http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
젖산발효 처리에 의한 도라지의 Platycosides 조성 및 호흡기 질환 유발세균에 대한 항균활성 변화
Ka Soon Lee,Bong Jae Seong,Sun Ick Kim,Moo Geun Jee,Saet Byeol Park,Myeong Hee Park,Shin Young Park,Hyun Ho Kim 한국약용작물학회 2016 한국약용작물학술대회 발표집 Vol.2016 No.05
Background : Platycodon grandiflorum root(PGR) was one of the primary herbs used in a phlegm-relieving herb from the past. Purified platycoside compounds from the roots of PGR may exhibit neuroprotective, antimicrobial, anti-inflammatory, anti-cancer, anti-allergy, improved insulin resistance, and cholesterol-lowering properties. To evaluate preference and functionality of PGR extracts, PGR was fermented by several lactic acid bacteria. Lactic acid bacteria used were Leuc. mesenteroides N12-4 and N58-5, L. plantarum N76-10 and 56-12, L. brevis N70-9 and E3-8. Methods and Results : This study was performed in order to investigate the changes of platycosides, as well as the antimicrobial activities on bronchus diseases inducing bacteria(C. diphtheriae, K. pnneumoniae, S. aureus, S. pyogenes) of Platycodon grandiflorum root(PGR) fermented by using lactic acid bacteria(Leuc. mesenteroides N12-4, Leuc. mesenteroides N58-5, L. plantarum N76-10, L. plantarum N56-12, L. brevis N70-9, L. brevis E3-8). Growth of L. plantarum on PGR was the most active during lactic acid fermentation by some different strains. Total platycoside, platycoside E, platycodin A, polygalacin D2, polygalacin D and diapioplatycoside E contents of PGR fermented for 96 hours at 37℃ by Leuc. mesenteroides and L. plantarum were increased, while platycodin D and platycodin D3 were decreased. The antimicribial activity on PGR fermented by L. plantarum N56-12 exhibited a strong microbial proliferation in all four kinds of bronchus diseases inducing bacteria and was higher than non-fermented PGR extract. Conclusion : Thus, this results showed antimicrobial activities on bronchus diseases inducing bacteria and platycosides content of PGR by L. plantarum N56-12 were higher than non-fermented PGR extract.
Characterisation of Pseudomonas aeruginosa related to bovine mastitis.
Park, Hye Rim,Hong, Min Ki,Hwang, Sun Young,Park, Young Kyung,Kwon, Ka Hee,Yoon, Jang Won,Shin, Sook,Kim, Jae Hong,Park, Yong Ho Akadémiai Kiadó 2014 ACTA VETERINARIA HUNGARICA Vol.62 No.1
<P>Pseudomonas aeruginosa is one of the causative pathogens of bovine mastitis. Most P. aeruginosa strains possess the type III secretion system (TTSS), which may increase somatic cell counts (SCCs) in milk from mastitis-affected cows. Moreover, most of P. aeruginosa cells can form biofilms, thereby reducing antibiotic efficacy. In this study, the presence and effect of TTSS-related genotypes on increase of SCCs among 122 P. aeruginosa isolates obtained from raw milk samples from mastitis-affected cows and their antibiotic susceptibility at planktonic and biofilm status were investigated. Based on the presence of TTSS-related genes a total of 82.7% of the isolates were found to harbour exoU and/or exoS genes, including the invasive (exoU-/exoS+, 69.4%), cytotoxic (exoU+/exoS-, 8.3%) and cytotoxic/invasive strains (exoU+/ exoS+, 5.0%). Milk containing exoS-positive isolates had higher SCCs than those containing exoS-negative isolates. The majority of isolates showed gentamicin, amikacin, meropenem and ciprofloxacin susceptibility at planktonic status. However, the susceptibility was decreased at the biofilm status. Based on minimum biofilm eradication concentration (MBEC)/minimum inhibitory concentration (MIC) ratios, the range of change in antibiotic susceptibility varied widely depending on the antibiotics (from 3.1-fold to 475.0-fold). In conclusion, most P. aeruginosa isolates studied here had a genotype related to increase in SCCs. The efficiency of antibiotic therapy against P. aeruginosa-related bovine mastitis could be improved by analysing both the MBEC and the MIC of isolates.</P>
Park, Ka-Young,Lee, Tae-Hee,Jo, Suyeon,Yang, Jayoon,Song, Sun-Ju,Lim, Hyung-Tae,Kim, Jung Hyun,Park, Jun-Young Elsevier 2016 Journal of Power Sources Vol.336 No.-
