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ASTM International, 10/01/2012
Publisher: ASTM
File Format: PDF
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Published:01/10/2012
Pages:5
File Size:1 file , 70 KB
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1.1 This practice covers a reference method of direct contact cell culture testing which may be used in evaluating the cytotoxic potential of materials for use in the construction of medical materials and devices.
1.2 This practice may be used either directly to evaluate materials or as a reference against which other cytotoxicity test methods may be compared.
1.3 This is one of a series of reference test methods for the assessment of cytotoxic potential, employing different techniques.
1.4 Assessment of cytotoxicity is one of several tests employed in determining the biological response to a material, as recommended in Practice F748.
1.5 The L-929 cell line was chosen because it has a significant history of use in assays of this type. This is not intended to imply that its use is preferred; only that the L-929 is a well-characterized, readily available, established cell line that has demonstrated reproducible results in several laboratories.
1.6 Since the test sample is not removed at the time of microscopic evaluation and underlying cells may be affected by the specific gravity of the test sample, this practice is limited to evaluation of cells outside the perimeter of the overlying test sample.
1.7 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.8 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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