Search Results - "Raj, N Arunai Nambi"
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Effects of metal implants and validation of four treatment planning methods used for radiotherapy dose calculation
Published in Reports of practical oncology and radiotherapy (31-10-2022)“…The radiotherapy treatment planning process involves target delineation and dose calculation, both of which directly depend on image quality and Hounsfield…”
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2
Comparative Analysis of Electrospun Silk Fibroin/Chitosan Sandwich-Structured Scaffolds for Osteo Regeneration: Evaluating Mechanical Properties, Biological Performance, and Drug Release
Published in ACS omega (02-07-2024)“…An intensive idea of bone tissue engineering is to design regenerative nanofibrous scaffolds that could afford a natural extracellular matrix (ECM)…”
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3
Dosimetric effect of rotational setup errors in single-isocenter volumetric-modulated arc therapy of multiple brain metastases
Published in Journal of medical physics (01-04-2019)“…Aim: The aim of this study is to investigate the dosimetric effects of rotational uncertainties in patient positioning on target coverage in stereotactic…”
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Analyzing the performance of the planning system by use of AAPM TG 119 test cases
Published in Radiological physics and technology (01-01-2016)“…Our objective in this study was to create AAPM TG 119 test plans for intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT)…”
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Verification of Dosimetric Commissioning Accuracy of Intensity Modulated Radiation Therapy and Volumetric Modulated Arc Therapy Delivery using Task Group-119 Guidelines
Published in Journal of medical physics (01-10-2017)“…The purpose of this study is to verify the accuracy of the commissioning of intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy…”
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6
The "Skipped Segment Screw" Construct: An Alternative to Conventional Lateral Mass Fixation-Biomechanical Analysis in a Porcine Cervical Spine Model
Published in Asian spine journal (01-10-2017)“…Cadaveric biomechanical study. We compared the "skipped segment screw" (SSS) construct with the conventional "all segment screw" (ASS) construct for cervical…”
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Analyzing the characteristics of 6 MV photon beam at low monitor unit settings
Published in Journal of medical physics (01-01-2016)“…Analyzing the characteristics of a low monitor unit (MU) setting is essential, particularly for intensity-modulated techniques. Intensity modulation can be…”
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8
Bioselective and Radiopaque Zinc-Biopolymeric Complex-Based Porous Biomaterials Promote Mammalian Tissue Ingrowth In Vivo While Inhibiting Microbial Biofilm Gene Expression and Biofilm Formation
Published in ACS applied bio materials (17-06-2024)“…Metal–organic complexes have shown astounding bioactive properties; however, they are rarely explored as biomaterials. Recent studies showed that…”
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Biomechanical comparison of short-segment posterior fixation including the fractured level and circumferential fixation for unstable burst fractures of the lumbar spine in a calf spine model
Published in Journal of neurosurgery. Spine (01-11-2016)“…OBJECTIVE There has been a transition from long- to short-segment instrumentation for unstable burst fractures to preserve motion segments. Circumferential…”
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In vitro biocompatibility and hyperthermia studies on synthesized cobalt ferrite nanoparticles encapsulated with polyethylene glycol for biomedical applications
Published in Materials today : proceedings (2019)“…The magnetic cobalt ferrite nanoparticles (CoFe2O4) were synthesized by sol-gel combustion technique and encapsulated with polyethylene glycol (PEG). The phase…”
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11
Leaf open time sinogram (LOTS): a novel approach for patient specific quality assurance of total marrow irradiation
Published in Radiation oncology (London, England) (14-10-2020)“…There is no ideal detector-phantom combination to perform patient specific quality assurance (PSQA) for Total Marrow (TMI) and Lymphoid (TMLI) Irradiation…”
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Study of optimum growth condition of Zinc Cadmium Thiocyanate (ZCTC) single crystals in silica gel
Published in Materials letters (01-09-2007)“…Some bimetallic thiocyanate complexes exhibit excellent nonlinear optical properties. Single crystals of one such material Zinc Cadmium Thiocyanate ZnCd(SCN) 4…”
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13
Green Synthesis and In Vitro Photodynamic Efficacy of Hypericin: Cytotoxicity Assessment on MCF-7 Breast Cancer Cells
Published in Photodiagnosis and photodynamic therapy (21-11-2024)“…Photodynamic therapy (PDT) is a minimally invasive therapy for treating cancers, infectious diseases and several other conditions. It uses light as an…”
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14
Vickers microhardness studies on cadmium mercury thiocyanate (CMTC) single crystals grown in silica gel
Published in Materials letters (31-01-2008)“…Vickers microhardness study was carried out on the (110) face of the gel-grown cadmium mercury thiocyanate (CMTC) single crystal, subjected to the loads 10, 25…”
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15
Development of a Biodegradable Composite (Hydroxyapatite-Chitosan-Coir Pith) as a Packing Material
Published in Polymer-plastics technology and engineering (05-08-2014)“…Hydroxyapatite (HAP) was isolated from the bones of sea bass (Lates calcarifer) fish by thermal calcination at 800°C. HAP-chitosan-coir pith composite was…”
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16
Respiratory gated radiotherapy-pretreatment patient specific quality assurance
Published in Journal of medical physics (01-01-2016)“…Organ motions during inter-fraction and intra-fraction radiotherapy introduce errors in dose delivery, irradiating excess of normal tissue, and missing target…”
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Study of Variation in Dose Calculation Accuracy Between kV Cone-Beam Computed Tomography and kV fan-Beam Computed Tomography
Published in Journal of medical physics (01-07-2017)“…Cone-beam computed tomography (CBCT) images are presently used for geometric verification for daily patient positioning. In this work, we have compared the…”
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Comparison of Head Scatter Factor for 6MV and 10MV flattened (FB) and Unflattened (FFF) Photon Beam using indigenously Designed Columnar Mini Phantom
Published in Journal of medical physics (01-07-2014)“…To measure and compare the head scatter factor for flattened (FB) and unflattened (FFF) of 6MV and 10MV photon beam using indigenously designed mini phantom. A…”
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Quantification of uncertainties in conventional plan evaluation methods in Intensity Modulated Radiation Therapy
Published in Journal of B.U. ON. (01-01-2014)“…In Intensity Modulated Radiation Therapy (IMRT) dose distributions tend to be more complex and heterogeneous because of the modulated fluences in each beamlet…”
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20
Microhardness and acoustic behavior of calcium oxalate monohydrate urinary stone
Published in Materials letters (31-05-2008)“…Renal stone containing calcium oxalate monohydrate as a major component was subjected to microhardness and acoustic studies in order to understand its…”
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