1063 Results for: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

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)

Supplier: SIGMA ALDRICH MICROSCOPY

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).

Supplier: SIGMA ALDRICH MICROSCOPY

Reichstein's substance S ≥98%

Supplier: SIGMA ALDRICH MICROSCOPY

Nigrosin, alcohol soluble. Nigrosin is a black colored powder. It is widely used to manufacture ink and shoe polish. It is also employed for dyeing leather, wood and textiles. In addition, alcohol soluble nigrosin dye is used in carbon papers, typewriter and ribbons. It is used as an ingredient in rubber repairing lacquer.

Supplier: SIGMA ALDRICH MICROSCOPY

For use in Sigma Procedure 91C for the demonstration of specific esterase in blood, bone marrow films, tissue touch preparations, cytocentrifuge preparations and paraffin tissue sections.

Supplier: SIGMA ALDRICH MICROSCOPY

2-Sulphobenzoic cyclic anhydride ≥90%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Alcian Blue, pyridine variant, Dye content ≥85 % (Alcian Blue-tetrakis(methylpyridinium) chloride)

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Coproporphyrin I tetramethyl ester. ≥90% (HPLC) (Tetramethyl 3,8,13,18-tetramethyl-21H,23H-porphine-2,7,12,17-tetrapropionate)

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Fluorescent probe for hydrophobic (non-polar) regions in proteins and nucleoproteins.

Supplier: SIGMA ALDRICH MICROSCOPY

Metachromatic dye useful as a mitochondrial probe in living cells. This dye has been used to analyse mitochondria by flow cytometry, characterise multidrug resistance, and measure changes in mitochondrial mass during apoptosis in rat thymocytes.

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Used in procedure HT100 for the toning of sections stained with the silver methanamine procedure.

Supplier: SIGMA ALDRICH MICROSCOPY

Leukocyte Alkaline Phosphatase (LAP) kits are intended for the semi-quantitative demonstration of alkaline phosphatase activity in white blood cells.

Supplier: SIGMA ALDRICH MICROSCOPY

Orange G (certified), 0.3% and phosphotungstic acid, 0.015%, in denatured alcohol

Supplier: SIGMA ALDRICH MICROSCOPY

4-Amino-1,1′-azobenzene-3,4′-disulfonic acid monosodium salt, also called as acid yellow 9, belongs to the class of azo dyes.

Supplier: SIGMA ALDRICH MICROSCOPY

Cibacron Brilliant Yellow 3G-P, (Reactive yellow 2)

Supplier: SIGMA ALDRICH MICROSCOPY

Acid Green 25, Dye content ≥60 %

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

JB-4 is a water-soluble, GMA based, plastic resin kit intended for use in the preparation of embedded samples for high resolution light microscopy. It is a technique now widely used for research and clinical diagnosis. JB-4 yields semi-thin sections (0.5μ-2μ) with excellent morphological preservation.

Supplier: SIGMA ALDRICH MICROSCOPY

Jenner's stain, suitable for blood stain (Eosin-Methylene Blue)

Supplier: SIGMA ALDRICH MICROSCOPY

Reagent used in the 91A procedure for the demonstration of non-specific esterase activity in leukocytes.

Supplier: SIGMA ALDRICH MICROSCOPY

Gill formulation No. 3 can be used for cytology and/or histology as a progressive or regressive stain depending on length of staining time.

Supplier: SIGMA ALDRICH MICROSCOPY

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.

Supplier: SIGMA ALDRICH MICROSCOPY

For use in procedure no. 395 for Periodic Acid-Schiff (PAS) and Silver Stain Procedure No. HT100.

Supplier: SIGMA ALDRICH MICROSCOPY

N-Carboxymethyl-6-(2,2-dicyanovinyl)-1,2,3,4-tetrahydroquinoline. ≥98% (HPLC) (CDCQ)

Supplier: SIGMA ALDRICH MICROSCOPY

Amyloid protein is detected in tissue with Congo red, a metachromatic stain. Staining is intensified by pretreatment of tissue with alkaline sodium chloride.