A Proposed 1

The candidate material was included in the study coded as Sample A and potency estimates were obtained using clotting assays against human plasma and purified fibrinogen.. A

To assess the value of expressing results relative to a standard serum, the titres for samples A, B, C, E and F were expressed relative to candidate standard 09/194, using

An International Standard (IS 09/194) for H1N1pdm antibody was established in 2010 and a recent study in which panels of sera from several clinical trials were retested in a

Nineteen laboratories participated in an international collaborative study to assess the suitability of a freeze-dried plasma preparation (code number 07/222) as a WHO

In the absence of an international reference standard for FXa, direct measurements of FXa activity in FEIBA have been made relative to working standards originally calibrated

Four lyophilised genomic DNA preparations from genotyped and phenotyped donors were evaluated for their suitability to serve as WHO Reference Reagents to standardise blood group

Using the assigned value of 209 µg per ampoule for the primary calibrant, PC01, derived from the data provided in Phase I, participants in Phase II were requested to provide,

biological activity of TNF- α. To achieve the aims of the study participants are requested to use a fixed dose of the TNF- α IS. The concentration used should provide a biological