This study investigates the spectral shifting of UV-A radiation, using fluorescent material, as a tool for enhancing Chlorella sp. growth rate in simulated photobioreactors made of UV-stabilized polycarbonate (PC) and poly (methyl methacrylate) (PMMA). The feasibility of using a fluorescent coating as a wavelength shifter layer, to shift UV-A radiation to the PAR range, was explored. For this purpose, a variety of concentrations of fluorescent dye dissolved in thermoplastic acrylic resin were prepared and used to coat PMMA and PC sheets which then were placed between the radiation source and the culture flask. Compared with the uncoated sheets, the panels coated with the wavelength shifter layer exhibited 74% and 45% (for PC and PMMA substrates, respectively) increase in biomass productivity during the same culture period. It was also found that the elimination of UV-A radiation increased chlorophyll a content of the cells.
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Danesi, EDG
;
Rangel-Yagui, CO
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机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Rangel-Yagui, CO
;
Carvalho, JCM
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机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Carvalho, JCM
;
Sato, S
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h-index: 0
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Danesi, EDG
;
Rangel-Yagui, CO
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Rangel-Yagui, CO
;
Carvalho, JCM
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil
Carvalho, JCM
;
Sato, S
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, BrazilUniv Sao Paulo, Fac Pharmaceut Sci, Dept Pharmaceut Technol & Biochem, BR-05508900 Sao Paulo, Brazil