Electron Microscopy Sciences

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  • Tissue-Tek® O.C.T. Compound

    Electron Microscopy Sciences

    Sakura Finetek - This is a well known water soluble glycol’s and resins compound that provides an excellent specimen matrix for cryostat sectioning at temperatures of -10°C and below. It leaves no residue during the staining procedure.

  • Uranyl Magnesium Acetate

    Electron Microscopy Sciences

    Used 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 Included Fees: C993L44 & C993L45 have a $25 Uranyl Testing Fee…

  • Uranyl Acetate Solution

    Electron Microscopy Sciences

    We are now offering Uranyl Acetate pre-made and ready to use solution for making your work easier. The following percentages are avaialble off the shelf (1, 2, 3, 4). Formula: UO2(OCOCH3)2·2H2O Formula Weight: 424.14 CAS #: …

  • Uranyl Acetate

    Electron Microscopy Sciences

    Formula: UO2(OCOCH3)2·2H2O   Formula Weight: 424.14 CAS #: 541-09-3 Assay: 98.0-102.0% Included Fees: C993L41 has a $25 Uranyl Testing Fee included in the price.

  • Uranyl Zinc Acetate

    Electron Microscopy Sciences

    Used as a laboratory reagent in the determination of sodium concentrations of solutions. Formula: ZnUO4(CH3COO)2 CAS #: 33959-50-1 Included Fees: C993L48 has a $25 Uranyl Testing Fee included in the price.

  • Uranyl Formate

    Electron Microscopy Sciences

    For ultra fine grain structure, Electron Microscopy Sciences' Uranyl Formate offers amazing advancement in negative staining for microscopy. Included Fees: C993L42 & C993L43 have a $25 Uranyl Testing Fee included in the price.

  • Uranyl Nitrate

    Electron Microscopy Sciences

    A Universal EM Negative Stain used for viruses. In tissue samples it stabilizes nucleic acids and cell membranes. These solutions are more stable than uranyl acetate and they react primarily with negatively charged groups in the absence of phosphate ions. Grade: Reagent Grade, A.C.S. …

  • Carmine

    Electron Microscopy Sciences

    Alum Lake of Carminic acid (Natural Red 4) CAS #: 1390-65-4 Solubility: 0.0% Water; 0.2% Alcohol; 0.5% Cellosolve; 4.0% Glycol; 0.0% Xylene.

  • Ninhydrin

    Electron Microscopy Sciences

    (1,2,3-Triketohydrindene Monohydrate) Formula: C9O4·H2O   Formula Weight: 178.15   CAS #: 485-47-2

  • Toluidine Blue O

    Electron Microscopy Sciences

    A general stain for epoxy thick sections. (Basic blue; Methylene Blue T50 or T Extra) Formula: C15H16N3SCl   Formula Weight: 305.83   CAS #: 92-31-9 Dye Content: approx. 85% min. Solubility: 3.25% Water; 1.75%…

  • Acid Fuchsin

    Electron Microscopy Sciences

    (Rubin S, Fuchsin S, Fuchsin Acid, Acid Magenta, Acid Violet 19) Formula: C20H17N3Na2O9S3   Formula Weight: 585.54   CAS #: 3244-88-0 Solubility: 0.053% Water; 1.21% Alcohol

  • Bismarck Brown Y

    Electron Microscopy Sciences

    (Basic Brown 1; Basic Brown G, GX, GXP; Vesuvine; Leather Brown; Manchester Brown; Phenylene Brown) Formula: C18H18N8·2HCl   Formula Weight: 419.32   CAS #: 10114-58-6 Solubility: 1.5% Water; 3.0% Alcohol; 3.0%…

  • Lucifer Yellow

    Electron Microscopy Sciences

    A technique producing an electron dense osmiophilic polymer when Lucifer Yellow is injected into cells. Lucifer Yellow also can be viewed in living cells as a dye marker and is more sensitive than any other dye. Formula: …

  • Sodium Tungstate

    Electron Microscopy Sciences

    Formula: Na2WO4.2H2O   Formula Weight: 329.86   CAS #: 10213-10-2 Assay: 99.0-101.0%

  • Imidazole

    Electron Microscopy Sciences

    Imidazole is a liquid enhancing buffering agent that, when used with 4% osmium tetroxide solution as a post-fixation for tissue blocks, produces a prominent electron-opaque staining of lipid droplets with no evidence of diffusion. Procedure: Tissue is fixed by vascular perfusion with…

