• 제목/요약/키워드: heat-treat method

검색결과 64건 처리시간 0.162초

위증에 대한 동서의학적(東西醫學的) 고찰(考察) (The Literatual Study on the Wea symptom in the View of Western and Oriental Medicine)

  • 김용성;김철중
    • 혜화의학회지
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    • 제8권2호
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    • pp.211-243
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    • 2000
  • This study was performed to investigate the cause, symptom, treatment, medicine of Wei symptom through the literature of oriental and western medicine. The results obtained were as follows: 1. Wei symptom is the symptom that reveals muscle relaxation without contraction and muscle relaxation occures in the lower limb or upper limb, in severe case, leads to death. 2. Since the pathology and etiology of Wei symptom was first described as "pe-yeol-yeop-cho"(肺熱葉焦) in Hung Ti Nei Ching(黃帝內經), for generations most doctors had have accepted it. but after Dan Ge(丹溪), it had been classified into seven causes, damp-heat(濕熱), phlegm-damp(濕痰), deficiency of qi(氣虛), deficiency of blood(血虛), deficiency of yin(陰處), stagnant blood(死血), stagnant food(食積). Chang Gyeng Ag(張景岳) added the cause of deficiency of source qi(元氣). 3. The concept of "To treat Yangming, most of all"(獨治陽明) was emphasized in the treatment of Wei symptom and contains nourishment of middle warmer energy(補益中氣), clearance of yangming-damp-heat(淸化陽明濕熱). 4. Since Nei-ching era(內經時代), Wei and Bi symptom(痺症) is differenciated according to the existence of pain. After Ming era(明代) appeared theory of co-existence of Wei symptom and pain or numbness but they were accepted as a sign of Wei symptom caused by the pathological factor phelgm(痰), damp(濕), stagnancy(瘀). 5. In the western medical point of view, Wei symptom is like paraplegia, or tetraplegia. and according to the causative disease, it is accompanied by dysesthesia, paresthsia, pain. thus it is more recommended to use hwal-hyel-hwa-ae(活血化瘀) method considering damp-heat(濕熱), qi deficiency of spleen and stornach(脾胃氣虛) as pathological basis than to simply differenciate Wei and Bi symptom according to the existence of pain. 6. The cause of Gullian-Barre syndrome(GBS) is consist of two factors, internal and external. Internal factors include asthenia of spleen and stomach, and of liver and kidney. External factors include summur-damp(暑濕), damp-heat(濕熱), cold-damp(寒濕) and on the basis of "classification and treatment according to the symptom of Zang-Fu"(臟腑辨證論治), the cause of GBS is classified into injury of body fluid by lung heat(肺熱傷津), infiltration of damp-heat(濕熱浸淫), asthenia of spleen and kidney(脾腎兩虛), asthenia of spleen and stomach(脾胃虛弱), asthenia of liver and kidney (肝腎兩虛). 7. The cause of GBS is divided by according to the disease developing stage: Early stage include dryness-heat(燥熱), damp(濕邪), phlegm(痰濁), stagnant blood(瘀血), and major treatment is reducing of excess(瀉實). Late stage include deficiency of essence(精虛), deficiency with excess(虛中挾實), and essencial deficiency of liver and kidney(肝腎精不足) is major point of treatment. 