PHOTOLUMINESCENT HETERODIAMONDOIDS AS BIOLOGICAL LABELS

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Novel biological labels are disclosed herein. The label comprises a functionalized heterodiamondoid functioning as a biological probe, the probe having an affinity for a target analyte molecule. Upon absorption of inciden t excitation radiation, color center(s) located within the heterodiamondoid ar e caused to luminesce. The photoemitted light may be detected and analyzed to yield information about the analyte. The color centers in the heterodiamondo id will typically comprise nitrogen-vacancy and/or nitrogen-pore complexes, but may also comprise a dopant impurity atom such as a rare earth or transition metal element.