Volume 12 No. 1 January – February, 2007

ROMANIAN BIOTECHNOLOGICAL LETTERS

– an international journal –

CONTENTS

1.	GEORGESCU, V. MAGEARU, G. CÂMPEANUFew aspects on solid/electrolyte interface. Analysis of background noise to obtain quantitative information’s from current-time electrochemical diagram	……………	3039
2.	SVETLANA COLCERU-MIHUL, SULTANA NIŢĂ, MINERVA PANTELI, ALICE ARMATU, DANIELA OCNARU, NUŢA MĂNĂILĂ, CRISTINA BÂZDOACĂ, IUKSEL RASIT, MARIA ICHIMPreliminary studies regarding the obtainment of different fractions from indigenous vegetal species with a high content in active principles possessing sedative action	……………	3045
3.	TATJANA SAVKOVIĆ, SLOBODAN TOJAGIĆ, MILUTIN RISTIĆ, MARIJA JOKANOVIĆProbiotics in broiler nutrition and their effect on carcass quality– dressing percentage	……………	3055
4.	ANCA-IRINA GALACTION, NICOLETA NICUŢĂ, ALEXANDRA-CRISTINA BLAGA, DAN CAŞCAVALSelective separation of gentamicins by reactive extraction 1. Study on the extraction process	……………	3059
5.	BIANCA FURDUI, GABRIELA BAHRIM, RODICA DINICĂ, IOAN DRUŢĂ, MARTINE DEMEUNYNCKIn vitro antimicrobial activity of new nitrogen heterocycles derivates from 4,4’-bipyridine	……………	3066
6.	CORNELIU ONISCU, CRISTINA VICTORINA VLASE, GEANINA GABRIELA PESTEAA New High Performance Liquid Chromatographic Method for Determination of Bisoprolol in Plasma Samples	……………	3069
7.	ALBU, AIDA UZUNUIn vitro testing of adsorbents for detoxifying mycotoxins in contaminated feedstuffs	……………	3075
8.	CORNELIU ONISCU,  ADINA DUMITRASCU, SILVIA CURTEANU, LUCIAPINTILIE, CORINA CERNATESCU,  ANCA MOCANUNew antimicrobial quinolones. Mathematical and neural modeling of diethyl ethoxymethylene malonate synthesis	……………	3079
9.	DAN CAŞCAVAL, ANCA-IRINA GALACTION, NICOLETA NICUŢĂSelective separation of gentamicins by reactive extraction 2. Study on the re-extraction process	……………	3089

Cover: The Bucharest University Building