8. Following is the herbal medicine of GBS according to the stage. In case of summur-damp(暑濕), chung-seu-iki-tang(淸暑益氣湯) is used which helps cooling and drainage of summer-damp(淸利暑濕), reinforcement of qi and passage of collateral channels(補氣通絡). In case of damp-heat, used kun-bo-hwan(健步丸), In case of cool-damp(寒濕), used 'Mahwang-buja-sesin-tang with sam-chul-tang'(麻黃附子細辛湯合蓼朮湯). In case of asthenia of spleen and kidney, used 'Sam-lyeng-baik-chul san'(蔘笭白朮散), In case of asthenia of liver and kidney, used 'Hojam-hwan'(虎潛丸). 9. Following is the herbal medicine of GBS according to the "classification and treatment according to the symptom of Zang-Fu"(臟腑辨證論治). In the case of injury of body fluid by lung heat(肺熱傷津), 'Chung-jo-gu-pae-tang'(淸燥救肺湯) is used. In case of 'infiltration of damp-heat'(濕熱浸淫), us-ed 'Yi-myo-hwan'(二妙丸), In case of 'infiltration of cool-damp'(寒濕浸淫), us-ed 'Yui-lyung-tang', In case of asthenia of spleen, used 'Sam-lyung-bak-chul-san'. In case of yin-deficiency of liver and kidney(肝腎陰虛), used 'Ji-bak-ji-hwang-hwan'(知柏地黃丸), or 'Ho-jam-hwan'(虎潛丸). 10. Cervical spondylosis with myelopathy is occuered by compression or ischemia of spinal cord. 11. The cause of cervical spondylosis with myelopathy consist of 'flow disturbance of the channel points of tai-yang'(太陽經兪不利), 'stagnancy of cool-damp'(寒濕凝聚), 'congestion of phlegm-damp stagnant substances'(痰濕膠阻), 'impairment of liver and kidney'(肝腎虛損). 12. In treatment of cervical spondylosis with myelopathy, are used 'Ge-ji-ga-gal-geun-tang-gagam'(桂枝加葛根湯加減), 'So-hwal-lack-dan-hap-do-hong-eum-gagam(小活絡丹合桃紅飮加減), 'Sin-tong-chuck-ue-tang-gagam(身痛逐瘀湯加減), 'Do-dam-tang-hap-sa-mul-tang-gagam'(導痰湯合四物湯加減), 'Ik-sin-yang-hyel-guen-bo-tang'(益腎養血健步湯加減), 'Nok-gakyo-hwan-gagam'(鹿角膠丸加減). 13. The cause of muscle dystropy is related with 'the impairement of vital qi'(元氣損傷), and 'impairement of five Zang organ'(五臟敗傷). Symptoms and signs are classified into asthenia of spleen and stomach, deficiency with excess, 'deficiency of liver and kidney'(肝腎不足) infiltration of damp-heat, 'deficiency of qi and blood'(氣血兩虛), 'yang deficiency of spleen and kidney'(脾腎陽虛). 14. 'Bo-jung-ik-gi-tang'(補中益氣湯), 'Gum-gang-hwan'(金剛丸), 'Yi-gong-san-hap-sam-myo-hwan'(異功散合三妙丸), 'Ja-hyel-yang-gun-tang'(滋血養筋湯), 'Ho-jam-hwan'(虎潛丸) are used for muscle dystropy. 15. The causes of myasthenia gravis are classified into 'insufficiency of middle warmer energy'(中氣不足), 'deficiency of qi and yin of spleen and kidney'(脾腎兩處), 'asthenia of qi of spleen'(脾氣虛弱), 'deficiency of qi and blood'(氣血兩虛), 'yang deficiency of spleen and kidney'(脾腎陽虛). 16. 'Bo-jung-ik-gi-tang-gagam'(補中益氣湯加減), 'Sa-gun-ja-tang-hap-gi-guk-yang-hyel-tang'(四君子湯合杞菊地黃湯), 'Sa-gun-ja-tang-hap-u-gyi-eum-gagam'(四君子湯合右歸飮加減), 'Pal-jin-tang'(八珍湯), 'U-gyi-eum'(右歸飮) are used for myasthenia gravis.

