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Inhibitory Effects on the Enzymes Involved in the Inflammation by the Ethanol Extracts of Plant Foodstuffs (식물성 일반식품 자원의 에탄올 추출물이 염증 효소계에 미치는 영향)

  • Kwon, Eun-Sook;Kim, Il-Rang;Kwon, Hoon-Jeong
    • Korean Journal of Food Science and Technology
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    • v.39 no.3
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    • pp.348-352
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    • 2007
  • Inflammation is a complex process resulting from a variety of mechanisms. Combined inhibition of the activities of enzymes involved in the process may therefore be considered more important in anti-inflammatory property of plant extracts than any single contribution. In this study, the inhibitory effects of the ethanol extracts of thirty plant foods on the activities of secretory phospholipase $A_{2}$ ($sPLA_{2}$), cyclooxygenase-1 (COX-1), cyclooxygenase-2 (COX-2), and 12-lipoxygenase (12-LOX) were examined. Several legumes, mungbean sprout and some leaf vegetables inhibited the activity of $sPLA_2$, upstream enzyme of inflammation pathway. Only soybean sprout and mungbean sprout significantly inhibited 12-LOX activity. Although most of extracts inhibited the activities of both COX-1 and COX-2, water dropwort and amaranth showed selectivity for the inhibition of COX-2 over COX-1. Especially, mungbean showed anti-inflammatory property at both upstream and downstream of inflammation pathway with relatively low $IC_{50}$ values for $sPLA_{2}$ and COX-2 enzymes. Mungbean sprout exhibited inhibitory effects on all enzymes related to early and late inflammation and soybean sprout suppressed 12-LOX and COX-2 simultaneously, although the activities of these plants were showed at relatively high concentration. Therefore, mungbean, mungbean sprout, and soybean sprout appear to exhibit anti-inflammatory effects by combined inhibition of inflammatory enzymes.

Research of 6 MeV Electron Dose Distribution (6 MeV Electron Therapy에서의 Electron Dose Distribution에 관한 연구)

  • Je Jae-Yong;Park Chul-Woo;Jin Sung-Jin;Park Eun-Tae
    • The Journal of Korean Society for Radiation Therapy
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    • v.17 no.2
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    • pp.161-166
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    • 2005
  • Purpose : Electron is used for the treatment of skin cancer, breast cancer, and head and neck cancer in clinic. Our study is performed to check the isodose distribution in source surface distance(SSD)and source bolus distance(SBD)setup, nipple influence to isodose distribution of electron, junctional area isodose variation of photon and electron field. Materials and Methods : The electron dose distribution measures the diameter for 20 cm hemisphere paraffin phantom 2 made. It inserted the film between 2 paraffin phantom and it investigated it got radiation and dose distribution curve. Results : The 8% of isodose difference is with the surface distance(SSD)and source bolus distance(SBD)setup. The electon when the nipple exists inside the field, as nipple size it cuts the bolus and when it puts out and there is a possibility of getting the dose distribution which is homogeneous. When in the junction of electron and photon it uses the bolus it uses in the electron field whole, there is a possibility of getting the dose distribution which is homogeneous. Conclusion : The dose distribution decrease from the SBD setup. To reduce the influence of nipple, corresponding volume of bolus should be removed. And bolus covering all the electron field reduced hot and cold spot of junctional area of photon. In the future becomes the research which sees an effective electron therapy.

