Histology & Microscopy

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  1. Poly/Bed 502 kit, Luft's Formula
  2. Poly/Bed 502 Resin

    Poly/Bed 502 Resin

    Starting at: $58.00

    WPE is Weight Per Epoxide equivalent. From this value, one determines the optimum amount of DDSA or NMA in grams to combine with 100 grams of resin for stoichiometric balance minimizing unreacted starting materials and producing reproducibly stainable, embedding blocks. Learn More

  3. Araldite® resins (modified epoxy resins), Grade 6005

    Araldite® resins (modified epoxy resins), Grade 6005

    Starting at: $34.00

    WPE is Weight Per Epoxide equivalent. From this value, one determines the optimum amount of DDSA or NMA in grams to combine with 100 grams of resin for stoichiometric balance minimizing unreacted starting materials and producing reproducibly stainable, embedding blocks. The exact WPE value for each lot of Araldite resin is put on the label of each container purchased from Polysciences.

    WPE 182-189

    Learn More
  4. Eosin Y, C.I. 45380, certified

    Eosin Y, C.I. 45380, certified

    Starting at: $57.00

    Cytoplasmic counterstain. Component of Wright stain and Tetrachrome stain.

    (Eosin yellowish; Acid red 87; 2’,4’,5’,7’-Tetrabromo-fluorescein, disodium salt)

    λmax: 517nm

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  5. Flow Fix, 1% Paraformaldehyde Fixative Kit

    Flow Fix, 1% Paraformaldehyde Fixative Kit

    Starting at: $44.00

    A sodium azide free buffer comprised of a neutral pH-buffered saline (i.e., Dulbecco's Phosphate-Buffered Saline) that contains 1% w/v paraformaldehyde. Sodium Azide –Free. Do not add sodium azide to buffers if you are concerned with recovering cell function.

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  6. Karnovsky’s Fixative

    Karnovsky’s Fixative

    Starting at: $277.00

    Formaldehyde/Glutaraldehyde fixative commonly used in EM for structural preservation. Pre-measured in ampoules for one-step preparation.

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  7. MonoStep™ Lowicryl® K4M Polar Embedding Media

    MonoStep™ Lowicryl® K4M Polar Embedding Media

    Starting at: $243.00

    Pre-mixed, ready to use Lowicyrl MonoStep Embedding Media saves time and minimizes chemical contact. These products are ideal for use in Immunohistochemistry. They are based on our popular Lowicyrl K4M and HM-20 formulations for low temperature embedding or freeze substitution. MonoStep products are especially appropriate for immunolableing resulting in better preservation of antigenicity and lower background labeling.

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  8. MonoStep™ Lowicryl® HM20 Non-polar Embedding Media

    MonoStep™ Lowicryl® HM20 Non-polar Embedding Media

    Starting at: $248.00

    Pre-mixed, ready to use Lowicyrl® MonoStep Embedding Media saves time and minimizes chemical contact. These products are ideal for use in Immunohistochemistry. They are based on our popular Lowicyrl® K4M and HM-20 formulations for low temperature embedding or freeze substitution. MonoStep products are expecially appropriate for immunolableing resulting in better preservation of antigenicity and lower background labeling.

    Learn More
  9. Acetone, Glass Distilled, >99.5%

    Acetone, Glass Distilled, >99.5%

    Starting at: $114.00

    Acetone can be used for hardening and dehydrating tissues. It can also be used for the extraction of various principles from animal and plant substances.

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  10. Ruthenium-Tetroxide-0.5%-stabilized-aqueous-solution

    Ruthenium tetroxide, 0.5% stabilized aqueous solution

    Starting at: $277.00

    Useful as a staining agent for electron microscopy of polymers, as well as a fixative for biological samples. Ruthenium tetroxide penetrates tissue very slowly, reacting strongly with proteins, glycogen and monosaccharides.

    Learn More
  11. Hollandes Fixative | Polysciences, Inc.

    Hollandes Fixative

    Starting at: $91.00

    Hollandes fixative is excellent for large and small gastric tissue, GI biopsies or any tissues that contain large amounts of inflammatory and mucinous cells. This solution is one of the best fixatives for certain kinds of protozoa.

    Learn More
  12. Hartmann's Fixative (modified Davidsons fixative) | Polysciences, Inc.

