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4-(4-Nitrophenylazo)resorcinol 90% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 4-(4-Nitrophenylazo) resorcinol, also known as azo violet or magneson I, is a red colored powder. It functions as a spot test reagent and forms blue lake on reaction with Mg(OH)₂ in alkaline solution. It is mainly used for determining the presence of magnesium in the solution. 4-(4-Nitrophenylazo)resorcinol is a pH indicator.

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Azure A 70% (dye content) certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: The combination of azure A and silver staining is used for the quantification of glycosaminoglycans in agarose gels. It is also used for the staining of chromosomes in the nucleus. Azure A is a main component of the azure B/polychromed methylene blue-eosin stains family, also referred to as the Romanowsky stain. Azure A is a basic cationic dye.

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p-Amidinophenyl p-(6-amidino-2-indolyl)phenyl ether dihydrochloride, Sigma-Aldrich®

Catalog Number: (A8675-5MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: This material has a structure similar to Granular Blue (CAS No. 71431-29-3). It has been referred to in some literature as Granular Blue, a fluorescent neuronal tracer.
UOM: 1 * 5 mg
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Quinaldine red 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Quinaldine red has been used as a fluorescent probe for α1-acid glycoprotein (AAG). It is also used a diagnostic assay manufacturing, hematology, histology.

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Chromeazurol S (Mordant blue 29), Sigma-Aldrich®

Catalog Number: (199532-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Chromeazurol S has been used to evaluate siderophore production by rhizosphere bacteria.
UOM: 1 * 25 g
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5-Aminofluorescein (isomer I), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fluoresceinamine, isomer I has been used as a probe in immobilization and is used to determine its ability to potentiate the antiviral activity of poly r (A-U).

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Methylene violet ≥65% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Certified for use as a constituent of MacNeal′s tetrachrome stain for blood.

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Direct red 80 25% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Direct Red 80 (C.I. 35780) is an extremely hydrophilic, very large tetrakisazo hexasulfonated anionic dye that has a large, planar aromatic system.It is also known as Sirius red F3B, chlorantine fast red 7BLN or 5BRL, durazol brilliant red B, pontamine fast red 7BNL, and sirius fast red.

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4,7-Dihydroxy-1,10-phenanthroline ≥30% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 4,7-Dihydroxy-1,10-phenanthroline, Dye content ≥30 % (1,10-Phenanthroline-4,7-diol)

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Nile blue A, certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Nile Blue A has been used for the staining of eggs before transferring them to the hosts. It has been used for the staining of cells.

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Haematoxylin solution (Mayer), Sigma-Aldrich®

Catalog Number: (MHS1-100ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining.
UOM: 1 * 100 mL
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Bromocresol purple sodium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bromocresol purple sodium salt, Sigma-Aldrich®

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3-Indolyl-ß-D-galactopyranoside, Sigma-Aldrich®

Catalog Number: (I7513-5MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: 3-Indolyl-ß-D-galactopyranoside, Sigma-Aldrich®
UOM: 1 * 5 mg
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Bathocuproin sulphonate disodium salt hydrate for spectrophotometric determination of Cu and Fe, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bathocuproin sulphonate disodium salt hydrate for spectrophotometric determination of Cu and Fe, Sigma-Aldrich®

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Percoll®, Siam

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Percoll® is a classic medium for density gradient centrifugation of cells, viruses, and subcellular particles. It consists of colloidal silica particles of 15 – 30 nm diameter (23% w/w in water), coated with polyvinylpyrrolidone (PVP).

Product Image-HT1003-6VL

Silver methenamine

Catalog Number: (HT1003-6VL)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Intended for use in the silver stain (modified GMS) procedure.
UOM: 1 * 6 items
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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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