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천연 생약재 열수 및 알코올 추출물의 어병 세균에 대한 항균력
최혜승,김이청,이주석,조미라,서창호,박수일 한국어병학회 2004 한국어병학회지 Vol.17 No.1
감초 외 48종의 천연 생약제로부터 열수 및 알콜 추출액을 제작하여 19 균주 어병 세균을 대상으로 항균력을 조사한 결과, 알콜 추출액은 22종, 열수 추출액은 16종이 어병 세균에 대하여 항균력을 나타내며 이 중 13종의 생약재는 알콜 및 열수 추출액 모두 8㎜ 이상의 저지대를 나타내어 항균력이 있는 것으로 나타났다. 열수 추출물에서 항균력을 나타내는 약재 중 그람 음성균에 감수성이 양호한 약재는 저지대 8 ㎜ 이상을 나타내는 애엽, 개옻나무, 연교, 지유, 파엽, 대황 및 황금이었으며, 그람 양성균에 항균력이 양호한 약재는 삼지구엽초, 육계 및 보골지 등 이었다. 그리고 오매, 황련, 계혈등, 상백피, 오배자 및 오미자는 저지대가 8㎜ 이상으로 그람 음성,양성균 모두에 항균력이 있었다. 알콜 추출물중에서 그람 음성균에 항균력을 나타내는 것은 백작약, 오매, 선모 및 황금 등으로 저지대가 8㎜ 이상으로 측정되었으며, 그람 양성균에 항균력을 나타내는 것은 감초, 계혈등, 단삼, 상백피, 육계 및 보골지 등으로 저지대가 8㎜ 이상이었다. 또한 그람 음성, 양성균에 모두 8㎜ 이상의 저지대를 나타내는 것은 애엽, 개옻나무, 황련, 지유, 오배자 및 오미자 등이었다. 그러나 이 중에서 오배자 열수 추출물의 어병 세균에 대한 발육 저지대가 32㎜로 그람 음성, 양성균 모두에 가장 뛰어난 항균력을 나타내어 다른 생약재와 다른 광범위 생약재인 것으로 나타났다. 애엽, 황금, 지유, 오매, 황련 및 오배자 열수 ·알콜 추출물은 tetracycline에 내성을 나타내는 균주에 감수성을 나타내었다. Hundreds of medicinal herbs have been using for the purpose of diseases treatment and immune enhancement for human being and other animals including fishes. Among them, 49 species of medicinal herbs were selected and tested for antibacterial activities against 19 strains of fish pathogenic bacteria in different 4 species. The 49 medicinal herbs were extracted by water and ethyl alcohol. The extracts were freeze dried and some paper discs from the extracts were prepared for the evaluation of antibacterial activity. The tested pathogenic bacteria were 5 strains of Edwardsiellu tarda, 5 strains of Vibrio sp., 4 strains of Lactococcus gawieae, 1 strain of Lactococcus raffinose. 1 strain of Streptococcus parauberius, and 3 strains of Streptococcus iniue. The Galla rhois (Obaeja), Gaeonnamu and Hwangleyon showed antibacterial activities on both gram negative and gram positive fish pathogenic bacteria. The Youkgae, Sangbaekpi, Bogolji and Gamcho showed very effective antibacterial activities on gram positive pathogens while Jiyu, Aeyoeb and Yeonkyo showed very effective on gram negative pathogens.
최병재,이제호,장미라,이종갑 大韓小兒齒科學會 1997 大韓小兒齒科學會誌 Vol.24 No.3
Ankylosis is defined as a fusion of alveolar bone with dentin and/or cementum and may occur at any time during or following active eruption. Ankylosed teeth maintain existing occlusal levels while adjacent teeth continue to erupt via deposition of alveolar bone. This may result in th clinical apperarance of depression or submergence of ankylosed teeth below the occlusal plane. It is found more frequently in children of late mixed dentition and in mandibular primary molars. The problems arising from ankylosed teeth, due to their submerged positions, are elongation of the antagonist, tipping of the adjacent teeth, loss of arch length, food impaction and subsequent destruction of periodontal tissue, disturbance of succedaneous tooth eruption. The author observed several cases fo ankylosed primary molars and properly managed. Following results were obtained. 1. Severe infraoccluded ankylosis results in loss of arch length and undesirable effect on eruption path of succedaneous tooth, therefore early diagnosis and management are important. 2. The teeth without problems may be examined periodically and restored in order to maintain the normal occlusal function.