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A Study on Problems with the ROK's Bioterrorism Response System and Ways to Improve it (생물테러 대응체제의 문제점과 개선방안 연구)

  • Jung, Yook-Sang
    • Korean Security Journal
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    • no.22
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    • pp.113-144
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    • 2010
  • Bioterrorism is becoming more attractive to terrorist groups owing to the dramatic increase in the utility and lethality of biological weapons in line with today's cutting-edge biological science and technology. The Republic of Korea is facing both internal and external terrorist threats, as well as the possible biological warfare by North Korea. Therefore, it is essential to establish an effective bioterrorism response system in the ROK. In order to come up with the adequate response system for the ROK, an in-depth study has been conducted on the current bioterrorism response system of the U.S. whose preparedness is considered relatively adamant. As a result, the following facts have been found: (1)the legislation with regard to bioterrorism has been established or amended according to the current situation in the U.S., (2)the counter terrorism activities have been integrated with the Department of the Homeland Security as the central agency in order to maximize the national CT capacity, (3)Specific procedures and instructions to cope with bioterrorism have been made into manuals so as to enhance the working-level response capabilities. Next, the analysis on the ROK's bioterrorism response system has been performed in various categories, including the legislation system, task role distribution, cooperative relations, and resource application. It turned out that the ROK's legislation basis is relatively weak and it lacks the apparatus to integrate the bioterrorism response activities on the national level. The shortage of the adequate response facilities and resources, as well as the poor management of manpower have also emerged as problems that hinder the effective CT implementations. Through an analytical and comparative study of the U.S. and the ROK systems, this paper presents several ways to ameliorate improve the current system in the ROK as follows: (1)establish the anti-terrorism law, which would be the basic legal basis for the bioterrorism-related matters; and make revisions to the disaster-related legislation, relevant to bioterrorism response activities, (2)establish an integrated body that has a powerful authority to coordinate the relevant CT agencies; and converge the decentralized functions to maximize the overall response capacity, (3)install the laboratories with a high biosafety level and secure enough of the strategic medical stock-pile, (4)enhance the ability of the inexperienced response personnel by providing with a manual that has detailed instructions.

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Clinical Effect of Avocado/Soybean Unsaponifiables on Osteoarthritis of the Temporomandibular Joint (측두하악관절의 골관절염 치료에서 Avocado/Soybean Unsaponifiables의 효용성)

  • Kim, Hee-Jin;Park, June-Sang;Ko, Myung-Yun;Ahn, Yong-Woo
    • Journal of Oral Medicine and Pain
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    • v.31 no.2
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    • pp.185-197
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    • 2006
  • The aim of this study was to investigate the beneficial effect of a daily dose of 300 mg of ASU taken for more than 3 months on the subjects diagnosed as osteoarthritis of temporomandibular joint by RDC/TMD. Total 68 outpatients(15-54y) of female except menopause in Orofacial Pain Clinics of the Pusan National University Hospital were randomly assigned to either an ASU group(n=36) or a placebo group(n=32). The pain, noise and limited mouth opening(LOM) were evaluated by numerical analogue scale(NAS, range 0-10) and maximum comfortable opening(MCO) were measured by milimeter scale. The difference of simple uptake rate(SUR) on bone scan, hot spot(HS) on coronal SPECT, condylar bony changes on CT between the ASU and placebo groups were compared to investigate the objective effect. The obtained results were as follows. 1. Comparison of the NAS of pain, noise, LOM and MCO before treatment and 3, 6 and 9 months after treatment showed no significant difference between the ASU and placebo groups. 2. Comparison of the NAS of pain, noise, LOM and MCO before treatment and 3, 6 and 9 months after treatment showed no significant difference between the ASU and placebo groups without splint treatment, but showed more increased MCO in the ASU group than the placebo group with splint treatment at 6, 9 months after treatment. 3. Comparison of the NAS of pain before treatment and 3, 6 and 9 months after treatment that the NAS of pain at first visit divided into two groups(above or below 6) showed more decreased the NAS of pain in the ASU group than the placebo group that the NAS of pain at first visit was above 6. 4. Comparison of the NAS of pain, noise, LOM and MCO during 6 months period showed improvement of clinical symptoms within group, but no significant difference between subjects. 5. The simple uptake ratio(SUR) on bone scan and hot spot(HS) on coronal SPECT showed more increased SUR and HS in affected side than non-affected side of the ASU and placebo groups. 6. Comparing of condylar bony changes, osseous remodeling were observed highest, osteophyte lowest in the affected and non-affected side of the two groups. After treatment, comparison of condylar bony changes were observed more decreased erosive features in the ASU group than the placebo group.

