Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Articles Article Faculty Publications -Articles Dublin Core The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/. Title A name given to the resource Synthetic polymer hydrogels as potential tissue phantoms in radiation therapy and dosimetry Description An account of the resource The efficacy of synthetic polymers as hydrogel phantoms for radiation therapy and dosimetry has been investigated for photon and charged particle (electron, proton and alpha particle) interactions. Tissue equivalence has been studied in terms of photon mass energy-absorption coefficients, KERMA (kinetic energy released per unit mass), equivalent atomic number and energy absorption build-up factors, relative to human tissues (skin, soft tissue, cortical bone and skeletal muscle), in the energy range 0.015-15 MeV. For charged particle interactions, ratio of effective atomic number is examined for tissue-equivalence in the energy region of 10 keV-1 GeV. Well established theoretical formulations are used for computation of photon mass-energy absorption effective atomic number, electron density and KERMA. Five-parameter geometric progression (G-P) fitting approximation is used to compute the values of energy absorption build-up factors. Effective atomic number for charged particle interaction is determined using logarithmic interpolation method. Using the analytical methodology, it has been revealed that all the selected synthetic polymers have good tissue-equivalence relative to all tissue except cortical bone. In particular, polyglycolic acid (PGA) and poly-lactic-co-glycolic acid (PLGA) prove to be best substitute material for photon interactions. On the other hand, % difference between effective atomic number for charged particle relative to human tissues is found least for polyethylene glycol (PEG) demonstrating adequate tissue-equivalence. Therefore, the present study is expected to be useful to choose most appropriate phantom material for radiation therapy. 2020 IOP Publishing Ltd. Creator An entity primarily responsible for making the resource Prabhu S.; Bubbly S.G.; Gudennavar S.B. Source A related resource from which the described resource is derived Biomedical Physics and Engineering Express, Vol-6, No. 5 Publisher An entity responsible for making the resource available Institute of Physics Date A point or period of time associated with an event in the lifecycle of the resource 2020-01-01 Identifier An unambiguous reference to the resource within a given context <a href="https://doi.org/10.1088/2057-1976/aba209" target="_blank" rel="noreferrer noopener">https://doi.org/10.1088/2057-1976/aba209</a> <br /><br /><a href="https://www.scopus.com/inward/record.uri?eid=2-s2.0-85091275792&amp;doi=10.1088%2F2057-1976%2Faba209&amp;partnerID=40&amp;md5=859c8497670f5124a54ebb766560b283" target="_blank" rel="noreferrer noopener">https://www.scopus.com/inward/record.uri?eid=2-s2.0-85091275792&amp;doi=10.1088%2f2057-1976%2faba209&amp;partnerID=40&amp;md5=859c8497670f5124a54ebb766560b283</a> Rights Information about rights held in and over the resource Restricted Access Relation A related resource ISSN: 20571976; PubMed ID: 33444239 Format The file format, physical medium, or dimensions of the resource Online Language A language of the resource English Type The nature or genre of the resource Article Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Prabhu S., Department of Physics and Electronics, Christ (Deemed to Be University), Bangalore Central Campus, Bengaluru,Karnataka, 560029, India; Bubbly S.G., Department of Physics and Electronics, Christ (Deemed to Be University), Bangalore Central Campus, Bengaluru,Karnataka, 560029, India; Gudennavar S.B., Department of Physics and Electronics, Christ (Deemed to Be University), Bangalore Central Campus, Bengaluru,Karnataka, 560029, India