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Résultats de la recherche - 68 results
First worldwide proficiency study on variable-number tandem-repeat typing of mycobacterium tuberculosis complex strains31051
method with fragment sizing by gel electrophoresis or an automated DNA analyzer, nine laboratories used a commercially available kit, and four laboratories used other methods. The intra- and ...
Potential of Mycobacterium tuberculosis resuscitation-promoting factors as antigens in novel tuberculosis sub-unit vaccines.
immune responses and modest but significant protection against intra-tracheal Mtb challenge were induced by immunization with the rpfB encoding DNA vaccine. The results indicate that rpfB is the most ...
Monitoring of the intra-dermal tuberculosis skin test performed by Belgian field practitioners36550
Publication Type: Peer reviewed scientific article Authors: Humblet,M.F.; Walravens,K.; Salandre,O.; Boschiroli,M.L.; Gilbert,M.; Dirk Berkvens; M. Fauville; Godfroid,J.; Dufey,J.; Raskin,A.; Vanholme,L.; Saegerman,C. Source: Res.Vet.Sci., Volume 91, Issu ...
Trends in production of extended-spectrum beta-lactamases among Enterobacteriaceae of clinical interest: results of a nationwide survey in Belgian hospitals.
CTX-M-15-producing E. coli isolates clustered into a single PFGE type and phylogroup B2, corresponding to the sequence type (ST) 131 clone. Intra- and inter-species gene dissemination (CTX-M-15, CTX-M-2 and CTX-M-9) ...
Influence of temperature, oxygen and bacterial strain identity on the association of Campylobacter jejuni with Acanthamoeba castellanii.
conditions, where the presence of the reference and low-invasive Campylobacter strains resulted in a significant decline in amoebal viability. Confocal laser scanning microscopy revealed that intra ...
Collaborative study for the standardisation of the histamine sensitizing test in mice and the CHO cell-based assay for the residual toxicity testing of acellular pertussis vaccines.1
study, a potency of 7500 IU /vial (International Units per vial) was assigned to the current Ph. Eur. Biological Reference Preparation (BRP) for PT. The results of the study also show that 1) intra- and ...
A proposed validation method for automated nucleic acid extraction and RT-qPCR analysis: an example using Bluetongue virus.
sensitivity, analytical specificity and intra- and interrun variability are described in detail. Special attention is given to the analytical sensitivity, which is determined by probit analysis. The limit of ...
Analysis of benzophenone and 4-methylbenzophenone in breakfast cereals using ultrasonic extraction in combination with gas chromatography-tandem mass spectrometry (GC-MS(n)).
Benzophenone-d(10) was used as internal standard. The presented method is validated in terms of linearity, recovery, repeatability and intra-laboratory reproducibility, specificity, limit of detection and limit of ...
Emergence of bluetongue serotypes in Europe, part 1: description and validation of four real-time RT-PCR assays for the serotyping of bluetongue viruses BTV-1, BTV-6, BTV-8 and BTV-11.
All assays exhibited a linear range of at least 0.05-3.80 log(10) TCID (50) ml(-1) and a PCR-efficiency approaching the ideal amplification factor of two per PCR cycle. Both intra- and inter-run ...
The reduction of CSFV transmission to untreated pigs by the pestivirus inhibitor BPIP: a proof of concept.
virus transmission to untreated sentinel pigs was studied. Therefore, BPIP-treated pigs (n=4), intra-muscularly infected with CSFV, were placed into contact with untreated sentinel pigs (n=4). Efficient ...