Table 1 Relevant parameters for imaging a molecular phantom β-cyclodextrin using NV spin based molecular structure microscope by projection-reconstruction method.
Quantity | Value | ||
|---|---|---|---|
Phantom molecule | Molecule name | β-Cyclodextrin (Cycloheptaamylose) | |
Chemical formula | C42H70O35 | ||
Molecular weight | 1135 g/mol (1.14 kDa) | ||
Molecular size | OD-15 Ǻ and ID- 6 Ǻ | ||
Molecular shape | Toroidal | ||
Proton density | 5.8 × 1028 m−3 (58 protons/nm3) | ||
B0 Field | B0 Field | 500 Gauss | |
1H Larmor | 2128.5 kHz | ||
Encoding | Gradient (magnetic tip) | 3 G/nm @ 100 nm | |
Larmor frequency spread | 30.6 kHz | ||
Spectral resolution (Δf) | 1.28 kHz | ||
Signal B (r.m.s.) | 104–1H @ 7 nm19 | ~400 nT | |
70–1H @ 5 nm | ~94 nT | ||
Signal acquisition time/point | Δf = 1.3 kHz | Δf = 30 kHz23 | |
1H using (XY8)n (SNR = 6)23 | 586 sec | 22 sec | |
+DQC(XY8)n47 | 37 sec | 1.3 sec | |
1 sec | 0.036 sec | ||
Projections | Distinct projections | θ (0°–180°) and φ (0°–180°) | |
Total | 81 [9 × 9] | ||
3D structure acquisition time | ~33 minutes | ||
