Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Vadim Y. Kuperman"'
Autor:
Vadim Y. Kuperman, Yücel Altundal
Publikováno v:
Medical physicsREFERENCES.
We describe a new approach to evaluate conformity of dose distributions in radiotherapy.The suggested conformity factor λ is defined by using existing conformity indices and expansion of the planning target volume (PTV). If the average distance (In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95d1d5ef5c69608774659c3cb289692c
https://pubmed.ncbi.nlm.nih.gov/36272439
https://pubmed.ncbi.nlm.nih.gov/36272439
Autor:
Gustavo Figueiredo, Vadim Y. Kuperman
Publikováno v:
Medical Physics. 47:4325-4331
PURPOSE To describe a new similarity index and consider its biomedical applications. METHODS Similarity index for a pair of objects is defined by the number of shared features and total number of features in these objects. Similarity measure for more
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1414e30629b2ae7a4823b018240e040e
https://doi.org/10.1002/mp.14234
https://doi.org/10.1002/mp.14234
Autor:
Vadim Y. Kuperman
Publikováno v:
Medical Physics. 45:3442-3448
PURPOSE To evaluate how protracted delivery of radiation affects radiobiological properties of hypofractionated radiotherapy. METHODS The utilized approach is based on the concept of biologically effective dose (BED). The linear-quadratic model reple
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9942a3c019dc56f4b577403a5c4f5497
https://doi.org/10.1002/mp.12936
https://doi.org/10.1002/mp.12936
Autor:
Greg S. Spradlin, Vadim Y. Kuperman
Publikováno v:
International Journal of Radiation Biology. 89:889-897
Purpose: To investigate the effect of variable dose rate on biologically effective dose (BED). Materials and methods: By using the linear-quadratic (LQ) model with bi-exponential repair, we analytically determine the timedependent dose rate R ~ which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56ce4814bcb8a0407a02a2a03046eb1b
https://doi.org/10.3109/09553002.2013.811308
https://doi.org/10.3109/09553002.2013.811308
Autor:
Battle Ja, Mendoza As, Miles Dt, Charles D Hechtman, Leslie M. Lubich, Vadim Y Kuperman, Oscar F Carbonell, Page Db, Kouskoulas Tn, Brad A Factor
Publikováno v:
Journal of Clinical & Experimental Oncology.
Evaluation of Automatic and Manual Contouring of Cranial Structures Objective: This study evaluates automatic and manual segmentations of cranial structures in iPlan treatment planning system (Brainlab, Munich, Germany). Methods: For the analysis of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63c5d63ad76223470d2478e43088d83b
https://doi.org/10.4172/2324-9110.1000141
https://doi.org/10.4172/2324-9110.1000141
Autor:
Vadim Y. Kuperman
Publikováno v:
Medical Physics. 32:1256-1261
The purpose of this study is to describe and evaluate a new analytical model for Varian enhanced dynamic wedge factors at off-center points. The new model was verified by comparing measured and calculated wedge factors for the standard set of wedge a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c200d158f3594a6de70030396c186033
https://doi.org/10.1118/1.1872532
https://doi.org/10.1118/1.1872532
Autor:
Vadim Y. Kuperman
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 187:15-19
It is shown that energy loss can increase the lateral spread of relativistic particles passing in media through a scatter-independent mechanism. In order to describe this effect of energy loss on the lateral spread of the relativistic particles in co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80a51504f1a293afee28f375c06f4511
https://doi.org/10.1016/s0168-583x(01)00828-x
https://doi.org/10.1016/s0168-583x(01)00828-x
Publikováno v:
Biomedical Physics & Engineering Express. 3:035021
Objective: to investigate the effect of rotation of the Strut-Adjusted Volume Implant (SAVI) device on dose distribution in accelerated partial breast irradiation (APBI). Methods: the required dose distribution in high-dose rate (HDR) partial breast
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67e08a5ffa04fe904fa03ec191699823
https://doi.org/10.1088/2057-1976/aa62ae
https://doi.org/10.1088/2057-1976/aa62ae
Autor:
Vadim Y. Kuperman
Publikováno v:
Medical physics. 28(12)
An analytical model is presented that describes the effects of an applied longitudinal magnetic field and energy loss on the transport of relativistic electrons in a medium. By using a modified Fermi equation we derive analytical solutions for the di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::feb61feee9b0c8b27d050e6c085e6229
https://pubmed.ncbi.nlm.nih.gov/11797956
https://pubmed.ncbi.nlm.nih.gov/11797956
Autor:
Vadim Y Kuperman
Publikováno v:
Physics in Medicine & Biology; Jul2004, Vol. 49 Issue 13, p2841-2851, 11p