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

The Crystal Clear™ Series of polyurethane resins were designed for applications that require absolute clarity. These are low viscosity resins that cure at room temperature with negligible shrinkage to a hard plastic. Cured products are UV resistant and are not brittle. Applications include…

Grade: Reagent, Crystals, A.C.S. Formula: CrO₃   Formula Weight: 99.99   CAS #: 1333-82-0

All 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…

Blue Silicone Rubber comes as a kit consisting of 1 gal (9 lb) silicone base and 1 pt (1lb) blue catalyst. Blue Silicone Rubber is extremely high tear, high tensile strength, two components, and tin catalyzed RTV silicone rubber. It is designed for casting polyurethane foam, polyester and…

Formula: OCHCH₂CH₂CH₂CHO Formula Weight: 100.12 CAS #: 111-30-8 Specific Gravity @20/20°C: 1.131 EM Grade Distillation Purified The Universal Fixative for Electron Microscopy. Purified to EM Grade from commercial grade by…

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…

An 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: …

Immunoassay buffer is supplied as 10X solution.  It is used as 1X in all immunoassays (Immunofluorescence, IHC, ELISA, WB, etc.) as a washing buffer and can be used as dilution buffer for antibodies; however it does not contain any carrier proteins.  This buffer does not contain any…

A polycation, which binds to DNA, red cell membranes and any negatively, charged proteins. It is useful for promoting cell adhesion; for the preparation of polycationic beads, useful in immobilization techniques; immobilization of membranes; immobilization of plant protoplasts. In cell culture,…

1,4 Piperazine bis (2-ethanosulfonic acid) Useful pH range: 6.4 - 7.2 pH: K = pH = 6.8 @25°C CAS #: 10010-67-0 PIPES is a hydrogen-ion organic-based buffer, used in the preparation of a variety of mammalian tissues for EM. It produces excellent results in the…

Formula: KMnO₄   Formula Weight: 158.03   CAS #: 7722-64-7 An EM fixative and a metal stain. J. Ultrastruct. Res., 21,424 (1968)

Microfiltered with a 0.45 micron membrane; suitable as an EM fixative when a methanol free solution is not necessary. HCHO Formula Weight: 30.03   CAS #: 50-00-0

When 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…

Type M-L; mini-lancet; .20 thickness Our ultra-sharp blade cuts with minimum pressure, without tearing or damaging the specimen and reduces the risk of specImen distortion. Our UNIQUE PRESSURE MECHANISM allows blade actuation with one hand The handle is made of titanium and is coated by…

Over the years, many of our valued customers have requested purchasing our aqueous Glutaraldehyde in serum vials. This packaging allows the user to puncture the special non-reactive seal with a hypodermic syringe and draw out the exact quantity of aqueous Glutaraldehyde needed without opening the…

Formula: CH₃COOC₅H₁₁   Formula Weight: 130.18   CAS #: 628-63-7 Boiling Range: 140.0°C-150.0°C Specific Gravity @ 25°C: 0.870-0.875

The Electron Microscopy Sciences Tris-HCL pH buffer with an uncharacteristic odor is used by molecular biologists. The sterile formulation of this buffer makes it ideal to use for RNA and DNA applications.

A fixative that is used in light microscopy for the preparation of delicate structure.

Ready To mix. Kit consists of: 2x10 ml ampoules 16% Formaldehyde1x10 ml ampoules 50% Glutaraldehyde1x50 ml 0.2M Sodium Phosphate Buffer. Mixture 1: (Original Karnovsky's Mixture) 16% Paraformaldehyde Solution: 20ml 50% Glutaraldehyde EM Grade: 8ml 0.2M Sodium…

Used as a laboratory reagent in the determination of sodium concentrations of solutions. Formula: ZnUO₄(CH₃COO)₂ CAS #: 33959-50-1

99% minimum purity - NH 2 NHCSNHNH 2 Pure white crystalline form M.P. is 172°C Indefinite shelf-life due to purification procedure Does not need to be kept refrigerated Staining method: (OTO) This staining method (osmium fixed tissue exposed to TCH followed by a second…

Formula: UO₂(OCOCH₃)₂·2H₂O   Formula Weight: 424.14 CAS #: 541-09-3 Assay: 98.0-102.0%

(Methyl Alcohol) Formula: CH₃OH   Formula Weight: 32.04   CAS #: 67-56-1 UN #: UN1230

A solvent agent for epoxy resins. Used widely for infiltration and gradual replacement of the dehydration agent. Grade: EM Grade CAS #: 75-56-9 UN #: UN1760

Formula: C₆H₈O₇   Formula Weight: 192.13   CAS #: 77-92-9

EMS Reagent Grade Water is typically prepared at 18 megohm/cm specific resistance using a reverse osmosis, mixed deionization, activated filtration and final filtration at 0.2 microns. H₂O Formula Weight: 18.02 CAS #: 7732-18-5 Color (APHA): <+/-5 …

The Electron Microscopy Sciences ammonium molybdate reagent comes in a 100 gram bottle and is ideal for the process of negative staining of viruses for TEM. Application: Used in the Negative Staining of Viruses for Tem

Prepared from Sodium Cacodylate Trihydrate (F.W. 214.02)

Millonig (1964); Karlsson and Schultz (1965) Ingredients: Sodium Phosphate, monobasic (NaH₂PO₄xH₂O) Sodium Phosphate, dibasic (Na₂HPO₄xH₂O) 0.5% Sodium Chloride (NaCl) Shipping Conditions: Ambient Temperature

Highly purified nitrocellulose (parlodion strip) in glass distilled amyl acetate. Useful for forming a negative replica to very fine detail. Two types are available: Our sterile formula which is filtered down to 0.45 micron and our non-sterile formula.

This ready-to-use Antibody Dilution Buffer is designed for the dilution of antibodies in all immunoassays, including immunofluorescence, IHC, ELISA, WB. This buffer contains immunoglobulin free BSA and does not contain phosphate, sodium azide, or mercury preservatives. It can be used for the…