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Growth Profile and Toxigenicity of Bacillus cereus in Ready-to-eat Food Products of Animal Origin
오미화,함준상,설국환,장애라,이승규,이종문,박범영,강은실,권기성,황인균 한국축산식품학회 2011 한국축산식품학회지 Vol.31 No.1
The growth profile of Bacillus cereus in ready-to-eat (RTE) food products of animal origin was examined under different temperature and incubation conditions. In sandwiches and Kimbab, B. cereus did not grow or exhibited only minimal growth at 4 and 10℃, but it grew rapidly at ambient temperature. In sandwiches, B. cereus did not grow efficiently at 25℃,however, in ham, the main ingredient of sandwiches, B. cereus growth was observed at the same temperature, with bacterial levels reaching 7.94 Log CFU/g after incubation for 24 h at 25℃. Toxigenicity of B. cereus was observed only at temperatures above 25℃. In Kimbab, B. cereus produced toxin after 9 h at 30℃ and after 12 h at 25℃. Ingredients of sandwiches and Kimbab were collected from 3 different Korean food-processing companies to investigate the source of contamination by B. cereus. Among the 13 tested food items, 6 items including ham were found to be contaminated with B. cereus. Of these ingredients, B. cereus isolates from 3 items produced enterotoxins. None of these isolates harbored the emetic toxin-producing gene. The findings of the present study can be used for risk assessments of food products, including ham and cheese,contaminated with B. cereus.
오미화,황희성,Boram Chung,박현동,Sangha Han,Sun Moon Kang,Jun-Sang Ham,김현욱,Kuk-Hwan Seol,장애라,정규열 한국축산식품학회 2012 한국축산식품학회지 Vol.32 No.2
This report outlines the development of a rapid, simple, and sensitive detection system for pathogenic bacteria using a capillary electrophoresis-based, single strand conformation polymorphism (CE-SSCP) combined with PCR. We demonstrate that this method, used with primers targeting the V4 region of the16S rRNA gene, is capable of the simultaneous detection of 10 microbes that could be associated with foodborne illness, caused by animal-derived foods: Salmonella enterica,Listeria monocytogenes, Escherichia coli O157:H7, Campylobacter jejuni, Staphylococcus aureus, Bacillus cereus,Clostridium perfringens, Yersinia enterocolitica, Vibrio parahaemolyticus, and Enterobacter sakazakii. The traditional detection techniques are time-consuming and labor-intensive, due to the necessary task of separate cultivation of each target species. As such, the CE-SSCP-PCR method, that we have developed, has the potential to diagnose pathogens rapidly,unlike the traditional technique, in order to prevent foodborne illness in a much more efficient manner.
오미화,허정록 국제보건미용학회 2021 국제보건미용학회지 Vol.15 No.2
This study aims to increase the effectiveness of nail color management through the self-diagnosis of one's personal color. As color becomes more important in the age of sensibility, color selection is becoming more important in nail art, and a color that suits you can express clean skin, healthy beauty, and your personality and image, so choose a nail color that suits you. It is very important to do it (Yoo Seon-jin, 2006). An online questionnaire was circulated among women, focusing on color during nail care. The survey was conducted over 31 days, from July 14, 2021 to August 15, 2021, and a total of 247 copies were used as data for final analysis. According to this study, the satisfaction with nail color management associated with personal color is high, and the difference in satisfaction with nail color management with personal color self-diagnosis was most prevelent in summer cool tones (M=3.80). Therefore, in the future, the development of a personal color self-diagnosis system that can be easily performed by individuals and research on nail color management using the personal color self-diagnosis system have been studied extensively, and nail color management using the personal color self-diagnosis system has become more common. It is hoped that nail color management will be more effective in the future.
SNS 뷰티콘텐츠 정보가 20~30대 여성의 메이크업 행동과메이크업 제품구매에 미치는 영향
오미화,김민신 국제보건미용학회 2022 국제보건미용학회지 Vol.16 No.2
The purpose of this study is to verify the effects of SNS beauty content information on the makeup behavior and makeup product purchases of women in their 20s and 30s through empirical research, and to conduct a comprehensive study on the effects of SNS beauty content information on beauty in various ways. The intent was to provide basic data. As for the research method, a Google online questionnaire was employed and distributed to women in their 20s and 30s who consume SNS beauty content. SPSS 25.0 was used to conduct exploratory factor analysis and to verify the validity of the measurement tool; and Cronbach's α coefficient was calculated for reliability verification. Descriptive statistical analysis, correlation analysis, and regression analysis were performed. The results of the analysis are as follows. First, it can be seen that SNS beauty content information affects the makeup behavior of women in their 20s and 30s. Second, it can be seen that SNS beauty content and information affects makeup behavior and makeup product purchases of women in their 20s and 30s. Third, it can be seen that the makeup behavior of women in their 20s and 30s affects the purchase of makeup products.
공공병원 간호사의 직무스트레스, 자아존중감, 회복탄력성이 이직의도에 미치는 영향
오미화,유양경 학습자중심교과교육학회 2023 학습자중심교과교육연구 Vol.23 No.19
Objectives The purpose of this study was to investigate whether occupational stress, self-esteem, and resilience of public hospital nurses have an impact on their intention to turnover. Methods A structured questionnaire was administered to 240 nurses who had worked for more than 3 months in three public hospitals in Jeollabuk-do from August 22nd to September 4th, 2022. The questionnaire measured occupational stress, self-esteem, resilience, and turnover intention. The collected data were analyzed using IBM SPSS Statistics 21.0 software to fulfill the research objectives, including frequency, percentage, mean, standard deviation, Independent t-test, one-way ANOVA, Scheffé test, Pearson's Correlation Coefficient, and hierarchical regression analysis as appropriate. Results Regarding nurses' turnover intention, the study finds that occupational stress has a positive impact, while resilience has a negative impact. These two factors collectively explain 24% of the variance in turnover intention. Conclusions It can be observed that in the clinical setting of public hospitals, reducing occupational stress and en hancing nurses' resilience are pressing tasks to diminish turnover intention. Simultaneously devising practical measures for this purpose and implementing them in the practical field emerge as imperative challenges.
중년 남성들의 신체적·심리적 특성 및 외모관리 필요성이 외모관리 행동과 삶의 질에 미치는 영향
오미화,김민신 한국인체미용예술학회 2022 한국인체미용예술학회지 Vol.23 No.1
The purpose of this study is to examine the effects of physical and psychological characteristics of middle-aged men and the need for appearance management on related behaviors and quality of life. Based on this, we provide primary data so that middle-aged men can experience a healthy and wonderful middle age. This study surveyed middle-aged men for 31 days from April 28, 2021, to May 28, 2021. A total of 328 copies were collected and used for final analysis. As a result of the analysis, the higher the psychological anxiety, the higher the interest in appearance management behavior. Also, the more they felt the need for psychological and physical management, the higher their interest in appearance and appearance management behavior. It was found that these respondents were taking care of their appearance to improve their quality of life. It is hoped that research will continue in the future, and these follow-up studies will be able to determine the physical and psychological impact of overall lifestyles.