수온에 따른 Norfloxacin의 잉어(Cyprinus carpio)와 뱀장어(Anguilla japonica)체내에서 약물동태학적 특성
김진우,정승희,이주석,최동림,조미라 한국어병학회 2002 한국어병학회지 Vol.15 No.2
양식어류의 세균성 질병 치료약제로서 사용량이 증가하고 있는 NFX의 정량분석 방법을 확립하고, 사육수온과 관련된 NFX의 어체내에서 흡수, 분포, 배설 등 NFX의 합목적적 사용 방법 설정에 필요한 약물동태학적 요인을 조사하였다. 수온에 따른 NFX의 어체 내에서의 혈중최대 농도는 뱀장어에서는 유의적인 차이는 없었으나 잉어에서는 혈중최대농도가 23℃에서 유의적으로 높게 (p〈0.05) 나타났을 뿐만 아니라 NFX의 흡수 및 배설속도정수, 최대혈중농도 도달시간 등 어종별, 수온별 약물동태학적 요인에 차이가 있었다. 이러한 결과로 NFX의 효과적인 사용방법과 휴약기간 설정을 위하여 어류의 사육환경과 관련된 임상 약물동력학적 특성을 충분히 고려하여 결정되어야 할 것으로 판단된다. Effects of Temperature on the pharmacokinetics of norfloxacin(NFX) were studied in the cultured carp, Cyprinus caripo, and cel, Angulla japonica, using high performance liquid chromatography(HPLC) originally developed for quinolone determination in livestocks. Pharmacokinetics of NFX was apparently affected by amibent water temperature. In a two-compartment model for carp after oral dosage of 20㎎/㎏, K01 at 13℃ and 23℃ were 2.60 and 5.20/hr, respectively. In carp the K_(w), T_(max) and C_(max) for carp at 13℃ were 13.30/hr, 17.44 ug/ml and 7.00 ug/ml, respectively. The corresponding values at 23℃ were 3.93/hr, 15.40㎍/㎖ and 9.44 ㎍/㎖, respectively. The AUC and T_(1/2) were 355.66 ㎍:hr/㎖ and 12.70 hr at 13℃ and 417.24 ㎍:hr/㎖ and 13.86 hrs at 23℃, respectively, Similar trends were revealed in the NFX pharmacokinetics of cel kept under the two water temperature regimes after oral NFX dosage of 20 mg/kg. These pharmacokinetical results have some implication in the optimal usage of recently introduced antibacterials in farmed fish, which were originally adapted for poultry and mammalian species.
FCP 7 : Clinical characteristics of chemotherapy-induced alopecia in childhood
( Mi Ra Choi ),( Min Sun Kim ),( Song Youn Park ),( Gyeong Hun Park ),( Kwang Hyun Cho ),( Ji Won Lee ),( Kyung Duk Park ),( Hee Young Shin ),( Hyoung Jin Kang ),( Oh Sang Kwon ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Chemotherapy-induced alopecia (CIA) is a frequent complication in patients undergoing chemotherapy. Moreover, there is an increasing number of reports of permanent CIA. Objectives: We investigated the clinical characteristics of CIA, including permanent CIA in childhood. Methods: We collected data on 159 pediatric patients who had undergone high-dose conditioning chemotherapy followed by hematopoietic stem cell transplantation and 167 control subjects, using questionnaire, medical record reviews, and phototrichograms. Results: CIA began at 1.5±1.4 months and was sustained until 2.2±1.6 months after chemotherapy initiation. Hair regrowth started 2.6±1.6 months after chemotherapy ceased and lasted for 7.3±4.9 months. The mean hair density and thickness were 198.3±47.4/cm2 and 76.3±18.4 μm in the patient group and 229.6±34.5/cm2 and 79.5±12.4 μm in the control group, respectively (both, P < .001). In all, 19 (12%) patients experienced permanent CIA. Thiotepa use was identified as a significant risk factor for permanent CIA (odds ratio 7.57, P=.002). Conclusion: Our results showed that CIA is a common side effect in pediatric patients, and that thiotepa is strongly associated with permanent CIA.
( Mi Ra Choi ),( Jin Hyup Lee ),( Dae Kyoung Choi ),( Dong Il Kim ),( Hae Eul Lee ),( Myung Im ),( Young Lee ),( Chang Deok Kim ),( Young Joon Seo ),( Jeung Hoon Lee ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: Keratinocytes are the major cells inepidermis, providing barrier components such as cornified cells through the sophisticated differentiation process. In addition, keratinocytes exerts their role as the defense cells via activation of innate immunity. It has been knownthat pathogen-associated molecular patterns (PAMPs) including double-strand RNA and nucleotides can provoke inflammatory reaction in keratinocytes. Objectives: The aim of this study is to evaluate the effect of Ampelopsis japonica Makino extract (AE) on PAMPs-induced inflammatory reaction of keratinocytes. Methods: The effects of AE were determined using poly(I:C)-induced inflammation and imiquimod-induced psoriasiform dermatitis models. Results: In cultured keratinocytes, AE significantly inhibited poly(I:C)-induced expression of inflammatory cytokines, such as IL-1モ, IL-6, IL-8 and TNF-メ. AE significantly inhibited poly(I:C)-induced release of caspase-1 active form (p20), and down-regulated NF-リB signaling pathway. In imiquimod-induced psoriasiform dermatitis model, topical application of AE resulted in significant reduction of epidermal hyperplasia. Conclusion: These results suggest that AE may be a potential candidate for the treatment of skin inflammation.