Investigation of a Filter Structure by Microbial Retention Studies: A Synthesis and Elaboration of
Prior Findings | PDA Journal of Pharmaceutical Science and Technology Skip to main content …

Current efforts at filter validation involve the need to test under “worst case conditions” the
bacterial retentive action of filters utilizing the very drug being processed. These concerns …

Compatibility relationships between solid polymerics, such as membranes, and the liquids
they encounter reflect the similarity of their chemical bondings as defined by their cohesive …

The results of scanning electron microscopic (SEM) and fatty acid methyl ester (FAME)
characterization of the bacterial species shown to penetrate conventional 0.2/0.22 μm rated …

Filtration is a useful separation technique for the removal of par-ticles from fluid
suspensions. Sterile filtration constitutes an important application whereby liquid drug …

Microbial challenge testing is a common procedure to determine the retention efficiency,
performance, and validity of a sterilizing-grade filter. The ASTM 838-05 standard describes a …

Disposable Filter Devices Page 1 Disposable Filter Devices 11.1 11.2 11.3 11.4 11.5
Introduction Filtration—Operating Principles 11.2.1 Dead-end filtration 11.2.2 CF Filtration …

In this report, we present results of a recent investigation in our laboratories demonstrated
the effect of process conditions and/or drug product composition on the ability of 0.2 μm and …

(6). Concerns about viable but nonculturable organisms are also increasing (7). In these
circumstances, some researchers argue for the use of tighter filters, namely 0.1-m rated …

Microbiological methods for quality control of membrane filters Page 1 Microbiological Methods
for Quality Control of Membrane Filters By FRANCES W. BOWMAN, MIRIAM P. CALHOUN …