Results 211 to 220 of about 115,762 (261)

Estimation of adaptive radiation therapy requirements for rectal cancer: a two-center study. [PDF]

Radiat Oncol
Chen L, Yu L, Luo H, Yang Y, Zhang Z, Jin F, Hu W, Wang J.   +7 more
europepmc   +1 more source

Technical development and In Silico implementation of SyntheticMR in head and neck adaptive radiation therapy: A prospective R-IDEAL stage 0/1 technology development report. [PDF]

J Appl Clin Med Phys
McCullum L, Mulder SL, West NA, Aghoghovbia R, Ali AMS, Scott H, Salzillo TC, Ding Y, Dresner A, Subashi E, Ma D, Stafford RJ, Hwang KP, Fuller CD.   +13 more
europepmc   +1 more source

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Chronicles of an adaptive radiation

Nature Ecology & Evolution, 2019
The adaptive radiation of notothenioid fishes after the Antarctic glaciation was preceded by rapid genomic evolution and reduced bone density.
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Hybridization and adaptive radiation

Trends in Ecology & Evolution, 2004
Whether interspecific hybridization is important as a mechanism that generates biological diversity is a matter of controversy. Whereas some authors focus on the potential of hybridization as a source of genetic variation, functional novelty and new species, others argue against any important role, because reduced fitness would typically render hybrids
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Functional Adaptation in Radiation Therapy

Seminars in Radiation Oncology, 2019
The promise of adaptive therapy to improve outcomes in radiation oncology has been an area of interest and research in the community for many years. One of the sources of data that can be used to drive adaptive therapy is functional information about the tumor or normal tissues.
Martha M, Matuszak, Rojano, Kashani, Michael, Green, Choonik, Lee, Yue, Cao, Dawn, Owen, Shruti, Jolly, Michelle, Mierzwa   +7 more
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The Role of Geography in Adaptive Radiation

The American Naturalist, 2018
Although the importance of biogeography in the speciation process is well recognized, the fundamental role of geographic diversification during adaptive radiations has not been studied to determine its importance during the adaptive radiation process.
John J, Schenk, Scott J, Steppan
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Adaptive radiation in a heterogeneous environment

Nature, 1998
Successive adaptive radiations have played a pivotal role in the evolution of biological diversity. The effects of adaptive radiation are often seen, but the underlying causes are difficult to disentangle and remain unclear. Here we examine directly the role of ecological opportunity and competition in driving genetic diversification. We use the common
P B, Rainey, M, Travisano
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Adaptation and adaptive radiation

2019
A key outcome of evolution by natural selection is adaptation. Since the beginning of the age of genetics, evolutionary biologists have focused on the evolution of nuclear genes as the basis for adaptation. Changes to the mitochondrial genome were long viewed as the result of drift and unimportant to organism fitness.
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Adaptation and constraint in a stickleback radiation

Journal of Evolutionary Biology, 2013
AbstractThe evolution of threespine sticklebacks in freshwater lakes constitutes a well‐studied example of a phenotypic radiation that has produced numerous instances of parallel evolution, but the exact selective agents that drive these changes are not yet fully understood.
K L, Voje, A B, Mazzarella, T F, Hansen, K, Østbye, T, Klepaker, A, Bass, A, Herland, K M, Baerum, F, Gregersen, L A, Vøllestad   +9 more
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Online Adaptive Radiation Therapy

International Journal of Radiation Oncology*Biology*Physics, 2017
The current paradigm of radiation therapy has the treatment planned on a snapshot dataset of the patient's anatomy taken at the time of simulation. Throughout the course of treatment, this snapshot may vary from initial simulation. Although there is the ability to image patients within the treatment room with technologies such as cone beam computed ...
Stephanie Lim-Reinders, Brian M. Keller, Shahad Al-Ward, Arjun Sahgal, Anthony Kim   +4 more
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