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통합의료적 황달진단법개발을 위한 통계적 접근방법 (Development of integrative diagnosis methods for the jaundice through statistical analysis)

  • 신임희;곽상규;김상경;손기철;정현정;조윤정;이아진;권오승
    • Journal of the Korean Data and Information Science Society
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    • 제24권3호
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    • pp.515-521
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    • 2013
  • 건강 관리에 있어서 서양의학과 한의학의 접근 방법의 차이는 자연과 인간의 이해에 대한 문화적인 차이에서 비롯된다. 서양의학에서는 자연과 인간을 분리하고 인간 또한 여러 하위 시스템으로 나누고, 질병을 외부의 자극에 대한 반응이 적절하지 못하여 초래되는 것으로 보고 질병이 발생되면 시스템 별로 진단하여 치료해 왔다. 반면, 한의학의 경우 자연과 인간을 하나로 보고 인간의 건강을 자연과의 조화로운 상태로 규명하고 질병이 발생하기 전에 건강의 균형을 유지하기 위한 면역 기능을 높이는 예방적 치료를 주로 해왔다. 이러한 인간에 대한 근본적인 접근방법의 차이는 의료 전달체계를 양분화 시키고 상호 의사소통의 어려움을 야기했으나 통합 의료 서비스는 두 가지 의학의 장점을 살리고 최상의 치료 효과를 지향하는 시도라고 할 수 있다. 따라서 본 논문에서는 특정 질환인 황달에 대해 한의학적 분류 (습증, 열증)에 따른 서양의학에서 사용하는 혈액학적 검사수치를 통계적 분석기법을 사용하여 살펴보고 차이가 있는 수치를 살펴봄으로써 통합의료적 환자 진단과 치료에 적용할 수 있는 접근 방법을 살펴보고자 한다.

한우의 신속한 증식을 위한 번식기술 개발에 관한 연구 - III. 한우에서 번식장애 처치 및 $\textrm{PGF}_{2a}$의 난소실질내 투여효과에 관한 연구 (Studies on Development of Breeding Technique to Increase Hanwoo (Bos taurus coreanae) III. Hormonal Treatment of Reproductive Disorders and Effect of Intraovarian $\textrm{PGF}_{2a}$ Administration in Hanwoo)

  • 손창호;오병철;임원호;백종환;오명환;이강남;정근기;강성근;김대영
    • 한국수정란이식학회지
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    • 제17권2호
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    • pp.153-162
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    • 2002
  • 본 연구에서는 한우의 신속한 증식을 위한 번식기술 개발을 위해 발정이 재귀되지않은 무발정 한우의 번식장애 치료효과와 공태기를 감축하기 위한 난소실질내 PGF/sub 2$\alpha$처치효과를 알아보았다. 1. 번식장애의 감별진단 결과는 검사두수 43두중 둔성발정 또는 발정발견의 잘못이 18두 (41.9%)로 가장 많았고, 난소기능정지 14두 (32.6%), 난포낭종 4두(9.3%), 영구황체 3두 (7.0%), 자궁내막염 2두 (4.7%), 자궁축농증과 황체낭종은 각각 1두(2.3%)로 나타났다. 2. 둔성발정 또는 발정발견의 잘못 18두를 PGF/sub 2$\alpha$/ 25 mg으로치료하여 18두가 발정이 발현되었고 이중 16두 임신되었다. 3. 난소기능정지의 경우는 GnRH 200$\mu\textrm{g}$으로 치료하여 10두중 8두가 발정이 발현되어 이중 7두가 임신이 되었으며, 난포낭종도 역시 CnRH 200$\mu\textrm{g}$으로 치료하여 4두중 3두가 발정이 발현되어서 인공수정후 임신이 되었다. 4. 영구황체 3두와 황체낭종 1두는 각각 PGF/sub 2$\alpha$/ 25 mg으로 치료하여 3두 모두 발정이 발현되어 수정후 임신이 되었다. 5. 자궁내막염 2두는 PGF/sub 2$\alpha$/25mg과 항생제 요법을 병행한 결과 2두 모두 발정이 발현되어서 인공수정후 임신이 되었다. 6.공태기를 줄이기 위한 방법으로 분만 후 20일이 경과한 소에 대해 14일 간격으로 PGF/sub 2$\alpha$/의 난소실질내 투여시 공여동물 23두중 17두에서 임신이 확인되어 74%의 수태율을 보였다. 또한 11일 간격으로 PGF/sub 2$\alpha$/ 를 투여한 군에서는 17두중 16두가 임신되어 94%의 높은 수태율을 보여 공태기를 더 단축할 수 있는 우수한 처리법임을 알 수 있었다.