Effects of 'Methylen Urea' Slow Released Fertilizer and 'T-Vigor' Microbial Fertilizer as Environmental Fertilizer on Growth of Creeping Bentgrass in Golf Course (친환경적 비료인 완효성 비료 'Methylen Urea' 및 미생물 비료 'T-Vigor' 처리가 골프장 그린의 크리핑 벤트크래스 생육에 미치는 영향)

  • Lee Kyeung-Ju;Lee Jae-Pil;Kim Doo-Hwan
    • Asian Journal of Turfgrass Science
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    • v.18 no.2
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    • pp.63-70
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    • 2004
  • This study was conducted to figure out the effect of 'Methlyen Urea(MU)', slow released fertilizer and 'T-Vigor', microbial fertilizer as environment fertilizer on growth of 'Crenshaw' creeping bentgrass for environmental management in golf course. This study was conducted at No. 3, 4, 5 Valley Courses of Rexfield Country Club from April to July in 2004. MU, T-Vigor, sterilized T-Vigor were applied five times with 5g and 7.5ml per square meter, respectively. Polt size was 1 square meter and there were three replications with Completely Randomize Design. Collecting data were turf density$(No.\;of\;shoot\;/cm^2)$, chlorophyll $amount(\%)$, root length(cm), dry weight of clipping(g), and dry weight of root(g). The results are as follows; All of turf density, chlorophyll amount and dry weight(g) of MU and T-Vigor were better than control and sterilized T-Vigor. Especially root length of MU and T-Vigor was superior to control and sterilized T-Vigor, even if temperature and humidity was high. In conclusion, MU and T-Vigor might be used as slow release fertilizer for environmental green management in golf course.

A Comment on the Standard for International Jurisdiction to foreign-related cases by the employment contract and tort in Air crash (항공기사고에서 국제근로계약과 불법행위의 국 제재판관할권 판단기준)

  • Cho, Jeong-Hyeon;Hwang, Ho-Won
    • The Korean Journal of Air & Space Law and Policy
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    • v.31 no.2
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    • pp.73-98
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    • 2016
  • This is a case review of the Korean Supreme Court about international jurisdiction over a foreign-related case. This case is a guideline to other following cases how Korean court has international jurisdiction over the foreign elements cases. This case was an air crash accident in Busan, Korea. And the applicant was a chinese who was parents of flight attendant. The defendant was Air China. The applicant suid the defendant in Korea court, requesting for compensation for damages based on the contract of employment between died employee and the defendant and tort. The trial court rejected jurisdiction. But Supreme court granted jurisdiction on Korean court. The court determined the jurisdiction by the Korean Private International Law Act(KPILA). The KPILA has a concept of 'substantial connection', it is a main legal analysis to determine the jurisdiction. In the act, Article 2 Paragraph 1 says "In case a party or a case in dispute is substantively related to the Republic of Korea, a court shall have the international jurisdiction. In this case, the court shall obey reasonable principles, compatible to the ideology of the allocation of international jurisdiction, in judging the existence of the substantive relations." And Article 2 Paragraph 2 declares "A court shall judge whether or not it has the international jurisdiction in the light of jurisdictional provisions of domestic laws and shall take a full consideration of the unique nature of international jurisdiction in the light of the purport of the provision of paragraph (1)." In this case review find concepts, theories and cases out to clarify the meaning about Article 2 of the KPILA. Also it quoted from the concept of "the base rule" in Rome I (Regulation (EC) 593/2008 on the law applicable to contractual obligations) to apply the contract of employment between flight attendant and Air carrier.

