Lab Stains and Dyes
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Gentian (Crystal) Violet
Ricca ChemicalRicca Chemical Company offers a full set of general use cleaning solutions, acids, bases, dry chemicals, and solvents. With high quality, competitive pricing, and rapid service, our general use products are guaranteed to exceed your needs.
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Gram Stain Kit Advanced™
Hardy DiagnosticsUsed to stain microorganisms from cultures or specimens by the differential gram method. Produces gram stains with brighter more distinct colors. Kit includes: Hucker's Crystal Violet Iodine, stabilized Decolorizer, Fast Counterstain, Advanced
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Uranyl Formate
Electron Microscopy SciencesFor ultra fine grain structure, Electron Microscopy Sciences' Uranyl Formate offers amazing advancement in negative staining for microscopy. Contents are radioactive.
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Indole, Kovac's Reagent
Hardy DiagnosticsP-dimethylaminobenzaldehyde, to test indole production in indole broth or for biochemical strip/cupule methods. Positive indole reactions with Kovac's will turn pink to red. Does not require a xylene or chloroform extraction as with Ehrlich's Reagent. Kovac's Reagent is not for rapid…
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RAPIDstain™
G-BiosciencesAn ultra sensitive and ready-to-use protein stain based on Coomassie dye. No mixing or preparation is involved. No fixation step is needed. Simply rinse gel, add RAPIDstain™ and protein bands develop within 5 to10 minutes, reaching a maximum visibility in an hour. Mini-gels can be stained in…
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Acridine Orange Hemi (Zinc Chloride) Salt
Bio Basic Inc.The Bio Basic Inc. acridine orange hemi (zinc chloride) salt is suitable for research and laboratory use. It is used during cell cycle determination. Application: For Laboratory Research Only
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Ponceau S Staining Solution
Bio Basic Inc.Ponceau S Staining Solution: Ponceau S Staining Solution, as a reversible stain method, is used to stain electroblotted proteins on blot transfer membranes. Transferred proteins (>100 ng/band) appear as red bands on a white background, proteins are stained by the Ponceau S Staining Solution…
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Hematology Buffer, pH 6.8
Ethos BiosciencesHematology buffer is used to dilute staining solutions in the Wright's, Wright-Giemsa, and Giemsa staining processes. Enhances bright-orange stained erythrocytes and differentiates white blood cells.
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PMA Dye
BiotiumPMA (propidium monoazide) is a high affinity photoreactive DNA binding dye invented by scientists at Biotium for viability PCR of bacteria and other microorganisms.
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Resazurin sodium salt
BeanTown ChemicalCAS: 62758-13-8 EC No: 263-718-5 MDL No: MFCD00005036 RTECS: SP7700000 Powder Molecular Formula: C12H6NNaO4 MW: 251.18
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2,3,5-Triphenyltetrazolium Chloride
MP Biomedicals2,3,5-Triphenyltetrazolium Chloride is a redox indicator. In the TTC assay (also known as TTC test or tetrazolium test), TTC is used to differentiate between metabolically active and inactive tissues. The white compound is enzymatically reduced to red TPF (1,3,5-triphenylformazan) in living tissues…
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Rosolic acid
BeanTown ChemicalCAS: 603-45-2 EC No: 210-041-8 MDL No: MFCD00001624 Powder Molecular Formula: C19H14O3 MW: 290.32
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Fluorescein Isothiocyanate, Isomer I (FITC)
Bio Basic Inc.The Bio Basic Inc. fluorescein isothiocyanate isomer I [FITC] is suitable for laboratory and research use. Application: For Laboratory Research Only
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Gram Stain Set, Stabilized Iodine, 4x8oz
Ethos BiosciencesThe Gram Stain is used for the differiential staining of bacteria. Set consists of “pre-mixed” iodine. 4x8oz
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Calcein
MP BiomedicalsCalcein is used as an indicator for the determination of calcium by titration with EDTA. Suitable for fluorometric determination of calcium. Calcein does not fluoresce in strong alkaline solution, but an intense fluorescence appears in the presence of alkaline earths, especially calcium. The…
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Uranyl Magnesium Acetate
Electron Microscopy SciencesUsed as a substitute for uranyl acetate in either double-staining techniques and also as a solo stain. Formula: UO2Mg(CH3COO)4 Formula Weight: 530.0 CAS #: 20596-93-4
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Neutral Red
Bio Basic Inc.The Bio Basic Neutral Red with a composition of =100% 2, 8-Phenazinediamine, N8, N8, 3-Trimethyl-, Monohydrochloride, is suitable for use in laboratory use only. It can be stored at a temperature of 18 to 25 degree C.
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Ponceau S Stain
G-BiosciencesFeatures Synonym: 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acidsodium salt CAS#: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight: 760.57
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Advanced™ Crystal Violet Stain
Hardy DiagnosticsUsed as a primary stain in the advanced gram stain procedure. An aqueous solution of crystal violet.
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Carbohydrazide
Electron Microscopy SciencesFormula: CO(NHNH2)2 Formula Weight: 90.08 CAS #: 497-18-7 Melting Point: 152-153°C For GACH embedding kit. A water-miscible, lipid-retaining, embedding polymer for E.M.. Heckman, et. al., Ultrastruct. Res., 42,156 (1973).
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Silver Protein
Electron Microscopy SciencesProtargol, 8.3% Ag CAS #: 9008-42-8 Thiery, (1967). See Silver Nitrate
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Bromophenol Blue (ACS Grade)
G-BiosciencesFeatures Synonym: Bromphenol Blue Sultone Form CAS #: 115-39-9 Chemical formula: C19H10Br4O5S Molecular weight: 669.96
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FASTsilver™ Kit
G-BiosciencesFASTSilver™ is one of the most rapid and sensitive methods for detecting proteins and nucleic acids fractionated by PAGE. Staining is 100 times more sensitive than Coomassie Blue protein staining and 10 times more sensitive than ethidium bromide for DNA and RNA. FASTsilver™ is a…
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Decolorizer, Intermediate
Hardy DiagnosticsDecolorizer used in the gram stain procedure, intermediate 50% alcohol/50% acetone. Recommended for use with stabilized iodine.
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Papanicolaou Stain EA-36 is used with OG-6 and hematoxylin for gynecological staining protocols.
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Bromophenol Blue
Electron Microscopy Sciences(3',3",5 '5"-Tetrabromophenol-sulfonthalein) Formula: C19H10O5SBr4 Formula Weight: 669.97 CAS #: 115-39-9
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BROMOCRESOL GREEN, 5 g
MP BiomedicalsBromocresol Green is a dye of the triphenylmethane family (triarylmethane dyes). It binds quantitatively with human albumin forming an intense blue-green complex with an absorbance maximum at 628 nm. Bromocresol Green is useful in a variety of colorimetric detection technologies. It is used as a…