http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
한약재 주정 추출물이 종자발아와 유묘생장에 미치는 영향
김진효 ( Jin Hyo Kim ),김준영 ( Jun Young Kim ),류성지 ( Sung Ji Ryu ),최근형 ( Geun Hyoung Choi ),김원일 ( Won Il Kim ),김세리 ( Se Ri Kim ),박병준 ( Byung Jun Park ),조남준 ( Nam Jun Cho ) 한국환경농학회 2014 한국환경농학회지 Vol.33 No.3
BACKGROUND: Herbal extracts have been screened fortheir inhibitory effect of seed germination and rootdevelopment on weeds, but there is a scarcity of reports forcrop growth regulation. The objective of this research wasto develop a growth inhibitor on Brassica campestris, andits effective extraction method from herbal medicineextract. METHODS AND RESULTS: Eighty four herbal medicineextracts were tested for their plant growth inhibitionactivity on B. campestris. The alcohol extracts of Artemisiaannua, Cinnamomum cassia, and Mentha arvensisinhibited over 30% of germination and the extract of A. annua, and C. cassia inhibited over 70% of radicle growthat 0.1 % w/w treatment. The partially purified extracts of A. annua, and C. cassia with dichloromethane and hexaneshowed stronger radicle growth inhibition than the crudeextracts on B. campestris. The diethyl ether extract of A. annua showed a similar 50% radicle growth inhibition (RI50= 45 mg/L) to its partially purified extract withdichloromethane or hexane, but the diethyl ether extract ofC. cassia showed a worse RI50 than the purified extract. CONCLUSION: The alcohol extracts of A. annua, and C. cassia showed potent radicle growth inhibition propertieson B. campestris. Diethyl ether proved to be a good solventfor simple extraction from A. annua.
채우리;이유근;최성진;채희백 순천향대학교 기초과학연구소 2010 순천향자연과학연구 논문집 Vol.16 No.2
OLEDs of the bilayer structure with ITO/NPB/Alq3/LiF/Al were fabricated by vacuum thermal evaporation. I-V-L(current-voltage-luminance) and charge mobility could be measured with TEL(transient electroluminescence) as the temperature was varied from 300K to 50 K. Current, current density and EL were decreased as the temperature was decreased.
ASTM F813-07 의료용디바이스를 위한 생체재료의 직접촉 세포배양측정에 대한 표준지침서
김순희 ( Soon Hee Kim ),백미옥 ( Mi Ock Baek ),소정원 ( Jung Won So ),노혜원 ( Hye Won Roh ),이나리 ( Na Ri Lee ),김문석 ( Moon Suk Kim ),유규하 ( Gyu Ha Ryu2,),조양하 ( Yang Ha Cho ),이승진 ( Seung Jin Lee ),강길선 ( Gilson Khang 한국조직공학·재생의학회 2007 조직공학과 재생의학 Vol.4 No.4
We provided standard practice for direct contact cell culture evaluation of materials for medical devices in this report. This practice introduced a reference method of direct contact cell culture testing. This method of direct contact cell culture may be used in the construction of medical materials and devices for test the cytotoxic potential of materials. Researcher for medical devices could use this practice to compare other cytotoxicity tests or directly to evaluate materials. Cell or materials could be sometimes modified depending on use in offered extend of this practice.
ASTM F2027 조직공학적 의료용제품(TEMPs)을 위한 기질의 특성결정 및 테스트를 위한 표준 지침서
백미옥 ( Mi Ock Baek ),소정원 ( Jung Won So ),김순희 ( Soon Hee Kim ),노혜원 ( Hye Won Roh ),이나리 ( Na Ri Lee ),김문석 ( Moon Suk Kim ),유규하 ( Gyu Ha Ryu2 ),조양하 ( Yang Ha Cho ),이승진 ( Seung Jin Lee ),강길선 ( Gilson Khang 한국조직공학·재생의학회 2007 조직공학과 재생의학 Vol.4 No.4
Tissue engineering medical products are those protocols and products developed for use in the human body as biological substitutes to restore, maintain, or improve tissue function. The purpose of this standard is to locate relevant existing guideline and test methods and to provide guidance for interim use of materials for which a standard does not exist. The standard may be use as guideline in tissue engineered research.
