Microscopy and staining reagents

Avantor offers a broad line of reagent droppers, diagnostic kits, and antigens and antisera, for aid in identifying a variety of microscopic organisms. The visualization of bacteria by means of staining procedures is an important tool for any microbiologist to have at their disposal, and these carefully standardized and reproducible stain reagents help to ensure accurate and easily interpretable results. Stains are also available to provide early detection of positive blood cultures by fluorescence procedures.

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VWR®, OCT Embedding matrix for frozen sections

Supplier: VWR Chemicals

When sectioning frozen tissue for rapid surgical biopsy diagnosis or for research (typically in Histochemistry), the tissue sample must be firmly attached to the microtome stage or chuck. Embedding material such as OCT are preferred as these also provide a supportive and protective aid to sectioning.

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VWR® Bouin's solution

Supplier: VWR Chemicals

VWR® Bouin tissue fixative solution.

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VWR® HistoChoice®, Clearing agent

Supplier: VWR Chemicals

HistoChoice® clearing agent is a much less hazardous replacement for xylene/toluene.

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VWR®, D.F.B (Decalcifying solution - H.K. Kristenson) Histological grade

Supplier: VWR Chemicals

Decalcifier according to Kristenson.

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VWR® Fixing Solution

Supplier: VWR Chemicals

Fixing solution with 0,02% formaldehyde and 0,01% citric acid in aqueous solution.

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VWR® Fixing Solution

Supplier: VWR Chemicals

Fixing solution with 0,02% formaldehyde in methanol 50% (v/v)).

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Immersion oil, BioChemica

Supplier: PanReac AppliChem

Biochemical grade immersion oil for microscopy.

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VWR®, Embedding compound, water- soluble

Supplier: VWR Collection

Frozen section compound is a fast-acting, water-soluble embedding compound designed for use in frozen sectioning. The compound bonds and encapsulates tissue specimens to the object holder for cryosectioning. At a working temperature of –20 °C, it provides optimal sectioning consistency with minimal section curling.