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Descriptor English: Cell-Free System
Descriptor Spanish: Sistema Libre de Células
Descriptor sistema libre de células
Scope note: Extracto celular fraccionado que mantiene una función biológica. Fracción subcelular aislada por ultracentrifugación u otra técnica de separación. Debe primero estar aislado para que el proceso pueda estudiarse libre de todas las reacciones complejas que ocurren en una célula. El sistema de células libres, por tanto, se utiliza mucho en la biología celular. (Alberts et al., Molecular Biology of the Cell, 2d ed, p166)
Descriptor Portuguese: Sistema Livre de Células
Descriptor French: Système acellulaire
Entry term(s): Cell Free System
Cell-Free Systems
Cellfree System
Cellfree Systems
System, Cell-Free
System, Cellfree
Systems, Cell-Free
Systems, Cellfree
Tree number(s): A11.284.835.168
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D002474
Scope note: A fractionated cell extract that maintains a biological function. A subcellular fraction isolated by ultracentrifugation or other separation techniques must first be isolated so that a process can be studied free from all of the complex side reactions that occur in a cell. The cell-free system is therefore widely used in cell biology. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p166)
Annotation: for study of subcellular fractions; not for micro-organisms; NIM; use A 11 qualif discreetly
Allowable Qualifiers: CH chemistry
CL classification
DE drug effects
EN enzymology
IM immunology
ME metabolism
MI microbiology
PA pathology
PH physiology
PS parasitology
RE radiation effects
TR transplantation
UL ultrastructure
VI virology
Public MeSH Note: 91; was see under SUBCELLULAR FRACTIONS 1967-90
History Note: 91(67); was see under SUBCELLULAR FRACTIONS 1967-90
DeCS ID: 2494
Unique ID: D002474
NLM Classification: QU 350
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1991/01/01
Date of Entry: 1999/01/01
Revision Date: 2000/06/22
Cell-Free System - Preferred
Concept UI M0003774
Scope note A fractionated cell extract that maintains a biological function. A subcellular fraction isolated by ultracentrifugation or other separation techniques must first be isolated so that a process can be studied free from all of the complex side reactions that occur in a cell. The cell-free system is therefore widely used in cell biology. (From Alberts et al., Molecular Biology of the Cell, 2d ed, p166)
Preferred term Cell-Free System
Entry term(s) Cell Free System
Cell-Free Systems
Cellfree System
Cellfree Systems
System, Cell-Free
System, Cellfree
Systems, Cell-Free
Systems, Cellfree



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