Ryu, Ri,Jung, Un Ju,Kim, Hye-Jin,Lee, Wonhwa,Bae, Jong-Sup,Park, Yong Bok,Choi, Myung-Sook The Korean Society of Food Science and Nutrition 2013 Preventive Nutrition and Food Science Vol.18 No.3
Artemisia princeps Pampanini (AP) has been used as a traditional medicine in Korea, China and Japan and reported to exhibit various beneficial biological effects including anti-inflammatory, antioxidant, anti-atherogenic and lipid lowering activities; however, its antiplatelet and anticoagulant properties have not been studied. In the present study, we evaluated the effects of an ethanol extract of Artemisia princeps Pampanini (EAP) and its major flavonoids, eupatilin and jaceosidin, on platelet aggregation and coagulation. To determine the antiplatelet activity, arachidonic acid (AA)-, collagen- and ADP (adenosine diphosphate)-induced platelet aggregation were examined along with serotonin and thromboxane A2 ($TXA_2$) generation in vitro. The anticoagulant activity was determined by monitoring the activated partial thromboplastin time (aPTT) and prothrombin time (PT) in vitro. The data showed that EAP and its major flavonoids, eupatilin and jaceosidin, significantly reduced AA-induced platelet aggregation and the generation of serotonin and $TXA_2$, although no significant change in platelet aggregation induced by collagen and ADP was observed. Moreover, EAP significantly prolonged the PT and aPTT. The PT and/or aPTT were significantly increased in the presence of eupatilin and jaceosidin. Thus, these results suggest that EAP may have the potential to prevent or improve thrombosis by inhibiting platelet activation and blood coagulation.
Ri Ryu,Un Ju Jung,Hye-jin Kim,Wonhwa Lee,Jong-Sup Bae,Yong Bok Park,Myung-Sook Choi 한국식품영양과학회 2013 Preventive Nutrition and Food Science Vol.18 No.3
Artemisia princeps Pampanini (AP) has been used as a traditional medicine in Korea, China and Japan and reported to exhibit various beneficial biological effects including anti-inflammatory, antioxidant, anti-atherogenic and lipid lowering activities; however, its antiplatelet and anticoagulant properties have not been studied. In the present study, we evaluated the effects of an ethanol extract of Artemisia princeps Pampanini (EAP) and its major flavonoids, eupatilin and jaceosidin, on platelet aggregation and coagulation. To determine the antiplatelet activity, arachidonic acid (AA)-, collagen-and ADP (adenosine diphosphate)-induced platelet aggregation were examined along with serotonin and thromboxane A₂ (TXA₂) generation in vitro. The anticoagulant activity was determined by monitoring the activated partial thromboplastin time (aPTT) and prothrombin time (PT) in vitro. The data showed that EAP and its major flavonoids, eupatilin and jaceosidin, significantly reduced AA-induced platelet aggregation and the generation of serotonin and TXA₂, although no significant change in platelet aggregation induced by collagen and ADP was observed. Moreover, EAP significantly prolonged the PT and aPTT. The PT and/or aPTT were significantly increased in the presence of eupatilin and jaceosidin. Thus, these results suggest that EAP may have the potential to prevent or improve thrombosis by inhibiting platelet activation and blood coagulation.
A Study on the Interaction Envelop Design through Ned Khan's Works
Ri Ryu,Yongseong Kim,Janghoo Seo 보안공학연구지원센터 2015 International Journal of Smart Home Vol.9 No.10
Since the problem of global warming has occurred in modern times, various countries in the world have implemented various policies for energy saving in buildings, and the building envelope in the aspect of eco-friendly subject called energy consumption and preservation in consideration of natural environment is being revitalized. Therefore, the purpose of this study is to analyze the concept and form of interaction envelope design applied with natural elements, which could change according to energy saving and surrounding environments, which have become issues currently. This study also aims to examine the envelope technical elements where interaction design is applied through the analysis of Ned Khan's interaction envelope cases using natural elements in this study. In the building envelope, aesthetic elements are no longer emphasized in the interaction aspect and the function to satisfy both the demands of people and energy saving at the same time is carried out in energy saving aspects. The type of building envelope applied with interaction is classified into 3 elements, including graphic element, media façade, and phenomenon element, and either artificial or natural elements of the phenomenon element. Natural elements were appropriate when the aspect of energy saving was emphasized in the modern times. The purpose of this study is to draw technology elements of applicable interaction design when carrying out the interaction design through such analysis.