WebMar 27, 2016 · Scenedesmus sp. Scenedesmus quadricauda: photosynthesis reduction: EC50: 3: hours: 75: mg/L: 15 WHO/IPCS CICAD: Stratton GW, Corke CT: Toxicity of the insecticide permethrin and some degradation products towards algave and cyanobacteria. Environmental pollution, 29: 1982: 2016/03/08: WebTeacher. Place 5 mL of green algae culture into a culture tube. Prepare the algae culture 3 to 4 weeks prior to the activity to ensure a high concentration of algae. The culture should be dark green. Add 2.5 mL of 2% sodium alginate solution to the tube, place the cap on the tube, and mix for 1 to 2 minutes.
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WebThe atmospheric concentration of CO2, the main greenhouse gas (GHG), has increased rapidly since the beginning of the industrial age. Anthropogenic emissions from coal-fired power plants are responsible for approximately 7% (w/w) of global CO2 emissions. Microalgae CO2biofixation is a technology that reduces GHGs based on the use of solar … WebPhotolysis of water in Scenedesmus as a simple manometric experiment. Hydrogen and oxygen are produced in about the ratio 2:1 if photosynthesis, photoreduction and phosphorylation are suppressed. Adapted algae are illumi- nated in absence of CO2, under nitrogen and in presence of an inhibitor of phosphorylation. pokemon heartgold psychic tm
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WebResidual ash was studied at concentrations of 0.01, 0.1, 1, 10, 100, and 1000 mg/L and the toxicity was detected in terms of the change in the cell number only at a concentration of 1000 mg/L, at 0.01 mg/L in terms of the photosynthesis efficiency, and at 0.1 mg/L and above by the change in the amount of TBARS in microalgal cells. 展开 WebA 48 h exposure of Scenedesmus sp. to sublethal concentrations of Cu (2.5 and 10 microM) and Zn (5 and 25 microM) caused a concentration-dependent inhibition of growth, … Web@article{osti_7065477, title = {Effects of light on respiration and development of photosynthetic cells. Renewal application and progress report, March 1-November 1, 1980}, author = {Gibbs, M}, abstractNote = {The oxyhydrogen reaction in the presence and absence of CO/sub 2/ was studied in H/sub 2/- adapted Scenedesmus obliquus by monitoring the … pokemon heartgold primo code