نتایج جستجو برای: chlorella vulgaris beijernick

تعداد نتایج: 27954  

Journal: :Bioresource technology 2013
Amélie Talec Myrvline Philistin Frédérique Ferey Günther Walenta Jean-Olivier Irisson Olivier Bernard Antoine Sciandra

Experiments were performed at lab scale in order to test the possibility to grow microalgae with CO2 from gaseous effluent of cement industry. Four microalgal species (Dunaliella tertiolecta, Chlorella vulgaris, Thalassiosira weissflogii, and Isochrysis galbana), representing four different phyla were grown with CO2 enriched air or with a mixture of gasses mimicking the composition of a typical...

2012
L. Zheng S. T. Oh J. Y. Jeon B. H. Moon H. S. Kwon S. U. Lim B. K. An C. W. Kang

Fermented Chlorella vulgaris CBT(®) was evaluated for its effects on egg production, egg quality, liver lipids and intestinal microflora in laying hens. One hundred and eight Hy-line Brown layers (n = 108), 80 wk of age, were fed a basal diet supplemented with CBT(®) at the level of 0, 1,000 or 2,000 mg/kg, respectively for 42 d. Egg production was measured daily and egg quality was measured ev...

2015
Michael S. Bono Ravi D. Garcia Dylan V. Sri-Jayantha Beth A. Ahner Brian J. Kirby

In this study, we cultured Chlorella vulgaris cells with a range of lipid contents, induced via nitrogen starvation, and characterized them via flow cytometry, with BODIPY 505/515 as a fluorescent lipid label, and liquid-state H NMR spectroscopy. In doing so, we demonstrate the utility of calibrating flow cytometric measurements of algal lipid content using triacylglyceride (TAG, also known as ...

2015
Adriano E. Marchello Ana T. Lombardi Maria José Dellamano-Oliveira Clovis W.O. de Souza

Nitrogen and phosphorus present in sewage can be used for microalgae growth, possibiliting cost reduction in the production of microalgae at the same time that it decreases the eutrophication potential of the effluent. This research aimed at monitoring the native community of microalgae and coliform bacteria in a secondary effluent from anaerobic municipal sewage treatment. Two treatments (aera...

2015
Michael S. Bono Jr. Ravi D. Garcia Dylan V. Sri-Jayantha Beth A. Ahner Brian J. Kirby Lucas J. Stal

In this study, we cultured Chlorella vulgaris cells with a range of lipid contents, induced via nitrogen starvation, and characterized them via flow cytometry, with BODIPY 505/515 as a fluorescent lipid label, and liquid-state 1H NMR spectroscopy. In doing so, we demonstrate the utility of calibrating flow cytometric measurements of algal lipid content using triacylglyceride (TAG, also known as...

2010
J. Ma

This work compared the sensitivity of three cyanobacteria (Anabaena flos-aquae, Microcystis flosaquae and Mirocystis aeruginosa) as well as five green algae (Pseudokirchneriella subcapitata, Scenedesmus quadricauda, Scenedesmus obliquus, Chlorella vulgaris and Chlorella pyrenoidosa) to four pesticides through 96h short-term chronic tests. The results showed that the toxicity of the pesticides t...

2014
Hong-Wen Sun Hong-Wei Hu Lei Wang Ying Yang Guo-Lan Huang

Nonylphenol polyethoxylates (NPnEOs), a major class of nonionic surfactants, can easily enter into aquatic environments through various pathways due to their wide applications, which leads to the extensive existence of their relative stable metabolites, namely nonylphenol (NP) and mono- to tri-ethoxylates. This study investigated the bioconcentration and degradation of NP and NPnEO oligomers (n...

2016
S. A. Awaluddin Selvakumar Thiruvenkadam Shamsul Izhar Yoshida Hiroyuki Michael K. Danquah Razif Harun

Subcritical water extraction (SWE) technology has been used for the extraction of active compounds from different biomass materials with low process cost, mild operating conditions, short process times, and environmental sustainability. With the limited application of the technology to microalgal biomass, this work investigates parametrically the potential of subcritical water for high-yield ex...

Journal: :The Journal of General Physiology 1940
Jack Myers G. O. Burr

1. The effect on oxygen evolution of Chlorella vulgaris produced by light intensities up to about 40,000 f.-c. has been studied by the use of the Warburg technique. 2. Above a certain critical intensity, which is determined by the previous history of the cells, the rate of oxygen evolution decreases from the maximum to another constant rate. This depression is at first a completely reversible e...

Journal: :Bioresource technology 2011
JinShui Yang Ehsan Rasa Prapakorn Tantayotai Kate M Scow HongLi Yuan Krassimira R Hristova

To reduce the cost of algal biomass production, mathematical model was developed for the first time to describe microalgae growth, lipid production and glycerin consumption under photoheterotrophic conditions based on logistic, Luedeking-Piret and Luedeking-Piret-like equations. All experiments were conducted in a 2 L batch reactor without considering CO(2) effect on algae's growth and lipid pr...

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