378 Results for: "VARLP080520VARI00001"
Brilliant green ≥90% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Brilliant green ≥90% (dye content), certified by the Biological Stain Commission, Sigma-Aldrich®
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Wright's stain solution
Supplier: Merck
Used to stain blood, bone marrow smears, and clinical cytological specimens
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Quinizarin green 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Solvent Green 3, also known as Quinizarine Green SS (CI 61565) is an anthraquinone derivative. It is a green dye that imparts its colour to materials. Solvent Green 3 is made by condensing either leucoquinizarin or a mixture of leucoquinizarin and quinizarin with two moles of p-toluidine in the presence of boric acid.
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3,3'-Diaminobenzidine tetrahydrochloride hydrate ≥96%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
3,3'-Diaminobenzidine tetrahydrochloride hydrate is a chromogen commonly used in immunohistochemistry and other staining techniques to visualise the presence of antigens or antibodies in biological samples. DAB HCl is designed as an immunohistology stain to visualise peroxidase activity in cells. DAB oxidation can be measured using a spectrophotometer.
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Carbol fuchsin, Sigma-Aldrich®
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.
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Methyl blue, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Methyl blue, Sigma-Aldrich®
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Basic fuchsin, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Basic fuchsin, Sigma-Aldrich®
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Eosin Y (yellowish), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Eosin Y (yellowish), Sigma-Aldrich®
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Basic fuchsin, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Basic fuchsin, Sigma-Aldrich®
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Bathophenanthrolinedisulphonic acid disodium salt hydrate ≥95%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Bathophenanthrolinedisulfonic acid disodium salt hydrate has been used to measure iron to determine the solubility of iron in the biological sample. It has been used as an iron chelator to grow plants without Fe-EDTA (ethylenediaminetetraacetic acid).
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Thymol blue sodium salt in ACS Reagent grade water 95% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Thymol blue sodium salt in ACS Reagent grade water 95% (dye content), Sigma-Aldrich®
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Direct red 80 25% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Direct Red 80 (C.I. 35780) is an extremely hydrophilic, very large tetrakisazo hexasulfonated anionic dye that has a large, planar aromatic system.It is also known as Sirius red F3B, chlorantine fast red 7BLN or 5BRL, durazol brilliant red B, pontamine fast red 7BNL, and sirius fast red.
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1-Methoxy-5-methylphenazinium methyl sulphate ≥95%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
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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Phloroglucinol, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Phloroglucinol (phlo) is a phenol derivative that shows a cytoprotective effect from oxidative damage by enhancing the activity of cellular catalase. It can also be used to prepare synthetic analogs of A-type proanthocyanidins (PACs) such as 2,8-dioxabicyclo nonane derivatives by reacting with the corresponding flavylium salts. Phlo can react with benzaldehyde derivatives to form phloroglucinol-based microporous polymeric organic frameworks (phlo-POF) with potential applications in ion exchange and gas adsorption. Phloroglucinol is an antispasmodic and a derivative of phenol.
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Basic fuchsin for microscopical staining
Supplier: VWR Chemicals
Basic fuchsin for microscopical staining
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2-Hydroxy-1,4-naphthoquinone 97%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
2-Hydroxy-1,4-naphthoquinone is one among the forensic reagents used for fingerprint detection. 2-Hydroxy-1,4-naphthoquinone, produced from Lawsonia inermis, is an orange dye. It belongs to the class of naphthoquinone dyes. 2-Hydroxy-1,4-naphthoquinone is used to dye hair and to color textiles. It has antibacterial, antifungal, anti-inflammatory, antiviral and antineoplastic properties. 2-Hydroxy-1,4-naphthoquinone inhibits tumor cell growth. It stimulates the production of reactive oxygen species (ROS).
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Safranine O ≥85% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Safranin O is a cationic dye, which displays less significant metachromasia. It is used to detect any variations in articular disease. Safranin O binds specifically to polyanions. It detects the amount of proteoglycan present in cartilages. Safranin O is used as a marker for glycosaminoglycan depletion in osteoarthritis. Safranin is used as a counter stain in gram staining.
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Malachite green oxalate, Technical Grade, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
The release of phosphate or pyrophosphate in an enzymatic reaction can be detected by malachite green and is measured spectrometrically at 660 nm.
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Neutral red, powder, Bioreagent cell culture reagent, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Neutral red (C.l. 50040, Cl Basic red 5) is a protonated diaminophenazine dye that has a small planar conjugated system.
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5-Fluorouracil ≥99% (by HPLC), powder, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
5-Fluorouracil has been used to induce apoptosis in cells. It has been used as a chemosensitising agent. A potent antitumor agent that affects pyrimidine synthesis by inhibiting thymidylate synthetase, thus depleting intracellular dTTP pools. It is metabolized to ribonucleotides and deoxyribonucleotides, which can be incorporated into RNA and DNA. Treatment of cells with 5-FU leads to an accumulation of cells in S-phase and has been shown to induce p53 dependent apoptosis.
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Pararosaniline hydrochloride ≥85% (by HPLC), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
This is the pure, principal component of mixtures commonly referred to as Basic Fuchsin.
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X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥99% (by enzymatic purity), Ultra Pure Grade
Supplier: VWR Chemicals
X-Gal (5-bromo-4-chloro-3-indolyl-ß-D-galactopyranoside) ≥99% (by enzymatic purity), Ultra Pure Grade
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Wright's stain, certified by the Biological Stain Commission, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Wright stain, a modified romanowsky stain, is intended for differential staining of the cellular elements of blood. It comprises polychrome methylene blue and eosin B. Upon staining blood films with wright stain, the white blood cell nucleus and cytoplasm display characteristic blue or pink hues.
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Chromotrope 2R suitable for modified Gomori trichrome stain, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Chromotrope 2R has been used in the Gomori trichrome staining in osteochondral tissues. It has also been used for the staining of eosinophils in lung sections. Chromotrope 2R is used for the staining of microsporidia in body fluids and stool samples. It is used in modified Gomori′s trichrome staining. Chromotrope 2R has high affinity for phospholipids and is used for the staining of mitochondrial and endoplasmic reticulum membrane in histological samples.
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Azure A ≥70% (dye content), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Azure A is a basic cationic dye. The combination of azure A and silver staining is used for the quantification of glycosaminoglycans in agarose gels. It is also used for the staining of chromosomes in the nucleus. It is a main component of the azure B/polychromed methylene blue – eosin stains family, also referred to as the Romanowsky stain.
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Methyl blue microbiology stain (C.I. 42780)
Supplier: VWR Chemicals
Methyl blue microbiology stain (C.I. 42780)
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Congo red staining kit
Supplier: Merck
Kit for the detection of amyloid acc. to Highman
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Wright's stain used as a blood stain, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Wright′s Stain solution is commercially available and is generally used in hematology. Its preparation involves heating methylene blue with sodium bicarbonate and combining the mixture with eosin. It is alkaline, hence, its concentration is continuously changing due to the progressive oxidizing action of the alkali. Therefore, Giemsa′s stain is added to preserve the azurophilic properties of polychrome dyes.
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Propidium iodide solution 1.0 mg/ml in water
Supplier: SIGMA ALDRICH MICROSCOPY
Membrane impermeant, phenanthridinium intercalator dye excited by mercury or xenon-arc lamps or argon-ion laser. Suitable for use in fluorescence microscopy, confocal laser scanning microscopy, flow cytometry, and fluorometry. Used as a nuclear counterstain.
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Tetrabromophenol blue, Sigma-Aldrich®
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.