    Modified Davidson's Fixative (Hartmann's Fixative)

    Starting at: $89.00

    Overnight fixative for the visualization of lymph nodes in radical dissection specimens. Helpful with both breast and colon specimens by turning lymph nodes white.

    Learn More
  13. Bouin's Fixative (Bouin's Fluid) | Polysciences, Inc.

    Bouin's Fixative (Bouin's Fluid)

    Starting at: $50.00

    Bouin's fixative is excellent for use in preserving soft and delicate tissue structures. The primary use of Bouin’s is for lymph nodes, prostate biopsies and kidney biopsies, however, it can also be used for decalcifying bones with the addition of formic acid.

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  14. Poly/LEM Fixative | Polysciences, Inc.

    Poly/LEM Fixative

    Starting at: $76.00

    For Light and Electron Microscopy. This popular methanol-free fixative is a formaldehyde-based material formulated to eliminate the need to select a fixative for tissue based on the type of microscopy to be employed.

    Learn More
  15. PolyTransport Buffer | Polysciences, Inc.

    PolyTransport Buffer

    Starting at: $76.00

    Preserve Your Specimens "To Go"

    Specially formulated transport medium designed to preserve tissue in a viable state during transport from surgery to grossing by maintaining osmolarity and pH for 24 to 48 hours.

    Learn More
  16. Acetone, EM Grade, 99.5% minimum

    Acetone, EM Grade, 99.5% minimum

    Starting at: $31.00

    Used for various research needs. It is ideal for use as a fixative for frozen tissue sections for histology. EM grade quality.

    Learn More
  17. 2,4,6-sym-Collidine Buffer Kit, EM Grade

    2,4,6-sym-Collidine Buffer Kit, EM Grade

    Starting at: $98.00

    A biologically stable buffer system for osmium tetroxide and other EM fixatives. Provides better stability and buffering capacity than traditional veronal acetate buffers.

    Learn More
  18. Methanol (Methyl alcohol), 99.5% - EM Grade

    Methanol (Methyl alcohol), 99.5% - EM Grade

    Starting at: $87.00

    Dehydrating agent of tissue as a preparation for embedment.

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  19. Acrolein, distilled, 99% EM grade

    Acrolein, distilled, 99% EM grade

    Starting at: $304.00

    Used in combination with other aldehydes such as formaldehyde or glutaraldehyde to fix very dense specimens since acrolein penetrates and reacts faster than other fixatives. Distilled and packaged in serum vials for easy handling.

    Minimum special packaging and shipping charge of $300. For sale in US only.

    Learn More
  20. Osmium ammine-B

    Osmium ammine-B

    Starting at: $311.00

    Stable DNA stain.

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  21. Peel-A-Way® Tissue Capsules

    Peel-A-Way® Tissue Capsules

    Starting at: $60.00

    Resistant to most chemicals and acids used in processing. Provides three compartments for average size specimens and a removable divider for larger(34mm) specimens. They are weighted to assume upright position for complete exposure during processing.

    12 pieces per carton

    Learn More
  22. Peel-A-Way® Disposable Embedding Molds Sampler Pack

    Peel-A-Way® Disposable Embedding Molds Sampler Pack

    Starting at: $29.00

    Easy to use and saves time - Unique design will Peel-A-Way from a solidified embedded block. There is no need for trimming. Can be used with Micro-Cut paraffin, JB-4, GMA, Osteo-Bed and MMA embedding resins.

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  23. Peel-A-Way® Embedding Mold (Square - S22)

    Peel-A-Way® Embedding Mold (Square - S22)

    Starting at: $159.00

    Disposable paraffin molds designed to "Peel-A-Way" from the solidified embedded block.

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  24. Peel-A-Way® Embedding Mold (Rectangular - R30)

    Peel-A-Way® Embedding Mold (Rectangular - R30)

    Starting at: $159.00

    Disposable paraffin molds designed to "Peel-A-Way" from the solidified embedded block.

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  25. Peel-A-Way® Embedding Mold  (Rectangular - R40)

    Peel-A-Way® Embedding Mold (Rectangular - R40)

    Starting at: $159.00

    Disposable paraffin molds designed to "Peel-A-Way" from the solidified embedded block.

    Learn More
  26. Peel-A-Way® Embedding Mold (Truncated - T8)

    Peel-A-Way® Embedding Mold (Truncated - T8)

    Starting at: $159.00

    Disposable paraffin molds designed to "Peel-A-Way" from the solidified embedded block.

