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Considerations on Re-Use of Sterilizing-Grade Filters
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| By
Jerold M. Martin
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The author examines re-use of hydrophilic- or hydrophobic-membrane sterilizing-grade filters in liquid sterilizing applications.
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Improving the Integrity Test Assurance of Multiround Housings Assessments
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| By
Pascal Martin
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Magnus Stering
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Maik W. Jornitz
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Jens Meyer
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The authors describe a novel approach for the integrity testing of large sterile filter systems such as multiround housings and describe a multipoint diffusion test capable of detecting minor failures.
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Establishing Material Compatibility, Process Conditions, and Bubble Points of Filters
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| By
Brian K. Meyer
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Diego Vargas
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The authors explain the factors that can cause a failure in a bubble-point integrity test and what to consider when a product-specific bubble point must be defined.
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Manufacturing High-Potency Drugs Using Isolators
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| By
Maurizio Battistini
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The author discusses the key issues to consider when using isolators such as containment, protection of personnel, the efficiency of biodecontamination cycles, sterility assurance levels, barriers and their integrity, and environmental impact.
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Freeze-Drying with Closed Vials
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Jacques Thilly
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Yves Mayeresse
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The authors present an aseptic-filling process for freeze-dried liquids using the closed-vial technology.
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