Evaluation of Flat fish (Glyptocephalus stelleri) Freshness Using Comparison Sensory test and Chemical Analysis

So-I Kim(김소이),Ji-young Shin,Yun-hyeong Lee,Jun-ho Yang,I-seul Choi,Eun-ji Cha,Hyun-Suk Kim,So-Ra Lee,Ji-young Yang 한국수산과학회 양식분과 2020 한국수산과학회 양식분과 학술대회 Vol.2020 No.7

문서 기반 성별 예측을 위한 요인 추출 및 한글 문서에의 적용 연구

최예림 ( Ye Rim Choi ),김소이 ( So Lee Kim ),박규연 ( Kyu Yon Park ),박종헌 ( Jong Hun Park ) (주)엘지씨엔에스(구 LGCNS 엔트루정보기술연구소) 2015 Entrue Journal of Information Technology Vol.14 No.3

최근 개인화된 추천 시스템과 같이 성별 정보를 필요로 하는 서비스가 증가함에 따라 사용자의 성별 예측은 주요 연구 주제로 각광받고 있다. 이미지, 동영상, 센서 등 다양한 데이터를 기반으로 성별 예측이 이루어지고 있으며, 이 중 SNS나 블로그의 글을 토대로 저자의 성별을 알아 낼 수 있다. 이때, 문서에서 추출된 요인의 종류에 따라 예측 성능이 달라진다고 알려져 있다. 따라서 본 연구에서는 기존 문서 기반 성별 예측 연구에서 사용된 요인의 종류 및 추출 방법론을 정리하고 이들의 한글 문서에의 적용 가능성을 살펴본다. 약 40종류 이상의 요인들이 정리되었으며, 이들 중 한글 문서에 적용 가능한 요인들을 선정하여 한글 블로그 문서에서 추출하였다. 이렇게 추출된 요인을 이용하여 성별 예측 실험을 수행하였으며 실험을 통해 열린 사전 요인과 의미 요인이 성별 예측에 유의미하다는 결론을 내릴 수 있었다. As gender information is required in diverse domains, gender prediction becomes an important research issue. Among gender pre-diction using various data types including image, video, and sensor data, gender prediction using text documents makes it possible to predict gender of users in social network or blog services using documents written by them. Gender prediction performance is closely related to the features extracted from documents and used for prediction. In this regard, we introduce feature extraction methods adopt-ed in previous gender prediction studies using text documents and investigate their application to a Korean corpus. We categorized the features into more than 40 types. Some of them, which can be applied to Korean corpus, were utilized for gender prediction using Ko-rean blog corpus. From the experiment, it can be concluded open dictionary features outperformed other lexical features and sematic feature is most effective for gender prediction.

식도부식제 손상으로 결장식도 성형술 후 발생한 경부 가성게실과 과잉결장

최윤정 ( Yun Jung Choi ),김소이 ( So I Kim ),정혜경 ( Hye Kyung Jung ),이주호 ( Ju Ho Lee ),김성은 ( Seong Eun Kim ),정성애 ( Sung Ae Jung ),유권 ( Kwon Yoo ),문일환 ( Il Hwan Moon ) 대한소화기기능성질환·운동학회 2009 Journal of Neurogastroenterology and Motility (JNM Vol.15 No.1

Corrosive injury of the esophagus tends to occur more commonly due to intentional ingestion of corrosive substances, rather than due to accidents or as a complication of esophageal diseases. Long-term complications of esophageal corrosive injury include esophageal stricture, antral stenosis and rarely, the development of esophageal carcinoma. When esophageal stricture occurs, initial treatment is performed by repetitive bougie dilatation and balloon catheter dilation. However, in cases with severe esophageal stricture, esophageal dilatation is ineffective and esophageal reconstructive surgery is necessary. The colon is the most common organ used to substitute for the esophagus. An appropriate blood supply is crucial to maintain its function. The propulsive contraction, of the distal colon as a substitute, is an especially important force needed to propel a bolus into the stomach. However, a motility disturbance in this section may produce redundancy of the graft or a pseudodiverticulum at the proximal anastomosis site of the esophagoplasty, resulting in complications such as food retention. We treated a patient who presented with a cervical pseudodiverticulum and redundancy of the intra-thoracic colon graft three years after coloesophagoplasty. Revision surgery was performed to relieve the debilitating symptoms including dysphagia, nausea, vomiting, and severe weight loss. The surgery improved the patient`s quality of life. (Kor J Neurogastroenterol Motil 2009;15:70-75)

