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Chromatographic impurity fingerprinting of genuine and counterfeit Cialis® as a means to compare the discriminating ability of PDA and MS detection.

by counterfeit medicines. Their quality, safety and efficacy cannot be guaranteed since no quality control is performed during and/or after the manufacturing process. Characterization of these products ...

Discriminating nicotine and non-nicotine containing e-liquids using infrared spectroscopy.

the products is not always labelled, especially when they are bought through internet. Therefore there is a need for easy-to-use equipment and methods to perform a first on site screening of intercepted ...

Testing of complementarity of PDA and MS detectors using chromatographic fingerprinting of genuine and counterfeit samples containing sildenafil citrate.

a very important issue. In this study, a high-performance liquid chromatography-photodiode array (HPLC- PDA) and high-performance liquid chromatography-mass spectrometry (HPLC- MS) method were developed ...

Relation between Spongy Bone Density in the Maxilla and Skeletal Bone Density.

group B (healthy, control), and group C (osteopenia) on the basis of a dual-energy x-ray absorptiomery (DXA) scan. These patients also received a CT scan on which bone density measurements were performed ...

Analysis of illegal peptide biopharmaceuticals frequently encountered by controlling agencies.

MS / MS) for the identification of counterfeit and illegal injectable peptide preparations, extended with a subsequent quantification method using ultra-high performance liquid chromatography with ...

ATR-FTIR spectroscopy and chemometrics: An interesting tool to discriminate and characterize counterfeit medicines.

different API s. However k- NN performs the least while SIMCA performs the best. Secondly, it was tested whether these three models could be expanded to discriminate between genuine and counterfeit samples as ...

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