Search results - 3 results
On-line solid-phase extraction with ultra performance liquid chromatography and tandem mass spectrometry for the detection of nicotine, cotinine and trans-3'-hydroxycotinine in urine to strengthen human biomonitoring and smoking cessation studies.
Pollution Abstract: At the time of writing, this work appears to be the first published report on the coupling of on-line solid phase extraction (SPE) with ultra performance liquid chromatography-tandem mass ...
A modified sample preparation for acrylamide determination in cocoa and coffee products
VALIDATION variation work Abstract: A modified sample preparation for acrylamide determination in difficult matrices such as cocoa and coffee by a liquid chromatography-tandem mass spectrometry method is ...
A collective call to strengthen monitoring and evaluation efforts to support healthy and sustainable food systems: 'The Accountability Pact'.
and global coalitions have created an opportunity and a need for those working in food systems monitoring to scale up and connect their efforts in order to inform and strengthen accountability actions ...