Birefringent Biomineral Microcarriers Stabilise Multimodal Nanodiamond Quantum Sensing in Liquids
An arXiv preprint reports that birefringent biomineral microcarriers can stabilise nanodiamonds containing nitrogen-vacancy centres for quantum sensing in liquid environments. The approach is described as enabling multimodal sensing, addressing issues of aggregation and orientation drift in fluids.
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What this could mean
- 0–2 yearsPlausible
This could enable prolonged NV-centre quantum sensing inside live cells or microfluidic systems where free nanodiamonds tend to aggregate or rotate unpredictably.
If the biomineral microcarriers are biocompatible and can be functionalised for cellular uptake, stabilising nanodiamonds on their surfaces would remove a key barrier to intracellular quantum sensing. The technique appears to address both orientational control and colloidal stability, which are preconditions for reliable measurements in biological fluids.
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