Luminescent heterodiamondoids as biological labels
First Claim
1. A biological label comprising at least one luminescent color center, the color center comprising a nitrogen heteroatom substitutionally positioned on a diamondoid lattice site adjacent to at least one vacancy or pore.
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Abstract
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 incident excitation radiation, color center(s) located within the heterodiamondoid are caused to luminesce. The photoemitted light may be detected and analyzed to yield information about the analyte. The color centers in the heterodiamondoid 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.
110 Citations
40 Claims
- 1. A biological label comprising at least one luminescent color center, the color center comprising a nitrogen heteroatom substitutionally positioned on a diamondoid lattice site adjacent to at least one vacancy or pore.
- 5. A biological label comprising at least one optically active dopant inserted into a diamondoid-containing material.
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29. A method of detecting a target analyte, the method comprising the steps of:
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a) providing a heterodiamondoid-containing probe;
b) binding the heterodiamondoid-containing probe to the target analyte, thus creating a biological label;
c) exciting the biological label with energy such that the biological label is caused to luminesce; and
d) detecting light emitted from the excited biological label. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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Specification