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박선호(Park Seon-Ho),안재은(Ahn Jaeeun) 한국초등영어교육학회 2006 초등영어교육 Vol.12 No.2
English story books translated from Korean folk tales can be used as effective materials in elementary English education. This study explores the values of Korean folk tales through investigating the availability of the Korean folk tales in English, and analyzing the types and frequency of vocabulary employed. For this purpose research started from investigating Korean folk tales in English on the markets as well as on the web sites. Then two corpora were built by wording the texts into a corpus program: Korean folk tales in English and western folk tales. The findings from the research are as follows. Korean folk tales in English tended not to be easily available and not to be widely in use. With regards to the number of vocabulary types of Korean folk tales, it was nearly similar to that of western folk tales. However, the English vocabulary was quite strikingly different from the one suggested by the 7th National Curriculum. The frequency of English vocabulary in Korean folk tales was lower than the one from the English textbooks used in schools and the ratio of low-frequency words was comparatively high. It was also found that many words of Korean folk tales in English reflected the source culture, which is expected to be good for developing intercultural communicative competence. Lastly, contents, organizations, and the vocabulary were found to be somewhat different from each version though dealing with the same folk tales. With these findings some suggestions are provided for making the most out of the Korean folk tales in English for elementary school English teaching.
Recent progress in development and applications of second near? infrared (NIR-II) nanoprobes
Jongyoon Shinn,Sunyoung Lee,Hyon Kyong Lee,Jaeeun Ahn,Seon Ah Lee,Seonju Lee,이용현 대한약학회 2021 Archives of Pharmacal Research Vol.44 No.2
Optical probes for near-infrared (NIR) lighthave clear advantages over UV/VIS-based optical probes,such as their low levels of interfering auto-fl uorescenceand high tissue penetration. The second NIR (NIR-II) window(1000−1350 nm) off ers better light penetration, lowerbackground signal, higher safety limit, and higher maximumpermitted exposure than the fi rst NIR (NIR-I) window(650−950 nm). Therefore, NIR-II laser–based photoacoustic(PA) and fl uorescence (FL) imaging can off er higher sensitivityand penetration depth than was previously available,and deeper lesions can be treated in vivo by photothermaltherapy (PTT) and photodynamic therapy (PDT) with anNIR-II laser than with an NIR-I laser. Advances in creationof novel nanomaterials have increased options for improvinglight-induced bioimaging and treatment. Nanotechnologycan provide advantages such as good disease targetingability and relatively long circulation times to supplementthe advantages of optical technologies. In this review, wepresent recent progress in development and applications ofNIR-II light–based nanoplatforms for FL, PA, image-guidedsurgery, PDT, and PTT. We also discuss recent advances insmart NIR-II nanoprobes that can respond to stimuli in thetumor microenvironment and infl amed sites. Finally, we considerthe challenges involved in using NIR-II nanomedicinefor eff ective diagnosis and treatment.