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Seong Youl Choi,Hak Ki Shin,Eun Joo Huh,Oh Kun Kwon,Hyang Young Joung 한국육종학회 2006 한국육종학회지 Vol.38 No.4
A new cut-Qower gerbera (Gerbera hybrida Hort.) "Noble Hugging" was renamed from 'B3-16', a seedling selectedfrom Fi Population ofa cross ofmatemal parent "Michelle", the single flower having orange ray flowers and black disc and pollenparent "Picasso", t
Choi Jae-Ki,Kim Sunghan,Kim Seo Ree,Jin Jong-Youl,Choi Seon Woong,Kim Hoon,Yoo Jin-Hong,Park Ik Seong,Kim Seong-Rim 대한의학회 2021 Journal of Korean medical science Vol.36 No.31
Vaccination with an adenoviral vector vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can result in the rare development of thrombosis with thrombocytopenia mediated by platelet-activating antibodies against platelet factor 4 (PF4). This is a life-threating condition that may be accompanied by bleeding due to thrombocytopenia with thrombosis of the cerebral venous sinus or splanchnic vein. Herein, we describe the first fatal case of thrombosis with thrombocytopenia syndrome in Korea, presenting with intracranial hemorrhage caused by cerebral venous sinus thrombosis. A 33-year-old Korean man received the first dose of the ChAdOx1 nCoV-19 vaccination. He developed severe headache with vomiting 9 days after the vaccination. Twelve days after vaccination, he was admitted to the hospital with neurological symptoms and was diagnosed with cerebral venous sinus thrombosis, which was accompanied by intracranial hemorrhage. Thrombocytopenia and D-dimer elevation were observed, and the result of the PF4 enzymelinked immunosorbent assay antibody test was reported to be strongly positive. Despite intensive treatment, including intravenous immunoglobulin injection and endovascular mechanical thrombectomy, the patient died 19 days after vaccination. Physicians need to be aware of thrombosis with thrombocytopenia syndrome (TTS) in adenoviral vector-vaccinated patients. Endovascular mechanical thrombectomy might be a useful therapeutic option for the treatment of TTS with cerebral venous sinus thrombosis.
Choi Seong Youl,Shin Hak Ki,Huh Eun Joo,Kwon Oh Kun,Joung Hyang Young 한국육종학회 2006 한국육종학회지 Vol.38 No.4
A new cut-flower gerbera (Gerbera hybrida Hort.) “Noble Hugging” was renamed from ‘B3-16’, a seedling selected from F1 population of a cross of maternal parent “Michelle”, the single flower having orange ray flowers and black disc and pollen parent “Picasso”, the single flower having pinky ray flowers banded with white stripe and green disc at NHRI. It was crossed in 1998 and finally selected in 2003 after the investigation of the characteristics for five years from 1998 to 2003. The major characteristics of “Noble Hugging” are as follows. The single flower consists of a ivory ray flowers and black disc. And it has long strong flower stalk and long cut-flower longevity. It will be able to be planted in any greenhouse region in Korea.
Seong Hye,Choi Yunsu,Kim Minjeong,Kim Jung Ho,Song Joon Young,김신우,Kim Sang Il,Kim Youn Jeong,Park Dae Won,Park Boyoung,Choi Bo Youl,Choi Jun-Yong 대한감염학회 2023 Infection and Chemotherapy Vol.55 No.1
Background: Owing to antiretroviral therapy (ART), acquired immune deficiency syndrome (AIDS)-related mortality has significantly decreased. Retaining in care is an essential step for human immunodeficiency virus (HIV) care cascade. This study investigated the incidence of and risk factors for loss to follow-up (LTFU) in Korean people living with HIV (PLWH). Materials and Methods: Data from the Korea HIV/AIDS cohort study (including prospective interval cohort and retrospective clinical cohort) were analyzed. LTFU was defined as not visiting the clinic for more than 1 year. Risk factors for LTFU were identified using the Cox regression hazard model. Results: The study enrolled 3,172 adult HIV patients (median age, 36 years; male 92.97%). The median CD4 T cell count at enrollment was 234 cells/mm3 (interquartile range [IQR]: 85 - 373) and the median viral load at enrollment was 56,100 copies/mL (IQR: 15,000 - 203,992). The total follow-up duration was 16,487 person-years, and the overall incidence rate of LTFU was 85/1,000 person-years.In the multivariable Cox regression model, subjects on ART were less likely to have LTFU than subjects not on ART (hazard ratio [HR] = 0.253, 95% confidence interval [CI]: 0.220 - 0.291, P <0.0001). Among PLWH on ART, female sex (HR = 0.752, 95% CI: 0.582 - 0.971, P = 0.0291) and older age (>50: HR = 0.732, 95% CI: 0.602 - 0.890; 41 - 50: HR = 0.634, 95% CI: 0.530 - 0.750; 31 - 40: HR = 0.724, 95% CI: 0.618 - 0.847; ≤30: reference, P <0.0001) were associated with high rate of retention in care. The viral load at ART initiation ≥1,000,001 (HR = 1.545, 95% CI: 1.126 - 2.121, ≤10,000: reference) was associated with a higher rate of LTFU. Conclusion: Young and male PLWH may have a higher rate of LTFU, and an increased rate of LTFU may induce virologic failure.
