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Radiopaque markers and hydrogram in feline alimentary lymphoma
Choi, Jihye,Lee, Jinsoo,Jang, Jaeyoung,Choi, Heeyeon,Seo, Jimin,Lee, Minjung,Kim, Hyunwook The Korean Society of Veterinary Science 2012 大韓獸醫學會誌 Vol.52 No.2
Radiography, ultrasonography with hydrogram, and contrast studies using radiopaque markers were applied to evaluate alimentary lymphoma in two cats. The hydrogram facilitated the differentiation of pseudo-thickening from true wall thickening, and enabled an evaluation of wall layering and lymph nodes. In case 1, mechanical obstruction of the duodenum was confirmed with barium-impregnated polyethylene spheres (BIPS), a radiopaque marker; however, results obtained in case 2 were not as definitive. We expect that hydrograms and BIPS can be used as valuable alternative methods to evaluate the gastrointestinal (GI) tract although further studies in cases involving GI tumors are needed.
Choi, Jimin,Nam, Donghyeon,Shin, Dongyeeb,Song, Youngkwon,Kwon, Cheong Hoon,Cho, Ikjun,Lee, Seung Woo,Cho, Jinhan American Chemical Society 2019 ACS NANO Vol.13 No.11
<P>One of the most critical issues in preparing high-performance transparent supercapacitors (TSCs) is to overcome the trade-off between areal capacitance and optical transmittance as well as that between areal capacitance and rate capability. Herein, we introduce a TSC with high areal capacitance, fast rate capability, and good optical transparency by minimizing the charge transfer resistance between pseudocapacitive nanoparticles (NPs) using molecular linker- and conductive NP-mediated layer-by-layer (LbL) assembly. For this study, bulky ligand-stabilized manganese oxide (MnO) and indium tin oxide (ITO) NP multilayers are LbL-assembled through a ligand exchange reaction between native ligands and small multidentate linkers (tricarballylic acid). The introduced molecular linker substantially decreases the separation distance between neighboring NPs, thereby reducing the contact resistance of electrodes. Moreover, the periodic insertion of ITO NPs into the MnO NP-based electrodes can lower the charge transfer resistance without a meaningful loss of transmittance, which can significantly improve the areal capacitance. The areal capacitances of the ITO NP-free electrode and the ITO NP-incorporated electrode are 24.6 mF cm<SUP>-2</SUP> (at 61.6% transmittance) and 40.5 mF cm<SUP>-2</SUP> (at 60.8%), respectively, which outperforms state of the art TSCs. Furthermore, we demonstrate a flexible symmetric solid-state TSC that exhibits scalable areal capacitance and optical transmittance.</P> [FIG OMISSION]</BR>
Choi Miyoung,Lee Hyeon-Jeong,Yu Su-Yeon,Kim Jimin,Park Jungeun,Ryoo Seungeun,Kim Inho,Park Dong Ah,Yoon Young Kyung,Joh Joon-Sung,Park Sunghoon,Yun Ki Wook,Choi Chi-Hoon,Kim Jae-Seok,Shin Sue,Kim Hyun 대한의학회 2023 Journal of Korean medical science Vol.38 No.23
Background: In Korea, during the early phase of the coronavirus disease 2019 (COVID-19) pandemic, we responded to the uncertainty of treatments under various conditions, consistently playing catch up with the speed of evidence updates. Therefore, there was high demand for national-level evidence-based clinical practice guidelines for clinicians in a timely manner. We developed evidence-based and updated living recommendations for clinicians through a transparent development process and multidisciplinary expert collaboration. Methods: The National Evidence-based Healthcare Collaborating Agency (NECA) and the Korean Academy of Medical Sciences (KAMS) collaborated to develop trustworthy Korean living guidelines. The NECA-supported methodological sections and 8 professional medical societies of the KAMS worked with clinical experts, and 31 clinicians were involved annually. We developed a total of 35 clinical questions, including medications, respiratory/critical care, pediatric care, emergency care, diagnostic tests, and radiological examinations. Results: An evidence-based search for treatments began in March 2021 and monthly updates were performed. It was expanded to other areas, and the search interval was organized by a steering committee owing to priority changes. Evidence synthesis and recommendation review was performed by researchers, and living recommendations were updated within 3–4 months. Conclusion: We provided timely recommendations on living schemes and disseminated them to the public, policymakers and various stakeholders using webpages and social media. Although the output was successful, there were some limitations. The rigor of development issues, urgent timelines for public dissemination, education for new developers, and spread of several new COVID-19 variants have worked as barriers. Therefore, we must prepare systematic processes and funding for future pandemics.
사회자본이 노인문제감소에 미치는 효과분석 - 기초지방정부수준의 사회자본과 노인문제 지수를 활용하여-
최지민 ( Jimin Choi ),김순은 ( Soon Eun Kim ) 한국정책학회 2016 韓國政策學會報 Vol.25 No.2
본 연구의 목적은 지역수준의 사회자본이 지역 내 노인문제를 얼마나 효과적으로 감소 시키는지를 실증적으로 규명하는 데에 있다. 이에 기초지방정부(227개 시군구의 2007-2012년 간 패널데이터)의 사회자본과 노인문제 수준을 측정할 수 있는 지표를 활용하여 사회자본이 지역 내 노인문제(노인질병, 노인자살, 노인빈곤, 3가지 노인문제의 종합지수)를 효과적으로 감소시키고 있음을 확인하였다. 사회자본의 긍정적 영향력은 패널고정효과분석 뿐만 아니라, 사회자본과 노인문제 간의 내생성을 고려한 도구변수모형에서도 동일하게 나타났다. 다만 노인장기요양등급자 규모로 조작적 정의한 지역 내 노인빈곤이 사회자본 수준에 비례하고 있다. 이는 지역 내 사회자본이 중증질환 노인을 증가시켰다기보다, 신청주의에 근거한 제도의 특성상 사회자본이 제도이용에 관한 정보를 확산시켰기 때문이다. 이상의 결과는 사회자본이 지역주민, 특히 고령자의 건강과 삶의 질 증진에 중요한 역할을 담당하고 있다는 점을 강하게 시사한다. 이를 바탕으로 현재 지역중심의 복지체계 구축과 개별적으로 진행 중인 마을 공동체 사업과 공공복지전달체계 간의 연계를 정책적 대안으로 제시하였다. The purpose of this study is to investigate the impact of social capital on aging problem at the local government The aging problem was operated of the aging problem, such as elderly prevalence rate, suicide rate, poverty rate and weighted measurement value of these indicators of primary local governments. Using panel data of 227 primary local governments in Korea, collected from 2007 to 2012, panel fixed effect analysis(simple fixed effect model and two stage least square analysis with instrument) was conducted. First, we estimate a basic model, not including instrument of social capital and then compare the coefficient of social capital on institutionalization with equation with instruments to consider endogeneity of the equation. Our empirical results reveals that (1) higher level of social capital reduce elderly suicide rate and poverty rate, but (2) remarkably increase elderly prevalence rate. This contradicting result implies that the social capital help elderly to access utilization of long-term care insurance for the aged, which is observed variable for elderly prevalence rate. Therefore, the validity of regional level elderly prevalence might be problematic without substituting proper proxy variable. And taken together the result, this study suggest policy implication of public service delivery for elderly from social capital perspective.