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Comparison of Current Technologies That Allow in Situ Analysis of Cancer Biomarkers
| Technologies | Tissue penetration depth | Detection sensitivity | Multiplexing capability | Quantification capability |
|---|---|---|---|---|
| Organic fluorophores | High | Low | Medium | Low |
| Quantum dots | Medium | High | High | High |
| Immunoenzyme assays | High | High | Single parameter | Low |
| Plasmon resonant nanoparticles | Very low | High | High | High |
| Nanogold with silver enhancement | High | High | Single parameter | Low |
