Search Results - "Malkov, Victor"

Monte Carlo study of ionization chamber magnetic field correction factors as a function of angle and beam quality by Malkov, Victor N., Rogers, D. W. O.

“…Purpose To use EGSnrc Monte Carlo simulations for magnetic field dosimetry to determine optimal measurement orientations, calculate beam quality conversion…”
Get full text

Quantifying uncertainties associated with reference dosimetry in an MR-Linac by Iakovenko, Viktor, Keller, Brian, Malkov, Victor N, Sahgal, Arjun, Sarfehnia, Arman

“…Magnetic resonance (MR)-guided radiation therapy provides capabilities to utilize high-resolution and real-time MR imaging before and during treatment, which…”
Get full text

Sensitive volume effects on Monte Carlo calculated ion chamber response in magnetic fields by Malkov, Victor N., Rogers, D. W. O.

“…Purpose The development of magnetic resonance‐guided radiation therapy (MRgRT) necessitates accurate Monte Carlo (MC) models of ion chambers for computing ion…”
Get full text

Synthesis of glycolurils and hydantoins by reaction of urea and 1, 2‐dicarbonyl compounds using etidronic acid as a “green catalyst” by Bakibaev, Abdigali A., Uhov, Artur, Malkov, Victor, Panshina, Svetlana

“…Most of the known methods for the synthesis of heterocyclic compounds have disadvantages, such as a long reaction time and aggressive conditions. We have…”
Get full text

Erratum: Monte Carlo study of ionization chamber magnetic field correction factors as a function of angle and beam quality. [Med. Phys. 45(2) p. 908‐925 (2018)] by Malkov, Victor N., Rogers, David W. O.

Get full text

Monte Carlo simulations of out-of-field surface doses due to the electron streaming effect in orthogonal magnetic fields by Malkov, Victor N, Hackett, Sara L, Wolthaus, Jochem W H, Raaymakers, Bas W, van Asselen, Bram

“…The out-of-field surface dose contribution due to backscattered or ejected electrons, focused by the magnetic field, is evaluated in this work. This electron…”
Get more information

MR‐linac daily semi‐automated end‐to‐end quality control verification by Malkov, Victor N., Winter, Jeff D., Mateescu, Dan, Létourneau, Daniel

“…Purpose Adaptive radiation therapy (ART) on the integrated Elekta Unity magnetic resonance (MR)‐linac requires routine quality assurance to verify delivery…”
Get full text

The Determination of the Biocompatibility of New Compositional Materials, including Carbamide-Containing Heterocycles of Anti-Adhesion Agents for Abdominal Surgery by Kanasheva, Nurdana, Fedorishin, Dmitry A, Lyapunova, Maria V, Bukterov, Mikhail V, Kaidash, Olga A, Bakibaev, Abdigali A, Yerkassov, Rakhmetulla, Mashan, Togzhan, Nesmeyanova, Rimma, Ivanov, Vladimir V, Udut, Elena V, Tuguldurova, Vera P, Salina, Margarita V, Malkov, Victor S, Knyazev, Alexey S

“…Due to traumatic injuries, including those from surgical procedures, adhesions occur in over 50% of cases, necessitating exclusive surgical intervention for…”
Get full text

Synthesis of Novel Phosphorus-Containing Derivatives of 1,3,4-Trimethylglycoluril via the Birum-Oleksyszyn Reaction by Gorbin, Sergey I, Bakibaev, Abdigali A, Tuguldurova, Vera P, Kotov, Andrey V, Sysoev, Gleb O, Potapov, Andrei S, Pavlov, Dmitry I, Malkov, Victor S, Knyazev, Alexey S, Kurgachev, Dmitriy A, Michalchenkov, Mark V

“…This work presents the synthesis of a new compound, 1-[aryl-(diphenylphosphono)methyl]-3,4,6-trimethylglycolurils, via the interaction of benzaldehyde and its…”
Get full text

The Synthesis of a New Glycoluryl-Melamine-Formaldehyde Polymer under the Action of HEDP and the Investigation of the Content of Methylol Groups and Free Formaldehyde by Kanasheva, Nurdana, Ukhov, Arthur, Malkov, Victor S, Gubankov, Alexander, Sergazina, Samal, Issabayeva, Manar A, Mashan, Togzhan, Kolpek, Ainagul, Ryskaliyeva, Roza, Bakibaev, Abdigali, Yerkassov, Rakhmetulla

“…This study outlines a method for preparing a complex involving glycoluril and melamine (GU-ME). The structure of the resultant complex was analyzed using IR…”
Get full text

Monte Carlo simulations of out‐of‐field skin dose due to spiralling contaminant electrons in a perpendicular magnetic field by Malkov, Victor N., Hackett, Sara L., van Asselen, Bram, Raaymakers, Bas W., Wolthaus, Jochem W. H.

