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Volume 21, Number 2, 2016

An improved neutron autoradiography set-up for 10B concentration measurements in biological samples

Ian Postuma, Silva Bortolussi, Nicoletta Protti, Francesca Ballarini, Piero Bruschi, Laura Ciani, Sandra Ristori, Luigi Panza, Cinzia Ferrari, Laura Cansolino, Saverio Altieri

Summary:

Aim

Boron Neutron Capture Therapy (BNCT) is a binary hadrontherapy which exploits the neutron capture reaction in boron, together with a selective uptake of boronated substances by the neoplastic tissue. There is increasing evidence that future improvements in clinical BNCT will be triggered by the discovery of new boronated compounds, with higher selectivity for the tumor with respect to clinically used sodium borocaptate (BSH) and boronophenylalanine (BPA).

Background

Therefore, a 10B quantification technique for biological samples is needed in order to evaluate the performance of new boronated formulations.

Materials and methods

This article describes an improved neutron autoradiography set-up employing radiation sensitive films where the latent tracks are made visible by proper etching conditions.

Results

Calibration curves for both liquid and tissue samples were obtained.

Conclusions

The obtained calibration curves were adopted to set-up a mechanism to point out boron concentration in the whole sample.

Signature: Rep Pract Oncol Radiother, 2016; 21(2) : 123-128


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Indexed in: EMBASE®, the Excerpta Medica database, the Elsevier BIOBASE (Current Awareness in Biological Sciences) and in the Index Copernicus.

http://www.sciencedirect.com/science/journal/15071367/19/2