Electron Microscopy Sciences, Chemicals
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Paraformaldehyde (Formaldehyde)
Electron Microscopy SciencesParaformaldehyde – methanol free solution. A more efficient and rapid penetrant fixative used in combination with Glutaraldehyde and Acrolein fixatives. Easy to break, prescored, 10 ml ampoules sealed under inert gas, or 100 ml bottles. In addition to our complete line of Formaldehyde…
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Tris (Hydroxymethyl) Aminomethane, Free-base, Reagent Grade
Electron Microscopy SciencesWhite crystalline powder Formula: C4H11NO3 Formula Weight: 121.14 Grade: Reagent CAS #: 77-86-1 A 40% (w/v) aqueous solution. It is clear and colorless. Assay: >99.9% Water: .<0.2% Heavy…
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Brasil Fixative
Electron Microscopy SciencesEthanol, Picric Acid, Formalin, Acetic Acid, Glacial. This fixative is most popular when glycogen is the target. The solution is similar to Bouins Solution (alcoholic) offering quick hardening and good staining with acid dyes.
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C-Slide Automated Cell Counting Chamber Slides
Electron Microscopy SciencesC-Slide Automated Cell Counting Chamber Slides For use with automated cell counters. Only compatible with the EVE and Countless Cell Counting machines. Features Quartz grade optical plastic Precise design leads to highly reproducible results Two counting chambers fitted…
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EMS Cured Epoxy Remover
Electron Microscopy SciencesStudies show that in order to get good results in positive staining of sections, the removal of cured epoxy (embedding material) as well as the reduced-osmium (fixation materials) from the sections is necessary; especially when double fixation with an Aldehyde and Osmium tetroxide is employed to…
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Potassium Sodium Tartrate, Tetrahydrate Reagent, A.C.S.
Electron Microscopy Sciences(Sodium Potassium Tartrate) KNaC4H4O6·4H2O F.W. 282.22 CAS #6381-59-5 Assay 99.0-102.0% Water 21.0-27.0% Used with bismuth subnitrate for staining polysaccharides, including glycogen without oxidizing agents. Shinji, Y., et al (1975). A new electron microscopic histo-cyto chemical…
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MicroPoint™ Scissors System, Style LA-1 and MPF-1, All Smooth Blades
Electron Microscopy SciencesMicroPoint Unibands Length: 5 inches Width: One Inch Height: ½ inch Blades: from ½ inches to 7/8 inches MicroPoint FeatherLites Micro model -- Lengths: 5-1/4" and 7-1/4" Micro model -- Blades: 1/4" and 1/2" Standard -- Lengths: 5-1/2" and 7-1/2" Standard -- Blades: 7/8
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Potassium Hydroxide, Pellets, Reagent, A.C.S.
Electron Microscopy SciencesKOH Formula Weight: 56.11 CAS #: 1310-58-3 Assay: >85.0% Water contains: 10-15%
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Digitonin
Electron Microscopy SciencesAn additive which stabilizes cholesterol 0.2% digitonin in buffer added to Glutaraldehyde fixative may help to stabilize and retain the fine structural localization of free cholesterol and cholesterol esters. Formula: C56H92029 Formula Weight: …
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Ethylene Glycol Monoethyl Ether, Purified
Electron Microscopy Sciences(Cellosolve; 2-Ethoxyethanol; Ethyl Glycol) Formula: HOCH2CH2OCH2CH3 Formula Weight: 90.12 CAS #: 110-80-5 UN #: UN1171 Suitable for histological use.
