baillon. Different application levels of the organic fertilizer were based on the recommended rate of N fertilizer. Five different levels of the organic fertilizer were applied to S. chinensis and early growth responses such as the length of vine, the diameter of vine, the number of leaves, and the number of branches were investigated. Lengths of main and total vines were shown longer at the level of 1.0 time organic fertilizer than those at others. The vine length at early growth was the highest at the level of 1.0 time organic fertilizer among the treatments. Stem diameter was shown thicker level of 1.0 time organic fertilizer than others on August and September, whereas on October it was the thickest in the conventional cultivation. Number of leaf was increased higher at the level of 1.0 and 2.0 times organic fertilizer than that in the compared to conventional. The number of branches was appeared the lowest at the level of 1.0 time organic fertilizer at early growth, however they were increased through progressing their growth stages. They were not significantly difference among the treatments except for the level of 2.0 times organic fertilizer. Based on the research results, the growth of S. chinensis was commonly higher at the level of 1.0 time organic fertilizer compared to other treatments.
Jin Wen,Jun-Feng Cheng 한국전산응용수학회 2017 Journal of applied mathematics & informatics Vol.35 No.5
This paper investigates the inverse problem of determining an unknown heat radiative coefficient, which is only time-dependent. This is an ill-posed problem, that is, small errors in data may cause huge deviations in determining solution. In this paper, the existence and uniqueness of the problem is established by the second Volterra integral equation theory, and the method of trace-type functional formulation combined with finite difference scheme is studied. One typical numerical example using the proposed method is illustrated and discussed.
Wen Yi Jin,김승형,김호경,장동규,남정범,강영민,황방연,김동선 한국한의학연구원 2013 Integrative Medicine Research Vol.2 No.2
Background: Agents currently used for the treatment and prevention of thrombosis have a number of side effects. We conducted this study to develop antithrombotic agents from herbs that are used in food. Methods: The 80% (v/v) ethanol extracts of Phyllostachys pubescens leaf (PL) and Mume Fructus (MF) and their combinations—2:1 (PM21), 1:1 (PM11), and 1:2 (PM12)—were evaluated on rat platelet aggregation induced by adenosine diphosphate (ADP) in vitro and on arteriovenous shunt thrombosis after 3 days of oral treatment in rats in vivo. Results: At 100 μg/mL, PM21 and PM11 inhibited in vitro ADP-induced aggregation by 44.0 ± 4.3% and 30.0 ± 3.2%, respectively, whereas PL, MF, and PM12 weakly or scarcely inhibited ADP-induced aggregation by 3.9 ± 3.2%, 13.0 ± 2.7%, and 5.2 ± 1.3%, respectively. The IC50 values of PM21 on ADP-, collagen-, and thrombin-induced platelet aggregations were 135.6 ± 7.4 μg/mL, 142.7 ± 5.8 μg/mL, and 186.5 ± 9.7 μg/mL, respectively. In an in vivo rat arteriovenous-shunt thrombosis model, thrombus weight was significantly decreased after the oral administration of 400 mg/kg PL (27.8 ± 3.0%, p < 0.01) or MF (35.2 ± 2.1%, p < 0.01), and with a good accord to the in vitro results, the combination of PL and MF in the ratio of 2:1, PM21 (60.9 ± 1.2%, p < 0.001), showed a superior antithrombotic effect to those of individual extracts. At dosages of 200 mg/kg, 100 mg/kg, and 50 mg/kg, PM21 dose-dependently decreased thrombosis weight (ED50, 314 mg/kg). Conclusion: These results suggest that combination preparations of PL and MF, especially their 2:1 combination, can increase antiplatelet and antithromboticeffects more than PL and MF alone, offering evidence for a potential novel combination antithrombotic therapy.
