1051 Résultats pour : "SIGMA ALDRICH MICROSCOPY"

Supplier: SIGMA ALDRICH MICROSCOPY

Naphthol AS-D chloroacetate can be used as laboratory chemicals, manufacture of substances.

Supplier: SIGMA ALDRICH MICROSCOPY

Oil red O is a lysochrome (fat-soluble dye) diazo dye used for staining of neutral triglycerides and lipids on frozen sections and some lipoproteins on paraffin sections. In histology, a supersaturated solution of oil red O in isopropanol may be used to stain fat in tissue.

Supplier: SIGMA ALDRICH MICROSCOPY

Tetrabromophenol Blue (TBPB) belongs to the group of sulfonephthalein acid-base indicators. It is employed in the potentiometric titration of the halogens with Hg₂(NO₃)₂. In addition, it has been used as a dye indicator in urine dipstick test to detect proteinuria. In this assay, with increasing concentration of urinary protein, TBPB sequentially changes colour from pale green to blue. Binding of TBPB to proteins is dependent on pH.

Supplier: SIGMA ALDRICH MICROSCOPY

6-Chloro-m-toluidine 99%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Brilliant Yellow has been used to determine the transfer of inoculum from male moths to females during mating.

Supplier: SIGMA ALDRICH MICROSCOPY

Designed for orientation of excised surgical specimens. This method of permanently marking the margins of tissue specimens is very beneficial to surgeon and pathologists testing for skin cancer.

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

Staining of bacterial spores according to Schaeffer and Fulton; Pappenheim stain when combined with Gram′s stain

Supplier: SIGMA ALDRICH MICROSCOPY

Cell permeable fluorescent detector of nitric oxide in living cells. 4,5-Diaminofluorescein diacetate (DAF-2 DA) has been used as a fluorescent dye for NO (nitric oxide) detection.

Supplier: SIGMA ALDRICH MICROSCOPY

Rhodamine B is a thiol-reactive and photostable fluorescent dye. Rhodamine B isothiocyanate is an aminoxanthene that possesses carboxylic acid and isothiocyanate substituents on the pendant phenyl ring.

Supplier: SIGMA ALDRICH MICROSCOPY

Reagent for the preparation of heavy liquid, for sink-float analysis.

Supplier: SIGMA ALDRICH MICROSCOPY

2-(4-Hydroxyphenyl)-5-pyrimidinol 90%, Sigma-Aldrich®

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

Prepared by alkaline hydrolysis.

Supplier: SIGMA ALDRICH MICROSCOPY

Gill formulation No. 2 may be used for cytology and/or histology as a progressive or regressive stain depending on length of staining time. 4 g/L certified hematoxylin.

Supplier: SIGMA ALDRICH MICROSCOPY

Carbol-Fuchsin solution according to Kinyoun,for microscopy (Kinyoun's carbol-Fuchsin)

Supplier: SIGMA ALDRICH MICROSCOPY

Safranin O, also known as basic red 2, is a basic, cationic, and metachromatic azine dye used as a biological stain. The characteristic azine chromophore contains the phenazine, a planar, tricyclic dibenzopyrazine, which consists of two non-planar benzene rings linked by two nitrogen atoms. A delocalised positive charge, an alternation of aromatic and quinonoid structures, and diazotisable amine groups constitute the chromophoric system. c-Methylation makes this dye of moderate overall size. The trimethyl cationic form of safranine is lipophilic, whereas the dimethyl forms are weakly hydrophilic. The dye is commercially available as a chloride.

Supplier: SIGMA ALDRICH MICROSCOPY

Carbol Fuchsin is a basic dye which forms a yellow-brown compound in presence of acid. It is mainly required for the staining of mycobacteria. The waxy walls of mycobacteria helps in retaining the dye within cells. It can also be used for the staining of bacterial spores.

Supplier: SIGMA ALDRICH MICROSCOPY

General purpose cytoplasmic counterstain. Used with hematoxylin and eosin staining.

Supplier: SIGMA ALDRICH MICROSCOPY

Alizarin Blue Black B, (Mordant Black 13)

Supplier: SIGMA ALDRICH MICROSCOPY

Specific packaging intended for use on the Hema-Tek and Hema-Tek 1000 hematology stainers.

Supplier: SIGMA ALDRICH MICROSCOPY

Rhodamine B base, Dye content 97% (Solvent Red 49).

Supplier: SIGMA ALDRICH MICROSCOPY

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

Supplier: SIGMA ALDRICH MICROSCOPY

Quinoline Yellow, Dye content 95 % (Solvent yellow 33)

Supplier: SIGMA ALDRICH MICROSCOPY

AMMC is demethylated by Human CYP2D6 to the fluorescent product 3-[2-(N,N-diethyl-N-methylammonium)ethyl]-hydroxy-4-methylcoumarin.

Supplier: SIGMA ALDRICH MICROSCOPY

Thioflavine S has been used to stain and visualize β-amyloid structures in the tissue sections.

Supplier: SIGMA ALDRICH MICROSCOPY

Intended for use as a buffer with various Romanowky type staining procedures, specifically those performed on the Hematek. RS2 is a component of Sigma products WGHT, WSHT and WSHT-S.

Supplier: SIGMA ALDRICH MICROSCOPY

Fast Red RC Salt, (2-Amino-4-chloroanisole diazotated zinc chloride complex; 5-Chloro-2-methoxybenzenediazonium chloride hemi(zinc chloride) salt; Diazo Fast Red RC)

Supplier: SIGMA ALDRICH MICROSCOPY

Leishman stain is a Romanowsky-type dye, similar to Wright stain. Leishman stain is used in hematology and tropical medicine to differentiate and identify leukocytes, malarial parasites, and trypanosomes. It is also known as eosin-polychrome methylene blue.

Supplier: SIGMA ALDRICH MICROSCOPY

ImmunoHistoMount™ is a permanent aqueous mounting medium designed for tissue sections and cell smears with peroxidase and alkaline phosphatase chromogens that cannot be dehydrated with organic solvents.