1054 Results for: "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

2,3,5-Triphenyltetrazolium chloride (TTC) ≥98% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Leucocrystal Violet has been used to identify histamine-producing lactobacilli in cheese.

Supplier: SIGMA ALDRICH MICROSCOPY

Carmine is a cochineal product usually furnished as an aluminum and calcium salt of carminic acid. Carminic acid is used for human-medical cell diagnosis and serves the purpose of the histological investigation of sample material of human origin. It is suitable for staining nuclei in histological sections. It is utilised in various staining methods including the procedure for detection of glycogen and mucous substances (Best′s carmine), for nuclear staining, or vital staining.

Supplier: SIGMA ALDRICH MICROSCOPY

(= 10% Formaline solution)

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

Thymol blue sodium salt in ACS Reagent grade water 95% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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.

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.

Supplier: SIGMA ALDRICH MICROSCOPY

Methylene Violet 3RAX has been used as a reagent in a preparation of citrate methylene violet, which is used for staining yeast cells. It is also used as an internal standard in tandem mass spectrometry (MS/MS) for the quantification of methylene blue in blood sample.

Supplier: SIGMA ALDRICH MICROSCOPY

1-(Methylamino)anthraquinone 98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

Mordant orange 1 is also known as Alizarin Yellow R, C.I. 14030. Mordant orange 1 is an azo dye. Azo dyes used as biological stains contain an azo group (−N=N−). It is used for colouring many different materials such as textile, leather, and plastics and for manufacturing paints and lacquers and for printings purposes as well.

Supplier: SIGMA ALDRICH MICROSCOPY

Alginic acid is a high molecular weight linear polymer isolated from seaweed. It is a linear β-1→4-linked polymer of n-mannuronic and L-guluronic acid. It is an acid polysaccharide present in the extracellular matrix of brown algae.

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

Fluorescein diacetate (FDA) is a non-fluorescent molecule, which is hydrolysed to fluorescent fluorescein in live cells. Dead cells cannot accumulate or hydrolyse FDA. Fluorescein diacetate has been used for the differentiation of live cells from dead cells.

Supplier: SIGMA ALDRICH MICROSCOPY

Evans blue has been used to check cell viability. It has been used to study BBB permeability.

Supplier: SIGMA ALDRICH MICROSCOPY

Dye content - ≥85%.

Supplier: SIGMA ALDRICH MICROSCOPY

Acridine Orange hydrochloride solution has been used to study autophagic cell death. It has also been used for the staining of chromosomes.

Supplier: SIGMA ALDRICH MICROSCOPY

bisBenzimide H 33258 has been used for nuclear staining in cells. bisBenzimide H 33258 is useful for staining DNA, chromosomes and nuclei. bisBenzimide H 33258 may be used for fluorescence microscopy or flow cytometry.

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

Brilliant Blue R concentrate is a methanol based stain especially designed for staining protein in polyacrylamide but will also stain agarose gels. The stain contains methanol and acetic acid so gels do not require fixing prior to staining. Brilliant Blue R Concentrate has been used for protein band detection after nondenaturing gradient gel electrophoresis, isoelectric focussing and SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis). For detection of protein bands following electrophoresis.

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

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

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

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

Reichstein's substance S ≥98%

Supplier: SIGMA ALDRICH MICROSCOPY

Acid Fuchsin calcium salt,certified by the Biological Stain Commission, Dye content ≥60 % (Acid Magenta; Acid Rubin; Fuchsin S, SS, SS, ST, or SIII; Rubin S)

Supplier: SIGMA ALDRICH MICROSCOPY

Tetrazolium blue chloride (BTC) is a colorless tetrazolium compound that upon reduction forms a colored diformazan. The reactivity has been applied to the analysis of reducing compounds including the nanomolar detection of reducing sugars and carbidopa and methyldopa. BTC has been used for histological staining of mouse coronal brain sections and rat brain sections. In combination with 4-nitrocatechol, tetrazolium blue chloride forms a ternary complex with molybdenum(VI) for extraction and spectrophotometric determination of molybdenum. It has also been used to stain Francisella tularensis cells for tularemic microagglutination test.

Supplier: SIGMA ALDRICH MICROSCOPY

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