PDA Technical Glossary
PDA Technical Reports are highly valued membership benefits because they offer expert guidance and opinions on important scientific and regulatory topics and are used as essential references by industry and regulatory authorities around the world. These reports include terms which explain the material and enhance the reader’s understanding.
The database presented here includes the glossary terms from all current technical reports. The database is searchable by keyword, topic, or by technical report. Each definition provided includes a link to the source technical report within the PDA Technical Report Portal.
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Feret Min and Max
Feret Min is the minimum distance between parallel tangents at opposing particle borders. Feret Max is the maximum distance between parallel tangents at opposing particle borders.
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Length
The measure of the distance along its longest axis. Light obscuration (LO). Analytical technique measuring the size and quantity of subvisible particles. (TR85)
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Ready-To-Use
A marketing term often used to describe the benefits of single-use technology or SUS. This designation has no regulatory or scientific basis supporting suitability for use and the end user is responsible to evaluate and determine if appropriate quality requirements are met for their application. (TR66)
Washed and sterilized components supplied in a package suitable for transfer into an aseptic processing area and used with sterile injectable products without further processing. (TR85)