ImmPRESS®-AP Anti-Goat IgG (alkaline phosphatase) Polymer Detection Kit

Cat. No: MP-5405
Cat. No Unit Size Price Qty
MP-5405-50 50 ml
Price: $431.00
MP-5405-15 15 ml
Price: $164.00



  • High sensitivity
  • Low background
  • One-step detection
  • Micropolymer technology
  • Enhanced accessibility to nuclear and membrane antigens
  • Ready-to-use in a convenient dropper bottle
  • Shorter assay time
  • Simplified multiple labeling

Kit Contents:

  • ImmPRESS-AP (alkaline phosphatase) Polymer Anti-Goat IgG Reagent (ready-to-use)
  • 2.5% Normal Horse Serum for blocking (ready-to-use)

The ImmPRESS (15 ml) Kit will stain approximately 75-150 sections and the ImmPRESS (50 ml) Kit will stain approximately 250-500 sections.

Cat. No. MP-5405
Unit Size 15 ml, 50 ml
Country of Manufacture United States
Applications Immunohistochemistry / Immunocytochemistry, In situ hybridization, ELISAs
Technology Micropolymer Reagents
Detection Enzyme(s) Alkaline Phosphatase
Conjugate Micropolymer AP
Target Species Goat
Format Ready-to-Use

More Information

The ImmPRESS polymerized reporter enzyme staining system uses novel conjugation and micropolymer chemistries to create a highly sensitive, ready-to-use, one-step detection system. This unique micropolymer of highly active enzyme (peroxidase or alkaline phosphatase) is attached to our affinity purified secondary antibodies, producing reagents with outstanding sensitivity and low background.  
The ImmPRESS-AP Alkaline Phosphatase Polymer Reagent micropolymer technology limits steric interference and provides enhanced accessibility to the target avoiding the disadvantages of other polymer systems that use large dextrans or other macromolecules as backbones.  The result is crisp, strong staining of antibody targets, especially nuclear and membrane antigens, and  greater sensitivity than conventional alkaline phosphatase antibody conjugates and other alkaline phosphatase polymer systems for immunohistochemistry and other applications. 

Key advantages of the ImmPRESS Polymer System:

  • High sensitivity
  • Low background
  • Micropolymer technology
  • Enhanced accessibility to nuclear and membrane antigens
  • One-step detection with shorter assay time
  • Ready-to-use in convenient dropper bottle with blocking solution included
  • Simplified multiple labeling

Staining Procedure

The staining procedure is simple as shown in the diagram below. Following a blocking step with the diluted normal horse serum, sections are incubated with primary antibody. After a brief wash, the appropriate ImmPRESS Reagent is added to the sections and incubated for 30 minutes. Sections are again rinsed and the slides are developed with the peroxidase substrate of choice.

ImmPRESS Reagents in Single Labeling

Consider Species Cross-Reactivity

When choosing the optimal detection system for your application, it is important to consider not only the species of the primary antibody but also the species of the tissue. If the species of the primary antibody and the species of the tissue are closely related (e.g. rat and mouse), the secondary antibody may bind to endogenous IgG in the tissue section leading to background. The following options minimize background staining in these instances:

  • Use a secondary antibody specifically adsorbed to remove cross-reacting antibodies of closely-related species (e.g. ImmPRESS Anti-Mouse IgG, Rat Adsorbed).
  • Use the M.O.M.® ImmPRESS Kit (Cat. No. MP-2400) for applications of mouse primary antibodies on mouse tissue.


Learn more about the ImmPRESS Polymer Detection Systems in double labeling.



Safety Information

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