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DDC: 570 × Has files: Yes × Publisher: Basel : MDPI × search.filters.applied.f.series: Biomolecules 10 (2020), Nr. 7 ×

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    Cold atmospheric plasma is a potent tool to improve chemotherapy in melanoma in vitro and in vivo
    (Basel : MDPI, 2020) Alimohammadi, Mina; Golpour, Monireh; Sohbatzadeh, Farshad; Hadavi, Seyedehniaz; Bekeschus, Sander; Niaki, Haleh Akhavan; Valadan, Reza; Rafiei, Alireza
    Malignant melanoma is a devastating disease. Because of its aggressiveness, it also serves as a model tumor for investigating novel therapeutic avenues. In recent years, scientific evidence has shown that cold atmospheric plasma (CAP) might be a promising modality in cancer therapy. In this study, we aimed to evaluate the effect of CAP generated by an argon plasma jet alone or in combination with dacarbazine (DAC) on melanoma cells in vitro and in vivo. The effects of the CAP on inducing lipid peroxidation and nitric oxide production were higher in B16 melanoma cells in comparison to non-malignant L929 cells. Assays on cell growth, apoptosis, and expression of genes related to, e.g., autophagic processes, showed CAP to have a substantial impact in melanoma cells while there were only minoreffects in L929 cells. In vivo, both CAP monotherapy and combination with DAC significantly decreased tumor growth. These results suggest that CAP not only selectively induces cell death in melanoma but also holds promises in combination with chemotherapy that might lead to improved tumor control. © 2020 by the authors.
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    Starch and Glycogen Analyses : Methods and Techniques
    (Basel : MDPI, 2020) Brust, Henrike; Orzechowski, Slawomir; Fettke, Joerg
    For complex carbohydrates, such as glycogen and starch, various analytical methods and techniques exist allowing the detailed characterization of these storage carbohydrates. In this article, we give a brief overview of the most frequently used methods, techniques, and results. Furthermore, we give insights in the isolation, purification, and fragmentation of both starch and glycogen. An overview of the different structural levels of the glucans is given and the corresponding analytical techniques are discussed. Moreover, future perspectives of the analytical needs and the challenges of the currently developing scientific questions are included.