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Food and Beverage Analysis – Multimedia

Characterization of Food Products by GCxGC-TOFMS and GC-High Resolution TOFMS: A Food "omics" Approach content piece image
Poster

Characterization of Food Products by GCxGC-TOFMS and GC-High Resolution TOFMS: A Food "omics" Approach

This poster has demonstrated the broad applicability of GC and TOFMS in the food and beverage industry with highlighted examples from edible oils, hops, and beer. HS-SPME was used to pre-concentrate and collect volatile and semi-volatile analytes from each sample for analysis by LECO’s Pegasus 4D, HT, and/or HRT. This type of information provides food “omics” insight at various stages throughout production, including differentiation of raw materials, process changes, and finished products.
Lab-on-a-Chip System for Detection of Mycotoxins in Animal Feed content piece image
Poster

Lab-on-a-Chip System for Detection of Mycotoxins in Animal Feed

This poster introduces an automated Lab-on-a-Chip system for reliable quantitative testing of mycotoxin contamination of animal feed developed in the framework of the EU-funded project micro- FLUID.
A Triple Ionization Source for LC/MS content piece image
Poster

A Triple Ionization Source for LC/MS

This poster reports the development of a triple ionization source consisting of ESI, APCI and APPI sources. The source uses two probes, one for ESI and a nebulizer/vaporizer for APCI and APPI.
Modelling the growth inhibition of common food spoilage and pathogenic micro-organisms in the presence of solvent extracts from Irish Crucifer vegetables content piece image
Poster

Modelling the growth inhibition of common food spoilage and pathogenic micro-organisms in the presence of solvent extracts from Irish Crucifer vegetables

Antimicrobial activity of Irish Brassica vegetables were evaluated against a number of food spoilage and pathogenic micro-organisms. Methanolic extracts from York Cabbage showed the best activity against Listeria monocyotgenes and Salmonella abony.
Poster

A novel multiplex qPCR for the simultaneous detection of Salmonella spp., E. coli O157:H7 and Listeria monocytogenes from raw Atlantic Salmon fillets

A triplex qPCR assay was developed to screen for three major food-borne pathogens in fish. The assay is based on simultaneous qPCR amplification of specific target genomes using fluorophore labelled locked nucleic acid (LNA) TaqMan probes. The detection limit of the qPCR is 1 colony forming unit (cfu) per 1ml and the detection limit of the assay with 24h general enrichment is 1 cfu per 25g of fish meat.
T cell response to cholera infection content piece image
Poster

T cell response to cholera infection

Natural Vibrio cholerae infection generates a robust B-cell response that wanes for T-cell independent antigens, suggesting that B-cell responses may be mediated in a T-cell dependent manner. Patients with cholera develop a memory-effector T-cell response to cholera antigens, and B-cell activation occurs after T-cell population expansion, suggesting that T-cells may play an important role in the development and maintenance of memory B-cell responses to T-cell dependent antigens.
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