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http://dx.doi.org/10.15433/ksmb.2014.6.2.131

Screening of Freshwater Microalgae for Resistance to Ultraviolet Radiation  

Han, Mi-Ae (Department of Biological Engineering, Inha University)
Han, Hye Jin (Department of Food and Nutrition, Inha University)
Jung, Moon Hee (Department of Biological Engineering, Inha University)
Yoo, Rim Hwan (Haesong High School)
Hwang, Chae Eun (Haesong High School)
Myung, Su Hyun (Kojan High School)
Son, Yun Jin (Kojan High School)
Yoon, Young-Sil (Haesong High School)
Lee, Choul-Gyun (Department of Biological Engineering, Inha University)
Publication Information
Journal of Marine Bioscience and Biotechnology / v.6, no.2, 2014 , pp. 131-137 More about this Journal
Abstract
Ultraviolet-B radiation (UV-B) in sunlight causes biological damages such as erythema and blister on skin. Microalgae have been in the limelight as an attractive feedstock for manufacturing functional materials. This study focused on screening microalga with protection ability against UV-B. The microalgae were isolated from local areas on April to June 2013 as well as June 2014. The cells were grown under continuous illumination from fluorescent lamps at $136.3{\pm}2.2{\mu}E/m^2/s$ in BG-11 medium at $15^{\circ}C$ for 12-14 days. The selected cells were spread on BG-11 agar and were exposed to UV-B (312 nm) for 20 and 25 minutes. The 13 strains among selected algae were classified. Among these, 9 strains were Scenedesmus sp. and the remains were Chlorella sp. Based on this study, it seems that Scenedesmus sp. and Chlorella sp. have resistibility against ultraviolet. These results will help to study on UV protection using microalgae.
Keywords
microlagae; screening; Ultraviolet-B radiation; protection ability;
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