نتایج جستجو برای: indirect fluorescent antibody
تعداد نتایج: 314032 فیلتر نتایج به سال:
An indirect fluorescent antibody (IFA) technique was evaluated as a procedure for rapid detection and identification of members of the Bacteroidaceae. Antisera were prepared against 31 members of this family, including species of Bacteroides and Fusobacterium commonly isolated from human infections. The antisera had demonstrated species and/or subspecies specificity. Thirty clinical specimens w...
A field survey on schistosomiasis was carried out in 1998, in the municipality of Pedro de Toledo, a low endemic area in the state of São Paulo, Brazil. According to the parasitologic Kato-Katz method, the prevalence rate was 1.6%, with an infection intensity of 40.9 eggs per gram of stool. By the immunofluorescence test (IFT) for detection of IgG and IgM antibodies in the serum, IgG-IFT and Ig...
sera from 495 pregnant women were examined for toxoplasma antibodies by indirect fluorescent antibody testing (ifat). antibodies were positive in 32.7%. seropositivity was not increased significantly with age but showed a statistically significant rise in accordance with frequency of parity, abortion and contact with cats. the high rate of seronegativity (67.3%) observed in pregnant women repre...
We studied antibody response in 9 healthcare workers in Jeddah, Saudi Arabia, who survived Middle East respiratory syndrome, by using serial ELISA and indirect immunofluorescence assay testing. Among patients who had experienced severe pneumonia, antibody was detected for >18 months after infection. Antibody longevity was more variable in patients who had experienced milder disease.
The presence of immunoglobulin G receptors in human fibroblasts infected with human cytomegalovirus (CMV) resulted in a nonspecific cytoplasmic reaction in the indirect fluorescent-antibody test. Both CMV antibody-positive and antibody-negative sera from human or other animal species produced the cytoplasmic reaction. The substitution of a simian CMV strain for the human virus successfully elim...
Biopsy specimens from 21 women with primary operable breast cancer were analyzed in a double blind study designed to compare fluorescent antibody methods for detection of estrogen receptors with estrogen receptors measured biochemically with a previously reported dextran coated charcoal technique (DCC). Fluorescent antibody methoids employed both direct techniques: (1) rabbit antisera to 6-O-Ca...
The costs of a clinical chemistry laboratory in a district general hospital were studied. The system used has certain advantages over the conventional Cooper Lybrand method. The time taken by technicians to perform tests was more variable than expected and the cost of sample collection was higher than process-cost for many tests. Indirect costs (overheads) were greater than direct costs and the...
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