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Results: 4

1.
Fig. 3

Fig. 3. From: EPR dosimetry in chemically treated fingernails.

EPR spectra of fingernails treated with dithiothreitol for 20 min after receiving different radiation doses. The spectrum of the sample irradiated with 1 Gy is clearly distinguishable from the unirradiated sample (0 Gy).

A. Romanyukha, et al. Radiat Meas. ;42(6-7):1110-1113.
2.
Fig. 2

Fig. 2. From: EPR dosimetry in chemically treated fingernails.

The dependence of the magnitude of EPR signal on radiation dose with different lengths of time of treatment with dithiothreitol. Uncertainty of the EPR radiation response measurements was determined as standard deviation of the three repeated measurements. The point sizes reflect uncertainties of the measurements.

A. Romanyukha, et al. Radiat Meas. ;42(6-7):1110-1113.
3.
Fig. 1

Fig. 1. From: EPR dosimetry in chemically treated fingernails.

Effect of different chemical treatments (see Table 1 for the abbreviations) on the peak-to-peak amplitude of the MIS. All samples were 15 mg. Sample C × 2 (treated for 5 min with 0.1 M dithiothreitol) was found to have the minimal MIS.

A. Romanyukha, et al. Radiat Meas. ;42(6-7):1110-1113.
4.
Fig. 4

Fig. 4. From: EPR dosimetry in chemically treated fingernails.

Modeling of the dose–response curve after treatment for 20 min with dithiothreitol. The curve is a least-square fit of dose dependence by the Grun model A = Imax(1 − exp(−(D + DE)/D0)), where A is EPR dose response, Imax is maximal EPR dose response (saturation level), D is the dose to be determined, D0 is the characteristic saturation dose, and DE is the “background dose” (DE was determined to be 0.3 Gy).

A. Romanyukha, et al. Radiat Meas. ;42(6-7):1110-1113.

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