분말형 견운모를 혼입한 모르타르의 내화성능 연구

박지연(Ji-Yeon Park),김소이(So-I Kim),김성하(Seong-Ha Kim),이재용(Jae-Yong Lee),정철우(Chul-Woo Chung) 한국건설순환자원학회 2021 한국건설순환자원학회 논문집 Vol.9 No.1

분말형 견운모는 폐기물 재활용 차원에서 화학, 광물 분야에서 활발하게 연구가 이루어지고 있고, 비교적 저렴하게 구할 수 있는 재료이며, 일반 운모와 마찬가지로 낮은 열전도율을 가지고 있다. 따라서 본 연구에서는 분말형 견운모를 활용하여 모르타르의 열전도율을 개선하고, 이를 통해 시멘트 복합체용 내화재료로서와 활용가능성을 확인하고자 하였다. 분말형 견운모를 혼입한 시멘트 모르타르를 제작하고, 이의 열전도율 및 고온 노출 전후의 압축강도를 비교 평가하여 내화성능을 규명하고자 하였다. 실험 결과에 따르면, 분말형 견운모를 혼입하는 경우 압축강도가 감소하는 것으로 나타났으며, 혼입량 증가에 따른 압축강도의 감소는 미미하였다. 분말형 견운모를 혼입하면, 열전도율이 감소하며, 600°C, 900°C, 1,200°C에 소성된 모르타르 시험체의 잔존강도가 플레인 모르타르에 비해 높게 나타났다. 실험 결과를 종합적으로 평가해 볼 때, 분말형 견운모는 시멘트 복합체용 내화 재료로서의 활용가능성이 존재한다고 결론지을 수 있다. Powder type sericite has been actively researched in the area of chemistry and mineralogy in terms of waste recycling. It is a material that can be obtained relatively inexpensively with a low thermal conductivity like general mica, so in order to improve the thermal conductivity of the mortar, powder type sericite was used in this work. Compressive strengths of mortar before and after high temperature exposure were compared and evaluated to determine the fire resistance of mortar with powder type sericite. According to the experimental results, it was found that the compressive strength decreased when powder type sericite was replaced with cement, but the decrease in compressive strength with the increasing amount of powder type sericite was insignificant. When powder type sericite was incorporated, the thermal conductivity decreased, and the residual strengths of the mortar specimens which were heat treated at 600°C, 900°C, and 1,200°C were higher than that of plain mortar. From the comprehensive evaluation of the experimental results, it can be concluded that the powder type sericite has the potential to be used as a refractory material for cement composites.

제주 자생 식물 추출물의 항산화 및 세포 보호작용에 관한 연구(I)

박수남 ( Jung Won Choi ),최정원 ( So I Kim ),김소이 ( So Mi Jeon ),전소미 ( Jill Young Kim ),김진영 ( Hee Jung Yang ),양희정 ( Keun Ha Lee ),이근하 ( Soo Nam Park ) 대한화장품학회 2006 대한화장품학회지 Vol.32 No.3

