Biophysik
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Detection of UV-induced activation of NF-κB in a recombinant human cell line by means of Enhanced Green Fluorescent Protein (EGFP)
Biophysik - Tập 46 - Trang 269-279 - 2007
The cellular protection reaction known as ultraviolet (UV) response leads to increased transcription of several genes. Parts of this transcriptional response are transmitted via activation of the Nuclear factor κB (NF-κB). The contribution of different UV radiation qualities to this process is not yet known. In a previous work, a stably transfected human cell line was developed which indicates act......
Postgraduate studies in radiation biology in Europe
Biophysik - Tập 37 - Trang 139-142 - 1998
The present system of radiobiological research in universities and research centres is no longer able to train radiobiologists who have a comprehensive understanding of the entire field of radiation biology including both `classical' and molecular radiation biology. However, such experts are needed in view of the role radiation protection plays in our societies. No single institution in Europe co......
Dose and dose rate extrapolation factors for malignant and non-malignant health endpoints after exposure to gamma and neutron radiation
Biophysik - - 2017
Effects of ultrasound on the mouse exposed at different stages of gestation: Acute studies
Biophysik - Tập 17 Số 3 - Trang 245-270 - 1980
Internal doses in experimental mice and rats following exposure to neutron-activated 56MnO2 powder: results of an international, multicenter study
Biophysik - Tập 59 - Trang 683-692 - 2020
The experiment was performed in support of a Japanese initiative to investigate the biological effects of irradiation from residual neutron-activated radioactivity that resulted from the A-bombing. Radionuclide 56Mn (T1/2 = 2.58 h) is one of the main neutron-activated emitters during the first hours after neutron activation of soil dust particles. In our previous studies (2016–2017) related to irr......
Enhancement in furanocoumarin content and phenylalanine ammonia lyase activity in developing seedlings of Psoralea corylifolia L. in response to gamma irradiation of seeds
Biophysik - Tập 51 Số 3 - Trang 341-347 - 2012
Piotron pion irradiation of cerebral capillaries in neonatal rats
Biophysik - Tập 21 - Trang 75-80 - 1982
The microvasculature of the neonatal rat brain and its radiation-induced petechial hemorrhages were used as an in vivo model for studying the effect of negative pions on healthy normal tissue. By means of dose response curves (range: 2–6 gray) the RBE of peak pions with respect to 220 kVp X-rays was calculated. Whereas earlier studies involved irradiations with single beam pions (πE3) of low dose ......
Dosis- und Zeitabhängigkeit strahleninduzierter Chromosomenaberrationen in Rattenembryonen
Biophysik - Tập 9 - Trang 237-242 - 1973
30 trächtige Wistar-Ratten wurden am 17. Tag nach der Konzeption mit einer Dosis von 200 R röntgenbestrahlt. 9 nicht bestrahlte Tiere dienten als Kontrollen. Vom Gesamtgewebe und der isolierten Leber der Föten wurden in Intervallen bis zu 96 h nach Bestrahlung primäre Zellkulturen für Chromosomenanalysen angelegt. Außerdem wurden Gewebezellen der zum gleichen Gestationstermin bestrahlten Früchte a......
Exact solutions of the clonal expansion model and their application to the incidence of solid tumors of atomic bomb survivors
Biophysik - Tập 36 - Trang 45-58 - 1997
We derive explizit hazard functions for the clonal expansion model in the ``exact formulation'' and in the ``epidemiological approximation'' for the spontaneous rate and for short-time exposure. We investigate which combination of the biological parameters can be determined from the incidence function, and which cannot. We then analyze the incidence data of all solid tumors of atomic bomb survivo......
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