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A hemocytometer, also known as a hemacytometer or counting chamber, is a specialized glass slide with a grid pattern that is used for counting cells, most commonly in the context of cell culture or blood analysis. It is a traditional and widely used tool in cell biology and hematology for quantifying cell concentration, determining cell…

A cell suspension refers to a liquid mixture containing dispersed individual cells that are not attached to each other or to any surface. In cell culture, a cell suspension can be created by detaching adherent cells from their growth surface, such as a culture flask or plate, and resuspending them in a suitable culture medium.…

Cryopreservation is the process of preserving cells by freezing them at ultra-low temperatures, typically -80°C or in liquid nitrogen (-196°C). This process allows researchers to store and maintain cell lines, such as HEK293, for long periods, ensuring the availability of viable cells for future experiments and reducing the need for continuous passaging. Cryopreservation is especially…