“…Purpose The purpose of this study was to evaluate the potential skin dose toxicity contribution of spiralling contaminant electrons (SCE) generated in the air…”
Get full text

Acetaldehyde–Ammonia Interaction: A DFT Study of Reaction Mechanism and Product Identification by Tuguldurova, Vera P, Fateev, Alexander V, Malkov, Victor S, Poleshchuk, Oleg Kh, Vodyankina, Olga V

“…The product of acetaldehyde and ammonia reaction, namely, 2,4,6-trimethyl-1,3,5-hexahydrotriazine trihydrate, was synthesized and identified using a…”
Get full text

Design and feasibility of a flexible, on-body, high impedance coil receive array for a 1.5 T MR-linac by Zijlema, Stefan E, Tijssen, Rob H N, Malkov, Victor N, van Dijk, Luca, Hackett, Sara L, Kok, Jan G M, Lagendijk, Jan J W, van den Berg, Cornelis A T

“…The lack of radiation-attenuating tuning capacitors in high impedance coils (HICs) make HICs an interesting building block of receive arrays for MRI-guided…”
Get more information

Clinical and dosimetric outcomes of image-guided, dose-painted radiotherapy in muscle invasive bladder cancer by Navarro-Domenech, Inmaculada, Arulanantham, Shinthujah, Liu, Zhihui Amy, Tjong, Michael, Kong, Vickie, Malkov, Victor, Tadic, Tony, Fleshner, Neil, Kulkarni, Girish, Zlotta, Alexandre R, Catton, Charles, Berlin, Alejandro, Sridhar, Srikala, Jiang, Di (Maria), Chung, Peter, Raman, Srinivas

“…Purpose/Objective Definitive radiotherapy (RT) is an alternative to radical cystectomy for select patients with muscle invasive bladder cancer (MIBC); however,…”
Get full text

The Study of Structural Features of N- and O-Derivatives of 4,5-Dihydroxyimidazolidine-2-Thione by NMR Spectroscopy and Quantum Chemical Calculations by Kalichkina, Liudmila E., Fateev, Alexander V., Krivolapenko, Polina K., Isakova, Kristina A., Knyazev, Alexey S., Malkov, Victor S., Bakibaev, Abdigali A., Tuguldurova, Vera P.

“…In the present work, the new N-methylol and O-alkyl derivatives of 4,5-dihydroxyimidazolidine-2-thione (DHIT) are synthesized. The effects of N-alkyl,…”
Get full text

Practice-based training strategy for therapist-driven prostate MR-Linac adaptive radiotherapy by Li, Winnie, Padayachee, Jerusha, Navarro, Inmaculada, Winter, Jeff, Dang, Jennifer, Raman, Srinivas, Kong, Vickie, Berlin, Alejandro, Catton, Charles, Glicksman, Rachel, Malkov, Victor, McPartlin, Andrew, Kataki, Kaushik, Lindsay, Patricia, Chung, Peter

“…•Training strategy developed to enable therapist-driven prostate MR-Linac treatment.•A three-phase training strategy was implemented and evaluated in this…”
Get full text

Tetrakis(hydroxymethyl)glycoluril in N-methylenation reactions with arylamines by Panshina, Svetlana Yu, Ponomarenko, Oksana V., Bakibayev, Abdigali А., Malkov, Victor S.

“…This work shows for the first time the use of tetrakis(hydroxymethyl)glycoluril in the melt N -methylenation reactions of arylamines, based on the ability of…”
Get full text

Impact of intrafraction changes in delivered dose of the day for prostate cancer patients treated with stereotactic body radiotherapy via MR-Linac by Dang, Jennifer, Li, Winnie, Navarro, Inmaculada, Winter, Jeff, Malkov, Victor, Berlin, Alejandro, Catton, Charles, Padayachee, Jerusha, Raman, Srinivas, Warde, Padraig, Chung, Peter

“…•Beam on MR acquisition on the MR-Linac can be used to compute DDOTD.•Intrafraction motion via volumetric variability of OARs can impact dosimetry.•Computation…”
Get full text

New fluorinated 1,2-diaminoarenes, quinoxalines, 2,1,3-arenothia(selena)diazoles and related compounds by Makarov, Arkady G., Selikhova, Natalia Yu, Makarov, Alexander Yu, Malkov, Victor S., Bagryanskaya, Irina Yu, Gatilov, Yuri V., Knyazev, Alexey S., Slizhov, Yuri G., Zibarev, Andrey V.

“…Fluorinated quinoxalines and 2,1,3-arenoselenadiazoles were synthesized from 1,2-diaminoarenes obtained by reduction of corresponding 2,1,3-arenothiadiazoles…”
Get full text

Dosimetric comparison of MR-guided adaptive IMRT versus 3DOF-VMAT for prostate stereotactic radiotherapy by Kong, Vickie C., Dang, Jennifer, Li, Winnie, Navarro, Inmaculada, Padayachee, Jerusha, Malkov, Victor, Winter, Jeff, Raman, Srinivas, Berlin, Alejandro, Catton, Charles, Warde, Padraig, Chung, Peter

“…•Prostate SBRT are treated using MR-guided adaptive IMRT (A-IMRT) and VMAT based on translation correction (3DOF-VMAT) at our institution.•Comparison of…”
Get full text