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장태희,정봉광,신혜주,Sooji Hong,이정규,김덕규,Laddawan Patarwut,손운목,채종일 대한기생충학ㆍ열대의학회 2020 The Korean Journal of Parasitology Vol.58 No.1
Gymnophallid metacercariae found in the Manila clam Ruditapes philippinarum (‘Banjirak’ in Korean) from Gochang-gun, Jeollabuk-do, Korea were morphologically and molecularly confirmed to be Parvatrema duboisi (Dollfus, 1923) Bartoli, 1974. The metacercariae were morphologically characterized by having a large oral sucker, small ventral sucker, genital pore some distance anterior to the ventral sucker, no ventral pit, and 1 compact or slightly lobed vitellarium, which were all compatible with P. duboisi. Some of the metacercariae were experimentally fed to mice, and adult flukes were recovered at day 7 post-infection. The morphology of the adult flukes was basically the same as that of the metacercariae except for the presence of uterine eggs; the uterus was filled with up to 40 eggs. The nucleotide sequences (1,193 bp) from ITS regions (ITS1, 5.8S rDNA, and ITS2) of the metacercariae showed 99.7% identity with P. duboisi and 75.7% identity with Gymnophalloides seoi deposited in GenBank. These results confirmed the presence of P. duboisi metacercariae in the Manila clam R. philippinarum in an estuary region of Gochang-gun, Korea.
대학생의 학습전략이 학업성취도에 미치는 영향:그릿의 매개효과를 중심으로
장태희,황주현,박정희,한우석 국제문화기술진흥원 2023 The Journal of the Convergence on Culture Technolo Vol.9 No.6
The purpose of this study was to examine the mediating effect of grit on the relationship between cognitive strategies, metacognitive strategies, and resource management strategies, which are subdomains of learning strategies, and academic achievement among university students, and to provide basic data for improving academic achievement. Data were collected using a structured questionnaire from 203 undergraduate students at a university in City C. Academic achievement was positively correlated and statistically significant with cognitive strategies, metacognitive strategies, resource management strategies, and grit, which are subdomains of learning strategies.Grit had a partial mediating effect on the effects of cognitive strategies (Z=4.372, p<.001), metacognitive strategies (Z=5.398, p<.001), and resource management strategies (Z=4.991, p<.001) on academic achievement. Therefore, it is necessary to specifically explore and utilize ways to improve cognitive strategies, metacognitive strategies, resource management strategies, and grit in college students to contribute to the improvement of college students' major competencies.
Molecular Diagnosis of Taenia saginata Tapeworms from Two Residents of Northern Cambodia
장태희,정봉광,손운목,홍수지,신혜주,류승완,이정규,Keon-HoonLEE,Virak Khieu,Rekol Huy,채종일 대한기생충학ㆍ열대의학회 2020 The Korean Journal of Parasitology Vol.58 No.2
Taenia saginata infection has seldom been reported in Cambodia. In this study, we performed a survey of intestinal parasites in 1,156 residents of Preah Vihear and Stung Treng Provinces in 2018. The results revealed that 26 (2.4%) cases were positive for Taenia spp. eggs. In order to obtain the strobilae of the tapeworms, 2 patients in Preah Vihear were treated with praziquantel and purged with magnesium salts. The proglottids expelled after the medication were morphologically and molecularly analyzed to determine the species. The main uterine lateral braches in gravid proglottids were > 15 in number suggesting that they are either T. saginata or Taenia asiatica. The sequences of the mitochondrial cytochrome c oxidase subunit 1 (cox1) gene and 2 nuclear loci, elongation factor-1 alpha (ef1) and ezrin-radixin-moesin-like protein (elp), were identical to the sequences of T. saginata available in GenBank but distant from Taenia solium, T. asiatica, and T. saginata-T. asiatica hybrid. This is the first report of the presence of T. saginata in the northern part of Cambodia bordering Lao PDR based on a molecular confirmation.
중소도시 주부들의 과일 소비실태 및 수입과일에 대한 인식
장태희(Jang, Taehui),백지선(Baek, Jiseon),이선민(Lee, Seonmin),표은지(Pyo, Eunji),현태선(Hyun, Taisun) 충북대학교 생활과학연구소 2019 생활과학연구논총 Vol.23 No.3
The purpose of this study was to examine purchasing behavior and consumption frequency of fruits, and perception of imported fruits among housewives living in small cities. A questionnaire survey was conducted to 265 housewives living in Cheongju, Suwon and Pohang from May to June in 2015. The place to buy fruits were fruit shop (30.9%), large discount store (25.3%), nearby supermarket (17.7%), and traditional markets (16.6%). When purchasing fruits, 34.3% answered they always checked their country of origin, 34.7 % answered ‘sometimes’, and 25.7% seldom checked, and 5.3% never checked. While 53.6% preferred domestic fruits, 46.4% preferred imported fruits or they do not care about the country of origin. These purchasing behaviors of fruits were significant different according to age. More than 90% had experience in purchasing imported fruits. Fruit consumption frequencies were higher in the group aged 50 or older than the group aged less than 40. Apple and tangerine were the most frequently consumed domestic fruits, and banana and orange were the most frequently consumed imported fruits. The most important factors for choosing fruits were taste, freshness, safety, price, nutrition in the order. They perceived imported fruits as tasty and having different types and flavor, but negatively perceived in terms of freshness, safety and hygiene. While the housewives thought that taste, freshness, and safety were the most important factors for choosing fruits, they do not think imported fruits were fresh, safe, and hygienic.