Fluorescent nanodiamond (nitrogen vacancy ~3 ppm NV centers, 140 nm avg. part. size, carboxylic acid functionalized, PEG 3000 coated, 1 mg/mL in deionized water), a biocompatible carbon-based nanomaterial, has interesting properties like excellent photostability, low toxic and facile surface functionalizability. It can be used for a variety of biological applications.
Synonyms: Fluorescent nanoparticles; Nanodiamonds
Application: Nanodiamonds (NDs) containing NV color centres exhibit fluorescence in red/near infra-red (NIR) region. The fluorescence in NDs originates from nitrogen vacancies and, unlike quantum dots and organic dyes, NDs do not photobleach. Fluorescent NDs find applications in background-free imaging, flow cytometry, super-resolution imaging etc. Our PEG coated carboxyl functionalized NDs are well suited for attachment of biomolecules using EDC chemistry. The presence PEG spacer on NDs reduces the steric hindrance among the biomolecules.