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Figure 4 | Journal of Translational Medicine

Figure 4

From: Developing a nanoparticle test for prostate cancer scoring

Figure 4

A mechanistic model to explain the observed difference between normal and prostate cancer samples. Human IgG, either as a monomer or oligomer, causes AuNP cluster formation when adsorbed to the AuNPs. When mixing IgG solution or serum with tumor tissue lysates, the specific binding of tumor-associated molecules with IgG inhibits the crosslinking of the AuNPs, leading to a decreased average nanoparticle size of the assay solution.

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