A New Cut Flower Gerbera Cultivar, "Raon" with Large Size Flower and Double Type
Seong Youl Choi,Hak Ki Shin,Hyang Young Joung 한국육종학회 2006 한국육종학회지 Vol.38 No.4
A new cut-flower gerbera (Gerbera hybrida Hort.) "Raon" was bred from a cross between 'Kippros' of yellow colorwith the semi-double and 'Rora' of yellow color with the single at National Horticultural Research Institute, It was crossed in 1994and selected
A New Cut Flower Gerbera Cultivar, “Raon” with Large Size Flower and Double Type
Choi Seong Youl,Shin Hak Ki,,Joung Hyang Young 한국육종학회 2006 한국육종학회지 Vol.38 No.5
A new cut-flower gerbera (Gerbera hybridawith the semi-double and ‘Rora’ of yellow color with the single at National Horticultural Research Institute. It was crossed in 1994and selected in 2000 after the investigation of the characteristics for five years from 1995 to 1999. The major characteristics of11.0days. It will be able to be planted in any greenhouse region in Korea.
Choi, Seong Youl,Drees, Manuel,Song, Jeonghyeon IOP Publishing Ltd 2006 Journal of high energy physics Vol.2006 No.9
Once supersymmetric neutralinos &tildechi;<SUP>0</SUP> are produced copiously at <I>e</I><SUP>+</SUP><I>e</I><SUP>−</SUP> linear colliders, their characteristics can be measured with high precision. In particular, the fundamental parameters in the gaugino/higgsino sector of the minimal supersymmetric extension of the standard model (MSSM) can be analyzed. Here we focus on the determination of possible CP–odd phases of these parameters. To that end, we exploit the electron/positron beam polarization, including transverse polarization, as well as the spin/angular correlations of the neutralino production <I>e</I><SUP>+</SUP><I>e</I><SUP>−</SUP>&to;&tildechi;<SUP>0</SUP><SUB><I>i</I></SUB>&tildechi;<SUP>0</SUP><SUB><I>j</I></SUB> and subsequent 2–body decays &tildechi;<SUP>0</SUP><SUB><I>i</I></SUB>&to;&tildechi;<SUP>0</SUP><SUB><I>k</I></SUB><I>h</I>,&tildechi;<SUP>0</SUP><SUB><I>k</I></SUB><I>Z</I>,<img SRC='http://ej.iop.org/images/1126-6708/2006/09/064/ell-tilde.gif' ALT='ell with tilde'/><SUP>±</SUP><SUB><I>R</I></SUB>ℓ<SUP>∓</SUP>, using (partly) optimized CP–odd observables. If no final–state polarizations are measured, the <I>Z</I> and <I>h</I> modes are independent of the &tildechi;<SUP>0</SUP><SUB><I>i</I></SUB> polarization, but CP–odd observables constructed from the leptonic decay mode can help in reconstructing the neutralino sector of the CP–noninvariant MSSM. In this situation, transverse beam polarization does not seem to be particularly useful in probing explicit CP violation in the neutralino sector of the MSSM. This can most easily be accomplished using longitudinal beam polarization.
Seong-Youl Choi 중소기업융합학회 2019 융합정보논문지 Vol.9 No.6
본 연구는 노인운전자용 자가 보고식 평가 SAFE-DR 개발 프로젝트의 일환으로 운전위험성 선별을 위한 기준점수 를 확인하고 평가의 타당성을 검증하기 위해 수행되었다. Driver 65 Plus평가를 통해 노인운전자 132명을 58명의 위험성 운전자와 74명의 안전성 운전자로 구분하고, 이를 기준으로 SAFE-DR 평가의 위험성 예측 기준을 분석하였다. 또한 SAFE-DR 평가의 구성 타당도, 내용 타당도, 예측 타당도를 검증하였다. SAFE-DR 평가의 운전위험성 예측을 위한 기준 점수는 74.5점으로 분석되었으며, 이 기준의 양성 예측도는 88.6%, 음성 예측도는 86.3%로 판별력은 훌륭한(excellent) 수준으로 확인되었다. 또한 집중타당성, 법칙타당성, 내용타당성이 적절한 것으로 판정되었다. 따라서 본 연구를 통해 SAFE-DR은 위험한 노인운전자를 선별하는 용도로 활용할 수 있는 적절한 평가임을 확인하였다. This study was conducted to test the assessment validity and examine the cut-off scores for driving risk as a part of the Self-report Assessment Forecasting Elderly Driving Risk (SAFE-DR) development project. The 132 senior drivers were categorized as either risky of 58 or safe of 74 drivers through the Drivers 65 Plus. Based on this initial assessment, we analyzed the risk prediction cut-offs. Furthermore, we tested the construct, content, and predictive validity. The cut-off score for the prediction of driving risk was found to be 74.5 points. The positive predictive value was 88.6%, and the negative predictive value was 86.3% about the cut-off score, signifying an excellent level of discrimination. Convergent validity, nomological validity, and content validity were found to be appropriate. Therefore, this study confirms that SAFE-DR is an appropriate assessment that can be used to screen dangerous elderly drivers.
A New Cut Flower Gerbera Cultivar, “Raon” with Large Size Flower and Double Type
Choi Seong Youl,Shin Hak Ki,Joung Hyang Young 한국육종학회 2006 한국육종학회지 Vol.38 No.4
A new cut-flower gerbera (Gerbera hybrida Hort.) “Raon” was bred from a cross between ‘Kippros’ of yellow color with the semi-double and ‘Rora’ of yellow color with the single at National Horticultural Research Institute. It was crossed in 1994 and selected in 2000 after the investigation of the characteristics for five years from 1995 to 1999. The major characteristics of “Raon” are as follows. “Raon” is cut-flower cultivar with large size flower, dark orange color, double type. The vase life was 11.0 days. It will be able to be planted in any greenhouse region in Korea.