Volume 12                                                      No. 2                                    March – April, 2007

 

ROMANIAN BIOTECHNOLOGICAL LETTERS

– an international journal –

 

CONTENTS

1.	ADRIAN IGA, NICOLETA FLORENTINA PREDESCU, SILVIA IGA,  ALINA NICOLESCU, DUMITRU PETRU IGA Chromatographic Separation from Food Materials of Galactocerebroside and Sulfatide According to their Degree of Hydroxylation and Characterization by 1H and 13C NMR and by IR Spectroscopy	……………	3091
2.	ANCA-MARCELA LUPASTEANU, ANCA-IRINA GALACTION, DAN CAŞCAVAL Bioreactors with immobilized biocatalysts	……………	3099
3.	VALENTINA ALEXANDRU, DANIELA N. PETRUSCA, ELVIRA GILLE Investigation of  Pro-apoptotic Activity of  Equisetum arvense  L. Water Extract  on  Human Leukemia U 937 Cells	……………	3105
4.	VAMANU ADRIAN, VAMANU EMANUEL, POPA OVIDIU, CÂMPEANU GHEORGHE, DRUGULESCU MANUEL Biotechnological studies on the production of exopolysaccharides by lactic bacteria in batch system	……………	3113
5.	ANCA-IRINA GALACTION, MARIA CAMARUT, DAN CASCAVAL Selective separation of trans-cinnamic and p-methoxycinnamic acids by facilitated  pertraction. Mathematical modeling of pertraction selectivity	……………	3121
6.	VESELINKA ĐURIĆ, JOVANKA POPOV-RALJIĆ, M. MALEŠEVIĆ Effect of increased nitrogen fertilisation on the breadmaking quality of winter wheat (Triticum aestivum L.)	……………	3128
7.	ORTANSA CSUTAK, TATIANA VASSU, PETRUTA CORNEA, IRINA GREBENISAN Genetic characterization of two new Metschnikowia strains with antifungal activity	……………	3134
8.	MIOARA VARGA Stochastic approximation – a method for solving a problem of competing antagonism	……………	3141
9.	JOVANKA POPOV-RALJIĆ, KATALIN ŠMIT, ALEKSANDAR ŽIVKOVIĆ, IVANA LUKIĆ Colour and sensory properties of the mixed edible vegetable oils	……………	3146
10.	EVELINA GHERGHINA, GABRIELA LUTA Phitohormons – effectives instruments in modifying the plant’s metabolism – with the aim of obtaining products with superior nutritional qualities	……………	3151
11.	CAMELIA DIGUTA, STEFANA JURCOANE, FLORENTINA ISRAEL–ROMING, MATHIEU BRULE, MIKE MUKENGELE, ANDREAS LEMMER, HANS OECHSNER Studies concerning enzymatic hydrolysis of energy crops	……………	3157

 

Cover: The Bucharest University Building