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An optimized procedure for detection of genetically modified DNA in refined vegetable oils
Yuzhu Duan,Yan Pi,Changwen Li,Keji Jiang 한국식품과학회 2021 Food Science and Biotechnology Vol.30 No.1
In this study, the amplifiable DNA from refinedvegetable oils was isolated by using commercial DNAextraction kits based on the CTAB method in combinationwith nucleic acid enrichment, and then the presence ofgenetically modified (GM) soybean and maize DNA in theoils was traced by PCR. The results showed that theduration and intensity of heating had no significant effecton the DNA stability and concentration in oils for a shortperiod, suggesting that DNA in oils could be stablyreserved for a certain time, thus making it possible to tracedown refined vegetable oils reliably and effectively. Theresults provided a set of primers suitable for systematicGM oil detection. More importantly, this study made animportant contribution to the economical and reliabledetection of GM vegetable oils regarding food authenticityissues.
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A Study on the Return Phenomenon of China Overseas Talent Studying in the Post-Epidemic Era
Ziyu Zhang,Huang Yang,Yuzhu Duan KOREA INSTITUTE FOR HUMANITIES AND SOCIAL SCIENCES 2024 Journal of Global Area Studies Review(GAS) Vol.3 No.1
China has been committed to attracting and retaining overseas Chinese students in order to promote innovation and development in the country. The Central Organization Department has developed a series of policies and initiatives aimed at supporting overseas Chinese students in their innovation and entrepreneurship in China. However, covid-19 has had an impact on the phenomenon of overseas Chinese students returning home, which has also raised concerns. Objective: This study aims to explore the policy initiatives of the Central Organization Department and the changing trends of the phenomenon of overseas Chinese students returning home, with a view to providing useful references for China in attracting and retaining overseas Chinese students. Methods: Through literature review and policy analysis, an in-depth analysis was conducted on the policy initiatives of the Central Organization Department and the phenomenon of overseas Chinese students returning to China. Results: The study found that the Central Organization Department set strategic goals in supporting key national innovation projects, focusing on supporting innovation and entrepreneurship of top overseas Chinese students in China. Meanwhile, the phenomenon of overseas Chinese students returning to China after COVID-19 shows a certain trend of change. Conclusion: Research findings indicate that the COVID-19 pandemic has spurred a wave of overseas Chinese students’ returning to China which increases the domestic supply of talent. Governments and educational institutions should provide more support to those graduates adapting to the domestic employment market. What’s more, overseas Chinese students should actively seek opportunities, enhance their competitiveness, adapt flexibly to market changes, and prepare for future career aspirations.
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