아몬드와 대두의 혼합비율과 가공공정을 달리하여 제조한 아몬드 청국장의 품질 특성
Wen-Di Jin,어지현,황수정,범희주,은종방 全南大學校 農業科學技術硏究所 2012 農業科學技術硏究 Vol.47 No.-
Almond cheonggukjang was made and evaluated in order to improve nutritional value and quality of cheonggukjang with different addition levels of almond and soybean, 4:6, 5:5 and 6:4 (w/w). To make almond cheonggukjang, Bacillus subtilis was added to mixture of almond and soybean then fermented at 42℃ for 48 hours. Physicochemical, microbiological properties and sensory evaluation for almond cheonggukjang were conducted. In color, L* and b* values of almond cheonggukjang increased with increasing addition levels of almond. As addition levels of almond increased, there was no change in pH value of almond cheonggukjang. Slime production of almond cheonggukjang with 5:5 (w/w) ratio of almond and soybean was the highest among all samples. These results showed that the almond cheonggukjang exhibited effective growth of microorganisms with increasing addition levels of soybean. The amino nitrogen contents of almond cheonggukjang ranged from 164.85±1.12 mg% to 173.25±1.16 mg%. Almond cheonggukjang with 6:4 (w/w) ratio of almond and soybean and prepared by steaming showed the best results in sensory evaluation, compared to those prepared by steaming with 4:6 (w/w) and 5:5 (w/w) ratios. In conclusion, almond cheonggukjang added with 6:4 (w/w) ratio of almond and soybean and prepared by steaming was the best formula to improve nutritional value and quality of cheonggukjang.
( Jin Hua Chi ),( Hao Jin ),( Wen Yi Jiang ),( Sung Hee Lee ),( In Tae Hwang ),( Suck Chei Choi ),( Geom Seog Seo ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: High Mobility Group Box 1 protein (HMGB1) is a chromatin binding nucleus protein and has proinflammatory cytokine potential when released by damaged or necrosis cells during Inflammatory bowel dieases(IBD). This study is aimed to explore the association between ISQ and HMGB1 release in human intestinal cell. Methods: The protein expression of COX-2, fracnation of NF-κB and HMGB1, concentration of culture medium were analyzed by Western blot. Translocation of NF-κ B and HMGB1 were assessed by Fluorescence staining. Co-Immunoprecipitation assay for demonstrated acetyled HMGB1 in medium. HMGB1 and COX-2 mRNA level was analyzed by RT-PCR. Results: ISQ reduce TNF-a induced release of HMGB1 in extracellular and inhibit nucleus/cytosol translocation. ISQ also regulates NF-κB p65 translocation and inhibit the COX-2 expression which is the downstream of the NF-κB. Moreover ISQ suppressed the release of HMGB1 through reduction of the mRNA level and inhibit HMGB1 acetylation. Conclusions: In this study, all data evidence that released HMGB1 is a proinflammatory cytokine and leads to signaling cascades in inflammatory responses in human intestinal cell. These findings highlight the potential of ISQ for clinical applications in the treatment of intestinal inflammation including IBD.
Wen-Xing Li,Hui-Yang Huang,Jing-Ru Huang,Jin-Jin Yu,Jun Ma,Hai-Hui Ye 한국유전학회 2013 Genes & Genomics Vol.35 No.2
A full-length cDNA of cyclin B was isolated from ovary of the mud crab (Scylla paramamosain) in this study. This transcript encodes a polypeptide of 401 amino acids, which is highly homologous to cyclin B protein family. Reverse transcription-PCR (RT-PCR) showed that cyclin B mRNA was expressed at highest levels in ovary of the mud crab. During the ovarian maturation process, realtime RT-PCR revealed that the abundance of cyclin B mRNA increased from the second stage (early-developing stage) to the fourth stage (nearly-ripe stage) and reached the peak level at the fifth stage (ripe stage). This result indicates the identified cyclin B gene might be related to the cell proliferation in ovary, both mitotically and meiotically. Immunohistochemistry showed that cyclin B protein was localized in the cytoplasm of prophase oocytes at the second stage while enriched in the nuclei of pro-metaphase oocytes at the fourth stage. It suggests the tested cyclin B protein might play different roles in ovary at the two stages.