Zobrazeno 1 - 10
of 63
pro vyhledávání: '"A P, de Ruiz Holgado"'
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 96, Iss 4, Pp 583-586 (2001)
The aim of this study was to compare the efficacy of conservation by freezing the strains of Haemophilus influenzae at -20ºC and -70ºC. Skim milk supplemented with glucose, yeast extract and glycerol allowed highest viability of H. influenzae both
Externí odkaz:
https://doaj.org/article/1b4b5509e1cf45d186e68b7fcd851575
Autor:
Rosa Cangemi de Gutierrez, Olga Miguel de Nader, Aida Pesce de Ruiz Holgado, María Elena Nader-Macias
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 94, Iss 5, Pp 701-707 (1999)
A stable microbial system in the respiratory tract acts as an important defense mechanism against pathogenic microorganisms. Perturbations in this system may allow pathogens to establish. In an ecological environment such as the respiratory tract, th
Externí odkaz:
https://doaj.org/article/48d2cb58a8884f3098a6709f75a19ae9
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 93, Iss 4, Pp 517-522 (1998)
At present, most Neisseria gonorrhoeae testing is done with ß-lactamase and agar dilution tests with common therapeutic agents. Generally, in bacteriological diagnosis laboratories in Argentina, study of antibiotic susceptibility of N.gonorrhoeae is
Externí odkaz:
https://doaj.org/article/63a107b579664757bec6e53aa3a558c4
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 93, Iss 2, Pp 237-241 (1998)
ß-lactamase activity was studied in Neisseria gonorrhoeae strains. Optimum temperature was found to be 37°C. The enzyme was inactivated at temperatures higher than 60°C, but remained active during storage at low temperatures (4°C, -30°C and -70
Externí odkaz:
https://doaj.org/article/81fd822d8d8e404f9a0524b02fdce0ba
Autor:
Marta C de Castillo, Olga A de Saab, Norma P de Fernandez, Olga M de Nader, Aída P de Ruiz Holgado
Publikováno v:
Memorias do Instituto Oswaldo Cruz, Vol 91, Iss 6, Pp 789-793 (1996)
The antibiotic susceptibilities of Neisseria gonorrhoeae isolates obtained from patients attending a clinic for sexually transmitted diseases in Tucumán, Argentina, were determined by the agar dilution method (MIC). 3.5% of the isolates produced ²-
Externí odkaz:
https://doaj.org/article/080d658541224e218121533fe34d0b89
Autor:
A. P. de Ruiz Holgado, Graciela Vignolo, Guillermo Oliver, Jorge Palacios, Maria Eugenia Farias, Fernando Sesma
Publikováno v:
Microbiological Research. 154:199-204
Lactobacillus casei CRL 705, isolated from a dry fermented sausage, produces an antibacterial peptide which is active against Listeria monocytogenes. Previous studies have shown that this compound is potentially useful to control food-borne pathogens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0b53b7fe1ed0fe10585383d5ce2fddb5
https://doi.org/10.1016/s0944-5013(99)80015-9
https://doi.org/10.1016/s0944-5013(99)80015-9
Autor:
M. C. de Castillo, O. M. De Nader, O. A. De Saab, María Angela Jure, S. Miceli, A. P. De Ruiz Holgado, S. Rojas
Publikováno v:
Japanese Journal of Infectious Diseases. 52:33-37
Haemolytic uraemic syndrome (HUS) is a disease with serious consequences for children, such as terminal chronic renal failure. During the last few years there have been numerous studies undertaken to determine whether there is a relationship between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::873097ef36000df0c15f51d4de67be0e
https://doi.org/10.7883/yoken.52.33
https://doi.org/10.7883/yoken.52.33
Publikováno v:
Food Microbiology. 15:259-264
Meat slurry inoculated withListeria monocytogenes(4.00 cfu g−1) was mixed with different levels of curing additives and their influence on the inhibitory effect of lactocin 705 (17,000 AU ml−1) was evaluated at 20°C. Inhibition ofL. monocytogene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf7bc6333ec6fee0195241594a72722d
https://doi.org/10.1006/fmic.1997.0166
https://doi.org/10.1006/fmic.1997.0166
Publikováno v:
Journal of Dairy Science. 80:2706-2712
Lactobacillus delbrueckii ssp. bulgaricus strain CRL 539 was shown to be lysogenic and inducible with mitomycin C. The conditions were determined for an optimal induction of temperate bacteriophage lb539 with mitomycin C as well as the sensitivity of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51eb43915c11036ad1828a5d78fbea7d
https://doi.org/10.3168/jds.s0022-0302(97)76231-3
https://doi.org/10.3168/jds.s0022-0302(97)76231-3
Publikováno v:
Journal of Dairy Science. 80:1955-1958
The effect of bile on beta-galactosidase activity and cell viability was investigated using two strains of Lactobacillus reuteri that were subjected to freeze-drying. In the presence of 0.15% oxgall, beta-galactosidase activity of the whole cells was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::12bb73ce816fb9eeb891d801454f0660
https://doi.org/10.3168/jds.s0022-0302(97)76137-x
https://doi.org/10.3168/jds.s0022-0302(97)76137-x