<P><B>Abstract</B></P> <P>Co-ionic (H<SUP>+</SUP>/O<SUP>2−</SUP>) electrolytes are fabricated by compositing both proton conductor (BaZr<SUB>0.85</SUB>Y<SUB>0.15</SUB>O<SUB>3-δ</SUB>, BZY) and oxygen-ion conductor (Nd<SUB>0.1</SUB>Ce<SUB>0.9</SUB>O<SUB>2−δ</SUB>, NDC) for intermediate temperature-solid oxide fuel cells (IT-SOFCs). This hybrid electrolyte decreases the electronic loss of NDC under reducing atmospheres and improves the poor sinterability of BZY. The electronic conduction caused by the NDC reduction is effectively blocked by the BZY in the composite electrolyte, thus offering both advantages of BZY with its high OCV and more rigid electro-chemo-mechanical property. In addition, the composite BZY-NDC electrolyte also exhibits great chemical stability against exposure to steam and CO<SUB>2</SUB>. Furthermore, the compositing of BZY and NDC improves the proton conductivity of the electrolytes, and the conductivity of composite electrolyte is higher than that of single BZY at temperatures >600 °C.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Co-ionic electrolyte is fabricated by compositing proton and oxygen-ion conductor. </LI> <LI> Hybrid electrolytes decrease electronic loss and improve poor sinterability. </LI> <LI> Conductivity of composite electrolyte is higher than that of single BZY at >600 °C. </LI> <LI> Composite electrolytes exhibits great chemical stability against steam and CO<SUB>2</SUB>. </LI> <LI> Mechanical stability of cells improves by preventing chemical expansion of ceria. </LI> </UL> </P>
성인들의 코로나 감염으로 인한 사회적 낙인에 대 한 두려움과 삶의 질 변화, 코로나-19 불안의 관계: 지각된 상황 통제감의 매개효과
박희진(Hee Jin Park),김민선(Min Sun Kim),김세희(Se Hee Kim),송가람(Ka Ram Song) 한국심리치료학회 2021 한국심리치료학회지 Vol.13 No.2
본 연구의 목적은 코로나-19 감염으로 인해 사람들이 경험하는 사회적 낙인에 대한 두려움과 삶의 질 변화, 불안 의 관계를 살펴보고 두 심리적 변인의 관계를 설명할 수 있는 매개변인을 탐색적으로 살펴보는 것이다. 이를 위 해, 사회적 낙인에 대한 두려움과 코로나-19로 인한 삶의 질 변화, 불안의 관계를 지각된 상황 통제감이 매개하는 모형을 설정하고, 모형의 적합성과 각 변인들의 관련성을 살펴보았다. 연구를 위해 300명의 성인들을 모집하였으 며 성별은 남성 148명(49.3%), 여성 152(50.7%), 평균 연령은 40.77세(SD=9.69)였다. 연구결과 본 연구모형은 자 료를 적합하게 설명하였으며, 지각된 상황 통제감에서 코로나-19 불안으로 가는 직접경로를 제외하고 모든 경로 가 유의미한 것으로 나타났다. 구체적으로, 사회적 낙인에 대한 두려움은 지각된 상황 통제감을 낮추고, 삶의 질 변화에 대한 부정적인 인식과 코로나-19 불안을 높였다. 다음으로, 매개효과 검증 결과 사회적 낙인에 대한 두려 움과 삶의 질 변화, 코로나-19 불안의 관계에서 지각된 상황 통제감의 간접효과는 유의미하였다. 마지막으로 연구 결과를 바탕으로 이론 및 상담실제에 대한 함의를 논하였다. The purpose of this study is to understand the psychological mechanisms that explain the relationship among the fear of social stigma perception, effect of quality of life change, and COVID-19 anxiety. For this purpose, we set up the model mediated by perceived situational control in the relationship among fear of social stigma, quality of life change, and COVID-19 anxiety and examined the relevance of the model to each variable. A convenience sample of 300 adults were recruited. The results of this study showed that the data of the participants were properly explained, and all the paths were significant except for the direct path from perceived situational control to COVID-19 anxiety. Second, as a result of the mediating effect verification, the indirect effect of perceived situational control was significant in the relationship between social stigma perception, effect of quality of life change, and COVID-19 anxiety. Finally, we discuss the implications of theory and counseling practice based on the findings.
산모의 한약 복용이 모유에 미치는 영향 -HPLC와 LC/MS/MS를 이용한 생화탕 지표성분 분석-
박가영 ( Ka Young Park ),이아영 ( Ah Young Lee ),반지혜 ( Ji Hye Ban ),박정경 ( Jung Kyung Park ),이은희 ( Eun Hee Lee ) 대한한방부인과학회 2013 大韓韓方婦人科學會誌 Vol.26 No.4
We took breast milk samples and analyzed them using HPLC and LC/MS/MS, to evaluate the effects of taking Saenghwa-tang during breastfeeding on breast milk. edical postpartum care center. Breast milks were collected from paticipants who have been administrated Saenghwa-tang for more than 3 days. We used HPLC and LC/MS/MS for the determinations of amygdalin, liquiritins, 6-gingerol, decursin and decursinol angelate in Saenghwa-tang. Results:1. Participants` Mean±S.D (standard deviation) of age is 31.05±1.96, and 15 participants had normal delivery and 5 participants had cesarean delivery. 12 participants were primipara and 8 participants were multipara. Mean±S.D of lactating date is 9.4±0.94. 2. Using HPLC, we learned LOQ level peak that matches the peak retention time of standard components of Saenghwa-tang was not detected from 20 breast milk samples. 3. Using LC/MS/MS, decursin of Angelicae Gigantis Radix was detected from HMSP 02, HMSP 04, HMSP 06, HMSP 11, and the each concentrations are 16, 2, 64, 11 ppb. Liquiritin of Glycyrrhizae Radix was not detected from HMSP 13~HMSP 18. Conclusions: Data obtained by this approach shows that this method is reliable and suitable for determining the safety of taking Saenghwa-tang during breastfeeding.