Histology & Microscopy

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  1. Epon® Resin 1001F

    Epon® Resin 1001F

    Starting at: $83.00

    (Bisphenol A diglycidyl ether) WPE: 525-550

    Higher MW epoxy resin cured by amine catalyst, used for embedding.

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  2. Epon® Resin 828

    Epon® Resin 828

    Starting at: $117.00

    (Bisphenol A diglycidyl ether) WPE: 185-192

    Epon® Resin 828 is a standard epoxy resin used in formulation, fabrication and fusion technology. Widely used for embedding and potting. When cross-linked or hardened with appropriate amine curing agents, very good mechanical adhesive, dielectric and chemical resistance properties are obtained.

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  3. Dibutyltin dilaurate

    Dibutyltin dilaurate

    Starting at: $133.00

    Catalyst for polymerizing lactide and glycolide and isocyanate reactions.

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  4. Poly(ethylene glycol) distearate 6,000

    Poly(ethylene glycol) distearate 6,000

    Starting at: $79.00

    A removable embedding medium for thin and thick sections. In thicker sections the exterior surface of mitochondria can be observed whereas in resin-embedded thin sections the mitochondria are most frequently observed in a cross section. DGD is used to prepare tissue for immunofluorescent localization of cytoskeletal components. Also used for tissue preparation for in-situ hybridization with nucleic acid probes.

    MW = Molecular weight of PEG.

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  5. Sodium Dodecyl Sulfate (SDS) Anionic Surfactant

    Sodium Dodecyl Sulfate (SDS) Anionic Surfactant

    Starting at: $59.00

    Anionic surfactant, which will decrease polymer bead hydrophobicity and can additionally participate in charge stabilization of the suspension. SDS is a more rigorous surfactant than is commonly used in uncoated polymer bead preparations.

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  6. Poly(oxyethylene) sorbitan monolaurate (Tween 20®)

    Poly(oxyethylene) sorbitan monolaurate (Tween 20®)

    Starting at: $54.00

    Water-soluble surfactant.

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  7. Lowicryl® K4M Polar, Hydrophilic, -35ºC embedding kit

    Lowicryl® K4M Polar, Hydrophilic, -35ºC embedding kit

    Starting at: $550.00

    Lowicryl K kits are polar and therefore hydrophilic. During dehydration and infiltration specimens may be kept partially hydrated since polymerization can occur with up to 5% water. Thus immunolabeling with polar kits results in better preservation of structure and antigenicity and lower background labeling.

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  8. Lowicryl® K11M Polar, Hydrophilic, -60ºC embedding kit

    Lowicryl® K11M Polar, Hydrophilic, -60ºC embedding kit

    Starting at: $543.00

    Lowicryl® K kits are polar and therefore hydrophilic. During dehydration and infiltration specimens may be kept partially hydrated since polymerization can occur with up to 5% water. Thus immunolabeling with polar kits results in better preservation of structure and antigenicity with lower background labeling.

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  9. Flotation Work Station with  8"x 8"x 2 1/4" (Deep Dish)

    Flotation Work Station with 8"x 8"x 2 1/4" (Deep Dish)

    Starting at: $3,106.00

    Flotation Work Station™, microprocessor controlled w/removable deep glass dish 8" x 8"x2 1/4".

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  10. Spurr Low Viscosity Embedding Kit

    Spurr Low Viscosity Embedding Kit

    Starting at: $106.00

    Exceptional penetration for tissue, mineral, and dense structures. A low viscosity of 60cps allows easy penetration into a variety of difficult materials. May be used to prepare mineral specimens for polishing.

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  11. Embedding Mold, Polyethylene, Light Microscopy - 12mm x 8mm

    Embedding Mold, Polyethylene, Light Microscopy - 12mm x 8mm

    Starting at: $91.00

    For JB-4, JB-4 Plus, Immunobed, LR-White, LR-Gold or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs.

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  12. Embedding Molds, Polyethylene, Light Microscopy - 16mm x 8mm

    Embedding Molds, Polyethylene, Light Microscopy - 16mm x 8mm

    Starting at: $91.00

    Polysciences offers an extensive line of embedding molds for a large variety of histological and general microscopy applications. If you need help in selecting the best mold for your applications, please call us for a suggestion.