본 연구에서는 제주도에서 자생하는 36종의 식물 추출물에 대한 항산화, 미백 그리고 주름억제 효능을 조사하였다. 항산화 효능은 DPPH (1,1-diphenyl-2-picrylhydrazyl radical)을 이용한 free radical 소거 활성 측정, luminol-의존성 화학발광법을 이용한 Fe³⁺-EDTA/H₂O₂ 계에서 생성된 활성산소종(ROS)의 소거활성 측정, rose-bengal로 증감된 사람 적혈구의 광용혈법을 이용한 세포보호 효과를 측정하였다. 미백 효능 검색으로 tyrosinase 저해활성 측정과 주름개선 효능검색으로 elastase의 저해 활성을 측정하였다. 그 결과 DPPH의 free radical 소거활성은 소리쟁이 전초(Rumex crispus FSC₅₀; 10μg/mL)에서 높게 나타났고, 활성산소 소거활성은 질경이 전초(Plantago asiatica, OSC₅₀; 0.006μg/mL), 소리쟁이 전초(0.04 μg/mL), 세포보호활성은 50 μg/mL 농도에서 소리쟁이 전초(τ₅₀; 1,140 min, 후박나무 잎(Machilus thunbergii, 216 min) 및 노박덩굴 잎/줄기/꽃(Celastrus orbiculatus, 200 min)에서 크게 나타났다. 200 μg/mL 농도에서 tyrosinase 저해활성은 뽕나무 줄기(Morus alba, 94.8%), elastase의 저해 작용은 소리쟁이 전초(81.8%), 뽕나무 줄기(74.6%), 노박덩굴 잎/줄기/꽃(63.1%)에서 큰 활성이 나타났다. 결론적으로 소리쟁이, 질경이, 후박나무 잎, 뽕나무 줄기 및 노박덩굴 잎/줄기/꽃 추출물은 기능성 화장품 제조를 위한 원료로 사용하기에 충분한 가능성이 있음을 확인할 수 있었다. 향후 제품화를 위하여 좀더 다양한 연구들이 필요하다고 사료된다. In this study, we investigated the anti-oxidative, anti-wrinkle and whitening effects of 36 plant extracts collected from self-growing plants in Jeju island. Their anti-oxidant activities were measured by free radical scavenging activity using DPPH (1,1-diphenyl-2-picrylhydrazyl radical), reactive oxygen species (ROS) scavenging activities on ROS generated in Fe³⁺-EDTA/H₂O₂ system using the luminol-dependent chemiluminescence assay, and cell protecting activities using the rose-bengal sensitized photohemolysis of human erythrocytes. In addition, the inhibitory activities of tyrosinase for whitening effect and elastase for anti-wrinkle were investigated. The results showed that the Rumex crispus (all grass) extract has the most significant free radical scavenging activity (FSC₅₀; 10 μg/mL), Plantago asiatica and Rumex crispus extracts for the prominent ROS scavenging activity (OSC₅₀; 0.006 μg/mL, 0.04 μg/mL respectively), Rumex crispus (τ₅₀; 1,140 min at 50 μg/mL), Machilus thunbergii leaf (216 min), and Celastrus orbiculatus (200 min) for cell protecting effects, Morus alba stem for the inhibitory activity on tyrosinse (94.8% at 200 μg/mL), Rumex crispus (81.8% at 200 μg/mL), Morus alba (74.6%), and Celastrus orbiculatus leaf/stem/flower (63.1%) for the activity on elastase. These results indicated that the extracts of Rumex crispus, Plantago asiatica, Machilus thunbergii leaf, Morus alba stem, Celastrus orbiculatus leaf/stem/flower could have the functional effects when they are added as ingredients in cosmetics. Thus, it is concluded that further experiments are needed to apply for cosmetic products.

증례 : 감염 ; 불명열 에이즈 환자에서 발생한 파종성 조류형 결핵균 감염 1예

허현미 ( Hyun Mi Heo ),전윤희 ( Yoon Hee Jun ),김소이 ( So I Kim ),이명원 ( Myung Won Lee ),성순희 ( Sun Hee Sung ),이미애 ( Mi Ae Lee ),최희정 ( Hee Jung Choi ) 대한내과학회 2010 대한내과학회지 Vol.79 No.2

우리나라에서 에이즈환자의 기회감염증은 칸디다증, 결핵과 주폐포자충 폐렴이 가장 흔하며 그 중 결핵이 가장 위중한 기회감염이나, 최근에는 국내에서도 결핵 유병률의 감소와 더불어 비결핵 항산균 감염이 점차 증가하고 있다. 따라서 항산균 양성 환자에서 결핵과 비결핵 항산균의 감별이 중요하다. 최근에는 real-time PCR법이 개발되어 기존의 중합효소 연쇄 반응법보다 빠르 고 결핵균과 비결핵 항산균을 함께 검출하여 감별할 수 있다. 저자들은 에이즈 환자에서 복강내 임파절 조직검사와 real-time PCR법을 통해 확진된 파종성 결핵균 감염 환자를 화학 요법으로 치료하였기에 이를 보고하는 바이다. Since the first AIDS case was reported in 1985, the number of patients with AIDS and infectious complications has been increasing in Korea. Mycobacterium avium complex (MAC) infection is a common opportunistic infection in patients with AIDS, especially those with lower CD4+T cell counts. Although MAC is a common systemic bacterialinfection in developed countries, few cases have been reported among AIDS patients in Korea. MAC infection is rare in an immunocompetent person, but is an important cause of morbidity and mortality in patients with AIDS. MAC infection is typically associated with the degree of immunosuppression, duration of HIV infection, and low CD4+T cell counts. Here we report a case of disseminated MAC infection in an AIDS patient with fever, mesenteric lymph node enlargement, and pancytopenia. (Korean J Med 79:210-214, 2010)