17세기 초 조선에서 유행한 '당독역'에 대한 연구 -허준의 『벽역신방』을 중심으로- (A Study on 'Dangdokyeok' Epidemics in the Early 17C of the Joseon -Focusing on Heojun's 『Byeokyeoksinbang』-)

  • 조원준;김용익;염기복;임효종;정우열;전병훈
    • 동의생리병리학회지
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    • 제18권2호
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    • pp.311-343
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    • 2004
  • Various aspect of epidemics broke out continually from the middle of Joseon Dynasty due to the famine and drought caused by abnormal climate of the sixteenth century and the war. Thus the Dynasty performed sacrificial rites, isolated the patients and published plenty of medical books related epidemics in order to cure of the patients, and Heojun edited 『Byeokyeoksinbang』 as 'Dangdokyeok' broke out at Gwanbuk(關北) districts in 1613, Heojun explained the cause of Dangdokyeok as meteorology under the feudal conditions, and concluded Simhwa(心火) by fever toxin, Therefore he selected the method of puting out Simhwa by attack of fever toxin. In addition he presented emergency treatment that can maintain the airway by bleeding. To treat Dangdokyeok, Heojun presented lots of prescriptions so as Seungmagalgeuntang(升麻葛根湯), Cheongyeolhaedoksan(淸熱解毒散), Yeongyopaedok-san(連翹敗毒散), Bangpungtongsaongsan(防風通聖散), Jowiseunggitang(調胃升氣湯) and Hwangryeonhaedoktang(黃連解毒湯) etc. And he proposed Samdueum (三豆飮), Realgar(石雄黃) and so on to prevent infection from that. They presume from 120 to 150 years as the period of human adaptation to the first epidemics. Dangdokyeok put a large number of people to death at first, but it wasn't referred at the history any more after Byeokyeoksinbang. So we can say that the treatment of Heojun may be effective. Common cold and dyspeptic cold broke out in our country differently from 'Shanghan(傷寒)' in the China, so we had settled 'pestilence infectious epidemic disease(瘟疫)' while 'epidemic febrile disease(溫病)' of the China. Dangdokyeok of Heojun is similar to 'Scalet fever' belonging to 'virulent heat pathogen(溫毒)', 'newly epidemic febrile disease(新感溫病)'. As a cure of Dangdokyeok, the Korean medicine uses the treatment of removing fever state whereas the western medicine uses the antibiotics to kill the streptococcus. The symptoms of Dangdokyeok are remarkably similar to those of the Scarlatina, so this occupies a high position on the world history of medicine in aspects of the period and details of symptoms. These days we have the problems that the tolerance of antibiotics increases and disease of unknown cause is prevalent. It means the western medicine get to limits. So if we progress epidemiography based on Heojun's medicine, we may contribute to the world history of medicine.

추간판성통증 동물모델의 개발: 초기 연구 (Development of a Discogenic Pain Animal Model: Preliminary Study)

  • 김병조;이민;임은정;유성욱;홍성하;홍석주;나흥식
    • Annals of Clinical Neurophysiology
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    • 제11권2호
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    • pp.41-47
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    • 2009
  • Background: Discogenic pain can develop into chronic low back pain that is very difficult to treat effectively, because the pathogenesis of the disease still remains controversial. To clarify the pathogenesis, numerous animal models of intervertebral disc degeneration have been proposed in the literature, each with attendant advantages and disadvantages. The aim of this study was to determine the most efficacious method and dose of complete Freund's adjuvant (CFA) injection into intervertebral disc to develop a discogenic pain in a rat. Methods: CFA was injected into the L5-L6 or L4-L5 disc of male Sprague-Dawley rats in various conditions including a dose of CFA (10, 20, or 50 uL), drilling, injection site sealing using cyanoacrylate, and injection velocity. Sham animals were subjected to the same procedure, except for the CFA injection. Mechanical and heat allodynia were serially measured at both hindpaws until 8 weeks post-operatively. Serial MRI analyses were performed to observe degenerative changes of the discs. In addition, CGRP & Substance P-immunoreactivities (ir) in the superficial dorsal horn were evaluated at 4 weeks using immunohistochemistry. Results: Each condition provoked various problems such as development of hindpaw paralysis, CFA leakage, and no pain development. Mid-sagittal T2 MRI revealed no significant degenerative changes in the CFA injected disc. The CGRP-ir of the bilateral superficial dorsal horns at the level of L5-L6 was significantly increased in the CFA group. Conclusions: A total of 10 uL CFA injection into L5-L6 disc for a period of 10 minutes using a 26-gauge needle without drilling was the most efficacious way to develop discogenic pain animal model.

