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- 저자 : 최수연(Soo-Yeon Choi) (검색결과 45 건)
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적콜라비 새싹채소 종자에서 분리한 Escherichia coli strain RC-4-D의 생장예측모델
최수연,류상돈,박병용,김세리,김현주,이승돈,김원일,Choi, Soo Yeon,Ryu, Sang Don,Park, Byeong-Yong,Kim, Se-Ri,Kim, Hyun-Ju,Lee, Seungdon,Kim, Won-Il 한국식품저장유통학회 2017 한국식품저장유통학회지 Vol.24 No.6
본 연구는 시중 유통되고 있는 새싹채소 재배용 적콜라비 종자에서 분리한 E. coli strain RC-4-D의 생장예측모델을 개발하기 위해 수행되었다. 각 온도조건(10, 15, 20, 25, $30^{\circ}C$) 별로 적콜라비 중 E. coli strain RC-4-D 밀도 변화를 조사하였고 Baranyi model을 1차 생장예측모델로 이용하였고 각 온도별로 최대생장률(${\mu}max$)과 $10^{\circ}C$를 제외한 유도기(LPD) 값을 도출하였다. E. coli strain RC-4-D의 최대생장률에 대한 2차 생장예측모델로써 suboptimal Ratkowsky square-root, suboptimal Huang square-root, suboptimal Arrhenius-type 세 종류의 모델을 비교하였다. 모델 적합성 검정 결과, suboptimal Huang square-root 모델이 정확도가 가장 높고 suboptimal Ratkowsky square-root 모델이 편차가 가장 적은 것으로 나타났다. 종합적으로, RMSE가 0.100, $A_f$가 1.255, $B_f$가 0.999인 suboptimal Ratkowsky square-root 모델이 온도의 영향을 설명하는 가장 적합한 2차 생장예측 모델인 것으로 나타났다. 본 연구에서 개발한 모델은 적콜라비 새싹채소 생산에 있어서 E. coli의 생장을 예측하고 미생물 위해성평가를 수행하는데 활용될 것으로 기대된다. This study was conducted to develop a predictive model for the growth of Escherichia coli strain RC-4-D isolated from red kohlrabi sprout seeds. We collected E. coli kinetic growth data during red kohlrabi seed sprouting under isothermal conditions (10, 15, 20, 25, and $30^{\circ}C$). Baranyi model was used as a primary order model for growth data. The maximum growth rate (${\mu}max$) and lag-phase duration (LPD) for each temperature (except for $10^{\circ}C$ LPD) were determined. Three kinds of secondary models (suboptimal Ratkowsky square-root, Huang model, and Arrhenius-type model) were compared to elucidate the influence of temperature on E. coli growth rate. The model performance measures for three secondary models showed that the suboptimal Huang square-root model was more suitable in the accuracy (1.223) and the suboptimal Ratkowsky square-root model was less in the bias (0.999), respectively. Among three secondary order model used in this study, the suboptimal Ratkowsky square-root model showed best fit for the secondary model for describing the effect of temperature. This model can be utilized to predict E. coli behavior in red kohlrabi sprout production and to conduct microbial risk assessments.
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아주대학교병원 소아치과에서 시행된 전신마취 하 치과치료에 관한 실태조사
최수연,공은경,백광우,Choi, Soo-Yeon,Kong, Eun-Kyung,Baek, Kwang-Woo 대한치과마취과학회 2014 Journal of Dental Anesthesia and Pain Medicine Vol.14 No.4
Background: General anesthesia is a necessary method for successful dental treatment for children, compromised patients and the disabled who have difficulty in cooperation. The aim of this study was to assess dental treatment under general anesthesia at the department of pediatric dentistry, Ajou university hospital on children and the disabled. Methods: 217 general anesthesia from June 2010 to June 2014 were assessed for this study. Patient's distribution, treatment pattern, reasons for general anesthesia, distribution of combined operation, duration of anesthesia, treatment, frequency of general anesthesia and agents for general anesthesia were examined. Results: The proportion of male, the disabled were higher and above 19 years age group was the highest. Combined operation with otolaryngology was highest. Main reasons for general anesthesia were mental retardation for the disabled and uncooperative behavior for the non-disabled. Percentage of restorative treatment was the highest. Average anesthesia duration was 186 minutes and average treatment time was 143 minutes. Most of the airway was maintained by nasotracheal intubation and induction was done by sevoflurane. Conclusions: General anesthesia for dental treatment has been increasing for children, the disabled who have a difficulty of cooperation. The demand for dental treatment under general anesthesia is expected to continuously increase. Therefore, continuous research and studies should be done to establish efficiency and safety of general anesthesia and provide an enhanced environment for treatment.