원발성 복막수염의 임상양상

박재정 ( Jae Jung Park ),정성애 ( Sung Ae Jung ),노영욱 ( Young Wook Noh ),김고흔 ( Go Heun Kim ),허현미 ( Hyun Mi Heo ),배서은 ( Suh Eun Bae ),최윤정 ( Yun Jung Choi ),김소이 ( So I Kim ),이명원 ( Myung Won Lee ),강민정 ( Min Jun 대한장연구학회 2009 Intestinal Research Vol.7 No.1

Background/Aims: Primary epiploic appendagitis (PEA) is a rare cause of focal abdominal pain in otherwise healthy patients. Patients with acute abdominal pain are often misdiagnosed clinically as acute appendicitis or diverticulitis. The purpose of this study was to describe the clinical presentation and characteristic computed tomography (CT) findings of PEA. Methods: We reviewed the clinical records and CT images of 23 consecutive patients in Korea who presented with acute abdominal pain between January 2005 and February 2009 and had radiologic signs of PEA. Results: Twenty-three patients (7 females and 16 males; average age, 42±14 years) were diagnosed with symptomatic PEA. Abdominal pain localized to the left (8 patients [44.5%]) and right (10 patients [55.5%]) lower quadrants as the leading symptom. CT findings specific for PEA were present in all patients except one. The symptoms resolved within 1 week (mean, 3.5 days) with or without antibiotic treatment. Conclusions: In patients with localized, sharp, acute abdominal pain not associated with other symptoms, such as nausea, vomiting, fever or atypical laboratory values, the diagnosis of PEA should be considered and the diagnosis confirmed by CT scan. (Intest Res 2009;7:47-51)

반응표면분석법을 이용한 타타리메밀싹에서 플라보노이드 추출 최적화

신지영(Jiyoung Shin),최이슬(Iseul Choi),황진우(Jinwoo Hwang),양준호(Junho Yang),이윤형(Yoonhyeong Lee),김소이(So-i Kim),차은지(Eunji Cha),양지영(Ji-Young Yang) 한국생명과학회 2020 생명과학회지 Vol.30 No.12

타타리메밀은 rutin, quercetin, kaempferol, myricetin 등의 플라보노이드를 함유하고 있는 곡물이다. 또한, 이러한 생리활성 물질은 곡물을 발아시키고 싹으로 재배하였을 경우 증가하는 경향을 가지게 된다. 이에 본 연구에서는 반응표면분석법을 활용하여 재배한 타타리메밀싹으로부터 생리활성 물질인 플라보노이드, rutin, quercetin, myricetin의 추출 함량이 최대로 되는 최적추출조건을 도출하였다. Box-Behnken design에 따라 함량에 영향을 끼칠 수 있는 독립변수로 추출온도(X₁, 50~70℃), 추출시간(X₂, 5~9 hr), 에탄올의 농도(X₃, 60~90%)를 설정하였고, 종속변수로는 rutin, quercetin, myricetin 각각의 함량을 사용하였다. 각각의 함량에 대한 모델식의 R²은 0.95 이상으로 유의성을 가져 적합하다고 판단되었다. 적합성 결여 test에서의 p-value가 모두 0.1 이상을 나타내어 유의성이 기각되었고, 이는 모델이 추출조건을 잘 설명할 수 있음을 나타내었다. 최적화된 추출 방법은 추출온도 51.03℃에서 6.62시간 동안 69.16%의 에탄올을 이용하여 추출하는 것이었다. 최적 조건에서의 예측된 rutin, quercetin, myricetin의 함량은 각각 808.467, 193.296, 37.361 μg/ml이었다. 예상된 모델을 검증하기 위하여 최적화된 추출조건을 이용하여 10회 추출을 진행한 결과, rutin, quercetin, myricetin 함량이 각각 802.84±8.49 μg/ml, 193.76±2.80 μg/ml, 34.84±0.43 μg/ml으로 측정되었다 rutin과 quercetin는 예측치와 실험치가 유의적 차이를 보이지 않았지만, myricetin의 경우에는 예상된 값에 조금 미치지 못하는 값이 측정되었다. Tartary buckwheat is a grain with many flavonoids, such as rutin, quercetin, kaempferol, and myricetin. This study aimed to optimize extraction conditions to maximize the rutin, quercetin, and myricetin contents of tartary buckwheat sprout extracts using response surface methodology. A Box-Behnken design containing 15 experiments was employed to evaluate the effects of extraction conditions, such as temperature (X1, 50~70℃), extraction time (X₂, 5~9 hr), and ethanol concentration (X₃, 60~90%). The coefficients of determination (R²) for all the dependent variables (extraction temperature, extraction time, and extraction ethanol concentration) were determined to be over 0.95, indicating significance. The p-value of the model in lack of fit was over 0.1 than means, indicating that the model was well predicted. The optimal extraction conditions for rutin, quercetin, and myricetin contents were obtained at X₁ = 51.03, X₂ = 6.62, and X₃ = 69.16, respectively. Under these optimal conditions, the predicted rutin, quercetin, and myricetin contents were 808.467 μg/ml, 193.296 μg/ml, and 37.360 μg/ml, respectively. For the validation of the model, ten experiments were performed and the experimental rutin and quercetin contents were measured at 802.84±8.49 μg/ml, 193.76±2.80 μg/ml, and 34.84±0.43 μg/ml, respectively. The experimental rutin and quercetin contents were similar to the predicted contents, but the experimental myricetin content was lower than predicted.