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태음인 처방의 본초 조합 용례 분석 - 중요 고문헌을 중심으로 - (Analysis of the prescription for persons of Taiyin constitution (太陰人 Tae-eum) in the herbal formulas and cases found in classic texts)

  • 김성원;이병욱;김기욱
    • 한국의사학회지
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    • 제33권1호
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    • pp.31-41
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    • 2020
  • Purpose : This study compares prescriptions in the 1901 edition of the Donguisusebowon (東醫壽世保元) and the 1901 edition of 24 Revised Tae-eum constitution prescriptions (新定太陰人病應用要藥二十四方) (1901PCDT) with medical herbs found in classical texts. This study also examines whether to include patterns which compose medical herbs for the person of Tae-eum constitution (太陰人). Method : The prescriptions for Tae-eum-in in the Shinchukbon and the ingredients of medical herbs of the prescriptions of the Complete Works of Zhang Jingyue (景岳全書), Secret Works of Universal Benefit (廣濟秘笈), Treasured Mirror of Eastern Medicine (東醫寶鑑), Comprised Edition for Formulas (方藥合編), Protecting Essence for Longevity (壽世保元), Introduction to Medicine (醫學入門), New Book for Saving People (濟衆新編 ENGLISH), and Compendium of Local Medicinals and Formulas (鄕藥集成方) were input into a database. The prescriptions were examined and combinations of medical herbs used to treat the person of Tae-eum constitution were noted. Result : Among the prescriptions for the person of Tae-eum constitution, similar examples of the 17 prescriptions of Kudzu Decoction to Relieve the Muscles (葛根解肌湯), Regulate the Stomach and Coordinate the Purity Decoction (調胃升淸湯), Clear the Heart and Lotus Pip Decoction (淸心蓮子湯), Decoction for Stabilizing Asthma with Ephedra (麻黃定喘湯), Profuse Heat and Sparse Cold Decoction (熱多寒少湯), Decoction for Coordinating Qi with Kudzu (葛根承氣湯), Major Decoction for Coordinating Qi with Kudzu (葛根大承氣湯), Minor Decoction for Coordinating Qi with Kudzu (葛根小承氣湯), Decoction for Dispersing the Exterior with Ephedra (麻黃發表湯), Boost the Lung Essence Decoction (補肺元湯), Major Supplementing Decoction with Deer Antler Velvet (鹿茸大補湯), Boosting Black Essence Pill (拱辰黑元丹), Honeylocust Fruit and Rhubarb Decoction (皂角大黃湯), Kudza and Duckweed Decoction (葛根浮萍湯), Sweet Flag and Polygala Powder (石菖蒲遠志散), Liriopis and Polygala Decoction Powder (麥門冬遠志散), and Cattle Gallstone Formula to Clear the Heart (牛黃淸心元) were found in important ancient literature and Dried Chestnut and Holotrichia Decoction (乾栗蠐螬湯) and Dried Chestnut and Tree of Heaven Root Bark Decoction (乾栗樗根皮湯) are the combination originally set by Lee Jema. Conclusion : Because 70.8% of the prescriptions in 1901PCDT could be found in literature which were pervasive in the period of the Joseon Dynasty (the period of Ming and Qing), it corresponds with Lee Jema's view that medical men in the Song, Yuan, and Ming Dynasties disclosed half of the prescriptions for Tae-eum person by studying these texts more.

