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영상처리를 활용한 ALA 광감각제가 처리된 암세포의 증식제어 효과 연구
김민경(Min-Kyung Kim),박소윤(So-Yun Park),최세운(Se-woon Choe) 한국정보통신학회 2024 한국정보통신학회논문지 Vol.28 No.1
광 역학 치료 기술은 광원을 이용해 암을 치료하는 기술로, 광감각제가 광원에 반응하면 체내 산소와 결합해 화학적 반응을 일으켜 암세포를 파괴하는 특징을 이용한다. 이 치료법은 암 환자들에게 높은 치료 효과를 보이며 부작용을 최소화하는 치료 방법이지만, 고가의 치료비용과 발열 등의 단점으로 인해 제한적인 면을 보여 왔다. 따라서 본 논문에서는, 상대적으로 저렴한 470㎚의 LED 광원과 광감각제인 ALA를 사용하였을 때 HELA와 MDA-MB-231 암세포 증식 억제에 미치는 영향을 정량적으로 분석하는 연구를 진행하였다. 결과적으로, ALA의 농도가 5mM일 때 HELA세포는 22.3%, MDA-MB-231세포는 34.8%의 생존율을 보임에 따라 LED를 사용한 저가형 암세포 증식제어 모듈이 효과적으로 암세포를 제어할 수 있음을 보였다. Photodynamic therapy (PDT) is a technology that employs a light source for cancer treatment. Upon interaction with the light source, the photosensitizer reacts with oxygen in the body, initiating a chemical reaction that exploits its property to destroy cancer cells. While PDT exhibits a high therapeutic efficacy for cancer patients and minimizes side effects, it faces limitations such as high treatment costs and the occurrence of fever. In light of these challenges, this study aims to quantitatively analyze the inhibitory effect on the proliferation of HELA and MDA-MB-231 cancer cells using a cost-effective 470㎚ LED light source and the photosensitizer ALA. The experimental results indicate that at an ALA concentration of 5mM, HELA cells exhibited a survival rate of 22.3%, and MDA-MB-231 cells exhibited a survival rate of 34.8%. This suggests that a low-cost cancer cell proliferation control module utilizing LED technology can effectively regulate cancer cells.
코로나 팬데믹시대에 지역사회 기반의 YouTube 비대면 자가교육 프로그램 운영과 고혈압 환자의 만족도
손효림(Hyo-Rim Son),박소윤(So Youn Park),용희정(Hee-Jung Yong),고예진(Ye-Jin Ko),정다운(Da-Woon Jung),원은숙(Eun-Sook Won),김춘배(Chun-Bae Kim) 한국보건교육건강증진학회 2021 보건교육건강증진학회지 Vol.38 No.5
Objectives: This study explored YouTubes educational program developed for hypertensive patients in response to the COVID-19 pandemic at a community Hypertension and Diabetes Registration and Education Center and evaluated participant satisfaction. Methods: We conducted content analysis of hypertension-related videos uploaded on the YouTube channel “I Want to Know Blood Vessels!” and descriptive analysis of a cross-sectional study that evaluated the satisfaction of 213 hypertensive patients who watched these videos. Results: From April 2020 to November 2021, the center delivered a total of 25 videos related to hypertension. Most individual educational materials were viewed for seven to nine minutes, whereas the total screening time reached over 3 hours. Readers viewed lifestyle habit videos on exercise (up to 6,530 times) and nutrition (up to 1,400 times) more often than specialized videos on hypertension. Of the participants, 100% were satisfied with non-face-to-face self-management education, whereas 99.5% felt they received help from the contents. Conclusions: The improved accessibility of information and communication through YouTube’s educational strategy can enhance health education and promotion programs, while improving hypertensive patients’ health behavior. However, further research is needed to devise a more appropriate method for developing educational materials based on patient video inquiry patterns and preferences.