A fluorescent-protein spin qubit
Descripción general
Resumen del artículo
This study presents a genetically encodable fluorescent protein, EYFP, as an optically addressable spin qubit for nanoscale magnetic field sensing inside living cells. The researchers demonstrated coherent control and readout of the qubit's spin state at both cryogenic and room temperatures, although with lower contrast at room temperature. They also observed a coherence time of up to 16 microseconds under specific decoupling sequences and expressed the protein in both bacterial and mammalian cells, maintaining its functionality.
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Scientists made a tiny sensor out of a glowing protein to measure magnetic fields inside living cells. This could help us learn more about how cells work and develop new ways to diagnose diseases.
Posibles conflictos de intereses
J.S.F., B.S.S., D.D.A., and P.C.M. are inventors on a pending patent application related to fluorophore-based spin qubits.
Limitaciones identificadas
Explicación de la calificación
This research demonstrates a novel application of fluorescent proteins as qubits, opening up new avenues for biosensing and intracellular measurements. The genetic encodability of the sensor offers a unique advantage for targeted studies. Despite some current limitations like photobleaching and low photon readout, the potential for improvement and the innovative nature of the work warrant a strong rating.
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