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Instituut voor experimentele gerontologie TNO (author), Blankwater, M.J. (author)A review of the present knowledge of the effect of age on the humoral immune response of mice is presented. It is shown that the capacity to mount an antibody response decreases with age, especially when the immune system is challenged for the first time by low doses of antigen, and when T cells are required for the response. Literature data are...article 1978
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Lubbe, F.H. (author), Rossi, G. (author), Zaalberg, O.B. (author), Medisch Biologisch Laboratorium TNO (author)A method is described for isolation of antibody forming cells with the help of cluster formation. This was achieved by incubating spleen cells from immunized mice with sheep erythrocytes at 37°C. During incubation rabbit anti mouse immunoglobulin serum was present in order to facilitate the formation of clusters. Thereafter the clusters were...article 1976
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Vos, O. (author), Budke, L. (author), Grant, G.A. (author), Medisch Biologisch Laboratorium TNO (author)In tissue culture, protection against X irradiation by a number of cysteamine derivatives was studied and the results were compared with data obtained in mice. Compounds with a covered SH group, like WR 638, cysteamine phosphate, WR 2721 and AE AE 48527, showed practically no protection when dissolved in tissue culture medium, but developed a...article 1976
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Vos, O. (author), Grant, G.A. (author), Budke, L. (author), Medisch Biologisch Laboratorium RVO-TNO (author)The effect of diamide on the radiosensitivity of T cells was investigated under oxic and anoxic conditions. The compound was found to sensitize the cells under both conditions. Under oxic conditions, exposure for 10 min before and during irradiation to 0.1, 0.5 and 1.0 mM diamide produced dose modifying factors of 0.81, 0.60 and 0.55,...article 1976
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Broerse, J.J. (author), Radiobiologisch Instituut TNO (author)Values of the relative biological effectiveness (RBE) of fast neutrons for effect on normal tissue depend not only on the neutron energy and the dose, but also on the type of tissue irradiated. Values of the RBE of 15 MeV neutrons are reviewed for rapidly proliferating rodent tissue, such as mouse bone marrow, mouse intestine and rat skin...article 1974
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- Offers, S. (author), Bentvelzen, P. (author), Radiobiologisch Instituut TNO (author) article 1971
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TNO Preventie en Gezondheid (author), Hagedoorn, A.C. (author), Labrand, V. (author), Hagedoorn, A.L. (author)[No abstract available]article 1939