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CHO cells in suspension. A cell suspension or suspension culture is a type of cell culture in which single cells or small aggregates of cells are allowed to function and multiply in an agitated growth medium, thus forming a suspension. Suspension culture is one of the two classical types of cell culture, the other being adherent culture. The ...
Trypsinization is the process of cell dissociation using trypsin, a proteolytic enzyme which breaks down proteins, to dissociate adherent cells from the vessel in which they are being cultured. When added to cell culture, trypsin breaks down the proteins that enable the cells to adhere to the vessel.
Schematic of cell adhesion. Cell adhesion is the process by which cells interact and attach to neighbouring cells through specialised molecules of the cell surface. This process can occur either through direct contact between cell surfaces such as cell junctions or indirect interaction, where cells attach to surrounding extracellular matrix, a gel-like structure containing molecules released ...
For adherent cells, cell density is normally measured in terms of confluency, the percentage of the growth surface covered by cells. The cells will often have a known range of confluencies for optimal growth, for example a mammalian cell line like HeLa generally prefers confluencies between 10% and 100%, and subculture will normally try to keep ...
Cells can be grown either in suspension or adherent cultures. [25] ... culture-adapted cells with decreased differentiation and increased proliferative capacity. ...
Cell samples can be taken from tissue explants or cell suspension cultures. Adherent cell cultures with an excess of nutrient-containing growth medium will continue to grow until they cover the available surface area. [3] Proteases like trypsin are most commonly used to break the adhesion from the cells to the flask. Alternatively, cell ...
Early examples of using fluid shear forces to controllably disrupt the cell membrane include conventional ultrasound [92], syringe loading for cells in suspension [93] and the use of cone-plate viscometers on adherent cells . [94] In syringe loading, suspensions of cells are sucked and expelled from a syringe through a fine needle tip. The ...
Microcarrier cell culture, however, was the breakthrough required for cell culture to reach industrial and clinical significance. [2] Studies have shown that microcarrier suspensions, compared to multi-layer vessel culture, improve cell yield by 80-fold at only ten percent of Good Manufacturing Practice space, and only sixty percent of the ...