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Principal component and cluster analyses as supporting tools for co-crystals detection

Furosemide; Caffeine; Co-crystals; Chemometry; Principal component analysis; Cluster analysis - & Marek Wesolowski molar ratio, while co-crystals in molar ratios of 2:1 and 1:2 were not formed. The poor

Comparison of Infusions from Black and Green Teas (Camellia sinensis L. Kuntze) and Erva-mate (Ilex paraguariensis A. St.-Hil.) Based on the Content of Essential Elements, Secondary Metabolites, and Antioxidant Activity

Antioxidant Activity Pawel Konieczynski 0 Agnieszka Viapiana 0 Marek Wesolowski 0 0 Department of Analytical Chemistry, Medical University of Gdansk , Gen. J. Hallera 107, 80-416 Gdansk , Poland The aim of ... interest. Marek Wesolowski declares that he has no conflict of interest. Informed Consent Informed consent was obtained from all individual participants for whom identifying information is included in this

The Phenolic Contents and Antioxidant Activities of Infusions of Sambucus nigra L.

The aim of this work was to evaluate the antioxidant potential of teas prepared from twenty-four commercially available berries and flowers of Sambucus nigra L. in relation to their phenolic profile, as reflected by the most representative phenolic acids (caffeic, chlorogenic, p-coumaric, ferulic, gallic and syringic acids); flavonols (quercetin, kaempferol, myricetin and rutin); ...

Compatibility studies of hydrocortisone with excipients using thermogravimetric analysis supported by multivariate statistical analysis

component analysis; Cluster analysis - & Marek Wesolowski Introduction Preformulation stage of solid dosage formulations includes detection of possible interactions of an active pharmaceutical ingredient

Thermogravimetric detection of incompatibilities between atenolol and excipients using multivariate techniques

Marek Wesolowski 0 Barbara Rojek 0 0 M. Wesolowski (&) B. Rojek Department of Analytical Chemistry, Medical University of Gdansk , Gen. J. Hallera 107, 80-416 Gdansk, Poland The purpose of this

Detection of magnesium compounds in dietary supplements and medicinal products by DSC, Infrared and Raman techniques

Marek Wesolowski 0 Edyta Leyk 0 Piotr Szynkaruk 0 0 M. Wesolowski (&) E. Leyk P. Szynkaruk Department of Analytical Chemistry, Medical University of Gdansk , Gen. J. Hallera 107, 80-416 Gdansk

Salivary cortisol in women with major depressive disorder under selective serotonin reuptake inhibitors therapy

Depression is one of the widespread diseases whose etiology is still unclear. Dysregulation of the hypothalamic–pituitary–adrenal axis can be the cause of this illness which is concomitant with a high level of cortisol. For this reason, the purpose of the study was to estimate the influence of the selective serotonin reuptake inhibitors (SSRIs) therapy used in monotherapy and ...

Application of physicochemical data for water-quality assessment of watercourses in the Gdansk Municipality (South Baltic coast)

The paper presents water-quality evaluation based on an 8-year monitoring programme in the Gdansk Municipality region, on the Southern coast of the Baltic Sea. The studies were carried out from 2000 to 2007 by surface water analysis at 15 various sites within eight watercourses. Sampling sites included rather urbanized or developed lands, farming fields and non-polluted city ...