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o-Tolidine ≥95%

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.

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Naphthol AS-GR phosphate disodium salt

Catalog Number: (N3625-1G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Produces highly insoluble dark green stain in histochemical studies.
UOM: 1 * 1 g
Image Unavailable-HT3024-120ML

Tartrazine, Sigma-Aldrich®

Catalog Number: (HT3024-120ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Yellow counterstain suitable for a wide range of histological staining procedures.
UOM: 1 * 120 mL
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Papanicolaou's solution EA 65, Sigma-Aldrich®

Catalog Number: (HT40432-1L)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Papanicolaou stain imparts a characteristic range of coloration to exfoliative cells of vaginal, cervical, prostatic and other body secretions, allowing critical examination of nuclei and cytoplasmic components.
UOM: 1 * 1 L
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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Carmine, powder, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Carmine is a red compound and is generally used with aluminum, iron and other metal salts to enhance its activity. During smear preparation, it is required for chromatin staining in fresh material. In presence of aluminum chloride, it is used for the staining of glycogen.

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Neutral red solution, Sigma-Aldrich®

Catalog Number: (N6264-50ML)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Used as a red nuclear counterstain in various cytochemical procedures.
UOM: 1 * 50 mL
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FURA-2 pentapotassium salt, Sigma-Aldrich®

Catalog Number: (F0763-1MG)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Cell impermeable fluorescent probe for Ca2+.
UOM: 1 * 1 mg
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Solvent Blue 38, Practical grade, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Solvent Blue 38 is a phthalocyanine stain, used for staining myelin, neurons and glial fibres.

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1-Methoxy-5-methylphenazinium methyl sulphate ≥95%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 1-Methoxy-5-methylphenazinium methyl sulfate (MPMS) is a photochemically stable electron-transport mediator between NAD(P)H and tetrazolium dyes. The reduced form of MPMS converts tetrazolium salt to purple precipitate formazan. It is a very stable and non-enzymic electron carrier that mediates electron transfer by dehydrogenases in vitro to various electron acceptors such as tetrazolium dyes or the electrode of an enzymic electric cell.

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Rhodamine 123 fluorescent dye, mitochondria dye

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Rhodamine 123 is useful as a laser dye and to have selective cell growth effects. It has also been used to measure mitochondrial membrane potential.

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Fast Red Violet LB Salt ≥90% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Fast Red Violet LB Salt has been used for the detection of tartrate-resistant acid phosphatase (TRAP) in tissue sections.

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bisbenzimide H-33342 trihydrochloride (Hoechst 33342) ≥98% (by HPLC, TLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Useful for staining DNA, chromosomes and nuclei. May be used for fluorescence microscopy or flow cytometry.
Excitation max. = 346 nm
Emission max. = 460 nm
bisBenzimide H 33342 trihydrochloride has been used for the staining of viable and apoptotic.

Certificates

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Chlorazol black E, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Chlorazol Black has been used to monitor the infection of mycorrhizal Allium porrum in plant roots. It has also been used for the staining of copepods.

Certificates

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Arsenazo III for calcium determination, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Arsenazo III has been used as a color forming reagent to determine uranium concentration.

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Giemsa's stain, certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Certified for Giemsa stain for blood films and for the Wolbach′s Giemsa method for paraffin sections. Giemsa is a versatile polychromatic stain, which is suitable for staining a diverse range of specimens. It is a buffered thiazine-eosinate solution designed to provide coloration of blood cells. Giemsa’s stain is frequently used for diagnostic purposes in hematology to differentiate the nuclear and cytoplasmic morphology of platelets, RBCs, WBCs, and parasites. It is frequently used in combination with other dye solutions as May-Grunwald’s solution for Pappenheim (MGG) and Wright-Giemsa. The Giemsa stain was adapted to histology due to its unique staining of chromatin, nuclear membranes, and cytoplasmic elements. Giemsa′s staining solution is composed of methylene blue, azure, and eosin.

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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 0800 22 33 44.
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 0800 22 33 44
Additional Documentation may be needed to purchase this item. A VWR representative will contact you if needed.
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 Catalogue Number listed above. If you need further assistance, please call VWR Customer Service on 0800 22 33 44.
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