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Supplier: SIGMA ALDRICH MICROSCOPY
Description: Pepsin is used for proteolytic digestion of formalin-fixed paraffin-embedded (FFPE) tissue sections prior to application of antibodies. In immunohistochemistry (IHC), most commonly used fixatives such as formalin mask tissue antigens (cellular, membrane, and nuclear) by their intrinsic crosslinking. This masking results in poor or no staining in IHC. Pepsin digestion of FFPE tissue sections improves accessibility of antibodies to tissue antigens. Ready to use pepsin reagent, antigen retriever has been used for antigen unmasking in immunohistochemistry.

Catalog Number: (HT200-1KT)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fontana-Masson staining is used for the demonstration of argentaffin substances such as melanin, argentaffin granules and some neurosecretory granules. Staining patterns may be useful in cases of carcinoid tumors and melanoma.
UOM: 1 * 1 KIT


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Catalog Number: (F6812-20ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fluoroshield™ with PPD (p-phenylenediamine; 1,4-phenylenediamine) is an aqueous mounting medium for preserving fluorescence of tissue and cell smears.
UOM: 1 * 20 mL


Catalog Number: (222461-5G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Murexide is the ammonium salt of purpuric acid that appears as a slightly reddish-purple powder and is soluble in water. It is mainly used as an indicator for complexometric titrations to measure water hardness and as a colorant/pigment in the dye industry.
UOM: 1 * 5 g

Catalog Number: (TTR011-25EA)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Spirochetes TISSUE-TROL™ Control Slides from rabbit testicle tissue containing spirochetes (Treponema pallidum), TISSUE-TROL™
UOM: 1 * 25 items


Catalog Number: (TTR014-25EA)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Histology slides with paraffin embedded section of human skin containing melanin.
UOM: 1 * 25 items


Supplier: SIGMA ALDRICH MICROSCOPY
Description: to be used with SIAL 78711 RenLam M-1 (Epoxy Embedding Medium)

Catalog Number: (380B-1KT)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Intended for the histochemical demonstration of neutrophil granules in blood or bone marrow films.
UOM: 1 * 1 KIT


Supplier: SIGMA ALDRICH MICROSCOPY
Description: o-Tolidine is a diacidic dye which is sparingly soluble in water and easily soluble in ether and alcohol. On exposure to chlorine or bromine vapors, it forms an intense blue color. This forms the basis for detection of chlorine, nitrates and hydrogen peroxide in air or water. It turns yellow on reacting with free chlorine. o-Tolidine easily forms acid salts.

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Cresyl Violet perchlorate is suitable as a laser dye.

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Nile blue chloride has been used to stain non-aqueous phase in fluorescence microscopy studies.

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Schiff base which can be converted to amino alcohols and amino esters.

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.

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.

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


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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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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