    Learn More
  27. Peel-A-Way® Embedding Mold (Truncated - T12)

    Peel-A-Way® Embedding Mold (Truncated - T12)

    Starting at: $159.00

    Disposable paraffin molds designed to "Peel-A-Way" from the solidified embedded block.

    Learn More
  28. Peel-A-Way Slide Grip SG-5 (Microscope Slide Holder)

    Peel-A-Way Slide Grip SG-5 (Microscope Slide Holder)

    Starting at: $65.00

    Microscope slide holders constructed of durable plastic. These grips fit any Coplin jar or our Polyjars - Cat. #08415

    • Chemical and solvent resistant
    • Capable of withstanding temperatures up to 80º C

    6 grips per case.

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  29. Glass Slide Holder

    Glass Slide Holder

    Starting at: $29.00

    Time saving adjunct to frozen section staining, special staining, immunostaining procedures "from beginning to end."

    Learn More
  30. Microscope Slide Mailing Tubes

    Microscope Slide Mailing Tubes

    Starting at: $31.00

    Polypropylene tubes to hold 1-4 slides. Can be used to mail slides and to store small numbers of slides. Also these mailing tubes can be used as miniature Coplin jars to dip slides in photographic emulsion for autoradiography. The advantage of using these jars with emulsion is that they require only a small amount of emulsion, they are disposable, and you don't have to worry about cross-contamination from one batch of emulsion to the next.

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  31. Microscope Slide Storage Box, Plastic small box

    Microscope Slide Storage Box, Plastic small box

    Starting at: $22.00

    Holds 25 slides (slide saver).

    Learn More
  32. Microscope Slide Storage Box, Plastic large box

    Microscope Slide Storage Box, Plastic large box

    Starting at: $36.00

    Holds 100 (slide saver).

    Learn More
  33. Coplin Staining Jar

    Coplin Staining Jar

    Starting at: $68.00

    Unbreakable, translucent plastic, stain resistant and chemically inert. Larger opening than classic Coplin staining jar for more convenient slide staining.

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  34. Microscope Slide Holder Block

    Microscope Slide Holder Block

    Starting at: $113.00

    Our durable, chemically resistant polyethylene Microscope Slide Holder Block will accommodate up to 40 separate 3"x1" microscope slides. Angled slide holder slots permit ease of access to individual slides and rapid viewing of slide labels. The polymer composition of the block resists staining and washes clean with ethanol or isopropanol or other organic solvents.

    Slides not included.

    Learn More
  35. Microscope Slide Temporary Storage Tray

    Microscope Slide Temporary Storage Tray

    Starting at: $22.00

    Has a capacity of 20 microscope slides which are stored in a horizontal position for full visibility. The white background makes it easy to distinguish dyes & stains. Finger cut-outs simplify removal of slides.

    Dimensions: 7½” x 13½”

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  36. Microscope Slide Storage Cabinet Base Unit

    Microscope Slide Storage Cabinet Base Unit

    Starting at: $331.00

    The base unit has rubber feet to prevent scratching the bench surface and supports a stackable six-drawer cabinet (sold separately) accommodating up to 5000 3” x 1” glass slides.

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  37. Microscope Slide Storage Cabinet

    Microscope Slide Storage Cabinet

    Starting at: $209.00

    A stackable six-drawer cabinet accommodating up to 5000 3” x 1” glass slides. The base unit (sold separately) has rubber feet to prevent scratching the bench surface. There are removable drawers for easy handling & transport. The rail suspension design prevents drawers from being accidentally pulled out & spilling the contents. Sponge blocks are provided to support slides in partially filled drawers.

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  38. Ultra Low Viscosity Embedding Kit

    Ultra Low Viscosity Embedding Kit

    Starting at: $224.00

    ERL-4221 is useful for rapid embedding of materials which are difficult to infiltrate even with Spurr’s resin. Exhibits good sectioning qualities, beam stability, and staining properties. Miscible with alcohol or acetone so propylene oxide can be avoided.

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  39. Osmium tetroxide, 2% solution - 10 x 2ml

    Osmium tetroxide, 2% solution - 10 x 2ml

    Starting at: $84.00

    Post fix and stain for E.M. Microfiltered solution in pre-scored sealed ampoules with each ampoule having its own ampoule cracker.