Effect of Inhaled Fluticasone Propionate on Hypothalamic-Pituitary-Adrenal Axis in Bronchial Asthma Patient (기관지 천식환자에서 Fluticasone Propionate 흡입제가 Hypothalamic-Pituitary-Adrenal Axis에 미치는 영향)

  • Hwang, Jun-Kyu;Lee, Ho-Meong;No, Yang-Won;Park, Gye-Young;Park, Chong-Wung;Park, Jae-Kyung;Jeong, Seong-Hwan;Nam, Gui-Hyun;Kim, Hong-Kyu;Park, Hye-Young;Kang, Moon-Ho
    • Tuberculosis and Respiratory Diseases
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    • v.51 no.1
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    • pp.25-34
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    • 2001
  • Background : Inhaled glucocorticoids are the medical treatment of choice in asthma patients. Fluticasone propionate is one of the most effective inhaled corticosteroids and has been reported to have minimal effect on the hypothalamic-pituitary-adrenal axis at the recommended dose. However, reports of long-term trials characterizing their systemic safety with chronic use are rare. This study was designed to evaluate the long-term safety of inhaled fluticasone propionate to the hypothalamic-pituitary-adrenal axis. Method : This study was conducted on 21 patients to evaluate the adrenal response to rapid ACTH stimulation test after 6 months of treatment with fluticasone propionate from $200\;{\mu}g$ to $750\;{\mu}g$ daily. The serum cortisol levels was measured to assess its effect on the hypothalamic-pituitary-adrenal axis just prior to the injection, at 30 minutes and 60 minutes after an intramuscular injection of synthetic ACTH. Result : The mean dose of inhaled fluticasone propionate was $355\;{\mu}g$ per day(SD=$174\;{\mu}g$, range=$200\;{\mu}g$ to $750\;{\mu}g$). The mean serum cortisol levels of the patients was $11.0\;{\mu}g/d{\ell}$(SD=$6.4\;{\mu}g/d{\ell}$) prior to the injection, $20.0\;{\mu}g/d{\ell}$ (SD=$7.7\;{\mu}g/d{\ell}$) after 30 minutes, and $23.0\;{\mu}g/d{\ell}$(SD=$6.3\;{\mu}g/d{\ell}$) after 60 minutes. Sixteen patients of the 21 patients had a normal response(> $18\;{\mu}g/d{\ell}$), and 5 out of the 21 patients had serum cortisol levels below the normal range after the rapid ACTH stimulation test. Conclusion: Adrenal suppression occurred in 5 out of 21 patients with 6 months treatment with inhaled fluticasone propionate.

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Survey of Diease and Weed Control in Organic and Free-pesticide Cultivation of Chunnam Area 'Ssam' Vegegable (전남지역 쌈채류 무농약.유기재배농가의 잡초, 병해충관리 실태분석)

  • Lim, Kyeong-Ho;Kim, Sun-Guk;Choi, Kyong-Ju;Kim, Do-Ik;Kim, Seon-Gon;Lee, Yong-Hwan
    • Korean Journal of Organic Agriculture
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    • v.15 no.1
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    • pp.109-121
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    • 2007
  • For developing standard method for diease, pest and weed control in environmental friendly 'Ssam' vegetable cultivation, this study was carried out to investigating agriculture material use in organic agriculture and no pesticide cultivation for lettuce, kale, leafy perilla and korean cabbage. The 28.6% of investigated farmer carried out seed sterilization by seed selection with salt solution and soaking in chitosan that not validated. For raising seedling periods, the 55.6% of farmer did not use environmental-friendly agriculture material for, diease control and the 50% of farmer used one time for. pest control. Therefore, the control of disease and pest could be achieved with one or two times use of environmental-friendly agriculture material. Seed sterilization was carried out by soil solar sterilization, one time per year in 71.4% of farmer. Weed was controled by black PE film for weed germination of furrow in many farmer, by man-power weeding for weed of ridge in 85% of farmer and by machine weeding and mulching in some farmer. During cultivation period, the major pest were Aphis gossypii in lettuce, Plutella xylostella in kale, Plutella xylostella and Phyllotreta striolata (Fabricius) in korean cabbage and Pyrausta panopealis (Walke) in feat perilla. The many farmers used environ-mental-friendly agriculture material for control of pest over 10 times for spring season, and more used sold materials in market than home-made materials. In result, it needs to develop standardized method and validate cultivation methods for control of disease and pest, and seed sterilization treatment environmental-friendly 'Ssam' vegetable.

