Acta Biologica 45. (1994)

1. szám

CONTENTS Possibility of formation of excited formaldehyde and singlet oxygen in biotic and abiotic stress situations. E. Tyihák, 5. Rozsnyay, É. Sárdi, G. Gullner, L. Trézl, R. Gáboriányi ....................................................................................................................................... 3 Induction of glutathione transferase activity in wheat and pea seedlings by cadmium. M. Uotila, A. A. A. Aioub, G. Gullner. T. Kőmives, C. Brúnóid......................................... И Investigation of chromium (VI) tolerant bacteria. Gy. Vincze, Judit Vallner, S. Balázsy, A*. Balogh, F. Kiss ............................................................................................................................. 17 Morphological and physiological differences between aeroponically and hydroponically grown sunflower plants. Andrea Szabő-Naqy, M. D. Abdulai, L. Erdei ............................... 25 Effects of environmental factors and Mn, Zn, Cu trace elements on the soil phosphomono­­esterase and amidase activity. Application of DISITOBI model. A. Anton. P. Máthé. L. Radimszky, G. Fiileky, B. Biczdk .............................................................................................. 39 Data on the C- and N-transformation dynamics of the soil. F. Gulyás, G. Füleky ................... 51 Photochemical degradation of acetochlor. Mária Weither Sándor .................................................... 59 Biochemical and physiological effects of long-term sublethal T-2 toxin feeding in rab­bits. M. Szilágyi, S. Fekete, Gy. Huszenicza, M. Albert .................................................... 65 Development of enzyme-linked imnunosorbent assay (ELISA) systems for environmental mo­nitoring. A. Székács ......................................................................................................................... 77 Effect of carbon- and phosphorus-content on the phosphomonoesterase activity in soil. P. Máthé, G. Füleky, A. Anton ........................................................................................................ Bl Is the testing of TFT strategy during predator inspections possible by use of mirror image? A review and some controls of recent studies. J. Topái, Ä. Miklósi, V. Csányi 87 The influence of red cell size relative to pore size on filtration through nucleopore filters. R. C. Schroter, G. M. Hughes ....................................................................................... 101 Fine structure of the nephron in the euryhaline teleost, Oreochromis niloticus. C. N. Kamunde, S. M. Kisia ......................................................................................................................... Ill

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