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SolA Park,SangWon Jeon,HoKyoung Yoon,SeoYoung Yoon,Cheolmin Shin,YoungHoon Ko 대한신경정신의학회 2018 PSYCHIATRY INVESTIGATION Vol.15 No.2
Objective-Residual symptoms of depression are related to more severe and chronic course of functional impairment with higher risk of relapse. The objective of this study was to validate, and determine psychometric properties of the Korean version of Depression Residual Symptom Scale (KDRSS). Methods-A total of 203 outpatients with recent episode of major depression based on DSM-IV criteria were enrolled in this study. They had been treated with antidepressants and assessed by KDRSS, Hamilton Depression Rating Scale-24 (HDRS-24), and Montgomery-Åsberg Depression Rating Scale (MARDS). The validity and reliability of KDRSS were assessed, including internal consistency reliability, concurrent validity, temporal stability, factorial validity, and discriminative validity. Results-Internal consistency (Cronbach’s alpha=0.961), concurrent validity (MADRS: r=0.731, p<0.01, HDRS-24: r=0.663, p<0.01), and temporal stability (r=0.726, p<0.01) of KDRSS were all excellent. KDRSS showed good discriminative validity based on MARDS. KDRSS consisted of one-factor structure accounting for 63.8% of total variance. All subjects except two in full remission group had one or more residual symptoms. In 7 subscales of KDRSS consisting of similar items respectively, ‘lack of energy’ was the most commonly reported, followed by ‘increased emotionalism’ in this group. Conclusion-KDRSS is a useful and sensitive instrument for measuring residual depressive symptoms. Since some depressive symptoms including ‘lack of energy’ and ‘increased emotionalism’ in patients with full remission might be persistent during psychiatric intervention, these symptoms need to be focused on in clinical practice.
ONLINE COMMERCE REPERTOIRES AND THEIR CHARACTERISTICS: ANALYSIS OF PANEL LOG AND SURVEY DATA
Sola Yoon,Sejung Marina Choi 글로벌지식마케팅경영학회 2023 Global Marketing Conference Vol.2023 No.07
This study aims to investigate online commerce repertoire-based clusters and their characteristics with shopping values and commerce attributes. This study analyzes Nielsen panel log data that recorded nearly 6,000 panelists’ use of 48 major commerce websites and mobile applications. In addition, a survey was conducted with a sample of the panelists, which supplemented the behavioral data and provided cognitive and attitudinal data. Six commerce clusters were identified: “Social commerce centric,” “Secondhand centric,” “PC centric,” “scattered,” “Home-shopping centric,” and “Fashion centric. Also, “Hedonic” was statistically significant and “Quick delivery,” “Membership” are perceived to be effective. Also, there were discrepancies between the log and survey on usage. As online marketing and advertising driving conversion becomes critical, the understanding of online commerce repertoires and related consumer perceptions and characteristics should offer significant implications.
Kim Jae-Yoon,이남준,Kim Yoon Jun,Chie Eui Kyu,Kim Jiyoung,Choi Hyun Hwa,Lee Jaewon,Lee Sola,Hong Su Young,Lee Jeong-Moo,Hong Suk Kyun,Choi YoungRok,Lee Kwang-Woong,Suh Kyung-Suk 대한이식학회 2023 Korean Journal of Transplantation Vol.37 No.1
Adrenal and spinal metastases of hepatocellular carcinoma (HCC) are rare entities with significant morbidity and mortality, particularly after liver transplantation (LT). We report a case of a 49-year-old man who underwent LT for hepatitis B-related end-stage liver disease and HCC (single 4.5 cm lesion [T1N0], without vascular invasion) in 2016. Eighteen months later, adrenal metastasis and hepatitis B seropositive conversion were developed with normal serum tumor. Adrenal metastasis was treated with radiation therapy (RT) and hepatitis B showed spontaneous seronegative conversion. However, 35 months later, spinal metastasis occurred with elevation of the protein induced by vitamin K absence or antagonist-II (PIVKA-II) level (197 mAU/mL), along with hepatitis B seropositive conversion. After sorafenib, sequential regorafenib with RT led to partial response of the spinal lesions, along with hepatitis B seronegative conversion and normal PIVKA-II levels. After 9 months of regorafenib combined with RT, two recurrent lesions were found, as well as hepatitis B seropositive conversion and lesions were treated with transarterial chemoembolization. The patient survived for more than 71 months after LT and 53 months after recurrence under various combinations of therapy. Combined systemic and locoregional therapies can be a treatment option for HCC recurrence, even in LT patients.
Review on lithium ion battery recycling: challenges and possibilities
Panda Namita,Cueva-Sola Ana Belen,Dzulqornain Arsyad Maulana,Thenepalli Thriveni,Lee Jin-Young,Yoon Ho-Sung,Jyothi Rajesh Kumar 한국자원공학회 2023 Geosystem engineering Vol.26 No.4
As technology keeps developing, India has become an emerging market in the world in consuming lithiumion battery (LIB) in numerous applications such as portable electronics, energy storage system (ESS) and the latest into electric vehicles. The high-end consumption of such batteries would generate a significant quantity of end-of-life batteries in coming seven to eight years. Currently, there is no dedicated legislation or infrastructure to handle such waste stream, which could be beneficial economically, environmentally and socially. The present review explains the current situation of LIB recycling in India, the challenges and possibilities to adopt a recycling business in India. In addition, information about the importance of waste as a resource and the current government legislation about battery disposal and various process methodologies to recover the economically valuable metals in the discarded batteries are presented.
