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서민영,김원경,양지혜,이주연,이다빈,차명화,김춘영,류경 한국식품조리과학회 2019 한국식품조리과학회지 Vol.35 No.4
Purpose: The aim of this study was to develop new recipes to apply milk for enhancing the calcium intake of soldiers. Methods: In order to select menu items for using milk, an analysis was conducted on the 'Food Service Operation Guidelines' and military menus of the first half of 2018. Subsequently, the suitability of mass production for military foodservice, and calcium content of 750 mg per day by adding milk were considered. In addition, the type of military foodservice (lunch meal, a la carte menu and snack meal) and the environments of military foodservice were identified and reflected in the selection of milk menu items. Results: The final selected and developed milk menus were a main dish (with chicken curry, milk tteokbokki, Mac and cheese), an a la carte menus (with pumpkin milk curry rice bowl, cream risotto and sweet potato milk porridge), and snack menus (with milk cream udon, milk vegetarian mayo sauce). After recruiting 50 military soldiers to investigate the response to the military milk menus, the acceptance scores were the highest for Mac and cheese (3.55), followed by cream risotto (3.55) and milk vegetarian mayo sauce (3.52). The calcium contents in each menu were 89.5 mg in the pumpkin milk curry rice bowl, 290.0 mg in the milk tteokbokki and 377.3 mg in the milk cream udon. Conclusion: The amount of calcium intake in the army could be greatly increased by replacing the conventional military menu with the menu applied milk. Moreover, applying the milk menus to military meals stabilizes the domestic milk supply by the recognition of the importance of the milk intake and it improves the overall satisfaction by meeting the military soldiers’ taste preferences. The results can provide a basis for establishing foodservice policies for the military to improve the calcium intake of military personnel.
Trend of Olfactory and Gustatory Dysfunction in COVID-19 Patients in a Quarantine Facility
서민영,석혜리,황선진,최희경,전지훈,Jang Wook Sohn,박대원,이승훈,최원석 대한의학회 2020 Journal of Korean medical science Vol.35 No.41
Background: Olfactory and gustatory dysfunction has been reported as characteristic symptoms of coronavirus disease 2019 (COVID-19). This study evaluated olfactory and gustatory dysfunction in mild COVID-19 patients using validated assessment methods. Methods: A prospective surveillance study was conducted for mild COVID-19 patients who were isolated at the Gyeonggi International Living and Treatment Support Center (LTSC), Korea. Olfactory function was assessed using the Korean version of the Questionnaire of Olfactory Disorders (QOD) and Cross-Cultural Smell Identification Test (CC-SIT). Gustatory function was assessed using an 11-point Likert scale and 6-n-propylthiouracil, phenylthiocarbamide, and control strips. All patients underwent nasal and oral cavity endoscopic examination. Results: Of the 62 patients at the LTSC, 15 patients (24.2%) complained of olfactory or gustatory dysfunction on admission. Four of 10 patients who underwent functional evaluation did not have general symptoms and 2 were asymptomatic. The mean short version of QOD-negative statements and QOD-visual analogue scale scores were 13 ± 6 and 4.7 ± 3.6, respectively. The mean CC-SIT score was 8 ± 2. No patients showed anatomical abnormalities associated with olfactory dysfunction on endoscopic examination. The mean Likert scale score for function was 8 ± 2, and there were no abnormal lesions in the oral cavity of any patient. Conclusions: The prevalence of olfactory and gustatory dysfunction was 24.2% in mild COVID-19 patients. All patients had hyposmia due to sensorineural olfactory dysfunction, which was confirmed using validated olfactory and gustatory evaluation methods and endoscopic examination. Olfactory and gustatory dysfunction may be characteristic indicators of mild COVID-19.
