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Eun Su Jang,Hyeon Gu Kim,Dong Hee Kim,Ryeo Eun Kim,Ji Hye Oh,Beom Gyu Cho,Sung Youn Jo,Ye Eun Woo,Gwang Hyun Roh 한국응용곤충학회 2023 한국응용곤충학회 학술대회논문집 Vol.2023 No.10
The cotton aphid, Aphis gossypii glover (Hemiptera: Aphididae), is the world-wide agriculture pest and has the ability to become resistant to many pesticides. Hence, we conducted behavioral tests on apterous and alate aphids for series compounds from natural products by using a two-choice test, a no-choice test, a host choice test and electroantennography (EAG). As a result, we found 3 out of 30 compounds for apterous aphids and 2 out of 15 compounds for alate aphids, both of which showed powerful repellent effects on these aphids. In this study, we suggest that our findings could be useful and eco-friendly spatial repellents for controlling cotton aphid.
Constituents of the leaves of Verbascum blattaria.
Youn, I-Soo,Han, Ah-Reum,Roh, Mark S,Seo, Eun-Kyoung Natural Product Communications 2015 Natural product communications Vol.10 No.3
<P>Phytochemical investigation of the dried leaves of Verbascum blattaria L. (Scrophulariaceae) led to the isolation and identification of five known compounds, E-harpagoside, laterioside, kaempferol 3-O-β-D-glucopyranoside, bis(2-ethylhexyl)phthalate, and (2S)-liquiritigenin. The structures of these compounds were determined by physical and spectroscopic data analysis. All compounds were isolated from V blattaria for the first time.</P>
Roh, Sang-Youn,Yoon, Young-Ho,Cho, Young-Tae,Lee, Ji-Eun,Cho, Yong-Kyung Land and Housing Institute 2012 LHI journal of land, housing, and urban affairs Vol.3 No.1
Since the provision of Permanent Affordable Housing in the early 1990's, it is confronted with the need to strengthen its welfare service due to aging of its facilities and the declining welfare system for its tenants. In addition, the aging population of tenants is on the rise, increasing the group of tenants that are in need of care. The local social community center has entered into the community of permanent affordable housing and takes partial responsibility in the tenant's social welfare. However, social community center is mainly responsible for providing welfare service to its local residents and thus limited in its ability to satisfy welfare service to tenants of permanent affordable housing. Therefore, it is required to renew the existing welfare system to better suit social demands of tenants according to its specific social group and the characteristics of housing complex. This study aims to propose methods that can strengthen welfare service and analyze the characteristics of welfare service by investigating the existing conditions of welfare system for the tenants in permanent affordable housing complex. For this purpose, this study presents with categories of service standards, by breaking down and codifying welfare service and propose applicable mixed-use service in pre-existing permanent affordable housing.
Review of 100 cases of single port laparoscopic cholecystectomy
Eun Jung Koo,Soon Hwa Youn,Yang Hyun Baek,Young Hoon Roh,Hong Jo Choi,Young Hoon Kim,Ghap Joong Jung 대한외과학회 2012 Annals of Surgical Treatment and Research(ASRT) Vol.82 No.3
Purpose: Single port laparoscopic cholecystectomy (SPLC) is a new advanced technique in laparoscopic surgery. Many laparoscopic surgeons seek to gain skill in this new technique. However, little data has been accumulated and published formally yet. This article reports the achievement of 100 cases of SPLC with the hopes it will encourage laparoscopic surgery centers in the early adoption of SPLC. Methods: A retrospective review of 100 prospectively selected cases of SPLC was carried out. All patients had received elective SPLC by a single surgeon in our center from May 2009 to December 2010. Our review suggests patients’ character, perioperative data and postoperative outcomes. Results: Forty-two men and 58 women with an average age of 45.8 years had received SPLC. Their mean body mass index (BMI) was 23.85 ㎏/㎡. The mean operating time took 76.75 minutes. However, operating time was decreased according to the increase of experience of SPLC cases. Twenty-one cases were converted to multi-port surgery. BMI, age, previous low abdominal surgical history did not seem to affect conversion to multi-port surgery. No cases were converted to open surgery. Mean duration of hospital stay was 2.18 days. Six patients had experienced complications from which they had recovered after conservative treatment. Conclusion: SPLC is a safe and practicable technique. The operating time is moderate and can be reduced with the surgeon’s experience. At first, strict criteria was indicated for SPLC, however, with surgical experience, the criteria and area of SPLC can be broadened. SPLC is occupying a greater domain of conventional laparoscopic cholecystectomy.
Roh Hyun Woong,Kim Na-Rae,이동기,Cheong Jae-Youn,Seo Sang Won,Choi Seong Hye,Kim Eun-Joo,Cho Soo Hyun,Kim Byeong C.,Kim Seong Yoon,Kim Eun Young,Chang Jaerak,Lee Sang Yoon,Yoon Dukyong,Choi Jin Wook,An Y 대한신경정신의학회 2022 PSYCHIATRY INVESTIGATION Vol.19 No.2
Objective We aimed to present the study design and baseline cross-sectional participant characteristics of biobank innovations for chronic cerebrovascular disease with Alzheimer’s disease study (BICWALZS) participants.Methods A total of 1,013 participants were enrolled in BICWALZS from October 2016 to December 2020. All participants underwent clinical assessments, basic blood tests, and standardized neuropsychological tests (n=1,013). We performed brain magnetic resonance imaging (MRI, n=817), brain amyloid positron emission tomography (PET, n=713), single nucleotide polymorphism microarray chip (K-Chip, n=949), locomotor activity assessment (actigraphy, n=200), and patient-derived dermal fibroblast sampling (n=175) on a subset of participants.Results The mean age was 72.8 years, and 658 (65.0%) were females. Based on clinical assessments, total of 168, 534, 211, 80, and 20 had subjective cognitive decline, mild cognitive impairment (MCI), Alzheimer’s dementia, vascular dementia, and other types of dementia or not otherwise specified, respectively. Based on neuroimaging biomarkers and cognition, 199, 159, 78, and 204 were cognitively normal (CN), Alzheimer’s disease (AD)-related cognitive impairment, vascular cognitive impairment, and not otherwise specified due to mixed pathology (NOS). Each group exhibited many differences in various clinical, neuropsychological, and neuroimaging results at baseline. Baseline characteristics of BICWALZS participants in the MCI, AD, and vascular dementia groups were generally acceptable and consistent with 26 worldwide dementia cohorts and another independent AD cohort in Korea.Conclusion The BICWALZS is a prospective and longitudinal study assessing various clinical and biomarker characteristics in older adults with cognitive complaints. Details of the recruitment process, methodology, and baseline assessment results are described in this paper.