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Algae > Volume 30(2); 2015 > Article
Algae 2015;30(2): 171-179. doi: https://doi.org/10.4490/algae.2015.30.2.171
Screening and identification of bioorganic light-emitting substances from marine macrophytes
Sang Mok Jung1, Han Seong Lee2, Han Joo Lee1, Seul Gi Kang1, Ji Su Son1, Jae Hyuk Jeon1, Hee Baik Chae3 and Hyun Woung Shin1,*

1Department of Life Science and Biotechnology, Soonchunhyang University, Asan 366-745, Korea
2Department of Forensic Investigation, Research Center of National Coast Guard, Cheonan 330-861, Korea
3Department of Physics, Soonchunhyang University, Asan 366-745, Korea
*Corresponding Author  Email: hwshin@sch.ac.kr
Organic light-emitting materials in marine macrophytes from various coastal environments were identified. Twentyeight species from the solvent fractions were examined and identified as candidates for bioorganic light-emitting materials using photoluminescence (PL) spectra and gas chromatography-mass spectrometry. We selected 16 solvent fractions from a total of 1,221 prepared from Ishige okamurae, Sargassum confusum, Grateloupia elliptica, Chondracanthus intermedius, Porphyra yezoensis, Meristotheca papulosa, Gelidium amansii, and Scytosiphon lomentaria. The maximum light-emitting PL spectra appeared at various colors, mainly between blue and green, based on chromaticity coordinates, from solvent fractions of M. papulosa, G. amansii, G. elliptica, P. yezoensis, S. lomentaria, I. okamurae, and C. intermedius. These results will contribute to the development of novel organic light-emitting materials.
Key words: bioorganic light-emitting material; gas chromatography-mass spectrometry; marine macrophytes; photoluminescence spectrum

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