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Possibility of Substituting Softwoods for Tropical Hardwoods of Door Frames (침엽수재(針葉樹材)의 남양활엽수(南洋闊葉樹) 문틀재(材) 대체(代替) 가능성(可能性) 조사(調査))

  • Kang, Ho-Yang;Jang, Sang-Sik;Lee, Hwa-Hyoung
    • Korean Journal of Agricultural Science
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    • v.21 no.2
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    • pp.103-110
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    • 1994
  • Since the supply of the Southeast Asian tropical timber decreases and its price steeply increases in the international lumber market, door and window frame manufacturers in this country are eagerly searching for their substitutes. This is the first step to replace Southeast Asian tropical timber by low grade North American softwoods, whose reliable and steady supply is expected, but their appearances are not as good as the tropical timber. In this study, knot distribution on the softwood boards and their warp were examined The yield and production cost were also calculated. The average numbers of knots on a door frame were 7.2 for Douglas-fir and 3.4 for Western hemlock. Only 11% of the knots of Douglas-fir door frames are larger than 5cm in diameter, while are 35% of the knots of Western hemlock. The deformations of door frames, after 2 months air-drying, were measured with a warp table. The deformations of Western hemlock door frames were mostly less than 6mm, while those of Douglas-fir distributed in the range of 0.5 and 9.5mm. The yield of Western hemlock is higher than that of Douglas-fir. It can be concluded that the door frames made of the softwoods are compatible with those made of the tropical timber in most aspects except appearance.

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Effectiveness of Multimodal Pain Control in Early Phase After Arthroscopic Rotator Cuff Repair (관절경하 회전근 개 봉합술 후 다중 통증 조절법을 이용한 초기 통증 조절의 유용성)

  • Park, Chang-Min;Kim, Jong-Hae;Kim, Suk-Jun;Choi, Chang-Hyuk
    • Clinics in Shoulder and Elbow
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    • v.15 no.1
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    • pp.1-7
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    • 2012
  • Purpose: The purpose of this study was to identify the effectiveness of multimodal pain control method in an early phase after arthroscopic rotator cuff repair, under interscalene brachial plexus block, this study was performed. Materials and Methods: The study was progressed with the 80 cases of arthroscopic rotator cuff repair. Interscalene brachial plexus block was used to all of the 80 cases and patients were divided into 2 groups. Group A consisted of patients injected with bupivacaine, through subacromial space catheter after surgery, and group B consisted of patients with additional method of multimodal pain control using oral opioids, acetaminophen-tramadol complex and selective COX2 inhibitor. Subacromial cathter was removed after injection in both groups. The pain during the day time and night time was compared on the operation day, postoperative 1st, 2nd, 3rd day and 2nd weeks, and it was measured with VAS (visual analogue scale) score. Additionally, the number of ketolorac injection and side-effect related to analgesics was compared between the 2 groups. Results : The mean VAS score of night time on the operation day and day/night time pain of the 1st, 2nd, 3rd day and 2nd weeks was 7.4, 7.0/6.8, 4.5/5.2, 4.8/5.0, 2.2/2.7 on group A and 6.5, 4.3/5.4, 3.2/4.3, 3.0/4.1, 2.4/2.5 on group B, respectively. Significant difference was observed in the night pain on the operation day, 1st, 2nd, 3rd day time and 1st night time pain (p<.05). The average number of ketololac injection was 1.1 and 0.5 in each group, and there was no difference in the frequency of side effects. Conclusion: Multimodal pain control method, after arthroscopic rotator cuff repair, showed an effective early pain control and improved patients' satisfaction.