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响应面法优化混合培养微藻Chlorella sp.U4341油脂产率的研究
微藻 油脂产率 响应面法
2016/6/27
为了提高混合培养微藻Chlorella sp.U4341的油脂产率,采用响应面法对培养条件进行优化研究。通过单因素实验筛选出促进Chlorella sp.U4341油脂产率的最佳碳源、氮源分别为葡萄糖、Na NO3。利用Plackett-Burman实验筛选出显著影响Chlorella sp.U4341油脂产率的两个因子,通过最陡爬坡实验逼近最大油脂产率区域,运用中心组合实验及响应面分析确定了两个...
Toxic Effects of Nano-CuO, Micro-CuO and Cu2+ on Chlorella sp.
Nano-CuO Chlorella sp Toxic effects Photosynthesis Oxidant stress
2013/3/9
The 96 h acute toxic effects of nano-CuO (N-CuO), micro-CuO (M-CuO) and 2+ on Chlorella sp. were investigated in this paper. The results showed that toxicities decreased in an order of Cu2+＞N-CuO＞M-Cu...
高含油小球藻(Chlorella sp.)培养工艺条件的研究
小球藻 油脂产率 部分析因试验 正交试验
2012/8/3
考察了小球藻的异养能力,并利用部分析因试验和正交试验两步试验设计优化了小球藻产油条件。实验结果表明:所选小球藻能够进行异养,在葡萄糖、半乳糖和麦芽糖中均生长良好。以葡萄糖为外加碳源时,兼养组和异养组的生长量较之自养组分别提高了3.72和2.74倍。经过部分析因试验和正交试验,筛选出影响小球藻油脂产率的显著因素为氮源浓度和温度。在氮源浓度为6.0mmol/L,温度为25℃,pH值为6.0时,小球藻的...
高含油小球藻(Chlorella sp.)培养工艺条件的研究
小球藻 油脂产率 部分析因试验 正交试验
2012/8/3
考察了小球藻的异养能力,并利用部分析因试验和正交试验两步试验设计优化了小球藻产油条件。实验结果表明:所选小球藻能够进行异养,在葡萄糖、半乳糖和麦芽糖中均生长良好。以葡萄糖为外加碳源时,兼养组和异养组的生长量较之自养组分别提高了3.72和2.74倍。经过部分析因试验和正交试验,筛选出影响小球藻油脂产率的显著因素为氮源浓度和温度。在氮源浓度为6.0mmol/L,温度为25℃,pH值为6.0时,小球藻的...
Toxicological Response of the Green Alga Chlorella vulgaris, to Some Heavy Metals
Bioaccumulation Chlorella vulgaris heavy metals metabolism
2010/12/22
Chlorella vulgaris Beyerinck was isolated from Al-Asfar Lake, Al-Hassa, Saudi Arabia. A standard initial inoculum of the isolated algae was inoculated to culture flasks. The culture flasks were suppli...
Biochemical System Analysis of Lutein Production by Heterotrophic Chlorella pyrenoidosa in a Fermentor
Chlorella pyrenoidosa lutein heterotrophic cultivation biochemical system analysis modelling
2010/3/24
Chlorella is a promising alternative source of lutein, as it can be cultivated heterotrophically with high efficiency. In this study, the carotenoids in Chlorella pyrenoidosa heterotrophically cultiva...
Purification and Characterization of Extracellular Cysteine Protease Inhibitor from Chlorella sp.
green algae Chlorella cysteine protease inhibitor
2009/7/8
An extracellular cysteine protease inhibitor (ECPI) from Chlorella sp. was purified to homogeneity by DEAE-Cellulose column chromatography and Sephacryl S-300 column chromatography. The molecular mass...
Purification and Characterization of Intracellular Cysteine Protease Inhibitor from Chlorella sp.
green algae Chlorella cysteine protease inhibitor
2009/7/7
An intracellular cysteine protease inhibitor (ICPI) from Chlorella sp. was purified to homogeneity judging from polyacrylamide gel electrophoresis. The purified inhibitor had a molecular mass of 410kD...