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Catalog Number: (C4916-100MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: 5-Carboxyfluorescein diacetate has been used for the staining of bacteria to study bacterial adhesion to mucin.
UOM: 1 * 100 mg


Catalog Number: (275980-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: 3-Methoxydiphenylamine can be used in the preparation of 3- methoxydiphenylamine-4-diazonium salts (MDP-4-DS) and the corresponding diazoresins.[1] Diazonium salts and diazoresins find applications in dyes, stains, indicators, general laboratory use, and industrial applications.
UOM: 1 * 25 g


Catalog Number: (285C-1KT)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Amyloid protein is detected in tissue with Congo red, a metachromatic stain. Staining is intensified by pretreatment of tissue with alkaline sodium chloride.
UOM: 1 * 1 KIT


Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bathophenanthrolinedisulfonic acid disodium salt hydrate has been used to measure iron to determine the solubility of iron in the biological sample. It has been used as an iron chelator to grow plants without Fe-EDTA (ethylenediaminetetraacetic acid).

Catalog Number: (C6331-1MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fluorescent label for amino acids allows for detection of alanine, arginine, glycine, glutamic and aspartic acid in the 0.8-4.5 × 10-18 M range.
UOM: 1 * 1 mg


Supplier: SIGMA ALDRICH MICROSCOPY
Description: N,N-Dimethyl-1-naphthylamine is an aromatic amine and a dye.

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Spin trap used in conjunction with Fe²⁺ to detect NO in brain, kidney, liver, and other tissues. Simultaneous direct measurement of NO* and pO₂ has been reported. A copper chelator, it has been used to quantitate copper in biological materials by ESR and is an inhibitor of superoxide dismutase, ascorbate oxidase, and other enzymes. Also used for colorimetric determination of small quantities of arsenic. Silver diethyldithiocarbamate has been used in cell culture. Also used for colorimetric determination of small quantities of arsenic. Spin trap used in conjunction with Fe²⁺ to detect NO in brain, kidney, liver, and other tissues. Simultaneous direct measurement of NO* and pO₂ has been reported. A copper chelator, it has been used to quantitate copper in biological materials by ESR and is an inhibitor of superoxide dismutase, ascorbate oxidase, and other enzymes.
Catalog Number: (18909-100ML-F)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fluorescent stain for rapid detection of yeasts, fungi and parasitic organisms. Calcofluor white is a non-specific fluorochrom that binds to cellucose and chitin in cell walls.
UOM: 1 * 100 mL

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Oil red O, Sigma-Aldrich®

Catalog Number: (HT1004-100ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Used in procedure HT100 for the toning of sections stained with the silver methanamine procedure.
UOM: 1 * 100 mL


Supplier: SIGMA ALDRICH MICROSCOPY
Description: Araldite® is an epoxy resin commonly used for embedding. It is basically free from polymerization damage and the plastic does not sublime in the microscope, hence providing continual support and preservation of fine detail.[1] It is composed of araldite M or CY 212, dodecenyl succinic anhydride, dibutyl phthalate and 2,4,6-tridimethylamine methyl phenol.

Catalog Number: (192457-1G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Useful standard for elemental analysis.
UOM: 1 * 1 g


Catalog Number: (TTR013-25EA)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Histology slides with paraffin embedded section of human intestine containing argentaffin granules. Suitable for use with Fontana-Masson stain kit (Procedure No. HT200).
UOM: 1 * 25 items


Catalog Number: (45347-1L-F)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Epoxy embedding medium is generally used for biological tissues during study by electron microscopy. Usually, it consists of three components; Epon 812 resin, an anhydride hardener and an accelerator
UOM: 1 * 1 L


Supplier: SIGMA ALDRICH MICROSCOPY
Description: Xylenol orange tetrasodium salt is a fluorochrome acid dye with complexing and chelating properties that make it useful as an indicator in the spectrophotometric detection and assay of metal ions such as calcium, cadmium, bismuth, zinc, lead, and mercury. Its tetrasodium salt especially is used as an indicator in metal titrations. It changes color from yellow to red between pH 6.4 to 10.4. It has six potentially anionic substituents, one being sulfonate, and is anionic under staining conditions and during most laboratory applications.
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Reagent used for the generation of chemiluminescence in the presence of a reductant and oxygen; it is employed in numerous chemiluminescent assays. Lucigenin is specific for superoxide anion radical.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us on +353 1 88 22222.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at eurega_services@eu.vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organisation. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
Product(s) marked with this symbol are discontinued - sold till end of stock. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service on +353 1 8822222.
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