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2.
Rev. chil. cienc. méd. biol ; 1(2): 87-90, 1991. tab
Article in Spanish | LILACS | ID: lil-148296

ABSTRACT

Se desarrolló un ELISA modificado, Dot immunobinding assay para detectar anticuerpos antigonocócicos en el suero de pacientes con infección gonocócica. Fueron analizadas 20 muestras provenientes de hombres con gonorrea confirmada mediante técnicas bacteriológicas tradicionales y otras 20 de niños mayores de 1 año sin antecedentes de infección. Todos los sueros de hombres infectados presentaron reacción positiva en alguna dilución. El grupo control fue negativo con excepción de una muestra. La sensibilidad del test fue 1 y la especificidad 0,95. El valor predictivo positivo 0,95 y el valor predictivo negativo igual a 1


Subject(s)
Humans , Female , Adult , Antibodies/isolation & purification , Gonorrhea/diagnosis , Neisseria gonorrhoeae/immunology , Clinical Trials as Topic , Immunologic Tests/methods
3.
Rev. méd. Chile ; 116(6): 543-8, jun. 1988. tab
Article in Spanish | LILACS | ID: lil-77207

ABSTRACT

The inhibitory effect of 5 pyocins produced by wildstrains of Ps aeruginosa was tested by qualitative and quantitative techniques. 313 strains of 4 species: E coli, P vulgaris, Ps aeruginosa and St aureus were assayed. It was shown that the most active pyocin was P37, which inhibited 276 out of 313 strains tested. About 80% of E. coli and 90% os St aureus strain were inhibited by the pyocins uner being tested. It was established that sensitivity to pyocin was not restricted to close-related species but extends to unrelated families also


Subject(s)
Bacteriocins/analysis , Microbial Sensitivity Tests , Cross Infection/microbiology , In Vitro Techniques , Chile , Bacteriological Techniques
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