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『빌리 버드』에 드러난 역사의 진실 : 제국주의적 이데올로기 비판
최수연(Choi Soo-Yeon) 경성대학교 인문과학연구소 2010 인문학논총 Vol.15 No.2
이 논문의 목적은 역사비평의 관점에서 『빌리 버드』에서 드러나는 역사의 층위, 곧 멜빌이 말하는 순백한 진실의 의미를 살펴보는 것이다. 이 소설에서 멜빌은 1842년 선상에서 세 명의 군인들을 처형한 미국의 소머스호 반란사건에 대한 진실을 말하고자 했다. 이를 위해 그는 영국에서 일어난 두 가지 역사적인 사건을 차용한다. 그는 18세기 말 프랑스 혁명정신의 영향으로 일어난 스핏헤드 소요사건과 노어반란 사건을 소재로 하여 가상의 벨리포텐트호 반란사건을 형상화한다. 멜빌은 이 사건에서 비어 함장을 제국주의의 집행자로, 헌병하사관 클래가트를 그 하수인으로, 수병 빌리를 제국주의의 희생자로 그리면서, 제국주의의 허구성을 비판한다. 이어서 그는 벨리포텐트호 반란사건과 소머스호 반란사건을 대조시켜 19세기 중후반부터 제국주의국가로 변모해 가는 자신의 조국인 미국의 모순적 실상을 반성적으로 보여 주고 있다. 특히, 멜빌은 법과 언론 그리고 역사까지도 제국주의 사회체제를 강화하기 위한 지배이데올로기의 도구로 사용되고 있음을 밝힌다. This paper aims to examine the unvarnished historical truth revealed in Billy Budd, Sailor from the historical criticism's point of view. In this novel, Melville desires to speak the unvarnished truth of the Somers Affair which three navy men accused of plotting mutiny were hanged in 1842. Melville, however, shapes the fictional Bellipotent Mutiny by using the Spithead Commotion and the Nore Mutiny of England in 1797 as its subject matters. These two historical events occurred as a result of the French revolutionary spirit. Melville tries to show the truth of the mutiny on board the Bellipotent. And then he criticizes the falsehood of imperialism, describing Captain Vere as a British Empire's executor, Claggart, a master-at-arms as its perpetrator, and Billy Budd, a sailor as its victim. Melville introspectively shows the contradictory American realities that began to change into the imperialistic America from the middle of the 19th century, contrasting The Somers Affair with the Bellipotent Mutiny. More importantly, he uncovers that the law, the speech, and even history are used as the tools of a dominant ideology to strengthen the imperialistic social system.
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최수연(Choi Soo Yeon) 새한영어영문학회 2009 새한영어영문학 Vol.51 No.1
The contents and technique of the barn burning episode in the opening chapter of The Hamlet are different from that of its original story, the "Barn Burning," in the four aspects. Firstly, the story of Sarty is eliminated. Secondly, there is an additional scene, a war of nerves between de Spain Major and Ab after a fire in the Major's barn. Thirdly, Flem becomes the main character. Fourthly, the narrator, Ratliff, delivers stories objectively with humor. In the revision, Faulkner intercepts the readers' recognitions-the radical resistance against an unfair sharecropping contract and lien system in the New South can be justified-by removing dramatic tension between Ab and Sarty. The writer devalued Ab's behavior as an immoral conduct that is just a result of personal discontent. Moreover, Faulkner does not write seriously about the cause of conflict between Major and Ab. The writer describes these stories objectively and humorously in order to appease anger of Ab who is a poor white sharecropper. It is in this manner, Faulkner reduces the symbolic meaning of Ab's arson. Faulkner revised the "Barn Burning," which contains serious and revolutionary matters, into the barn burning episode written in a conservative and humorous way. Faulkner's intention of revision is related with the decay of the Populist agrarian revolt and the return to laissez faire economism in the recovery momentum of The Great Depression. However, his ultimate concerns are not focused on the class warfare of the poor whites, but on the natural aristocrat's social control.
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최수연(Choi Soo Yeon) 새한영어영문학회 2003 새한영어영문학 Vol. No.
The mountains of West Virginia are typical of liberalism; the plains of Virginia of paternalism. Sutpen is insulted by a black slave in front of the porch of a big mansion owned by a rancher at Tidewater, which reveals the conflict between liberalism and paternalism. After this incident, Sutpen sets a life goal with the negative elements hidden in these two ideologies. In paternalism, the ruling class hide their ruthless avarice by establishing a virtuous leader in the name of helping the foolish people; in liberalism, under the disguise of equality, they hide their avarice by dominating the Other. Sutpen sets an inhuman and ruthless code in order to achieve his greedy desire and proceeds to carry out a grand design of building his kingdom. In Haiti, he experiences the "freedom" of colonialism where he can rule over colonial slaves on the basis of white supremacy, the colonial and imperialist ideology. At Jefferson, Sutpen's dream for the rule of the upper class is completed with the use of slavery he experienced first hand in Haiti. Symbolically, Sutpen's greedy desire and ruthlessness are sown in the mountains of West Virginia, their buds begin to sprout in the plains of Virginia, their boughs and bark are created in Haiti, and the blossoms are in full bloom at Jefferson. Sutpen hates the class system of race and social status in the beginning, but he begins to long for class segregation. Finally, he adopts the desire to be one of the ruthless ruling class. The primal force with which Sutpen pushes to build his own kingdom without any shame, though he reveals ruthlessness and greedy desire, is the spirit of autonomy and protestant labor ethics, characteristics of liberalism. However, it is noticeable that this novel focuses on Sutpen's fall rather than on his success. The narrator, Quentin, regards Sutpen's fall as deriving from inhuman avarice and ruthlessness hidden in ideologies such as liberalism, paternalism, white supremacy, and colonial imperialism, as mentioned above. Thus, Quentin shows that Sutpen's inhuman and ruthless behaviour cannot be justified and beautified in terms of his autonomy and protestant labor ethics. The six spiritual elements-liberalism, paternalism, colonial imperialism, white supremacy, the spirit of autonomy and protestant labor ethics-coincidentally correspond with the resources for America's foundation and expansion. In a sense, Sutpen's history symbolizes that of America and his nature may represent that of America as a nation. In particular, Quentin, a member of WASP, having conscientious intellectuality, reconstructs America's one hundred year history up to 1910 in the life of Sutpen, Quentin depicts the self-portrait of America in Sutpen who achieves his success with avarice and ruthlessness but ruins his success because of the inhumanity hidden deep down in them.
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