녹차추출물의 잇몸 질환 원인균에 대한 항염증 효능 연구 (The Anti-inflammatory Effect of Green Tea Extract Against Prevotella intermedia)

  • 민대진;이성원;이성훈;김승섭;김찬호;이존환;배지현;김한곤
    • 대한화장품학회지
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    • 제37권1호
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    • pp.67-73
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    • 2011
  • 치아의 세균들은 잇몸에서 염증반응을 일으켜서 치은염과 치주염같은 잇몸 질환의 원인이 된다. 따라서 잇몸질환의 예방과 치료를 위해서는 치아 세균에 의한 염증반응을 조절하는 것이 가장 효과적인 방법이다. 현재 대부분의 구강 관리 제품들은 살균제를 이용하여 구강 세균을 제거하는 방법을 사용하고 있다. 하지만 최근의 연구들은 심지어 열처리로 사멸된 구강 세균도 염증반응을 일으킬 수 있다는 사실을 보고하고 있다. 따라서 보다 효과적인 잇몸 염증반응억제를 위해서는 살균제를 이용한 방법에 대한 개선이 필요하다. 또한 아직까지 구강 세균에 의한 잇몸 염증반응의 기작과 효과적인 천연 염증 억제 물질들은 보고되어 있지 않다. 본 연구에서는 대표적인 치은염, 치주염 유발세균인 Prevotella intermedia와 인간의 잇몸상피세포를 이용하여, 실제로 잇몸에서 일어나는 염증반응의 기작을 연구하고, 이를 통해 효과적인 천연 잇몸 염증 완화 물질을 도출하려고 하였다. 실험 결과, Prevotella intermedia는 잇몸상피세포를 자극하여 염증매개인자인 IL-8을 분비하게 함으로써 잇몸 염증반응을 개시하였다. 또한 Prevotella intermedia에 의한 잇몸 염증반응은 기전적으로 COX-2, AP-1, TNF-${\alpha}$와 연관되어 있었으며, 녹차추출물은 Prevotella intermedia에 의한 잇몸 염증반응을 효과적으로 억제할 수 있음을 확인하였다. 따라서 본 연구는 치아 세균에 의한 잇몸 염증반응의 기전 연구를 통해서 효과적인 천연 잇몸질환 개선 물질을 도출했다는 점에서 중요한 의미를 가진다.

희첨 추출물이 B16F10 세포에서 Melanin 생성과 Tyrosinase 활성에 미치는 억제효과 (Inhibitory Effects of Siegesbeckia Herba Extracts on the Melanin Production and Tyrosinase Activity in B16F10 cells)

  • 김지수;정민영;김종한;최정화;박수연
    • 한방안이비인후피부과학회지
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    • 제28권1호
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    • pp.11-22
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    • 2015
  • Objective : Siegesbeckia Herba can treat various skin disease by expelling wind and removing dampness and clearing away heat and toxic material effects. This study was designed to investigate effects of Siegesbeckia Herba Extracts(SHE) on skin elasticity and whitening using B16F10 cell lines. Method : In this experiment, We observed effect of SHE on cell viability, inhibition of melanin synthesis and inhibitory effect on tyrosinase and elastase. Results : 1. SHE treated group showed decreased cell viability rates significantly compared with non-treated group. More than SHE $250{\mu}g/ml$, $500{\mu}g/ml$ and $1,000{\mu}g/ml$ of treated groups were lower levels of melanin synthesis respectively. 2. SHE significantly showed tyrosinase inhibitory activity in vitro, SHE increased tyrosinase inhibitory activity and elastase inhibitory activity in B16F10 cells, and tyrosinase inhibitory activity in vitro. 3. Tyrosinase inhibitory activity and elastase inhibitory activity in B16F10 cells, tyrosinase inhibitory activity in vitro were not accepted statistical significance compared with non-treated group. 4. SHE treated group showed increased SOD-like activity rates significantly compared with non-treated group. More than SHE $250{\mu}g/ml$, $500{\mu}g/ml$ and $1,000{\mu}g/ml$ of treated groups were lower levels of melanin synthesis respectively. Conclusion : These results suggest that SHE can inhibit melanin synthesis and tyrosinase inhibtory activity. So, We suggest that SHE can be maintained skin whitening.

