KSBB Journal

  • 제28권3호
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  • Pages.170-176
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  • 2013
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  • 1225-7117(pISSN)
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  • 2288-8268(eISSN)
한국생물공학회 (The Korean Society for Biotechnology and Bioengineering)
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LED의 파장 및 광도, 공기주입이 Pavlova lutheri와 Phaeodactylum tricornutum의 최적 성장에 미치는 영향

Effect of Light-Emitting Diode Wavelength, Light Intensity and Air Flow Ration on Optimal Growth of Pavlova lutheri and Phaeodactylum tricornutum

  • 최보람 (부경대학교 환경공학과) ;
  • 김동수 (부경대학교 해양바이오신소재학과) ;
  • 이태윤 (부경대학교 환경공학과)
  • Choi, Bo-Ram (Department of Environmental Engineering, Pukyong National University) ;
  • Kim, Dong-Soo (Department of Marine Bio-materials and Aquaculture, Pukyong National University) ;
  • Lee, Tae-Yoon (Department of Environmental Engineering, Pukyong National University)
  • 투고 : 2013.01.22
  • 심사 : 2013.06.05
  • 발행 : 2013.06.27
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초록

The purpose of this study was to determine optimum condition of Pavlova lutheri and Phaeodactylum tricornutum. Detailed studies were carried out on the effects of various wavelengths of light-emitting diodes (LEDs), light intensities and air flow rations. For the Pa. lutheri, cell growth rates and maximum cell concentrations were similar regardless of wavelengths and air flow rates. Among the different light intensities, cell concentration increased when light intensity of red LED increased. For Ph. tricornutum, red LED was found to be the most effective light source, and light intensity of 3,100 Lux resulted in the most effective for the cultivation of Ph. tricornutum. Different air flow rates were tested to overcome shading effects due to denser cell concentration in the solution. Aeration of 0.8 vvm was determined to be the optimum aeration rate for the cultivation of Ph. tricornutum. Especially, five and two times greater cell concentrations of Pa. lutheri and Ph. tricornutum, respectively, were observed when air was applied.

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