Results 81 to 90 of about 34,245 (334)

Ultrafast treatment plan optimization for volumetric modulated arc therapy (VMAT) [PDF]

Medical Physics, 2010
Purpose:To develop a novel aperture‐based algorithm for volumetric modulated arc therapy (VMAT) treatment plan optimization with high quality and high efficiency.Methods:The VMAT optimization problem is formulated as a large‐scale convex programming problem solved by a column generation approach.
Men, Chunhua, Romeijn, H. Edwin, Jia, Xun, Jiang, Steve B.   +3 more
openaire   +4 more sources

Characterization of an Injectable Poly(vinyl alcohol)‐gelatin Hydrogel for Growth Factor Delivery in an Orthopedic Application

Advanced Healthcare Materials, EarlyView.
This work introduces photo‐crosslinkable tyraminated poly(vinyl alcohol)‐gelatin (PVA‐GT) hydrogels as tunable injectable platforms for tissue engineering and growth factor delivery applications. This schematic illustrates the two developed hydrogel formulations and the experimental workflow used to evaluate their physico‐chemical properties in vitro ...
Alessia Longoni, Gretel S. Major, Sam Arnold, Samuel Tomkins, Eugenia Spessot, Scott Loeffler, Kieran Lau, Richard Tan, Jessica Harte, Roslyn Kemp, Tess Reynolds, Jelena Rnjak‐Kovacina, Gary J. Hooper, Tim B. F. Woodfield, David C. Kieser, Khoon S. Lim   +15 more
wiley   +1 more source

Dosimetric evaluation of four-dimensional dose distributions of CyberKnife and volumetric-modulated arc radiotherapy in stereotactic body lung radiotherapy [PDF]

, 2013
published_or_final_versio
CHAN, KH, Kwong, DLW, Law, GM, Lee, V, Ng, CY, Tam, E, Tong, A   +6 more
core   +1 more source

Dosimetric impact of rotational setup errors in volumetric modulated arc therapy for postoperative cervical cancer

Journal of Radiation Research, 2021
We aimed to evaluate the impact of rotational setup errors on the doses received during postoperative volumetric-modulated arc therapy (VMAT) for cervical cancer.
K. Tsujii, Y. Ueda, M. Isono, M. Miyazaki, T. Teshima, M. Koizumi   +5 more
semanticscholar   +1 more source

Materials and System Design for Self‐Decision Bioelectronic Systems

Advanced Materials, EarlyView.
This review highlights how self‐decision bioelectronic systems integrate sensing, computation, and therapy into autonomous, closed‐loop platforms that continuously monitor and treat diseases, marking a major step toward intelligent, self‐regulating healthcare technologies.
Qiankun Zeng, Hong Liu, Yongheng Zhang, Youbin Zheng, Xuyin Ding, Mengni Zhu, Guoyue Shi, Yan Wang, Hossam Haick, Min Zhang   +9 more
wiley   +1 more source

Evaluation of hippocampus-sparing VMAT versus conventional VMAT in locally advanced nasopharyngeal carcinoma: a dosimetric and biological analysis

Frontiers in Oncology
Background and purposeRadiation-induced hippocampal damage poses a risk of cognitive decline following radiotherapy. Existing international guidelines for nasopharyngeal carcinoma (NPC) radiotherapy provide insufficient specific guidance on hippocampus ...
Zhi Wei Liu, Zhang Rui Liang, Wei Wei Wu, Lei Tan, Song Huan Lin   +4 more
doaj   +1 more source

Radiation Therapy Medical Physics Review – Delivery, Interactions, Safety, Feasibility, and Head to Head Comparisons of the Leading Radiation Therapy Techniques [PDF]

, 2017
Radiation therapy uses high energy radiation to kill cancer cells. Radiation therapy for cancer treatment can take the form of photon therapy (using x-rays and gamma rays), or charged particle therapy including proton therapy and electron therapy. Within
Collins, Cielle
core   +1 more source

Dosimetric comparison of single-arc/partial-arc volumetric modulated arc therapy and intensity-modulated radiotherapy for peripheral and central lung cancer

Journal of Cancer Research and Therapeutics, 2021
Aim: The aim of this study is to compare the differences between intensity-modulated radiotherapy (IMRT) and single-arc/partial-arc volumetric modulated arc therapy (SA/PA-VMAT) techniques in locally advanced-stage non-small cell lung cancer (NSCLC ...
Melek Akcay, D. Etiz, K. Duruer, O. Bozdogan, A. Ozen   +4 more
semanticscholar   +1 more source

Performance evaluation of gated volumetric modulated arc therapy [PDF]

Internatuinal Journal of Radiation Research, 2016
Background : Aim of this study is to evaluate the accuracy of the gated volumetric modulated arc therapy (VMAT/RapidArc) using 2D planar dosimetry, DynaLog files and COMPASS 3D dosimetry system. Materials and Methods : Pre-treatment quality assurance of 10 gated VMAT plans was verified using 2D array and COMPASS 3D dosimetry system.
S. Thirumalai Swamy, C. Anu Radha, G. Arun, M. Kathirvel, V. Subramanian   +4 more
openaire   +1 more source

Programmable Dimensional Lithography with Digital Micromirror Devices for Multifunctional Microarchitectures

Advanced Materials Technologies, EarlyView.
This review explores recent advances in digital micromirror device (DMD)‐based lithography, focusing on its programmable light modulation, multi‐material compatibility, and dimensional patterning strategies. It highlights innovations from optical system design to materials integration and multifunctional applications, positioning DMD lithography as a ...
Yubin Lee, Byungcheon Yoo, Chaeyeong Ryu, Jongwon Oh, Dahye Baek, Jiseok Lee   +5 more
wiley   +1 more source