  • Azocarmine G

    Electron Microscopy Sciences

    (Acid red 101; Basalan Carmine GE; Rosinduline) Formula: C28H17N3Na2O6S2   Formula Weight: 601.57   CAS #: 25641-18-3 Solubility: 1.0% Water; 0.1% Alcohol; 1.75% Cellosolve; 4.5% Glycol; 0.01% Xylene

  • Lead Nitrate

    Electron Microscopy Sciences

    Formula: Pb(NO3)2   Formula Weight: 331.21   Grade: Reagent A.C.S. CAS #: 10099-74-8 UN #: 1469

  • PTA Phosphotungstic Acid 100g UN1759

    Electron Microscopy Sciences

    (Tungstophosphoric Acid) Formula: H3[P(W3O10)4]   Formula Weight aq: 2880.17+aq CAS #: 12501-23-4

  • S-TPPS 100MG

    Electron Microscopy Sciences

    A new electron dense stain for elastic tissue.

  • Uranyl Oxalate 1g

    Electron Microscopy Sciences

    To adjust the pH of Uranyl compounds as well as a negative stain for electron microscopy. Formula: (COO)2 UO2 ·.3H2O Included Fees: C993L46 has a $25 Uranyl Testing Fee included in the price.

  • Silver Protein

    Electron Microscopy Sciences

    Protargol, 8.3% Ag   CAS #: 9008-42-8 Thiery, (1967). See Silver Nitrate

  • Nitro Blue Tetrazolium Chloride

    Electron Microscopy Sciences

    (Nitro, BT, p-Nitrotetrazolium Blue; 2, 2´-Di-p-nitrophenyl-5, 5´diphenyl-[3, 3´-dimethoxy-4, 4´-diphenylene] ditetrazolium chloride) Formula: C40H30Cl2N10O6   Formula Weight: 817.6   CAS #:…

  • SITS Sodium Salt

    Electron Microscopy Sciences

    Formula: C17H12N2O7S3Na2   Formula Weight: 498.50   CAS #: 5-1023-76-8 SITS has been used as a vital stain, as a label for immunostaining, and as a neuronal tracer. SITS is also a non-penetrating…

  • Carbohydrazide

    Electron Microscopy Sciences

    Formula: 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).

  • Thiocarbamyl Nitro-Blue Tetrazolium

    Electron Microscopy Sciences

    (2,2'-Di[p-nitrophenyl]-5,5'-di[p-thiocarbamylphenyl] -3,3'-[3,3'-dimethoxy-4,4'-biphenylene]ditetrazolium chloride) Formula: C42H32Cl2N12O6S2   Formula Weight: 935.8   CAS #: 36889-43-7

  • Acid Fuchsin

    Electron Microscopy Sciences

    Formula: C56H68N16S4Cu   Formula Weight: 1298.88   CAS # 12040-44-7 Dye Content: Approx. 50% Solubility: Water-soluble Used as a fixative: 0.5-2% Alcian Blue in Glutaraldehyde fixative enhances the preservation and…

  • Bromophenol Blue

    Electron Microscopy Sciences

    (3',3",5 '5"-Tetrabromophenol-sulfonthalein) Formula: C19H10O5SBr4   Formula Weight: 669.97   CAS #: 115-39-9

  • Ruthenium Tetroxide 0.5% Aqueous Solution

    Electron Microscopy Sciences

    Ruthenium tetroxide is very similar to Osmium tetroxide, and is used as a fixation/staining agent for electron microscopy. Ruthenium tetroxide offers excellent staining of saturated and unsaturated polymer materials as well as stabilizing thin sections under the bombardment of the electron…

  • Indium Trichloride

    Electron Microscopy Sciences

    A metal stain for nucleic acid. Formula: InCl3   Formula Weight: 221.18   CAS #: 10025-82-8 Chloride Content: 98%

  • Ammonium Molybdate

    Electron Microscopy Sciences

  • Sodium Tartrate

    Electron Microscopy Sciences

    Formula: Na2C4H4O6·2H2O   Formula Weight: 230.08   CAS #: 6106-24-7 Assay: 99.5%-101.0% pH of a 5% solution: @25°C-7.0-9.0 Loss on Drying: @150°C-15.61-15.71%

  • Alizarin Red S

    Electron Microscopy Sciences

    (Alizarin Camine, Mordant Red 3) Formula: C14H7O7SNa . H2O   Formula Weight: 360.28   CAS #: 130-22-3 Solubility: 7.69% Water; 0.1% Alcohol. Certified for Staining Bone. Stain for nervous tissue in small…

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