Aspartame tablets—gamma dose response and usability for routine radiation processing dosimetry using spectrophotometry

Accident dosimetry aims to evaluate the unplanned radiation doses delivered to individuals through one of the objects exist in the area of the accident. The gamma dose response of free radicals generated in irradiated aspartame tablets and its usability for emergency dosimetry was studied. EPR spectra of unirradiated and irradiated aspartame-based sweetener were recorded. Two signals arise after irradiating, S(1) at g (S(1)) = 2.00229 +/- 0.00097 and S(2) at g (S(2)) = 2.00262 +/- 0.00088. Some EPR parameters were studied for radiation-induced radicals in aspartame sweeteners tablets, such as the microwave saturation behaviour, the effect of magnetic field modulation amplitude on the peak-to-peak height and peak-to-peak line width for both of S(1) and S(2). Responses of S(1) and S(2) to different radiation doses were studied and resulted in linear relationships, radicals persistence curves were plotted over a 49-d storage period. It was found that Aspartame sweeteners tablets are useful in the range from 0.96 to 39.96 Gy. Radiation-induced radicals possess reasonable stability.

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Aspartame tablets—gamma dose response and usability for routine radiation processing dosimetry using spectrophotometry

Cited by 2 publications

References 17 publications

Sensitization of glycine (spectrophotometric read-out) dosimetric system using sorbitol

Sensitization of glycine (spectrophotometric read-out) dosimetric system using sorbitol

Use of aspartame-based sweetener tablets in emergency dosimetry using EPR

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