Showing 241 - 260 results of 305 for search '"The Phantom"', query time: 0.05s Refine Results
  1. 241

    In-vitro accuracy of the virtual patient model with maxillomandibular relationship at centric occlusion using 3D-printed customized transfer key by Anh Ho-Quynh Nguyen, Nam Cong-Nhat Huynh, Oanh Ngoc-Hoang Nguyen, Nhat Dinh-Minh Nguyen, Hai Hoang Phan, Jong-Eun Kim, Gan Jin, Khanh Hung Nguyen, Hung Trong Hoang

    Published 2025-01-01
    “…The virtual patient model image was generated in-vitro using a phantom head with soft tissue simulation. Accuracy was assessed by superimposing the 3D scans with reference CBCT images and analyzing trueness and precision using root mean square (RMS) deviations. …”
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  2. 242

    Development of a method to achieve antegrade in situ fenestration of endovascular stent grafts in abdominal aortic aneurysms by Cyrus J. Darvish, BS, Nicholas P. Lagerman, MS, Oldrich Virag, BS, Hannah Parks, BS, Yash K. Pandya, MD, Mohammad H. Eslami, MD, David A. Vorp, PhD, Timothy K. Chung, PhD

    Published 2025-02-01
    “…The endovascular orifice detection device was tested rigorously in precisely locating an artery opening in blood and a custom AAA phantom model. The study also explored the safest means of creating a fenestration using mechanical puncture and a laser. …”
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  3. 243

    Scalar Field Kantowski–Sachs Solutions in Teleparallel <i>F</i>(<i>T</i>) Gravity by Alexandre Landry

    Published 2025-01-01
    “…Some new <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>F</mi><mo>(</mo><mi>T</mi><mo>)</mo></mrow></semantics></math></inline-formula> solution classes may be relevant for future cosmological applications, especially concerning dark matter, dark energy quintessence, phantom energy leading to the Big Rip event, and quintom models of physical processes.…”
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  4. 244

    CALCULATION STUDIES OF SPATIAL DISTRIBUTION OF THE ABSORBED DOSE RATE FOR VARIOUS SEEDS by N. A. Nerozin, A. P. Pyshko, V. V. Shapovalov

    Published 2016-01-01
    “…In compliance with the standard conditions on the composition of the environment, water phantom and air with 40% humidity, the results obtained are outside the acceptable difference of 3% from the recommended data. …”
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  5. 245

    The Essential Role of Monte Carlo Simulations for Lung Dosimetry in Liver Radioembolization—Part B: <sup>166</sup>Ho Microspheres by Edoardo d’Andrea, Andrea Politano, Bartolomeo Cassano, Nico Lanconelli, Marta Cremonesi, Vincenzo Patera, Massimiliano Pacilio

    Published 2025-01-01
    “…This study compares dosimetric approaches for lung dosimetry in <sup>166</sup> radioembolization (Ho-TARE) with direct Monte Carlo (MC) simulations on a voxelized anthropomorphic phantom derived from a real patient’s CT scan, preserving the patient’s lung density distribution. …”
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  6. 246

    Over-Response Correction of SNC 350p ROOS and PTW Markus Chambers in the Surface Dose and Build-Up Region Dosimetry of 6MV Photon Beam by Deepali Patil, Mukesh Zope, DINESH SAROJ, Aslam P. A., Basil George

    Published 2024-07-01
    “…Material and Methods: The Sun Nuclear Corporation SNC 350P ROOS and PTW Markus parallel plate ionization chambers were used to measure 6 MV photon beam PDD along the central axis in the build-up region.The experiment was performed on a Solid Water® HE phantom with a density of 1.032 g/cm3.The Measurements were taken at a Source Surface distance (SSD) of 100 cm with Field sizes of 10x10cm2,20x20 cm2, and 30x30cm2 and at variable depths. …”
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  7. 247

    MR Angiography of Peripheral Arterial Stents: In Vitro Evaluation of 22 Different Stent Types by Matthias C. Burg, Alexander C. Bunck, Harald Seifarth, Boris Buerke, Harald Kugel, Volker Hesselmann, Michael Köhler, Walter Heindel, David Maintz

