EM Fixatives
A collection page of Polysciences
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2025/09/16
About
Polysciences’ EM Fixatives collection includes a variety of solutions such as methanol-free formaldehyde-based fixatives (e.g. Poly/LEM ), neutral buffered 2% paraformaldehyde ( Flow Fix ), modified Davidson’s fixative (Hartmann’s), Hollande’s, and fixatives that decalcify while fixing (e.g. Poly-NoCal & Fixative ). These reagents are formulated to preserve ultrastructure and tissue morphology for both light and electron microscopy.