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Marching cohort of Helicobacter pylori infection over two decades (1988-2007): combined effects of secular trend and population migration34035
prevalence of Helicobacter pylori infection is decreasing in developed countries. In this study we included 22,612 patients in whom a first culture of gastric biopsy (routinely performed in our medical ...
Standardization of hepatitis E virus (HEV) nucleic acid amplification technique-based assays: an initial study to evaluate a panel of HEV strains and investigate laboratory performance34020
PCR performance plasma RANGE Reproducibility of Results result Rna routine Sample Samples SB- IM Score SENSITIVITY Sensitivity and Specificity STANDARD STANDARDIZATION standards strain study Test ...
Llama-derived single domain antibodies to build multivalent, superpotent and broadened neutralizing anti-viral molecules36549
constructs were similar or better than best performing monoclonal antibodies. The cross protection capacity against different viral strains was also improved for all three viruses, both by multivalent (two or ...
Pertussis serodiagnosis in Belgium from 1990 to 2009.
pertussis by culture and PCR is most sensitive when performed on nasopharyngeal specimens collected <2 weeks and <3 weeks, respectively, after the onset of clinical disease. Conversely, serological ...
Diagnostic performance and application of two commercial cell viability assays in foot-and-mouth disease research.
quantitative spectrometric reading to replace the time-consuming and subjective microscopic (MIC) evaluation of the FMD virus-induced cytopathic effect (CPE). Therefore, the diagnostic performance of two ...
Molecular analysis and mating behaviour of the Trichophyton mentagrophytes species complex36576
vanbreuseghemii have to be considered as members of the same biological species remains an open question. In order to better delineate species in the T. mentagrophytes complex, we performed a mating analysis of ...
SYBR®Green qPCR methods for detection of endogenous reference genes in commodity crops: a step ahead in combinatory screening of Genetically Modified Crops in food and feed products
methods Network Oilseed rape Order PCR performance polymerase chain reaction PRODUCTS qPCR SCREENING Soybean Strategies Strategy sugar Abstract: Identification of crops present in food and/or feed matrices ...
Rapid analysis of melamine residue in milk, milk products, bakery goods and flour by ultra-performance liquid chromatography/tandem mass spectrometry: From food crisis to accreditation
observed ON PRODUCTS Quantification RANGE Reproducibility Residue result results standards Tandem Mass Spectrometry Test tests treatment ultrasound UPLC Abstract: A simple and rapid ultra-performance liquid ...
Comparison of four analytical techniques based on atomic spectrometry for the determination of total tin in canned foodstuffs.
Spectrophotometry, Atomic Tin Abstract: Different techniques for the determination of total tin in beverages and canned foods by atomic spectrometry were compared. The performance characteristics of inductively ...
Epidemiology of Pestivirus infection in wild ungulates of the French South Alps.
confirmed by comparative virus neutralization tests, performed on seven Pestivirus strains by using 15 seropositive samples. The highest antibody titers were directed against 2 BDV strains (Av and 33s ...