Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Joan I. Speirs"'
Publikováno v:
Journal of food protection. 54(4)
In rice, milk, and brain-heart-infusion cultures, 17 of 67 Bacillus cereus strains produced a heat-stable toxin causing morphological changes in cultures cells. All of the positive strains were associated with illness, eight with the emetic syndrome.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea04fb37a3f7718db42e9bccf4e97240
https://pubmed.ncbi.nlm.nih.gov/31051637
https://pubmed.ncbi.nlm.nih.gov/31051637
Publikováno v:
Canadian Journal of Microbiology. 37:877-880
Two commercial agglutination kits, a reserved passive agglutination test (VET-RPLA) and a staphylococcal coagglutination test (Phadebact ETEC-LT Test), were compared with two cell culture assays (Y-1 and Vero) and GM1 ganglioside enzyme-linked immuno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2bbfe936a9289a380b37331820a9492c
https://doi.org/10.1139/m91-151
https://doi.org/10.1139/m91-151
Autor:
M. Akhtar, Joan I. Speirs
Publikováno v:
Canadian Journal of Microbiology. 37:650-653
Sandwich enzyme-linked immunosorbent assays (ELISAs) were developed to detect Escherichia coli cytotoxins. Wells were coated with monoclonal antibodies from hybridomas 13C4 and (or) 11E10, and biotin conjugates of these antibodies were used for detec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cea173764af7ee6fdf661bf75a66e556
https://doi.org/10.1139/m91-110
https://doi.org/10.1139/m91-110
Publikováno v:
Canadian Journal of Microbiology. 37:647-650
Five strains of nonpathogenic Listeria monocytogenes were characterized for (i) hemolysin production, (ii) cytolysis of Chinese hamster ovary (CHO) cells, and (iii) ability to attach and enter intestine 407 cells. Four of the five strains produced va
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9dc20aaad2cfc5c0d3b2ecb926a1cea8
https://doi.org/10.1139/m91-109
https://doi.org/10.1139/m91-109
Publikováno v:
Letters in applied microbiology. 14(2)
A commercial competitive enzyme immunoassay kit, Escherichia coli ST EIA, was compared with the conventional infant mouse assay for sensitivity and specificity in detecting E. coli heat-stable enterotoxin. Thirty-one of 46 strains of E. coli tested w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7dcb956cae04b17fdc5a935669509a24
https://pubmed.ncbi.nlm.nih.gov/1367904
https://pubmed.ncbi.nlm.nih.gov/1367904
Autor:
Joan I. Speirs, Jack Konowalchuk
Publikováno v:
Journal of Milk and Food Technology. 38:469-472
Survival of enteric viruses under several environmental conditions was studied to determine whether contaminated vegetables pose a health hazard. Five test viruses stored in water or phosphate-buffered saline survived without significant loss for 36
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e5ffaf5fbf0e7e2c3d786d764c1818b3
https://doi.org/10.4315/0022-2747-38.8.469
https://doi.org/10.4315/0022-2747-38.8.469
Autor:
Joan I. Speirs, Jack Konowalchuk
Publikováno v:
Journal of Food Science. 41:1013-1017
Inactivation of poliovirus with strawberry extract was time and concentration dependent and could be prevented or reduced but not reversed with serum or gelatin. Strawberry extract inactivated several enteric viruses and herpes simplex virus, and ext
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aa42c18f67e7eb8df78805e389cf4135
https://doi.org/10.1111/j.1365-2621.1976.tb14379.x
https://doi.org/10.1111/j.1365-2621.1976.tb14379.x
Publikováno v:
Applied and Environmental Microbiology. 53:2666-2670
Polioviruses and rotaviruses are potential indicators of sewage pollution of water and shellfish. Several methods for detecting these viruses in oysters were assessed. Elution-precipitation involving Catfloc for clarification and skim milk for subseq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::501019fb4abaed80dc4b819a0a202be8
https://doi.org/10.1128/aem.53.11.2666-2670.1987
https://doi.org/10.1128/aem.53.11.2666-2670.1987
Autor:
S. Stavric, Joan I. Speirs
Publikováno v:
Canadian Institute of Food Science and Technology Journal. 22:205-208
The first outbreak of hemorrhagic colitis due to Escherichia coli 0157:H7 in Canada occurred in 1982. There were 31 cases with one death in a home for the aged; undercooked hamburger was the suspected vehicle. The serotype 0157 :H7 had rarely been en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e32f8aff47beef121b5b3801be2fad48
https://doi.org/10.1016/s0315-5463(89)70375-8
https://doi.org/10.1016/s0315-5463(89)70375-8
Publikováno v:
Journal of AOAC INTERNATIONAL. 71:675-678
A previously described monoclonal antibody-enzyme immunoassay system for dairy products was examined to determine its potential for detecting Listeria in naturally contaminated ground meats. In addition, a microtiter plate system was developed which
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f26b1f4d4fbffaafc6204aa4c62db7eb
https://doi.org/10.1093/jaoac/71.3.675
https://doi.org/10.1093/jaoac/71.3.675