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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Acholeplasma laidlawii
A. laidlawii is a mycoplasma in class Mollicutes and order Acholeplasmatales. (TR75)
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Challenge Concentration
The concentration in Colony Forming Units/mL of the test microorganism in the challenge fluid. (TR75)
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Challenge Level
The concentration of the test microorganism applied to the test filter (per centimeter squared) or the total number of cells applied to the test filter at the completion of the challenge. (TR75)
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Challenge Volume
The volume of challenge fluid applied to the test filter. (TR75)
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Mycoplasma Reduction Filter
A sterilizing grade filter that also provides a log reduction value (or a titer reduction value) for a specified test mycoplasma according to the PDA Mycoplasma Consensus Method. (TR75)