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Effect of norgalanthamine on renal injury induced by carbon tetrachloride in mice
Nayeon Yang,Myungsoon Ko,Minhwa Jang,Eunjun Jang,Dowook Yu,Wootaek Hong,Seongbeom Bae,Jieun Ryoo,Taekyun Shin,Meejung Ahn 한국실험동물학회 2021 한국실험동물학회 학술발표대회 논문집 Vol.2021 No.7
Norgalanthamine is a major component of Crinum asiaticum var. japonicum that exhibits several biological activities. This study evaluated the anti-inflammatory and anti-oxidative properties of norgalanthamine in mice with carbon tetrachloride (CCl4)-induced renal injury. Norgalanthamine (1 and 10 mg/kg) was orally administered to mice for 7 or 14 days, after which renal injury was induced by CCl4 (1.5 ml/kg, i.p.). The vehicle and positive controls consisted of phosphate-buffered saline and silymarin (100 mg/kg), respectively. In CCl4-injured mice, norgalanthamine pretreatment significantly reversed the increases in serum alanine aminotransferase, aspartate aminotransferase, and total bilirubin levels, and the decrease in the serum glucose level. The histopathological evaluation and Iba-1 immunoreactivity also supported the protective effects of norgalanthamine against CCl4-induced kidney injury. These results suggest that norgalanthamine ameliorates oxidative renal injury, possibly through reducing enhancing antioxidant enzymes, and suppressing infiltrated macrophages.
Yang, Seung-Ju,Lee, Jae-Min,Lee, Gee-Hyung,Kim, NaYeon,Kim, Yong-Sang,Gong, Young-Dae Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.12
A series of compounds containing both 1,3,4-oxadiazole and thiohydantoin were synthesized as a promising scaffold for application in medicinal chemistry. The key step of the synthesis is a microwave-assisted cyclization of semicarbazides possessing a thiohydantoin moiety at one of the acyl termini using $POCl_3$ as a dehydrating reagent. A wide range of semicarbazides were prepared through the substitution of hydrazides with an N-acylated thiohydantoin derived from the cyclization of the corresponding isothiocyanate with an amino acid and subsequent N-acylation of the resultant thiohydrantion. Consequently, the 58 number of 1,3,4-oxadiazole derivatives having a thiohydantoin substituent were prepared in good overall yields.
A rechargeable Aqueous Zn-CO₂ Battery for Energy Storage and Highly Efficient CO₂ Fization
Yejin Yang(양예진),Arim Seong(성아림),Sewon Pyo(표세원),Hyojea Hwang(황효제),Sangwook Joo(주상욱),Jinkyung Oh(오진경),Hyoi Jo(조효이),Donghwi Jeong(정동휘),Hyunmin Kim(김현민),Minseo Kim(김민서),Nayeon Ko(고나연),Sihyuk Choi(최시혁),Gun 한국에너지기후변화학회 2020 한국에너지기후변화학회 학술대회 Vol.2020 No.11
양육 스트레스 완화를 위한 영아 건강관리 서비스 디자인
류나연(Ryu, Nayeon),신연지(Shin, Yeonji),양민철(Yang, Mincheol),정성원(Jeong, Seongwon) 인제대학교 디자인연구소 2014 Journal of Integrated Design Research (JIDR) Vol.13 No.4
생후 24개월 이내의 영아의 건강관리는 보호자의 지속적인 관심과 시의적절하고 정확한 대처를 요구한다. 이에 따라 보호자의 양육 부담은 커지게 되고, 이는 보호자의 양육 스트레스를 증가시키는 원인이 된다. 본 연구에서는 양육 스트레스를 완화시키기 위한 실시간 영아 건강관리 서비스를 제안하였다. 서비스디자인의 방법 중 하나인 이해관계자 인터뷰와 A Day in the Life를 이용하여 보호자의 행동패턴을 분석하고 새로운 니즈를 도출하였다. 도출된 니즈와 기존에 사용되고 있던 영아 건강관리 시스템을 종합적으로 분석하여 새로운 서비스를 도출하였다. 연구 결과, 보호자가 영아와 떨어져서도 영아의 호흡, 맥박, 체온 및 수면 자세를 알 수 있도록 관련 데이터를 측정한 후 보호자의 스마트폰에 정보를 실시간으로 전송하는 제품 시스템에 대한 서비스를 제안하였고, 국가에서 시행하는 ‘예방접종과 영아 건강검진 관리 시스템’의 보완에 대한 서비스를 구체적으로 제안하였다. 본 연구에서 제안된 서비스를 통하여 보호자의 양육 스트레스가 완화되기를 기대한다. The health care for infants under 24 months requires continuous attention and appropriate measures from their parents. This may cause the parents to suffer from stress in terms of parenting their child. In this study, we have developed a real-time health care service for infants to reduce the stress from parenting. For this, we have analyzed the behavior patterns of parents and extracted some needs using "A stakeholder interview" and "A Day in the Life" one of methods for service design. A new service was proposed after analyzing that needs and existing services. The result of this study shows that the product transmitting infant"s information to parent"s smart-phone in real-time is desired after measuring infant"s breathing, heart rate, body temperature, and the infant"s sleep position. The government healthcare system for infants should be also supplemented. We expect parenting stress could be lightened by the service derived from this study.
( Ji Hyon Kim ),( Nayeon Kim ),( Jae-hee Yang ) 서울대학교 인지과학연구소 2020 Journal of Cognitive Science Vol.21 No.4
The present study investigated the issue of nonselective phonological access in different-script bilinguals. Korean-English bilinguals participated in two masked phonological priming experiments with Korean primes and English targets. A significant cross-linguistic phonological priming effect was found when the prime was phonologically similar to the target. This priming effect was not modulated by the degree of phonological overlap (one-syllable prime vs. two-syllable prime) between the prime and target. These results provide evidence in support of the Bilingual Interactive Activation Plus (BIA+) model’s claims of nonselective access in bilinguals. The absence of an interaction between degree of overlap and priming is discussed in terms of excitatory and inhibitory connections in models of bilingual word recognition.
이세리(Seri Lee),신나연(Nayeon Shin),김주미(Jumi Kim),박희정(Huijeong Park),장진영(Jinyoung Jang),김혜경(Hyekyoung Kim),양혜지(Hyeji Yang),최정윤(Jungyun Choi),임재준(Jaejoon Lim) 다문화건강학회 2023 다문화건강학회지 Vol.13 No.2
Purpose: This study aimed to explore perception level of health care professionals on legislation for advanced practice nurses’roles focusing and practice acts. Methods: The 173 participants in this study were medical specialists and clin-ical nurses in one territory and two general hospitals. Results: Health care professionals expressed positive perceptions of the legislative acts for advanced practice nurses’roles. Data were analyzed using descriptive statistics, t-test and ANOVA. Health care professionals expressed positive cognition of the legislative acts for advanced practice nurses’roles. Conclusions: The findings indicate that the importance, satisfaction and contribution of advanced practice nurses’acts, and legislation of their roles are recognized. Indicate a need for further development of advanced practice nurses’roles to overcome the gaps identified through this research.