Phagocytosis Assay Kit (Red Zymosan) (BN00652)

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  • Phagocytosis Assay Kit (Red Zymosan) (BN00652)
  • Phagocytosis Assay Kit (Red Zymosan) (BN00652)
  • Phagocytosis Assay Kit (Red Zymosan) (BN00652)


ELISA Kit Technical ManualMSDS

Phagocytosis Assay Kit (Red Zymosan)

Phagocytosis in mammals serves as an important first line defense mechanism against invading pathogens. It is also essential for continuous clearance of dying cells, tissue remodeling, and acquisition of nutrients for some cells. Phagocytosis is a specific form of endocytosis initiated by recognition and binding of foreign particles by cell surface receptors, followed by their engulfment, and formation of phagosomes. Maturing phagosomes transform to phagolysosomes which destroy the pathogen through enzymes and toxic peroxides. Zymosan prepared from yeast cell wall (Saccharomyces cerevisiae), and consisting of protein-carbohydrate complexes is frequently used as a pathogen in phagocytosis assays. Assay Genie's Phagocytosis Assay Kit (Green Zymosan) utilizes pre-labeled Zymosan particles as a tool for rapid and accurate detection and quantification of in vitro phagocytosis by fluorescent microscope, spectrophotometer or flow cytometry. Our kit provides a robust screening system for activators and/or inhibitors of phagocytosis and Toll-like receptors ligands (TLR).

Figure: J774 macrophages were seeded overnight at 5 x 10 5 of viable cells/well. The next day the cells were pretreated with 20 µM Cytochalasin D for 1 h at 37ºC prior to addition of 5 µl of Zymosan particles. Phagocytosis was conducted for 2 hours and the amount of engulfed Zymosan was determined as described in the Assay Protocol. (I) Inhibition of phagocytosis. Panel A and B: images of non- treated cells. Panel C and D: treatment with Cytochalasin D. (II) Flow cytometry plot. Black line: untreated control cells; red line: macrophages with engulfed Zymosan particles; blue line: inhibition of phagocytosis by Cytochalasin D. (III) Zymosan Standard curve. The following figures demonstrate typical results with the Phagocytosis Assay Kit (Red Zymosan). These data is for reference only and should not be used to interpret actual results. Your data will depend on the cell type and tested compound.

Key Information Description

Product SKU



100 assays

Detection Method

Fluorescence (Ex/Em = 540/570 nm)

Species Reactivity



  • Rapid detection, quantification and validation of phagocytosis in convenient 96-well format
  • Tracking ligand internalization and screening for effectors of phagocytosis

Features and Benefits

  • Simple & Rapid Protocol
  • Convenient: Non-Radioactive, no special handling or disposal required
  • High-Throughput Accurate: reproducible results with low intra & inter assay variability

Kit Components

  • Phagocytosis Assay Buffer
  • Red Zymosan
  • 10X Quenching Solution

Storage Conditions


Shipping Conditions

Gel Pack


For Research Use Only! Not For Use in Humans.

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Additional Information

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