نتایج جستجو برای: maximum cell density

تعداد نتایج: 2294680  

The microalgae, Dunaliella salina was isolated from Maharlu Salt Lake, south east of Shiraz, Iran. The isolated strain was identified by both morphological and physiological markers. The complete ITS region (ITS1 + ITS2) including the 5.8S rDNA gene used as molecular marker confirmed our identification. Growth and cell proliferation, total chlorophyll and carotenoid contents were determined in ...

Amir Mohammad Farnoud Seyed Abbas Shojaosadati, Seyedeh Marjan Varedi Kolaei Valiollah Babaeipour

This paper reviews recent strategies used for increasing specific yield and productivity in high cell density cultures. High cell density cultures offer an efficient means for the economical production of recombinant proteins. However, there are still some challenges associated with high cell density cultivation (HCDC) techniques. A variety of strategies in several aspects including host design...

2005
Sander van Smaalen

The Maximum Entropy Method (MEM) can be used for the reconstruction of the electron density in the unit cell from phased structure factors [1]. The maximum entropy density map ( ) may provide information about disorder and anharmonic temperature movements. If an informative prior density is employed, MEM may be used to derive the electron density in the chemical bond. The MEM can also be applie...

Journal: :iranian journal of science and technology transactions of mechanical engineering 2015
n. ahmadi h. taraghi m. sadeghiazad

modeling the heat and mass transport in micro channel is being used extensively in researches and industrial applications. the aim is optimizing fuel cell designs before building a prototype for engineering application. in this study, numerical, three-dimensional, single phase computational fluid dynamics model of a proton exchange membrane fuel cell with both the gas distribution flow channels...

One of the promising sources for biodiesel production and lowering energy crisis is microalgae lipid and attracted much attention in recent years. The aim of this study was to investigate the Effect of temperature on the Lipid productivity as factors affecting biodiesel economic performance. Microalgae Nannochloropsis Oculata in Walne medium and seven different temperatures were cultured. Cell ...

Journal: :Journal of bacteriology 1970
L H Hartwell

Yeast cells undergo periodic fluctuations in density during the cell division cycle such that a minimum in density occurs at the time of cell separation whereas a maximum occurs between the time of deoxyribonucleic acid replication and nuclear division. Synchronous cultures can be selected from asynchronously growing cell cultures by withdrawing the cells of least or greatest density after band...

Tuning recombinant protein expression is an approach which can be successfully employed for increasing the yield of recombinant protein production in high cell density cultures. On the other hand, most of the previous results reported the optimization induction conditions during batch and continuous culture of recombinant E. coli, and consequently fed-batch culture have received less attention....

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