| the diagnostic value of the elisa-ty test for the detection of typhoid fever in children. | a study on the reliability of an enzyme linked immunosorbent assay (elisa) for the detection of typhoid fever, the elisa-ty test, was conducted, comprising 44 children suffering from bacteriologically confirmed typhoid fever based on the finding of a positive blood culture for salmonella typhi, 44 children with fever caused by diseases other than typhoid fever based on the finding of negative culture of blood, urine and stool for s. typhi, and 120 healthy children as controls. this elisa-ty test ... | 2000 | 11414416 |
| [sanitary and technologic evaluation of the rural processing of fresh goat cheese in chile]. | a sanitary and technological diagnosis of the goat cheese rural process was carried out. the purpose was to obtain more information for the planning of a program aimed to the improvement of this small agroindustry. samples of milk, curdle, dry abomasum, rennet, water and cheese of 10% of the small industries of two rural villages in two agricultural seasons, were taken. moreover, dilutions of the utensils and goat udders were prepared. the samples were subjected to microbiological analysis of me ... | 1988 | 3154301 |
| [a simple method for the isolation of immunoglobulin (y) from the eggs of immunized hens]. | hens were vaccinated with salmonella typhi-murium and with serum-igg from a goat. antibodies (igy) were isolated from the eggs by ammonium sulphate precipitation. the concentration of egg antibodies was equal or superior to the concentration of serum antibodies of the hen. the longlasting antibody plateau of 9 and 28 weeks, respectively, provides evidence of the high yields of specific igy which can be collected from a single immunized hen. | 1990 | 2200226 |