A simple filtration device for separating nonadherent microorganisms from mammalian cells in in vitro studies on microbial adherence
2008
Arseculeratne, Sarath N. | Sumathipala, Saranga | Eriyagama, Navaratne B.
In adherence studies, the removal of nonadherent microorganisms is essential for the valid enumeration of microorganisms that adhere to host cells. Although filtration devices are available commercially for the removal of nonadherent microorganisms, these are expensive and not reusable. In this article, we describe a simple, inexpensive, and reusable filtration device composed of two chambers of nylon, a nylon membrane of desired pore size, a rubber washer, and supporting stainless steel mesh. The device was effective in in vitro adherence assays for removing nonadherent endospores of Rhinosporidium seeberi from human buccal epithelial cells, providing valid counts of adherent microorganisms.
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