한약의 전이재발억제 효과에 관한 연구 (Study on inhibition effects on metastasis and recurrence of Traditional Herb Medicine(THM))

  • 이상섭;유화승;조정효;손창규;이연월;조종관
    • 대한한방종양학회지
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    • 제9권1호
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    • pp.75-87
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    • 2003
  • Recently, the occurrence and death rates of cancer have increased rapidly. Metastasis and recurrence is the most important factor of death from cancer. So inhibition of recurrence and metastasis can increase the cure rate of cancer disease. At the basic chinese traditional medicine(TCM), there are a lot of theory related to neoplasm treatment. The metastasis and recurrence of neoplasm was the basis of yudu(餘毒) on remained neoplasm cell and stagnation of blood, thermotoxo, phlegm, asthenia of healthy enerngy and stagnation of vital energy. The principles therapy of neoplasm on metastasis and recurrence was based on knowledge of the method of support the healthy energy and strengthen the body resistance, promote blood circulation to remove blood stasis, clear away heat and toxic materials, dissipate phlegm and disperse the accumulation of evils. But the major clinical features of neoplasm was to be considered in developing a treatment plan include (1) distinguish between clinical and pathologic staging - acute and chronic, (2) classification of pathologic pattern, and (3) distingction of body situation : for examples asthenia - sthenia etc. It was most important to distinguish between supporting the healthy and eliminating the evil factors and to treat differently at the root and the branch cause of a neoplasm. This paper's results indicate that identification and effective use of THM can inhibite netastasis and recurrence and then it will help increasing survival rate. Also as BioTechnology(BT) has developed rapidly nowadays, as genes related to cancer have revealed. So it will give rise to the development of searching the mechanism of herb medicines which have inhibition effects of metastasis and recurrence.

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Ir-RE 코팅 대비 자장여과필터방식을 이용한 비구면 유리 렌즈용 초경합금(WC)표면의 ta-C 박막 코팅 성능 개선 연구 (A Study on the Performance Improvement of ta-C Thin Films Coating on Tungsten Carbide(WC) Surface for Aspherical Glass Lens by FCVA Method Compared with Ir-Re coating)

  • 정경서;김승희
    • 한국산학기술학회논문지
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    • 제20권12호
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    • pp.27-36
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    • 2019
  • 작은 굴절률 및 높은 굴절률을 갖는 저 분산 렌즈에 대한 요구가 증가함에 따라, 높은 내열성 및 내마모성을 갖는 이형성 보호 필름에 대한 필요성이 증가하고 있다. 그러나 광학 산업은 비구면 유리 렌즈 성형에 사용되는 이형보호 필름의 제조 공정 및 품질 표준에 대한 명확한 표준을 아직 확립하지 못했다. 이 기술은 광학 렌즈를 제조하는 각 회사의 노하우로 취급된다. 본 연구에서는 FCVA (Filtered Cathode Vacuum Arc) 기반 ta-C 박막 코팅의 이온에칭, 각 소스 및 필터부의 마그네트론 및 아크 전류, 바이어스 전압의 최적화에 관한 실험을 수행하였다. 그 결과, 코팅성능 측면에서, 이리듐- 레늄 합금 박막 스퍼터링 제품 대비 필름 두께가 약 50% 얇고, 경도는 약 20%, 박막의 접착강도는 약 40 % 개선된 것으로 측정되었다. 본 연구의 박막 코팅 공정 결과는 금형 이형 박막층의 최소 기계적 특성 및 품질 확립을 위한 유리 렌즈의 개발 및 활용에 크게 기여할 것으로 사료된다.