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Condition Based Maintenance is a field where a lot of studies have been developed in order to improve performance when intended to assure quality of maintenance of an equipment. This is as much important as bigger is the impact of possible injuries for people, or concerning high economic losses, due to malfunctions, failures and/or faults. Predictive maintenance or condition-based maintenance focuses...
Dietary supplements on soy based foods and beverages are increasingly gaining prominence all over the world. In this study, liquid chromatography coupled with positive electrospray ionisation tandem mass spectrometry (LC-ESI-MS) and diode array detection was used for the quantitation and characterisation of isoflavones in fermented and unfermented soymilk made from soy protein isolate SUPRO 590. Bifidobacterium...
The paper describes the application of liquid chromatography interfaced to a triple quadrupole mass spectrometer utilising the multiple reaction monitoring (MRM) mode. The technique was shown to provide detection limits lower than 0.01% for the analysis of prednisone in the presence of hydrocortisone. Prednisone was mixed in concentrations from 0.500 to 0.0005 ppm (corresponding to 1% to 0.001% of...
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