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Description of ASTM-E2525 2022ASTM E2525-22Active Standard: Standard Test Method for Evaluation of the Effect of Nanoparticulate Materials on the Formation of Mouse Granulocyte-Macrophage ColoniesASTM E2525Scope 1.1 This test method provides a protocol for quantitative analysis of the effect of nanoparticulate materials in physiologic solution (isotonic, pH 7.2 ± 0.2) on granulocyte-macrophage colony-forming units (CFU-GM). 1.2 CFU-GM reflects the number of viable bone marrow cells which differentiate into granulocytes and macrophages. A decrease in CFU-GM count is indicative of a test substance’s toxicity to bone marrow and is commonly used for the identification of drug products with myelosuppressive properties, a form of immunosuppression. 1.3 This test method employs murine bone marrow hematopoietic stem cells which proliferate and differentiate to form discrete cell clusters or colonies which are counted. 1.4 This test method is part of the in vitro preclinical characterization cascade for nanoparticulate materials for systemic administration in medical applications. 1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard. 1.6 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. Keywords bone marrow; CFU-GM; clonogenic assay; granulocyte; macrophage; myelosuppression; nanoparticles; preclinical development; stem cells; ICS Code ICS Number Code 07.100.10 (Medical microbiology) DOI: 10.1520/E2525-22 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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