Science Advances

Supplementary Materials

This PDF file includes:

  • Section SI. NV NMR detection apparatus
  • Section SII. Magnetic field gradient compensation
  • Section SIII. Gradients due to magnetic susceptibility mismatch of sensor components
  • Section SIV. NMR coil magnetometer feedback system
  • Section SV. Microfluidic chip fabrication
  • Section SVI. Sample preparation
  • Section SVII. Microfluidic flow and switch timing
  • Section SVIII. Adiabaticity considerations
  • Section SIX. Optimization of flow rates
  • Section SX. Magnetic field calibration
  • Section SXI. Concentration sensitivity
  • Section SXII. NMR field amplitudes and effective sensing volume
  • Section SXIII. Analytical calculation for heteronuclear COSY
  • Section SXIV. 2D homonuclear COSY of TMP
  • Section SXV. SPINACH simulations and windowing functions for 2D NMR
  • Fig. S1. Magnetostatic modeling of a diamond immersed in water.
  • Fig. S2. Histogram of fitted central frequencies obtained from the NMR coil magnetometer for a typical measurement.
  • Fig. S3. NMR signal strength dependence on flow rate and RF pulse length.
  • Fig. S4. Saturation curve of the NV NMR.
  • Fig. S5. NV NMR spectrum of water.
  • Fig. S6. Nuclear ac magnetic field projection amplitude (integrated across the sensor volume) as a function of water volume.
  • Fig. S7. Experimental homonuclear COSY spectrum of TMP.
  • Table S1. Values of the different J-couplings in a DFB molecule used in the simulation.

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