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4,4'-Bis(dimethylamino)diphenylmethane 98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 4,4′-Methylenebis(N,N-dimethylaniline) is an intermediate in dye manufacture and works as a reagent for the determination of lead. It is suitable for the qualitative assay of cyanogens.

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Oil red O 0,5% in isopropanol (IPA), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Oil Red O stains lipid materials and imparts red-orange color to the lipids. It also marks vacuoles, particularly observed in ALL-L3 (acute lymphoblastic leukemia) or Burkitt′s lymphoma/leukemia. Oil Red O staining is done on fresh samples, as alcohol fixation removes lipids.

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Ponceau S, Bioreagent for electrophoresis, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Ponceau S is the sodium salt of a diazo dye. It is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The stain is reversed with water washes and aids in subsequent immunological detection. The following are two common stain formulations: 0.1% Ponceau S (w/v) in 5% acetic acid 2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid.

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Calcofluor white stain fluorescent dye, for microbiology, Sigma-Aldrich®

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

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TISSUE-TROL™ Control Slides Argentaffin

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
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5-CFDA (5-Carboxyfluorescein diacetate), Sigma-Aldrich®

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
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Ferrozine mono-sodium salt hydrate, BioXtra, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: 3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine-4',4"-disulfonic acid sodium salt is also known as ferrozine.

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Naphthol yellow S hydrate for microscopy, for the precipitation of amino acids and peptides, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Naphthol yellow S has been used as a staining agent in fixed human embryonic stem cell-derived cardiomyocytes.

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Azure II, powder, Sigma-Aldrich®

Catalog Number: (861065-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Azure II has been used in the Richardson′s stock solution for the staining of lysosomal glycogen. It has also been used in the periodic acid schiff staining procedure for the staining of glycogen, nuclei and cytoplasm.
UOM: 1 * 25 g
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Alcian blue 8GX 1% in 3% acetic acid for microscopy, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Alcianblue 8GX solution has been used as a staining dye for chondrocytic, osteoblastic and adipocytic differentiation. It has also been used for the staining of sections in immunohistochemistry.

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Rhodamine B ≥95% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Rhodamine B is a xanthene dye, which functions as a water tracer fluorescent. It is used as a colorant in textiles and food stuffs. Rhodamine B is associated with eye, skin and respiratory tract irritation. It is used as a biomarker in oral rabies vaccine.

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Aniline blue solution 2,5% in 2% acetic acid for dye, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Aniline blue is used to stain collagen fibers in tissue sections using the Masson′s trichrome protocol for staining multiple components. Collagen is stained blue by this method. It has also been used to stain and visualize glycosylated proteins.

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Mordant Blue 9 50% (dye content), Sigma-Aldrich®

Catalog Number: (195219-25G)
Supplier: SIGMA ALDRICH MICROSCOPY
Description: Mordant Blue 9, Dye content 50 % (6-(5-Chloro-2-hydroxy-3-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt; 6-(5-Chloro-2-hydroxy-4-sulfonphenylazo)-5-hydroxy-1-naphthalene-sulfonic acid sodium salt)
UOM: 1 * 25 g
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Bromothymol blue sodium salt, powder, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Bromothymol Blue sodium salt has been used as a pH indicator in the yeast growth media (YPD, yeast extract peptone dextrose).

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Orange II ≥85 % (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY
Description: Orange II sodium salt,(Certified by the Biological Stain Commission), Dye content ≥85 % (4-(2-Hydroxy-1-naphthylazo)benzenesulfonic acid sodium salt; Acid Orange 7; Acid Orange A; Orange II; Tropaeolin 000 No. 2).

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Oil red O, Sigma-Aldrich®

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

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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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