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Oral fluid as a medium for the detection of hepatitis B surface antigen.

quantification assay to ensure their quality and quantity. The detection of HB sAg in oral fluid was carried out using a modified ETI- MAK-4 ELISA. The validation of this oral fluid test gave a sensitivity and ...

Streptomycin as a selective agent to facilitate recovery and isolation of introduced and indigenous Sphingomonas from environmental samples.

A medium based on the aminoglycoside antibiotic streptomycin (Sm) was developed, which, together with the yellow pigmentation of Sphingomonas, facilitated the detection, recovery and quantification of ...

Validation of the CALUX bioassay for PCDD/F analyses in human blood plasma and comparison with GC-HRMS.

analyses. The limit of quantification (LOQ) used to calculate TEQ values from the GC- HRMS determinations, the use of the relative potency values instead of the toxic equivalent factor and the potential of ...

Pyrrolizidine alkaloids in herbs and related foodstuffs (PASHERBS)

development of efficient analytical methods was required to detect and quantify PA s/ PANO s in a large range of food items.   Efficient analytical methods enabling accurate quantification of (very) low PA s/ ...

Food contamination with pyrrolizidine alkaloids: the expected and the unexpected

Several steps were carefully optimized for each targeted food matrices with a specific focus on very low limits of quantification (LOQ s < 1 ng/g or ng/mL), taking into account the various interfering ...

UHPLC-MS/MS methods for the quantification of pyrrolizidine alkaloids in a wide range of food matrices and exposure assessment for the Belgian population

Several steps were carefully optimized for each targeted food matrices with a specific focus on very low limits of quantification (LOQ s < 1 ng/g or ng/mL), taking into account the various interfering ...

Development and validation of a UHPLC-MS/MS screening method and a UHPLC-DAD quantification method for the analysis of counterfeit antimicrobials

Publication Type: Scientific poster, presentation or proceeding Authors: Yaxin Tie; Celine Vanhee; Erwin Adams; Eric Deconinck Source: DA-PBA, Leuven, Belgium (2018) Keywords: accuracy profiles Counterfeit antimicrobials LC-DAD LC-MS/MS Health Topics:  Il ...

Characterization of suspected illegal antimicriobials

Publication Type: Scientific poster, presentation or proceeding Authors: Yaxin Tie; Celine Vanhee; Eric Deconinck; Erwin Adams Source: DA-PBA, Leuven, Belgium (2018) Keywords: API quantification ...

RNA-based drug susceptibility testing of Mycobacterium tuberculosis

a next-generation diagnostic test based on quantification of drug-specific RNA biomarkers. The basic principle is that a brief antibiotic exposure triggers specific transcriptional responses in susceptible, but not ...

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