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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.
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.
WEN, JIN,CHENG, JUN-FENG The Korean Society for Computational and Applied M 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, Min,Zheng, Jin Hai,Choi, Jin Myung,Pei, Jian,Li, Chun-Hao,Li, Song-Yuan,Kim, In-Young,Lim, Sa-Hoe,Jung, Tae-Young,Moon, Kyung-Sub,Min, Jung-Joon,Jung, Shin Elsevier 2018 Cancer letters Vol.433 No.-
<P><B>Abstract</B></P> <P>Glioma is one of the most devastating and refractory cancers. The main factors underlying therapeutic failure include extremely invasive characteristics and lack of effective methods for drug delivery. Attenuated <I>Salmonella</I> strains presented a high concentration of tumor targets in various types of cancer models, suggesting a role as potential vectors for drug delivery. In this study, we genetically engineered an attenuated strain of <I>Salmonella</I> as an anti-invasive vector for the targeted delivery and expression of tissue inhibitor of metalloproteinases 2 (TIMP-2) in an orthotopic nude mouse model of glioma. The bioluminescence signals related to tumor size significantly declined in the TIMP-2-expressing <I>Salmonella</I> (SLpTIMP-2)-treated group compared with the control group. Compared with the control group with a survival rate of an average of 33 days, the SLpTIMP-2 group showed an extended survival rate by nearly 60% and lasted an average period of 53 days with TIMP-2 induction. These results indicated the promising therapeutic potential of <I>S. typhimurium</I> for targeted delivery and secretion of TIMP-2 in glioma.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Intracranial injection of <I>Salmonella</I> has been demonstrated to be a more effective than tail vein injection. </LI> <LI> Treatment with TIMP-2-expressing bacteria showed down regulation of MMP-2 in orthotopic glioma. </LI> <LI> TIMP-2-expressing bacteria significantly inhibited tumor growth and elongated animal survive. </LI> </UL> </P>
Isolation of Constituents and Anti-complement Activity from Acer okamotoanum
Jin, Wen-Yi,Min, Byung-Sun,Lee, Jong-Pill,Thuong, Phuong Thien,Lee, Hyeong-Kyu,Song, Kyung-Sik,Seong, Yeon-Hee,Bae, Ki-Hwan 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.2
A novel acylated sterol glucoside (1) along with four known compounds, ${\beta}$-amyrin acetate (2), 3${\beta}$,24-dihydroxytaraxer-14-ene (3), cleomiscosin A (4), and cleomiscosin C (5), were isolated from the leaf and twig of Acer okamotoanum Nakai (Aceraceae). The structure of the new compound was determined to be ${\beta}$-sitosterol glucoside-3'-O-hexacosanoicate based on chemical and spectroscopic analyses. In addition, the novel compound was found to exhibit a significant inhibitory effect (IC$_{50}$ value of 0.2 ${\mu}$M) on the complement system activated by the classical pathway.
Triterpenoids and Diarylheptainoids from Alnus hirsuta Inhibit HIF-1 in AGS Cells
Jin, Wen-Yi,Cai, Xing-Fu,Na, Min-Kyun,Lee, Jung-Joon,Bae, Ki-Hwan 대한약학회 2007 Archives of Pharmacal Research Vol.30 No.4
Bioassay-guided fractionation and purification of the EtOAc soluble fraction from the MeOH extract of the stem bark of Alnus hirsuta (Betulaceae), using an in vitro HIF-1 assay, led to the isolation of four triterpenoids (1-4) and six diarylheptanoids (5-10). Their structures were deter-mined by comparison with the physicochemical and spectroscopic data in the literature. These compounds were investigated for their effects on the hypoxia-induced HlF-1 activation using an HIF-1 a mediated reporter gene assay in AGS cells. Among them, two diarylheptanoids, 2-oxatrycyclo[13.2.2.13,7]eicosa-3,5,7(20),15,17,18-hexaen-10-16-diol (6) and 2-oxatrycyclo[13.2.2.13,7]eicosa-3,5,7-(20),15,17,18-hexaen-10-one (7), inhibited HIF-1 activation dose-dependently with IC$_{50}$ values of 11.2 ${\mu}$M and 12.3 ${\mu}$M, respectively. These two compounds had no significant cytotoxicity to the AGS cells at the effective concentration for the inhibition of HIF-1 activation.
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.