نتایج جستجو برای: radiobiological studies

تعداد نتایج: 1427061  

Journal: :International journal of radiation biology 2010
Giuseppe Schettino Gary W Johnson Steve A Marino David J Brenner

PURPOSE Despite the increasing concern about the effect of doses below 0.5 Gy and non-targeted exposures of ionising radiation on living organisms, the majority of radiobiological studies are conducted using in vitro cell lines. In order to be able to extrapolate the in vitro results to in vivo models with confidence, it would be of great benefit to develop a reproducible tissue system suitable...

Journal: :Experientia. Supplementum 1975
J P Meulders A Wambersie

The physical and radiobiological experiments performed with the fast neutron beams at the cyclotron of the University of Louvain are described and discussed in view of their therapeutic applications.

2009
G Kraft S D Kraft

The large interest in heavy-ion therapy is stimulated from its excellent clinical results. The bases of this success are the radiobiological and physical advantages of heavy-ion beams and the active beam delivery used for an intensity-modulated particle radiotherapy (IMPT). Although heavy-ion therapy has reached a high degree of perfection for clinical use there is still large progress possible...

2013
Michela Buglione Luca Triggiani Salvatore Grisanti Roberto Liserre Luciano Buttolo Stefano Gipponi Fausta Bonetti Alice Todeschini Luigi Spiazzi Stefano Maria Magrini

INTRODUCTION Medulloblastoma, the most frequent brain tumor in childhood, also occurs with a wide range of characteristics in adult patients. Late relapse is common in adult medulloblastoma, and the overall survival of relapsed patients usually ranges from 12 to 15 months. Treatment at recurrence is still debated and after reoperation includes stereotactic or normofractionated radiotherapy, and...

2012
X. Sharon Qi Qiu Hui Yang Steve Lee X. Allen Li Dian Wang

We appreciate the thoughtful comments from Dr. Jack Fowler on our recent manuscript of an estimation of radiobiological parameters for head and neck cancer (HNC) and the clinical implications [1]. [...].

2006
K. F. Chan W. F. Fong K. N. Yu

The feasibility of using the active layer of the colorless LR 115 SSNTD for alpha-particle radiobiological experiments was studied. The track revelation time on the bottom side (the side attached to the polyester base) was much longer than that on the top side (the side not attached to the polyester base) of the active layer so track formation on the top side was more desirable. In relation to ...

Journal: :Cancer biotherapy & radiopharmaceuticals 2015
Jenny Nilsson Monika Posaric Bauden Jonas M Nilsson Sven-Erik Strand Jörgen Elgqvist

An α-particle irradiator, enabling high-precision irradiation of cells for in vitro studies, has been constructed. The irradiation source was a (241)Am source, on which well inserts containing cancer cells growing in monolayer were placed. The total radioactivity, uniformity, and α-particle spectrum were determined by use of HPGe detector, Gafchromic dosimetry film, and PIPS detector measuremen...

Journal: :iranian journal of radiation research 0
a. acheva stuk - radiation and nuclear safety authority, laippatie 4, 00880 helsinki, finland a. aerts sck•cen - belgian nuclear research centre, radiobiology unit, boeretang 200, b-2400 mol, belgium ch. rombouts sck•cen - belgian nuclear research centre, radiobiology unit, boeretang 200, b-2400 mol, belgium s. baatout sck•cen - belgian nuclear research centre, radiobiology unit, boeretang 200, b-2400 mol, belgium s. salomaa stuk - radiation and nuclear safety authority, laippatie 4, 00880 helsinki, finland k. manda department of radiotherapy and radiation oncology, university hospital rostock, südring 75, d-18059 rostock, germany

in this review, we discuss the use of a variety of 3-d models (particularly 3-d skin, lung, breast and endothelial) in radiobiological research and highlight the differences in responses compared to 2-d culturing conditions (monolayers). we review the characteristics of existing 3-d models and aim to point out the substantial advantages 3-d cultures provide for modern radiobiology. in particula...

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