    Published 2011-01-01
    “…Materials and Methods. 21 different stents and one stentgraft (10 nitinol, 7 316L, 2 tantalum, 1 cobalt superalloy, 1 PET + cobalt superalloy, and 1 platinum alloy) were examined in a vessel phantom (vessel diameters ranging from 5 to 13 mm) filled with a solution of Gd-DTPA. …”
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  8. 248

    A note on the global existence and boundedness of an N-dimensional parabolic-elliptic predator-prey system with indirect pursuit-evasion interaction by Liu Ling

    Published 2025-02-01
    “…Under appropriate conditions, utilizing suitable a priori estimates, we demonstrate that if (N−2)+N<max(r1−1)(r2−1),4N2,(r1−1)2N,(r2−1)2N\frac{{\left(N-2)}_{+}}{N}\lt \max \left\{\phantom{\rule[-0.95em]{}{0ex}},\left({r}_{1}-1)\left({r}_{2}-1),\frac{4}{{N}^{2}},\left({r}_{1}-1)\frac{2}{N},\left({r}_{2}-1)\frac{2}{N}\right\}, then the system admits a unique, uniformly bounded global classical solution. …”
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  9. 249
  10. 250

    Evaluation of 3D Models of Archaeological Remains of Almenara Castle Using Two UAVs with Different Navigation Systems by Juan López-Herrera, Serafín López-Cuervo, Enrique Pérez-Martín, Miguel Ángel Maté-González, Consuelo Vara Izquierdo, José Martínez Peñarroya, Tomás R. Herrero-Tejedor

    Published 2025-01-01
    “…We performed one with a DJI Phantom 4 (DJI Innovations Co., Ltd., Shenzhen, China) and the other with a Matrice 300 RTK (DJI Innovations Co., Ltd., Shenzhen, China) and the new Zenmuse P1 camera (45 mp, RGB sensor). …”
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  11. 251

    Generating and monitoring mild hyperthermia using a ring array ultrasound transducer by David Bustamante, Yan Yan, Trevor Mitcham, Rehman Ali, Brian Marples, Kimberly R. Gergelis, Peter Littrup, Nebojsa Duric, Mohammad Mehrmohammadi

    Published 2024-12-01
    “…In vitro experiments demonstrated the capability of a ring array US transducer to generate MHTh in a tissue-mimicking phantom in an average of 117 ± 18 s and subsequently maintain MHTh. …”
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  12. 252

    Reconfigurable Ultra-Miniaturized MIMO Antenna for Tissue-Independent Communication in Injectable Medical Implants by L. Harlan, M. Susila, Sachin Kumar, Hyun Chul Choi, Kang Wook Kim

    Published 2025-01-01
    “…The antenna&#x2019;s performance is evaluated through simulations in homogeneous single-layer (fat/muscle) and three-layer (skin, fat, and muscle) phantoms, along with a realistic heterogeneous hand model, and validated through an ex-vivo setup, which includes fabricating the antenna prototype and measuring its performance in pork meat and a phantom solution. …”
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  13. 253

    Assessing Mean Glandular Dose in Mammography in Jordan According to American College of Radiology (ACR) Standards by Al Hrout R, Ayasrah M, Noor Azman NZ

    Published 2025-01-01
    “…This study intends to assess skin entrance exposure and compute the Mean Glandular Dose (MGD) in mammography units to determine adherence to established criteria and pinpoint areas for enhancement.Methods: To assess MGD, the study utilized the American College of Radiologists (ACR) phantom alongside a RaySafe X2 MAM dosimeter. Measurements of entrance kerma and half-value layer (HVL) were taken across 25 mammography units in Jordan. …”
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  14. 254

    UAV Remote Sensing Technology for Wheat Growth Monitoring in Precision Agriculture: Comparison of Data Quality and Growth Parameter Inversion by Jikai Liu, Weiqiang Wang, Jun Li, Ghulam Mustafa, Xiangxiang Su, Ying Nian, Qiang Ma, Fengxian Zhen, Wenhui Wang, Xinwei Li

