ROMANIAN BIOTECHNOLOGICAL LETTERS

- an international journal -

Volume 17

No. 5

September - October 2012

CONTENTS

FU QIYUN, LU JUNZHONG, LIN NIN, ZHENG SHAOTONG The Structures of Hydrazine Crystal and Its Antibacterial Activities	7557
NESLIHAN DIKBAS, KENAN KARAGÖZ, FATIH DADAŞOĞLU, RECEP KOTAN Determination of Relationship Between Satureja hortensis L. Essential Oil Susceptibility of Bacillus cereus Strains and Their Fatty Acid Methyl Ester Profiles	7564
CATALINA VOAIDES, R. DIMA The effect of nitrogen source on carotenoids production by Rhodotorula sp.	7570
SATISH C. JAIN, BOSKEY PANCHOLI,RENUKA JAIN Aizoaceae plants as potential antimicrobial agents	7577
R. S. PELMUS, G. C. Pistol, C. Lazar, D. E. MARIN, M. GRAS, M. radu, E. GHITA Preliminary study on milk composition and milk protein polymorphism in the Romanian local sheep breed Teleorman Black Head Tsigai	7582
TUTUNARU ALEXANDRU COSMIN, ŞONEA ALEXANDRU Current anesthetic protocols used in obtaining leporidae experimental models: a review	7592
STANKOVIĆ SLAĐAN, KOSTIĆ MIROSLAV, SIVČEV IVAN, JANKOVIĆ SNEŽANA, KLJAJIĆ PETAR, TODOROVIĆ GORAN , RADOSAV JEVĐOVIĆ Resistance of Colorado potato beetle (Coleoptera: Chrysomelidae) to neonicotinoids, pyrethroids and nereistoxins in Serbia	7599
OANA-ALINA SICUIA, F. OANCEA, FLORICA CONSTANTINESCU, SORINA DINU, CĂLINA PETRUŢA CORNEA Bacillus strains useful in improving vegetal mulch technology trough bio-activation	7610
ALICE GRIGORE, SVETLANA COLCERU-MIHUL,INA PARASCHIV, SULTANA NITA,RALUCA CHRISTOF, RASIT IUKSEL, MARIA ICHIM Chemical analysis and antimicrobial activity of indigenous medicinal species volatile oils	7620
IOAN CALINESCU, TEIU CORINA, CHIPURICI PETRE, TRIFAN ADRIAN, ALEXANDRESCU ELVIRA, ALEXANDRA IONESCU, ROMULUS DIMA Saccharomyces cerevisiae immobilization in polyacrylamide hydrogel obtained at low temperature	7628
JAIME A. TEIXEIRA DA SILVA, JUDIT DOBRÁNSZKI What constitutes ethical international scientific writing collaboration, co-operation and partnerships in Hungary?	7639
IULIANA DIANA BARBULESCU, MARIANA FERDES,CARMEN BEJAN, ANGHEL RODICA, RAZVAN TEODORESCU Improving wine-making products with selenium and total polyphenols	7646
MONICA LUIZA MALINOVSCHI, PETRONELA GRADINARU, ALEXANDRU MANOLIU The Influence of infrared radiation (IR) on catalase and peroxidase activity in the cellulolytic species Chaetomium globosum	7656
MIHAELA RĂCUCIU Influence of extremely low frequency magnetic field on assimilatory pigments and nucleic acids in Zea mays and Curcubita pepo seedlings	7661
YONGMIN YAN, HUI QIAN, WEI ZHU, FEI MAO, TINGFEN LI, WENRONG XU Hepatocyte growth factor modified human umbilical cord mesenchymal stem cells accelerate the recovery of mouse hepatic injury	7673
IRINA MIRELA APETREI, GABRIELA BAHRIM, MARIA LUZ RODRIGUEZ-MENDEZ Electrochemical study of polyphenols with amperometric tyrosinase based biosensors	7684
DURMUŞ ALPASLAN KAYA, MARIANA FERDES, NICOLETA BADEA, MADALINA GEORGIANA ALBU The effect of laurel and thymbra essential oils on antioxidant and antimicrobial properties of collagen hydrolysate	7684
MANUELA ADRIANA COSTACHE, GHEORGHE CAMPEANU, GABRIELA NEATA Studies concerning the extraction of chlorophyll and total carotenoids from vegetables	7702
MANUELA STĂNESCU (PASCAL), ALIN ION BÎRŢOIU Freezing of dog’s sperm: a review	7709

Cover 1: The Bucharest University Building