Variables such as time; social interaction; familiarity with locations; pollution or seasonal variations; and sunlight, vitamin D, temperature, humidity, or type of PA have been suggested as potential biases [30,31,34]. Some benefits were observed after a single session of NBI in two studies ...
A screen-printed graphite electrode, originally developed for the electrochemical determination of uranium [61], was recently applied to the determination vitamin B12. 4. Organophosphate (OP) Sensing Very few research papers, related to the use of plain SPCEs, have been published in relation to ...