Glycerin prevents the ‘heat-death’ of ehrlich ascites tumor cells

Summary When heated to 45°C for 20 min Ehrlich ascites tumor and NK-lymphoma cells are irreversibly damaged, so that they lose transplantability. The presence of 7–8% glycerol during heat treatment protects EAT cells completely and NK-lymphoma cells partly against this injury.     

Interpretation of cosmic X-ray and gamma ray spectra

Changes in the slope of a measured distribution may be explained partially by the effect of the measurement process itself.     

Regeneration of limbs in adultRana ridibunda ridibunda Pallas

Zusammenfassung Nachweis der Beinregeneration bei adulten FröschenRana ridibunda ridibunda Pallas. Skelett war weitgehend verknöchert.     

Mécanisme d'action du chloramphénicol dans l'inhibition de la production d'anticorps induite par de différents types d'antigènes

Summary Chloramphenicol (CAF) administered to rabbits during the whole period of immunization, is able to suppress almost completely the antibody response against horse serum albumin and globulins (HSA, HSG) andEscherichia coli: on the other hand, it does not inhibit antibody response to heterologous RBC. The possible mechanism of the inhibiting action of the CAF in antibody response to HSA, HSG andE. coli is discussed, and some hypotheses are put forward on the possible reasons for the different behaviour of CAF on the immune response induced by heterologous RBC.