    For JB-4, JB-4+, Immunobed, LR-White, LR-Gold, or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs.

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  13. Embedding Molds, Polyethylene, Light Microscopy - 19mm x 13mm

    Embedding Molds, Polyethylene, Light Microscopy - 19mm x 13mm

    Starting at: $122.00

    For JB-4, JB-4 Plus, Immunobed, LR-White, LR-Gold or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs.

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  14. Embedding Mold Trays

    Embedding Mold Trays

    Starting at: $291.00

    Polysciences offers an extensive line of embedding molds for a large variety of histological and general microscopy applications. If you need help in selecting the best mold for your applications, please call us for a suggestion.

    For JB-4, JB-4+, Immunobed, LR-White, LR-Gold, or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs.

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  15. Embedding Stubs, Polyethylene, Light Microscopy - 10mm thick

    Embedding Stubs, Polyethylene, Light Microscopy - 10mm thick

    Starting at: $302.00

    For JB-4, JB-4+, Immunobed, LR-White, LR-Gold, or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs

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  16. Embedding Stubs, Polyethylene, Light Microscopy - 4mm thin

    Embedding Stubs, Polyethylene, Light Microscopy - 4mm thin

    Starting at: $388.00

    For JB-4, JB-4+, Immunobed, LR-White, LR-Gold, or Paraffin embedding. This is an embedding system of reusable molds and trays with colored stubs.

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  17. Polyethylene Molding Cup Trays, 6x12x5mm (20 cavities)

    Polyethylene Molding Cup Trays, 6x12x5mm (20 cavities)

    Starting at: $60.00

    Light-weight, durable plastic trays, ideal for resin molding specimen blocks with JB-4 and other resins. Use in conjunction with Polysciences' popular block holders and chucks.

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  18. Polyethylene Molding Cup Trays, 2x15x5mm (9 cavities)

    Polyethylene Molding Cup Trays, 2x15x5mm (9 cavities)

    Starting at: $73.00

    Light-weight, durable plastic trays, ideal for resin molding specimen blocks with JB-4 and other resins. Used in conjunction with Polysciences' popular and inexpensive block holders and chucks.

    Set of 3 - 2 x15x5mm (9 cavities)

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  19. Polyethylene Molding Cup Trays, 13x19x5mm (9 cavities)

    Polyethylene Molding Cup Trays, 13x19x5mm (9 cavities)

    Starting at: $73.00

    Light-weight, durable plastic trays, ideal for resin molding specimen blocks with JB-4 and other resins. Used in conjunction with Polysciences' popular and inexpensive block holders and chucks.

    Set of 3 - 13x19x5mm (9 cavaties)

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  20. Polyethylene Molding Cup Trays, 6x8x5mm hexagon (9 cavities)

    Polyethylene Molding Cup Trays, 6x8x5mm hexagon (9 cavities)

    Starting at: $73.00

    Light-weight, durable plastic trays, ideal for resin molding specimen blocks with JB-4 and other resins. Used in conjunction with Polysciences' popular block holders and chucks.

    Set of 3 - 6mm x 8mm x 5mm hexagon (9 cavities)

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  21. Formaldehyde 37%, U.S.P.

    Formaldehyde 37%, U.S.P.

    Starting at: $95.00

    Special handling charge & carrier surcharges.

    Formalin 100%

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  22. Zinc Formalin Fixative, pH 6.25

    Zinc Formalin Fixative, pH 6.25

    Starting at: $78.00

    Excellent morphological preservation of nuclear & cytoplasmic components. Can replace neutral buffered formalin for routine tissue and immunohistochemical procedures. Non-precipitating fixative which can be used with automated and manual methods.