서민영,김상아,박정은,주민경 대한경영교육학회 2011 경영교육저널 Vol.22 No.-
정보화·평생교육시대에 접어듦에 따라 교육에 대한 관심이 급증하였다. 교육시장이 확대됨에 따라 e-러닝의 중요성이 대두되었다. e-러닝의 수요가 급증하고 있는 이유는 시·공간 제약이 없고 자율적·반복학습이 가능하기 때문이다. 본 연구는 한국의 e-러닝 시장에서 메가스터디가 성공할 수 있었던 요인을 분석하고, "최초"라는 수식어를 얻은 메가스터디의 성공요인을 알아보았다. 첫 번째 성공요인은 남보다 빠른 Needs발견과 변화 대응력이다. 두 번째 성공요인은 업계 최고의 강사들을 스카우트하여 최고의 강의를 제공하고 있다는 것이다. 세 번째 성공요인은 철저한 고객 관리 시스템과 고객들에게 제공되는 다양한 콘텐츠가 있다. 메가스터디가 종합교육기업으로 나아가기 위해 보안해야 도리 부분들을 찾아보고, 그에 관한 개선 방안을 제시하였다. 우선 고객들을 위한 다양한 패키지 상품이 부족하였다. 패키지 상품을 많이 개발함으로써 소비자가 원하는 강의를 다양하게 들을 수 있도록 구성해야 한다. 그리고 스타강사들의 개개인 역량에 기업이 좌지우지 되는 것이 아니라, 강사에게 파트너라는 위치를 부여하고, 그 역량을 키움으로써 메가스터디 또한, 좋은 협력자로서의 브랜드 역량을 갖추어야 한다. 따라서 메가스터디는 성공요인을 더욱 더 강점으로 발전시키고 문제점을 보완하여 앞으로 수직적·수평적 종합교육기업으로 나아가야 한다.
서민영,곽보민,권영환 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
고분자 나노 섬유를 제조하는 여러 가지 방법 중 전기방사법은 넓은 표면적, 간편성, 저렴한 비용, 다양한 폴리머의 적용 등 다양한 장점이 있다. 이 연구에서는 높은 인장강도, 내구성, 탄성 등 우수한 기계적 성질을 나타내는 폴리우레탄과 가교제인 bis-propargyl-succinate(BPS)을 혼합한 후 전기방사법으로 가교된 나노 섬유를 제조하였다. 폴리우레탄은 hydroxy group을 갖는 glycidyl azide polyol (GAP), Poly(tatramethylene glycol) (PTMG)와 isocyanate group을 갖는 4,4‘-methylenebis(phenyl isocyanate) (MDI)와 chain extender 1,4-butanediol (BD)를 사용해서 중합 반응하여 용매에 용해되도록 합성하였다. 합성된 폴리우레탄과 BPS를 전기방사법에 적용하여 나노 섬유를 형성한 후, 나노 섬유 내에서 폴리우레탄과 BPS와의 Cu-free azide-alkyne Click 반응을 수행하여 보다 더 우수한 기계적 및 열적 성질을 갖는 나노 섬유를 제조하고자 하였다.
A Survey of Korean Physicians’ Prescription Patterns for Allergic Rhinitis
서민영,김동규,지혜미,안영민,김용민,홍상덕 대한이비인후과학회 2017 Clinical and Experimental Otorhinolaryngology Vol.10 No.4
Objectives. The aim of this study was to compare the prescription patterns according to characteristics of physicians using a survey distributed amongst physicians in Korea. Methods. We surveyed the prescription patterns for allergic rhinitis (AR) of the members of the Korean Academy of Asthma, Allergy and Clinical Immunology (KAAACI) and the Korean Association of Otorhinolaryngologists (KAO). Questionnaire contained 4 categories with 28 queries. 448 physicians including 98 internal medicine (IM), 113 pediatrics (PED), and 237 otorhinolaryngology (ENT) were responded. Results. Although the Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines are most frequently used in all specialties, seasonal or perennial AR is the most frequent classification system. For the definitive diagnosis of AR, ENT physicians reported using multiple allergen simultaneous test (MAST)/radio allergy sorbent test (RAST) more than others (IM, 10.9%; PED, 20.6%; ENT, 44.2%; P<0.001). In treatment, most physicians reported that antihistamine medication is the initial treatment for AR. PED physicians prescribed fewer intranasal steroid to combinations with an antihistamine than other specialists (IM, 65.3%; PED, 42.5%; ENT, 63.3%), but preferred leukotriene antagonists (IM, 4.1%; PED, 23.0%; ENT, 3.9%; P=0.041). Overall, 53% (235/448) of the physicians performed allergen immunotherapy (AIT), and IM administers the most AIT (IM, 71.6%; PED, 42.0%; ENT, 39.5%; P=0.019). Furthermore, university and general hospital physicians prescribed more AIT than doctors at other hospital types (university hospital, 76.4%; general hospital, 64.3%; local hospital, 21.4%; private clinic, 20.2%; P<0.001). Conclusion. The prescription patterns for AR were different according to the physicians’ characteristics and general rate of prescribing AIT is just about 53% in Korea. Thus, the development of complementary Korean-specific guidelines is needed and proper clinical instruction of AIT would be necessary.