Standard Guide for Assessing the Attachment of Cells to Biomaterial Surfaces by Physical Methods

SCOPE
1.1 This guide describes protocols that can be used to measure the strength of the adhesive bond that develops between a cell and a surface as well as the force required to detach cells that have adhered to a substrate. Controlling the interactions of mammalian cells with surfaces is fundamental to the development of safe and effective medical products. This guide does not cover methods for characterizing surfaces. The information generated by these methods can be used to obtain quantitative measures of the susceptibility of surfaces to cell attachment as well as measures of the adhesion of cells to a surface. This guide also highlights the importance of cell culture history and influences of cell type.
This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Publication Date
31-May-2007
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ASTM F2664-07 - Standard Guide for Assessing the Attachment of Cells to Biomaterial Surfaces by Physical Methods
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Designation:F2664–07
Standard Guide for
Assessing the Attachment of Cells to Biomaterial Surfaces
1
by Physical Methods
This standard is issued under the fixed designation F2664; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope ISO 4287 Geometrical Product Specifications (GPS)—
Surface Texture: Profile Method—Terms, Definitions and
1.1 This guide describes protocols that can be used to
Surface Texture Parameters
measure the strength of the adhesive bond that develops
ISO 13565-1 Geometrical Product Specifications (GPS)—
between a cell and a surface as well as the force required to
Surface Texture: Profile Method; Surfaces Having Strati-
detach cells that have adhered to a substrate. Controlling the
fied Functional Properties—Part 1: Filtering and General
interactions of mammalian cells with surfaces is fundamental
Measurement Conditions
tothedevelopmentofsafeandeffectivemedicalproducts.This
guide does not cover methods for characterizing surfaces. The
3. Terminology
information generated by these methods can be used to obtain
3.1 Definitions:
quantitative measures of the susceptibility of surfaces to cell
3.1.1 adhesion, n—aphysiochemicalstatebywhichacellis
attachment as well as measures of the adhesion of cells to a
coupled to a non-cell surface by interfacial forces, which may
surface. This guide also highlights the importance of cell
consist of covalent or ionic forces.
culture history and influences of cell type.
3.1.2 biocompatibility, n—a material may be considered
1.2 This standard does not purport to address all of the
biocompatibleifthematerialsperformwithanappropriatehost
safety concerns, if any, associated with its use. It is the
response in a specific application. F2312
responsibility of the user of this standard to establish appro-
3.1.3 biomarker,n—biochemicalfeatureorfacetthatcanbe
priate safety and health practices and determine the applica-
used to measure the progress of disease or the effects of
bility of regulatory limitations prior to use.
treatment.
2. Referenced Documents 3.1.4 biomaterial, n—any substance (other than a drug),
2
synthetic or natural, that can be used as a system or part of a
2.1 ASTM Standards:
system that treats, augments, or replaces any tissue, organ, or
D4410 Terminology for Fluvial Sediment
function of the body. F2312
F22 Test Method for Hydrophobic Surface Films by the
3.1.5 detachment, n—process whereby an adhered cell or
Water-Break Test
group of cells is actively detached from a surface.
F2312 Terminology Relating to Tissue Engineered Medical
3.1.6 hydrophilic, adj—having a strong affinity for water,
Products
wettable. F22
F2603 Guide for Interpreting Images of Polymeric Tissue
3.1.7 implant, n—a substance or object that is put in the
Scaffolds
3
body as a prosthesis, or for treatment or diagnosis.
2.2 ISO Standards:
3.1.8 laminar flow, n—well-ordered, patterned flow of fluid
4
layers assumed to slide over one another. (See Ref (1).)
1
This guide is under the jurisdiction of ASTM Committee F04 on Medical and
3.1.9 lay, n—direction of the predominant surface pattern.
Surgical Materials and Devices and is the direct responsibility of Subcommittee
ISO 13565-1
F04.43 on Cells and Tissue Engineered Constructs for TEMPs.
3.1.10 passage, n—the transfer or transplantation of cells,
Current edition approved June 1, 2007. Published June 2007. DOI: 10.1520/
F2664-07.
with or without dilution, from one culture vessel to another. It
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
is understood that any time cells are transferred from one
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., The boldface numbers in parentheses refer to the list of references at the end of
4th Floor, New York, NY 10036, http://www.ansi.org. this standard.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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F2664–07
vessel to another, a certain portion of the cells may be lost and, measure the adhesive forces that develop between cells and the
therefore, dilution of cells, whether deliberate or not, may underlying surface during attachment (Lukas and Dvorak,
occur. This term is synonymous with the term subculture. (See 2004) (5). From a practical point of view, it is much easier to
Ref (2).) measure the force required to detach or de-adhere cel
...

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