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  40. Osmium tetroxide, 2% solution - 10 x 5ml

    Osmium tetroxide, 2% solution - 10 x 5ml

    Starting at: $153.00

    Post fix and stain for E.M. Microfiltered solution in pre-scored sealed ampoules with each ampoule having its own ampoule cracker.

    Learn More
  41. Osmium tetroxide, 4% solution - 20 x 2ml

    Osmium tetroxide, 4% solution - 20 x 2ml

    Starting at: $238.00

    Post fix and stain for E.M. The solution is microfiltered and features exact concentration, no cross contamination, and has excellent stability when kept cold and in the dark. Supplied in pre-scored sealed ampoules with each ampoule having its own ampoule cracker. Used for post staining of DAB/peroxidase to darken and retain stain for long term storage.

    Learn More
  42. Osmium tetroxide, 4% solution - 5 x 10ml

    Osmium tetroxide, 4% solution - 5 x 10ml

    Starting at: $236.00

    Post fix and stain for E.M. The solution is microfiltered and features exact concentration, no cross contamination, and has excellent stability when kept cold and in the dark. Supplied in pre-scored sealed ampoules with each ampoule having its own ampoule cracker. Used for post staining of DAB/peroxidase to darken and retain stain for long term storage,

    Learn More
  43. Osmium tetroxide, crystalline, 99.95% - 10x1/4g

    Osmium tetroxide, crystalline, 99.95% - 10x1/4g

    Starting at: $306.00

    Post fix and stain for E.M. Supplied in pre-scored ampoules sealed in plastic bags. The ampoules are label free to avoid cleaning prior to preparation of solutions. Each ampoule is equipped with an ampoule cracker.

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  44. Osmium tetroxide, crystalline, 99.95% - 5x1g

    Osmium tetroxide, crystalline, 99.95% - 5x1g

    Starting at: $507.00

    Post fix and stain for E.M. Supplied in pre-scored ampoules sealed in plastic bags. The ampoules are label free to avoid cleaning prior to preparation of solutions. Each ampoule is equipped with an ampoule cracker.

    Learn More
  45. Osmium tetroxide, crystalline, 99.95% - 10x1/2g

    Osmium tetroxide, crystalline, 99.95% - 10x1/2g

    Starting at: $552.00

    Post fix and stain for E.M. Supplied in pre-scored ampoules sealed in plastic bags. The ampoules are label free to avoid cleaning prior to preparation of solutions. Each ampoule is equipped with an ampoule cracker.

    Learn More
  46. Osmium tetroxide, 4% solution - 20 x 10ml

    Osmium tetroxide, 4% solution - 20 x 10ml

    Starting at: $923.00

    Post fix and stain for E.M. The solution is microfiltered and features exact concentration, no cross contamination, and has excellent stability when kept cold and in the dark. Supplied in pre-scored sealed ampoules with each ampoule having its own ampoule cracker. Used for post staining of DAB/peroxidase to darken and retain stain for long term storage,

    Learn More
  47. Osmium tetroxide, crystalline, 99.95% - 10x1g

    Osmium tetroxide, crystalline, 99.95% - 10x1g

    Starting at: $945.00

    Post fix and stain for E.M. Supplied in pre-scored ampoules sealed in plastic bags. The ampoules are label free to avoid cleaning prior to preparation of solutions. Each ampoule is equipped with an ampoule cracker.

    Learn More
  48. Neat Stain Slide Holder

    Neat Stain Slide Holder

    Starting at: $16.00

    Durable slide holder. Adjusts to hold 2-5 slides for easy processing.

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  49. Black Lid for StainTray™ Slide Staining System (10 Slide Capacity)

    Black Lid for StainTray™ Slide Staining System (10 Slide Capacity)

    Starting at: $73.00

    Black lid for use with the 10-slide StainTray™ base. Made of ABS with a temperature range of -80° C to 80° C. Excellent for fluorescent work. Do not use acetone.

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  50. StainTray™ Slide Staining System - Base with Black Lid (10 Slide Capacity)

    StainTray™ Slide Staining System - Base with Black Lid (10 Slide Capacity)

    Starting at: $204.00

    Another user friendly approach to immunohisto-chemistry staining. This tray is also suitable not only for routine staining requiring a humid chamber but is also ideal for Hematology, Cytology and Microbiology laboratories. Manipulation is made safe and easy by using only one hand. The StainTray™ has a black base made of tough ABS plastic withstanding a wide range of chemicals ( Avoid chlorinated hydrocarbons ). 

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