Nondestructive analysis of dielectric properties: Application to ion beam irradiated tissue response microfibre

Article type: Research Article

Authors: Mallick, Biswajit^;

Affiliations: Institute of Physics, Bhubaneswar, India

Note: [] Address for correspondence: Biswajit Mallick, Ion Beam Laboratory, Institute of Physics, Bhubaneswar 751005, India. Tel.: +91 943 7081506; Fax: +91 674 2300142; E-mail: [email protected]

Abstract: The aim of this work was to investigate the effect of 2.4 MeV proton irradiation on the dielectric property of polyethylene terephthalate (PET) microfibre nondestructively. The dielectric constant εd of single-microfibre has been measured as-such applying laser diffraction technique. Applying this methodology εd is found out to be slightly increases with proton fluence except at the fluence 1013 p/cm2 where material shows maximum crosslinking. The variations of the biological interaction with εd of PET material are correlated. Proton beam modified PET microfibre is therefore accepted to have further potential applications in radiation processing tissue response microfibre, fabrication of medical devices etc.

Keywords: PET microfiber, ion beam irradiation, dielectric constant, biological activity, fluence

DOI: 10.3233/BME-130947

Journal: Bio-Medical Materials and Engineering, vol. 24, no. 2, pp. 1425-1432, 2014