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UCT PSA Sorbent Cited in Sulfonamides and Trimethoprim Fish Analysis Paper

Brazil is one of the largest veterinary markets in the world, and aquaculture, in particular fish farming, is the fastest growing sector of animal food production in the country. In fish farming, antimicrobials, including sulfonamides, are used for the treatment of bacterial diseases. Sulfonamides belong to an important group of synthetic antimicrobial agents that have been used in human and veterinary medicine for over 60 years. Recently, these drugs have been extensively employed in animals intended to produce food for human consumption.

In a recent paper authored by Katia Nunes et al., published in Journal of Analytical Methods in Chemistry (, a multiresidue method for detecting and quantifying sulfonamides (sulfapyridine, sulfamerazine, sulfathiazole, sulfamethazine, sulfadimethoxine, sulfamethoxazole, and sulfamethoxypyridazine) and trimethoprim in tilapia fillet (Oreochromis niloticus) was developed and validated using UCT's QuEChERS clean-up products in conjunction with liquid chromatography- mass spectrometry (LC-MS/MS). 

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Congratulations to Mariem Al Bouwalda - Recipient of the 2018 UCT Sponsored "Best Overall Chemistry Performance" from the Dublin Institute of Technology!

UCT would like to extend our warmest congratulations to Mariem Al Bouwalda for winning the 2018 UCT sponsored "Best Overall Chemistry Performance" in the specialized field of Nanotechnology. Mariem is a student at the Dublin Institute of Technology's School of Chemistry & Pharmaceutical Sciences. She was presented with the prestigious award celebrating student research and ingenuity on February 22nd, 2018. 

Once again, on behalf of everyone at UCT, Congratulations Mariem on your outstanding work and we wish you all the luck in your future scientific endeavors!

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UCT Enviro-Clean ® 521 Cartridges cited in Emerging Disinfection Bi-Products Article

In produce processing, water used to wash both fresh and fresh-cut produce is commonly treated with sanitizers for the purpose of controlling pathogens and minimizing microbial cross-contamination. Chlorine-based sanitizers are most commonly used for produce processing in the food industry (FAO/WHO, 2008). While chlorine’s efficacy in controlling pathogens is well recognized, one of the main concerns is the reactivity of chlorine with organic and inorganic substances to generate harmful disinfection bi-products (DBPs) and emerging DBPs of concern including haloacetonitriles, halonitromethanes, haloacetamides, and nitrosamines (NISAMs). Monitoring these DBPs is necessary to protect food safety but comprehensive analytical methods have been lacking. 

In a recent paper authored by Wan-Ning Lee et al., published in Food Chemistry (, UCT’s Enviro-Clean® 521 sorbent (200 mg/ 6 mL) was employed to analyze DBPs and NISAMs in food wash water. 

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