간세포암환자에서 간동맥 화학 색전술 후 발생한 리피오돌에 의한 폐렴 1예

김소이,김유리,허현미,배서은,이명원,최윤정,김고흔,김태헌,유 권,문일환 이화여자대학교 의과대학 2009 EMJ (Ewha medical journal) Vol.32 No.2

Hepatocellular carcinoma(HCC)is one of common causes of cancer-related death in Korea where the majority of HCC patients were Hepaitc B virus(HBV)carriers and have cirrhosis. Transarterial chemoembolization(TACE)is commonly applied to the treatment of multinodular HCC in Korea and careful selection of candidate is important for the risk of various side effects. Besides common side effects as fever, nausea, abdominal pain and elevation of liver enzyme, TACE may predispose to hepatic failure, ischemic cholecystitis, pulmonary embolism, cerebral embolism and pneumonitis. In previous studies, some cases of pulmonary and cerebral embolism cases were reported but lipiodol pneumonitis after TACE was rarely reported. A 65-year-old woman with a multinodular HCC associated with HBV infection, was treated with TACE. Seven days after the procedure, nonspecific respiratory symptoms such as dyspnea and dry cough developed. Chest X-ray and chest computed tomography showed diffuse ground glass opacities in whole lung fields, suggestive of lipiodol pneumonitis. After several days of supportive care with steroid administration, radiologic abnormalities and subjective symptoms were much improved, considered that the disease was compatible with lipiodol pneumonitis.

다클론성 감마글로불린병증을 동반한 C-ANCA 양성 급속진행성 사구체신염 1예

백은경,노선희,박진경,조정연,권성신,심은진,권경주,노영욱,이경종,윤정윤,김인선,김소이,류동열,성순희,홍기숙 이화여자대학교 의과학연구소 2008 EMJ (Ewha medical journal) Vol.31 No.1

저자들은 육안적 혈뇨, 체중 감소를 주소로 입원하여 특별한 원인을 찾을 수 없는 심한 빈혈과 고감마글로불린병증을 보이고 신조직 검사에서 C-ANCA 양성 급속 진행성 사구체신염으로 진단된 예를 경험하였기에 보고 하는 바이다. Rapidly progressive glomerulonephritis(RPGN) is one of the most calamitous renal disease which is clinically characterized by sudden and relentless deterioration in renal function within weeks to months and associated with the pathologic finding of extensive extracapillary proliferation. Pauci-immune RPGN is mostly associated with anti neutrophil cytoplasmic antibody (ANCA) positive systemic vasculitis, but renal-limited RPGN may be found in part. We experienced a case of ANCA positive RPGN associated with polyclonal gammopathy without systemic symptoms. A 64-year-old woman was admitted with gross hematuria and azotemia. Laboratory findings revealed polyclonal gammopathy and severe anemia without definite cause, and she was diagnosed as C-ANCA positive crescentic glomerulonephritis without systemic vasculitis. She was treated with steroid pulse therapy and her renal function and anemia were progressively improved. We report herein a rare case of C-ANCA positive crescentic glomerulonephritis associated with polyclonal gammopathy and severe anemia with the review of literature.