- cell-free system
- a subcellular fraction that retains biologic function, created in vitro in order to study cellular processes in isolation. Called also cell-free extract.
Medical dictionary. 2011.
cell-free system
Look at other dictionaries:
Cell-free system — A cell free system is a widely used in vitro tool used to study biological reactions that happen within a cell with less of the complex interactions found in a whole cell.Subcellular fractions can be isolated by ultracentrifugation, providing… … Wikipedia
cell free system — Any system in which a normal cellular reaction is reconstituted in the absence of cells for example, in vitro translation systems that will synthesize protein from mRNA using a lysate of rabbit reticulocytes or wheat germ … Dictionary of molecular biology
Cell-free protein synthesis — (also called in vitro protein synthesis), is the production of protein without the use of living cells. HistoryThe first elucidation of a codon was done by Marshall Nirenberg and Heinrich J. Matthaei in 1961 at the National Institutes of Health.… … Wikipedia
Cell-free protein array — technology produces protein microarrays by performing in vitro synthesis of the target proteins from their DNA templates. This method of synthesizing protein microarrays overcomes the many obstacles and challenges faced by traditional methods of… … Wikipedia
cell-free extract — see under system … Medical dictionary
Cell disruption — is a method or process for releasing biological molecules from inside a cell. Choice of disruption method The production of biologically interesting molecules using cloning and culturing methods allows the study and manufacture of relevant… … Wikipedia
Cell-mediated immunity — is an immune response that does not involve antibodies or complement but rather involves the activation of macrophages, natural killer cells (NK), antigen specific cytotoxic T lymphocytes, and the release of various cytokines in response to an… … Wikipedia
Cell (microprocessor) — Cell is a microprocessor architecture jointly developed by Sony Computer Entertainment, Toshiba, and IBM, an alliance known as STI . The architectural design and first implementation were carried out at the STI Design Center in Austin, Texas over … Wikipedia
Cell signaling — is part of a complex system of communication that governs basic cellular activities and coordinates cell actions. [Witzany, G. (2000). Life: The Communicative Structure. Norderstedt, Libri BoD.] The ability of cells to perceive and correctly… … Wikipedia
Cell culture — in a Petri dish Epithelial cells in culture, stained for keratin (red) an … Wikipedia
