Search Results - "Tonkopi, E."

Dissolution behaviour and imageability of ternary borate glasses for use in geniculate artery embolization by Manchester, R. A., Todorova, T. Z., Tonkopi, E., Kelly, B., Gosse, J., Davis, C., Brewer, K., Shymka, M., Boyd, D.

“…Sixteen borate glass compositions comprising K 2 O and SrO were screened, using a design of mixtures approach, to model compositional effects on dissolution,…”
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Predicting the thermal responses and radiopacity of multicomponent zinc–silicate bioglasses: A focus on ZnO, La2O3, SiO2 and TiO2 by Kehoe, S., Tonkopi, E., Abraham, R.J., Boyd, D.

“…Regression surface modeling has been applied to examine and predict the network connectivity (NC), thermal properties and radiopacity of a series of La2O3–TiO2…”
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A multi institutional comparison of imaging dose and technique protocols for neonatal chest radiography by Gunn, C., O'Brien, K., Fosså, K., Tonkopi, E., Lanca, L., Martins, C.T., Muller, H., Friedrich-Nel, H., Abdolell, M., Johansen, S.

“…The focus on paediatric radiation dose reduction supports reevaluation of paediatric imaging protocols. This is particularly important in the neonates where…”
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Synthesis and evaluation of a pre-loaded drug eluting radiopaque composite embolic microsphere (CEM) for transarterial chemoembolization (TACE) by Kilcup, N, Kehoe, S, Tonkopi, E, Abraham, R, Boyd, D

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Magnetic resonance imaging characteristics of imageable embolic microspheres by Abraham, R, Basseri, H, Davis, C, Tonkopi, E, Kehoe, S, Boyd, D, Bowen, C

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Effects of γ-irradiation and accelerated aging on composition-structure–property relationships for radiopaque embolic microspheres by Kehoe, S., Looney, M., Kilcup, N., Tonkopi, E., Daly, C., Abraham, R.J., Boyd, D.

“…Si–Ca–Zn–La–Ti–Mg–Sr–Na glasses have demonstrated excellent biocompatibility both in vitro using the MTT/LDH assays (with L929 mouse fibroblast cells and human…”
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Abstract No. 74: Novel radiopaque embolic agent for uterine fibroid embolization: determination of radiopacity and biological evaluation; cytocompatibility, intracutaneous reactivity and local effects after implantation by Kehoe, S, Abraham, R, Tonkopi, E, Boyd, D

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SU‐E‐I‐100: Establishment of Local Diagnostic Reference Levels for Typical Fluoroscopic Procedures by Tonkopi, E, Gale, M, Schofield, S, VanLarkin, J

“…Purpose: Diagnostic reference levels (DRLs) represent an efficient criterion for radiation protection of patients and for procedure optimization. The aim of…”
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SU‐E‐I‐156: CT Dose in Pediatric PET/CT Examinations by Tonkopi, E, Ross, A, MacDonald, A

“…Purpose: To optimize CT protocols for pediatric whole‐body PET/CT examination and to evaluate radiation dose. Methods: We developed pediatric whole‐body CT…”
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WE‐E‐201C‐08: CT Radiation Dose Optimization in Whole‐Body PET/CT Examination by Tonkopi, E, Ross, A, MacDonald, A

“…Purpose: To assess radiation dose from CT component in whole‐body PET/CT examinations, and to evaluate the effect of protocol optimization on image quality…”
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Sci—Fri AM(1): Imaging—05: Setting Local Diagnostic Reference Levels by Daniels, C, Sorrhaindo, V, Gale, J, Schofield, S, Tonkopi, E

“…OBJECTIVE To establish local diagnostic reference levels (DRLs) for typical radiographic examinations in a fully digital imaging institution, and to compare…”
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MO‐E‐T‐617‐06: Influence of Ion Chamber Response On In‐Air Profile Measurements in Megavoltage Photon Beams by Tonkopi, E, McEwen, M, Kawrakow, I

“…Purpose: To investigate the influence of the ion chamber response including build‐up cap materials, on the measurements of in‐air off‐axis ratio (OAR) profiles…”
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Influence of ion chamber response on in-air profile measurements in megavoltage photon beams by Tonkopi, E., McEwen, M. R., Walters, B. R. B., Kawrakow, I.

“…This article presents an investigation of the influence of the ion chamber response, including buildup caps, on the measurement of in-air off-axis ratio (OAR)…”
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SU‐GG‐I‐135: Average CT in Colorectal Cancer PET Studies by Tonkopi, E, Chi, P, Mawlawi, O, Riegel, A, Rohren, E, Macapinlac, H, Pan, T

“…Purpose: To assess the effect of average CT (ACT) used for attenuation correction of PET data on SUVmax and gross tumor volume (GTV) in liver lesions of…”
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SU‐FF‐I‐99: Effect of Average CT On Quantifying PET Imaging in Esophageal Cancer by Tonkopi, E, Mawlawi, O, Chi, P, Yeung, H, Macapinlac, H, Pan, T

“…Purpose: To quantify the effect of average CT (ACT) on improving the registration of the PET and CT data (Pan et al, JNM 05) in a prospective study of…”
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SU-F-I-72: Evaluation of the Ancillary Lead Shielding for Optimizing Radiation Protection in the Interventional Radiology Department by Tonkopi, E, Lightfoot, C, LeBlanc, E

“…Purpose: The rising complexity of interventional fluoroscopic procedures has resulted in an increase of occupational radiation exposures in the interventional…”
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SU‐E‐I‐33: Establishment of CT Diagnostic Reference Levels in Province Nova Scotia by Tonkopi, E, Abdolell, M, Duffy, S

“…Purpose: To evaluate patient radiation dose from the most frequently performed CT examinations and to establish provincial diagnostic reference levels (DRLs)…”
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Multi-modal imageability and degradation characteristics of high-borate glass systems for transient embolization by Doucet, J., Tonkopi, E., Nuschke, A., Tremblay, M.L., Brewer, K., Beyea, S., Filiaggi, M., Abraham, R., Werner-Zwanziger, U., Boyd, D.

“…Two glass series were developed based on the substitution of a monovalent glass modifier for a di- or trivalent ion in a high borate glass system. The BRS…”
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Abstract No. 531 Novel radiopaque Yttrium-90 glass microspheres in a porcine model: clinical potential for real-time targeting and dosimetry by Henry, C., Tonkopi, E., O’Connell, K., Westcott, M., Lewandowski, R., Liu, D., Boyd, D., Kehoe, S., Gregoire, M., Mawko, G., Kappadath, S., Syme, A., Abraham, R.

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2:24 PM; Abstract No. 52 - Synthesis and evaluation of a pre-loaded drug eluting radiopaque composite embolic microsphere (CEM) for transarterial chemoembolization (TACE) by Kilcup, N., Kehoe, S., Tonkopi, E., Abraham, R., Boyd, D.

“…To synthesize and optimize an intrinsically radiopaque CEM for controlled release of doxorubicin (DOX) in TACE. CEMs incorporating a radiopaque inorganic glass…”
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