Publications by authors named "S P Schumann"
Article Synopsis
- This study compares the effectiveness of second-generation autologous platelet concentrate, Platelet-Rich Fibrin (PRF), with first-generation Platelet-Rich Plasma (PRP) in promoting wound healing through various biological assessments.
- It was found that PRF contains a higher concentration of leukocytes and has a more favorable effect on macrophage polarization, which is crucial for reducing inflammation and promoting healing.
- Additionally, PRF demonstrated superior pro-angiogenic potential, evidenced by increased neo-vessel formation and branching in vivo, making it a better option for regenerative medicine applications than PRP.
Effect of lead on photosynthetic pigments, antioxidant responses, metabolomics, thalli morphology and cell ultrastructure of Iridaea cordata (Rhodophyta) from Antarctica.
Comp Biochem Physiol C Toxicol Pharmacol
January 2025
Over the past decades, the concern about lead pollution in marine environments has increased due to its remarkable toxicity, even at low concentrations. Lead is one of the significant contaminants arising from human activities in Antarctica. However, its effects on polar photosynthetic organisms are poorly known.
View Article and Find Full Text PDFStudy Objective: Second-generation laryngeal mask airways are equipped with an additional lumen for a gastric tube, with the intention to reduce the risk of aspiration by draining gastric content. However, the effect of an inserted gastric tube through the gastric channel on gastric insufflation, a substantial part of the pathomechanism of aspiration, during positive-pressure ventilation is not clear. We hypothesized, that an inserted gastric tube increases the risk of gastric insufflation.
View Article and Find Full Text PDFArticle Synopsis
- * Researchers measured the pressure-flow relationships using different sizes of LMAs and varying vocal cord angles to understand their resistive behavior more clearly.
- * Findings indicate that upper airway resistance is a combined, nonlinear factor that primarily depends on the angle of the vocal cords, which accounts for 59-98% of the total resistance in adults when using an LMA.