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EARLE's Balanced Salt Solutions - EBSS
Electron Microscopy SciencesAll of our Earle’s Balanced Salt Solution contains: Potassium Chloride, Sodium Chloride, Sodium Phosphate Monobasic, and D-glucose. Some formulations may contain additional components. Use the table below as a quick reference for identifying the one that best suits your application. All of…
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Uranyl Nitrate
Electron Microscopy SciencesA 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. …
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Sym-Collidine Buffer Kit
Electron Microscopy Sciences2,4,6-Trimethylpyridine Formula: N:C(CH3)CH:C(CH3)CH:CCH3 CAS #: 108-75-8 Formula Weight: 121.18 pH: 7.4 Bennett & Luft., Biophys & Biochem. Cytol., 6,113 (1959). A very stable buffer, used with…
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Millonig's Phosphate Buffer
Electron Microscopy SciencesMillonig (1964); Karlsson and Schultz (1965) Ingredients: Sodium Phosphate, monobasic (NaH2PO4xH2O) Sodium Phosphate, dibasic (Na2HPO4xH2O) 0.5% Sodium Chloride (NaCl) Shipping Conditions: Ambient Temperature
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Uranyl Acetate
Electron Microscopy SciencesFormula: UO2(OCOCH3)2·2H2O Formula Weight: 424.14 CAS #: 541-09-3 Assay: 98.0-102.0%
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Histosol™ - Xylene Substitute
Electron Microscopy SciencesHistosol™ is the original high flash point (114ºF TCC) histological clearing agent. It is intended to be used as a replacement for xylene where the hazards associated with aromatic hydrocarbon vapors are to be reduced. Museum-quality tissue slides can be prepared with Hitosol without…
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Trypsin 1:100, Powder
Electron Microscopy SciencesCAS #: 9002-07-7 Extract from Porcine Pancreas. Activity >100 NF units/mg Used for whole cell preparations.
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Butvar B-98 Solution
Electron Microscopy SciencesBUTVAR B-98 support films are mechanically stable, electron-transparent, and have minimum intrinsic structure. Their hydrophilic nature facilitates the spreading of the sections allowing even staining on the surface. This film can resist an intense electron beam during focusing and photography at…
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(DAB), 3,3'-Diaminobenzidine, EM Grade, Purified free-base
Electron Microscopy Sciences(3,3',4,4'-Biphenyltetramin) Formula: C12H14N4 Formula Weight: 214.27 CAS #: 91-95-2 Melting Point: 173°C Used as an ultrastructural protein tracer for immuno-cytochemistry. A possible carcinogen.
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Agarose I™
Electron Microscopy SciencesWhen agarose is placed in a buffer such as TAE (Tris/Acetate/EDTA) or TBE (Tris/Borate/EDTA), it is generally insoluble. However, when this agarose solution is heated, the agarose particles become hydrated and thus go into solution. This hydration process is time-dependent, and different types of…
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Chloroform, Glass Distilled
Electron Microscopy SciencesUV Absorption - 1 cm cell vs H2O wavelength (nm) 290 270 260 255 245 A 0.01 0.02 0.05 0.15 1.0 Assay 99.7% min. Evaporation Residue …
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Aluminum Oxide 90 Basic
Electron Microscopy SciencesAluminum Oxide 90 Basic (63-200 Micron) for use with Technovit® 9100. Formula: Al2O3 Formula Weight: 101.96 CAS #: 1344-28-1
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Triton® X-100, 0.08% Aqueous Solution
Electron Microscopy SciencesA prepared solution for the cleaning of diamond knives.
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ERL 4221
Electron Microscopy SciencesDue to the supply shortage of ERL-4206, ERL-4221 has now been specially formulated to replace it. ERL 4206 is one of the main components of the low viscosity (Dr. Spur) embedding resin kit. ERL-4221 is a Cycloaliphatic Epoxide Resin.
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2,2-Dimethoxypropane
Electron Microscopy Sciences(Acetone Dimethyl Acetal) Used as a dehydration agent. Formula: (CH3)2C(OCH3)2 Formula Weight: 104.15 CAS #: 77-76-9 Specific Gravity: 0.849
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Propylene Glycol, Reagent, A.C.S.
Electron Microscopy Sciences(1,2-Propanediol) Formula: CH3CHOHCH2OH Formula Weight: 76.10 Grade: Reagent A.C.S. CAS #: 57-55-6 Specific Gravity (H2O=1): 1.04 Assay: >99.5%
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Maleic Acid
Electron Microscopy Sciences(Toxilic Acid; cis-Butenediodic Acid) Formula: HOOCCH:CHCOOH Formula Weight: 116.08 CAS #: 110-16-7 Melting Point: 132-134°C Assay: 99.5%
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Toluidine Blue O
Electron Microscopy SciencesA 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%…
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Sodium Phosphate, Dibasic, Heptahydrate, Reagent, A.C.S.
Electron Microscopy SciencesFormula: Na2HPO4·7H2O Formula Weight: 268.07 CAS # 7782-85-6
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Cadmium Iodine, Crystal, Reagent, A.C.S.
Electron Microscopy SciencesUsed for negative staining. Formula: CdI2 Formula Weight: 366.21 Grade: Reagent A.C.S. CAS #: 7790-80-9 UN #: UN2570 Assay: min. 99.0% Melting Point: 387°C Possible Carcinogen.