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  23. Flow Fix, 2% Paraformaldehyde Fixative Kit

    Flow Fix, 2% Paraformaldehyde Fixative Kit

    Starting at: $56.00

    Flow Fix, 2% Paraformaldehyde Fixation Buffer is a sodium azide free buffer comprised of a neutral pH-buffered saline (i.e., Dulbecco's Phosphate-Buffered Saline) that contains 2% 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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  24. L.A.B. Solution (Liberate Antibody Binding Solution)

    L.A.B. Solution (Liberate Antibody Binding Solution)

    Starting at: $67.00

    L.A.B. Solution liberates your antibody binding sites for improved immunohistochemical (IHC) staining.

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  25. Lithium Blue

    Lithium Blue

    Starting at: $116.00

    Polysciences, Inc. Lithium Blue is a gentle yet rapid formulation for bluing hematoxylins in only 5 minutes. Lithium Blue is buffered at an alkalinity of (pH = 8.0)

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  26. Microscope Slides, Plain

    Microscope Slides, Plain

    Starting at: $40.00

    Made of high quality glass guaranteed to be precleaned. The slides are ground smooth and free of sharp cutting edges.

    72 slides per box.

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  27. Super Frosted Microscope Slides

    Super Frosted Microscope Slides

    Starting at: $46.00

    These slides have a special coating impervious to processing reagents, which allows for more permanent marking.

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  28. Control Slides

    Control Slides

    Starting at: $60.00

    Slide allows the control specimen and the patient’s specimen to be on the same slide with positive identification of both specimens. Identical Patient and Control stain procedures. Slide has a frosted end for easy marking and special coating for enhanced sample adhesion to the slide.

    72 slides per box

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  29. Microscope Slides, Immunofluorescence

    Microscope Slides, Immunofluorescence

    Starting at: $168.00

    These slides have a durable teflon coating that is acetone-resistant, autoclavable and hydrophobic. Slides are 1” x 3” (25mm x 75mm), 1mm thick and are useful for all fluorescent materials. These glass slides have ten 6mm wells and are frosted on one end for easy labeling.

    100 slides per box

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  30. Paraformaldehyde EM Grade

    Paraformaldehyde EM Grade

    Starting at: $15.00

    Paraformaldehyde depolymerizes in water to formaldehyde solution yielding consistent quality fixative solutions. To achieve a strong solution, raise the temperature of the water to 60ºC then add sodium hydroxide solution dropwise.

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  31. Formaldehyde-10%-methanol free-Ultra Pure

    Formaldehyde, 10%, methanol free, Ultra Pure

    Starting at: $121.00

    Suitable for both electron and light microscopy. Easily penetrates large blocks of tissue. When used in combination with glutaraldehyde, it fixes delicate tissues such as brain in vascular perfusion. Avoids the problem of having to depolymerize paraformaldehyde. Used in Karnovsky's fixative in conjunction with your own buffer system. Source of the formaldehyde is paraformaldehyde.

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  32. Hematoxylin, C.I. 75290, certified (Natural black 1)

    Hematoxylin, C.I. 75290, certified (Natural black 1)

    Starting at: $85.00

    Nuclear protein stain and glycogen stain. Also a general tissue stain for human, animal and VIR histology.

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  33. Eosin Y, 1% alcoholic solution, Non-Acidic | Polysciences, Inc.

    Eosin Y, 1% alcoholic solution, Non-Acidic

    Starting at: $54.00

    Contains no acetic acid. Used as counterstain with hematoxylin. Ready to use with any automated stainer.

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  34. Eosin Y, 0.5% alcoholic solution, Acidic | Polysciences, Inc.

    Eosin Y, 0.5% alcoholic solution, Acidic

    Starting at: $38.00

    Used as counterstain with hematoxylin; contains acetic acid. Does not contain isopropanol or methanol. Ready to use with any automated stainer.

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  35. Formalin, 10% neutral buffered (phosphate buffer) | Polysciences, Inc.

    Formalin, 10% neutral buffered (phosphate buffer)

    Starting at: $100.00

    Widely used fixative for processing tissues in routine histology laboratories. Used for IHC in the clinical laboratory for paraffin embedded tissues.

    Volume of the fixative should be 15-20 times that of the tissue.

