The present paper demonstrates that electrochemical detection (ECD) coupled to ion chromatography and electrospray ionization tandem mass spectrometry (IC-ECD-ESI/MS/MS) can be used to rapidly estimate some indications of the health status of organisms. The lactulose to mannitol ratio (L/M) is used as anon-invasive assay to investigate small intestinal absorption pathways and mucosal integrity. In the present study, an evaluation of the negative effects of nonsteroidal anti-inflammatory drug meloxicam perorally administrated to a group of dogs was carried out by determining the lactulose/mannitol index using the IC-ECD-ESI/MS/MS hyphenated technique. According to the results of the study, meloxicam altered gastrointestinal permeability. Coenzyme Q10 (CoQ10) was tested to determine if it could prevent meloxicam induced gastrointestinal damage and it was found that CoQ10 could be an effective preventive treatment. Furthermore, plasma glucose concentration level was determined to be an indirect indicator of the oxidative state in the blood. To find out the beneficial effects of a double antioxidant combination (\alpha-lipoic acid (ALA) and CoQ10) on the total glucose level in chickens, ALA and CoQ10 were provided as food additives in factory farm raised chicken. The results of the pilot study indicate that the glucose level in the plasma of chickens group fed with CoQ10 and ALA was significantly decreased compared to the control group. Ion chromatography (IC) utilizing pulsed amperometric detection (PAD) was compared to ion chromatography coupled with tandem mass spectrometry (MS/MS) as an analytical tool for monitoring the carbohydrate level in biological fluids. In electrochemical detection, the newly developed two-pulse waveform successfully withstands matrix effects in biological samples. Continuous on-line desalting of the high salt concentrations used as the eluent for carbohydrate separation from the anion-exchange column allows coupling of IC and MS techniques. A make-up solution (0.5 mM LiCl) was delivered prior to MS detection for efficient ionization of eluted carbohydrates. Method validation showed that both used techniques are practically comparable and some advantages of each are presented.
COBISS.SI-ID: 4824346
At the National Institute of Chemistry the original water soluble form of CoQ10 was prepared in the form of the inclusion complex of CoQ10 with betacyclodextrin. For this new substance we prepared patent application and obtained the Slovenian patent in the year 2005. Several addition applications were prepared, but later in order to reduce the cost and to follow our commercial interest some of these applications were canceled. In 2009 the Russian patent for water-soluble form of CoQ10 was received. In 2004 we also found the Investment group which was ready to buy our patent and to invest money in a new enterprise which started to produce and sell our product. The pilot production was scaled up in our Institute and transferred into the enterprise, which is now successfully selling our formulation of CoQ10 in many countries in Europe.
COBISS.SI-ID: 4883226