DocumentCode
3319485
Title
Notice of Retraction
Growth Effects on Mixed Culture of Dunaliella salina and Phaeodactylum tricornutum under Different Inoculation Densities and Nitrogen Concentrations
Author
Weiwei Huang ; Bingzhi Dong ; Zhuoping Cai ; Shunshan Duan
Author_Institution
Sch. of Environ. Sci. & Eng., Tongji Univ., Shanghai, China
fYear
2011
fDate
10-12 May 2011
Firstpage
1
Lastpage
4
Abstract
Notice of Retraction
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
In the present study, growth effect on mixed culture of these two algae were studied under different inoculation proportions (10 : 0, 7 : 3, 5 : 5, 3 : 7, 0 : 10) and low, medium, and high nitrogen concentrations of 1.4mg/L, 14mg/L, and 140 mg/L, respectively. By evaluating cell density, biomass, chlorophyll a and protein content in the culture, it was found that colony cell growth of D. salina and P. tricornutum were increased with the increasing of nitrogen concentrations. Additionally, mixed culture of D. salina and P. tricornutum under high and medium nitrogen concentrations was found to led an increased growth of cell colonies (especially when the inoculation proportion was 7:3), increased chlorophyll a content by as much as 96.7% and 132.8%, and increased protein content by 1.3 and 2.8 folds as compared to that obtained with monoculture of D. salina and P. tricornutum. In contrast, when the mixed culture contained low concentration of nitrogen, cell colonies growth was restricted due to limitation of nitrogen.
After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.
We hereby retract the content of this paper. Reasonable effort should be made to remove all past references to this paper.
The presenting author of this paper has the option to appeal this decision by contacting TPII@ieee.org.
In the present study, growth effect on mixed culture of these two algae were studied under different inoculation proportions (10 : 0, 7 : 3, 5 : 5, 3 : 7, 0 : 10) and low, medium, and high nitrogen concentrations of 1.4mg/L, 14mg/L, and 140 mg/L, respectively. By evaluating cell density, biomass, chlorophyll a and protein content in the culture, it was found that colony cell growth of D. salina and P. tricornutum were increased with the increasing of nitrogen concentrations. Additionally, mixed culture of D. salina and P. tricornutum under high and medium nitrogen concentrations was found to led an increased growth of cell colonies (especially when the inoculation proportion was 7:3), increased chlorophyll a content by as much as 96.7% and 132.8%, and increased protein content by 1.3 and 2.8 folds as compared to that obtained with monoculture of D. salina and P. tricornutum. In contrast, when the mixed culture contained low concentration of nitrogen, cell colonies growth was restricted due to limitation of nitrogen.
Keywords
biochemistry; cellular biophysics; molecular biophysics; nitrogen; proteins; Dunaliella salina; N; Phaeodactylum tricornutum; biomass; cell density; chlorophyll a; colony cell growth; growth effects; inoculation densities; nitrogen concentration; protein content; Algae; Biomass; Manganese; Nitrogen; Proteins; Tides;
fLanguage
English
Publisher
ieee
Conference_Titel
Bioinformatics and Biomedical Engineering, (iCBBE) 2011 5th International Conference on
Conference_Location
Wuhan
ISSN
2151-7614
Print_ISBN
978-1-4244-5088-6
Type
conf
DOI
10.1109/icbbe.2011.5780135
Filename
5780135
Link To Document