Volume 7 No. 3 May – June, 2002 ROMANIAN BIOTECHNOLOGICAL LETTERS – an international journal – CONTENTS 1.A. CIUCUBioelectrochemical Methods For Environmental Monitoring ……………6912.S.S. FILIPOVIĆ, M.D. RISTIĆ, M.B. SAKAČTechnology of Corn Steep Application in Animal Mashes and their Quality …………… 7053.V. RUDIC, N. POPOVA, A. CRIVOVA, S. BOORTSEVA, I. RASTIMESHINA Biosynthesis of Lipoxygenase, Lipids and its Fatty Acid Composition of Actinomycetes and Yeast ……………7114.C.P. CORNEA, I. LUPESCU, I. VĂTAFU, T. CARAIANI, V.G. SĂVOIU, GH. CÂMPEANU, I. GREBENIŞAN, GH.P. NEGULESCU, D. CONSTANTINESCUProduction of L-Asparaginase II by Recombinant Escherichia Coli Cells ……………717 5.DINU, I.F. DUMITRU, M.T. NECHIFORAlcohol Dehydrogenase Activity in Carassius carassius White Skeletal Muscle ……………7236.D. RISTIĆ, S.S. FILIPOVIĆ, M.L.J. SAKAČLiquid Protein Feedstuff from Freshwater fish by-products as a Component of Animal Feed ……………7297.AL. MANOLIU, Z. OLTEANU, L. OPRICA, M.M. ZAMFIRACHE, D. CREANGAPetroleum Ferrofluid Influence on Cellulase Specific Activity in Chaetomium globosum …………… 7378.R. MATEESCU, A. POP, C.P. CORNEA, I. GREBENISAN, GH. CAMPEANUMicrobial Enzymes-Lectins Interactions: Applications for Glycoproteins Purification ……………7459.D. DINU, I.F. DUMITRU, M.T. NECHIFORIsolation and Characterization of Two Cathepsins from Muscle of Carassius auratus gibelio ……………75310.F. RĂDOI, M. KISHIDA, N. POMOHACI, Gh. CÂMPEANU, H. KAWASAKIQuantitatively Calorimetric Characterization of Olygalacturonase – Producing Mutants Isolated from saccharomyces cerevisiae Wine Strains …………… 75911.I. TUDOR, I. ŢOGOE, L. ENACHE, B. GEORGESCUUV Influence Over Vibrio Bacterial Species …………… 76712.G. NEGOIANU-TENEA, A. CALIN, N. CUCUGenetic Modified Medicinal Plants. I. Agrobacterium tumefaciens Mediated Reporter gus Gene Transfer and Expression in Atropa belladonna Plants …………… 77313.Diary of Events ……………779 Cover: The Bucharest University Building