    Published 2025-01-01
    “…Therefore, this study explored the application potential of RGB and multispectral (MS) images acquired from three lightweight UAV platforms in the realm of PA: the DJI Mavic 2 Pro (M2P), Phantom 4 Multispectral (P4M), and Mavic 3 Multispectral (M3M). …”
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  15. 255

    The Influence of Posterior Class II Composite Restoration Location and Techniques on Marginal Sealing by Mishel Haddad, Diva Lugassy, Mohana Barhum, Tamar Brosh, Shlomo Matalon

    Published 2025-01-01
    “…<b>Methods</b>: Sixty extracted human teeth that had been indicated for orthodontic extraction were collected and embedded into a custom-made holder that was located in one of the four quadrants of a laboratory phantom head. Class II resin composite restorations, using flowable and packable composites, were performed on all teeth using two techniques: Pre-cure and Co-cure. …”
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  16. 256

    Position in proton Bragg curve influences DNA damage complexity and survival in head and neck cancer cells by Tim Heemskerk, Celebrity Groenendijk, Marta Rovituso, Ernst van der Wal, Wouter van Burik, Konstantinos Chatzipapas, Danny Lathouwers, Roland Kanaar, Jeremy M.C. Brown, Jeroen Essers

    Published 2025-03-01
    “…Materials and methods: Proton irradiations are performed at the HollandPTC R&D proton beamline, using a double passively scattered setup. A custom water phantom setup is employed to accurately position the samples within the Bragg curve. …”
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  17. 257

    The Degree of Cervical Intervertebral Disc Degeneration Is Associated With Denser Bone Quality of the Cervical Sub‐endplate and Vertebral Body by Jia‐Yu Chen, Jia‐Chen Yang, Ruo‐Yao Li, Zu‐Cheng Huang, Zhi‐Ping Huang, Xiu‐Hua Wu, Qing‐An Zhu, Yin Ding

    Published 2025-02-01
    “…Additionally, bone mineral density (BMD) of the cervical vertebrae was measured in 52 patients using a novel phantom‐less quantitative computed tomography (PL‐QCT) system. …”
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  18. 258

    A preliminary study of linear accelerator-based spatially fractionated radiotherapy by Young Kyu Lee, Yunji Seol, Byeong Jin Kim, Kyu Hye Choi, Ji Hyun Hong, Chan-beom Park, Sun Hwa Kim, Hyeong Wook Park, Wonjoong Cheon, Young Nam Kang, Byung‑Ock Choi

    Published 2025-01-01
    “…The research systematically evaluated the impact of varying vertex diameters and separations on dose distribution, peak-to-valley dose ratio (PVDR), and normal tissue dose.MethodsA cylindrical Virtual Water™ phantom was used to create LRT treatments using the Eclipse version 16.0 treatment planning system (Varian, Palo Alto, USA). …”
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  19. 259

    Deep learning-based synthetic CT for dosimetric monitoring of combined conventional radiotherapy and lattice boost in large lung tumors by Hongwei Zeng, Xiangyu E, Minghe Lv, Su Zeng, Yue Feng, Wenhao Shen, Wenhui Guan, Yang Zhang, Ruping Zhao, Jingping Yu

    Published 2025-01-01
    “…Validation of dose delivery using TLD phantom measurements showed that more than half of the dose points in the sCT based LRT plan had deviations below 2%, with a maximum deviation of 5.89%. …”
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  20. 260

    Magnetic Resonance Thermometry of Focused Ultrasound Using a Preclinical Focused Ultrasound Robotic System at 3T by Antria Filippou, Nikolas Evripidou, Andreas Georgiou, Leonidas Georgiou, Antreas Chrysanthou, Cleanthis Ioannides, Christakis Damianou

    Published 2024-12-01
    “…Herein, MRI thermometry was assessed for FUS sonications executed using a preclinical system on agar-based phantoms at 1.5T and 3T MRI scanners, using the proton resonance frequency shift technique. …”
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