    (Formaldehyde 3.7%)

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  36. Gill’s modified OG-6

    Gill’s modified OG-6

    Starting at: $31.00

    OG-6 is a cytoplasmic counterstain solution used in sequence with EA (EA 50, EA 65 or EA36) in the Papanicolaou staining method for clinical cytology. Gill’s modified OG-6 is stable in solution and gives predictable high quality staining results not previously possible with other formulations.

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  37. Gill’s modified EA

    Gill’s modified EA

    Starting at: $34.00

    Orange-6 and EA are the two cytoplasmic counterstain solutions that are used sequentially in the Papanicolaou staining method for clinical cytology. Gill’s modified OG-6 and EA are stable in solution and give predictable high quality staining results not previously possible with other formulations.

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  38. Gill's Hematoxylin #1 for Cytology

    Gill's Hematoxylin #1 for Cytology

    Starting at: $40.00

    Polysciences, Inc. Gold Standard Series Hematoxylin and Eosin products offer you the highest quality for routine staining. Strict quality control for all Gold Standard Series Routine Stains ensures lot-to-lot consistency. Stains are packaged in convenient plastic recyclable containers.

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  39. Gill’s Hematoxylin #3, triple strength for Histology

    Gill’s Hematoxylin #3, triple strength for Histology

    Starting at: $44.00

    Gold Standard Gill's #3 is the formulation of choice for routine histological staining when a darker nuclear stain is desired.

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  40. Gill’s Hematoxylin #2, double strength for Histology & Cytology

    Gill’s Hematoxylin #2, double strength for Histology & Cytology

    Starting at: $40.00

    Gold Standard Gill's #2 should be used when a stronger or darker nuclear stain is required for cytology samples or for immunohistochemical counterstaining.

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  41. Harris Hematoxylin, Acidified (mercury-free)

    Harris Hematoxylin, Acidified (mercury-free)

    Starting at: $55.00

    Polysciences, Inc. Gold Standard Series Hematoxylin and Eosin products offer you the highest quality for routine staining. Strict quality control for all Gold Standard Series Routine Stains ensures lot-to-lot consistency. Stains are packaged in convenient plastic recyclable containers.

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  42. Mayers Hematoxylin

    Mayers Hematoxylin

    Starting at: $140.00

    For use in both cytology and histology. General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining. Used as a counterstain for immunohistochemistry procedures.

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  43. Microscope Slides, Micropure

    Microscope Slides, Micropure

    Starting at: $26.00

    Sandblasted slides manufactured with optical quality pure glass. Micropure slides contain 47% less iron than water white slides which allows visualization of true sample colors. Slides have improved hydrolytic resistance leaching/clouding and feature increased wettability.

    25mm x 75mm, 72 slides per box

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  44. Formaldehyde-16%-methanol-free-Ultra-Pure

    Formaldehyde, 16%, methanol free, Ultra Pure

    Starting at: $51.00

    Suitable for both electron and light microscopy. Easily penetrates large blocks of tissue. When used in combination with glutaraldehyde, it fixes delicate tissues such as brain in vascular perfusion. Avoids the problem of having to depolymerize paraformaldehyde. Used in Karnovsky's fixative in conjunction with your own buffer system. Source of the formaldehyde is paraformaldehyde.

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  45. Poly-L-Lysine Coated Microscope Slides

    Poly-L-Lysine Coated Microscope Slides

    Starting at: $55.00

    Slides are coated with Poly-L-Lysine to permit electrostatic coupling of sample to slide. The relative adhesion level permits easier manipulating of samples than with silane coated slides. Use of Poly-L-Lysine Microscope Slides does not affect staining procedures.

    25mm x 75mm x 1mm

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  46. Tissue Tack (+ Charged) Microscope Slides | Polysciences, Inc.

    Tissue Tack (+ Charged) Microscope Slides

    Starting at: $57.00

    Treated with a specially formulated aminoalkylsilane, Tissue Tack slides provide a positively charged surface, which permits instant coupling of negatively charged tissue sections. The resultant bond stands up to the very aggressive solutions used in In-Situ Hybridization procedures. Slides are available with a white label.

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  47. Poly/Bed 502 kit, Luft's Formula
  48. 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

  49. 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

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  50. 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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