Jiyoung Kim,Suk Kyun Hong,Jae-Yoon Kim,Jaewon Lee,Hyun Hwa Choi,Sola Lee,Su young Hong,Jeong-Moo Lee,YoungRok Choi,Nam-Joon Yi,Kwang-Woong Lee,Kyung-Suk Suh 대한외과학회 2023 Annals of Surgical Treatment and Research(ASRT) Vol.105 No.1
Purpose: Total necrosis of hepatocellular carcinoma (HCC) achieved via locoregional treatment (LRT) is considered to indicate a lack of tumor viability. Nonetheless, there is insufficient evidence of recurrence after liver transplantation (LT) in patients with such a status. The aim of this study was to investigate the prognosis of patients diagnosed with totally necrotic nodules upon explant hepatectomy after LT. Methods: We conducted a retrospective study of patients diagnosed with totally necrotic nodules after LT for HCC. A total of 165 patients with HCC who underwent living- or deceased-donor LT from 2000 to 2020 in our hospital were included. Results: A total of 5 patients (3.0%) exhibited HCC recurrence during a median follow-up of 84 months (range, 4–243 months) after LT. The 5-year overall and recurrence-free survival rates of these patients were 92.8% and 92.2%, respectively. Four patients in the HCC-recurrence group (80.0%) died even after further treatment, including transarterial chemoembolization, surgery, and systemic treatment. Both univariate and multivariate analyses of clinicopathological factors identified a maximum diameter of the totally necrotic nodules of >5 cm as the only factor associated with tumor recurrence following LT (P = 0.005 and P = 0.009, respectively). Conclusion: Total necrosis of HCC via LRT yielded excellent survival outcomes for patients undergoing LT. Nevertheless, patients with large tumors should be considered at high risk of recurrence after LT, suggesting the need for their active surveillance during the follow-up period.
Jaewon Lee,Nam-Joon Yi,Jae-Yoon Kim,Hyun Hwa Choi,Jiyoung Kim,Sola Lee,Su young Hong,Ung Sik Jin,Seong-Mi Yang,Jeong-Moo Lee,Suk Kyun Hong,YoungRok Choi,Kwang-Woong Lee,Kyung-Suk Suh 한국간담췌외과학회 2023 Annals of hepato-biliary-pancreatic surgery Vol.27 No.3
Attenuated portal vein (PV) flow is challenging in pediatric liver transplantation (LT) because it is unsuitable for classic end-to-end jump graft reconstruction from a small superior mesenteric vein (SMV). We thus introduce a novel technique of an end-to-side jump graft from SMV during pediatric LT using an adult partial liver graft. We successfully performed two cases of end-to-side retropancreatic jump graft using an iliac vein graft for PV reconstruction. One patient was a 2-year-old boy with hepatoblastoma and a Yerdel grade 3 PV thrombosis who underwent split LT. Another patient was an 8-month-old girl who had biliary atresia and PV hypoplasia with stenosis on the confluence level of the SMV; she underwent retransplantation because of graft failure related to PV thrombosis. After native PV was resected at the SMV confluence level, an end-to-side reconstruction was done from the proximal SMV to an interposition iliac vein. The interposition vein graft through posterior to the pancreas was obliquely anastomosed to the graft PV. There was no PV related complication during the follow-up period. Using a jump vascular graft in an end-to-side manner to connect the small native SMV and the large graft PV is a feasible treatment option in pediatric recipients with inadequate portal flow due to thrombosis or hypoplasia of the PV.
김성준(Sung Jun Kim),정승빈(Seungbin Jeong),윤주혁(Ju Hyuck Yoon),Saduakas Al isher,오만주(Manju Oh),정소라(Sola Chung),양현규(Hyeonkyu Yang),이희승(Hui Sung Lee) 한국자동차공학회 2022 한국자동차공학회 학술대회 및 전시회 Vol.2022 No.11
Autonomous and electrified vehicle changes in the automotive industry require a different approach to heat management systems for passengers on vehicles. This research aims to explore, ideate, and discover new concepts for future heat management systems for passengers. The paper discusses heating and cooling systems based on developing technologies such as infrared heaters and thermoelectric devices for possible on-vehicle activities through workshops and ideations. As a result, the research presents three concepts for immediate, near, and far futures.
Laser control of the RbCs bond
Chang, Bo Y.,Shin, Seokmin,Park, Young C.,Lee, Yoon S.,Sola, Ignacio R. Springer 2017 European Physical Journal D Vol. No.
<P>We show numerically that it is possible to control the bond distance of the RbCs dimer and create laser-induced oscillations using a single chirped pulse. The implementation of the scheme involves the creation of a superposition of the 1 (3)Sigma(+) and 2 (3)Sigma(+) excited triplet electronic states. We assume that the molecule is aligned and the dynamics is initiated in the bound 2 (3)Sigma(+) state. The chirped pulse allows full population transfer and dynamic vibrational trapping in the 1 (3)Sigma(+) state. In the adiabatic regime the position of the vibrational wave packet can be fully controlled by the carrier frequency of the field, so that one can determine and fix the bond length at any desired value, or impose particular trajectories, depending on the choice of the chirp.</P>