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2',4'-Dihydroxy-3'-methylacetophenone 90%, Technical Grade, Sigma-Aldrich®

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4-Amino-3-hydroxy-1-naphthalenesulfonic acid is a derivative of aniline consisting of a trifunctional monomer (bearing three functional groups –NH₂, –OH and –SO₃H). It also contains two fused benzene rings.

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Patent Blue VF has been used in combination with 99mTc phytate to detect sentinel lymph node (SLN) in early stage cervical cancer patients. To detect heat shock protein (HSP) gp96 induced draining lymph nodes (LNs) in mice and to detect the effect of Asn-Gly-Arg (NGR)-tumor necrosis factor (TNF) on tumor perfusion in murine model. It is also used a diagnostic assay manufacturing, hematology, histology.

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Alcian blue 8GX, certified, Sigma-Aldrich®

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Acid Fuchsin is mainly used as a diachrome and is part of the connective tissue stains. It also works as a pH indicator.

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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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Morin hydrate is a yellowish pigment and a fluorescent indicator. It is used for the fluorimetric determination of several metals, mostly aluminum. Morin has been utilised in fluorescent microscopy as a fluorescent nuclear stain and as an application to detect aluminium in the brain by demonstrating metal salts.

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Light green SF yellowish (LGSFY) is a disodium salt of an acid triphenylmethane dye. It is also known as Light Green, Lissamine Green SF, Food Green 2, Green No. 205, Acid Green, Acid Brilliant Green 5, and Acid Brilliant Green SF. LGSFY is an important component of Papanicolaou stains in addition to eosin Y and bismark brown Y. Light green SF yellowish is a histological stain for collagen and a permitted colorant for foodstuffs and beverages.

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Chlorophyllin sodium copper salt has been used to study the effect of chlorophyllin against radiation-induced hematopoietic syndrome. It has been used to study the effect of chlorophyllin on the excretion of PhIP

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Oil Blue N, Dye content 96% (Solvent Blue 14).

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Victoria Blue R is a basic dye. It belongs to the class of diphenylnaphthylmethane dyes. Victoria Blue R has been employed in manufacture of lake pigments. It has lot of industrial applications, but it is rarely used as a biological stain.

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Estriol 3-sulfate sodium salt, (1,3,5(10)-Estratriene-3,16alpha,17beta-triol 3-sulfate; 3,16alpha,17beta-Trihydroxy-1,3,5(10)-estratriene 3-sulfate)

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Staining system for polymorphonucleocytes in blood or bone marrow films.

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Tissue samples may be snap frozen using PolyFreeze with isopentane and liquid nitrogen, dry ice (slush/slurry or bunker), or in a cryostat. PolyFreeze media do not cause autofluorescence and can easily be washed away during tissue fixation when rinsed prior to staining. Once rinsed off the slide, there is no trace of the support matrix to interfere with staining or immunohistochemistry (IHC) reactions.

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Oranje G, Sigma-Aldrich®

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Intended for use in the Acid Fast Stain, Procedure No. HT80 with Malachite Green counterstain Catalog No. HT80-2

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Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.

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Kernkleuring voor algemeen gebruik, regressief type. Gebruikt bij hematoxyline- en eosinekleuring.

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May contain minor quantities of precipitated dye.

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Chromeazurol B is a dye, belonging to the class of triphenylmethanes.

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Ponceau Xylidine has been used as part of the Goldner’s trichome stain to stain thin sections. It has also been used to prepare Fuchsin-Ponceau solution to stain an amyotrophic lateral sclerosis tissue-engineered

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N,N-Dimethyl-p-phenylenediamine dihydrochloride (DMPD) has been used in the HID-AB (high iron diamine-alcian blue) staining of intestinal tract samples. N,N-Dimethyl-p-phenylenediamine dihydrochloride (DMPD) is used for the determination of peroxidase. DMPD is converted into a red pigment of semiquinone nature. It is also used in the HID-AB (high iron diamine-alcian blue) staining procedures, which are used to differentiate between sialomucin and sulfomucin in the gastrointestinal tract.

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4-Nitrophthalamide,99%

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Benzophenone imine plays a vital role as an ammonia surrogate. It is primarily used as ammonia equivalents for the selective formation of protected primary amines. Benzophenone imine is useful as a synthetic intermediate, especially for the synthesis of glycine Schiff base. Benzophenone imine is useful for the preparation of nitrile yield dimers.

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Calcein AM 4 mM in DMSO ≥90% (by HPCE), clear solution

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Pararosaniline Base,crystalline (Parafuchsin; Paramagenta)

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Melanin is a ubiquitous and prominent pigment responsible for color of skin, hair and eyes. Melanin is classified into eumelanin and pheomelanin. Eumelanin is black to dark brown pigment and is present in black hair and retina of the eye. Pheomelanin is yellow to reddish brown pigment present is red hair and red feathers. Melanins are high molecular weight pigments synthesised from phenolic or indolic precursors and is widely present in animals, plants and microorganisms.

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

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Use of dextrans as long and hydrophilic spacer arms to improve the performance of immobilised proteins acting on macromolecules.

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Quinoline Yellow,for microscopy (Hist.), mixture of mono- and disulfonic acid sodium salt (Acid Yellow 3)