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    Application of Dynamic Electrochemical Impedance Spectroscopy Technique in Corrosion and Corrosion-Inhibition Studies
    (Apple Academic Press, 2023) Slepski, P.; Gerengi, H.; Solomon, M.M.; Umoren, S.A.
    The chapter discusses a new corrosion monitoring technique, the modified version of Electrochemical Impedance Spectroscopy (EIS) called the dynamic EIS (DEIS). It is adjudged, at present as best suited technique for corrosion monitoring and corrosion inhibition measurements because of its ability to track corrosion processes in a changing environment. A brief theoretical background of the DEIS, the advantages of DEIS in comparison to other electrochemical techniques, as well as the limitations of the DEIS have also been highlighted in the chapter. © 2023 Apple Academic Press, Inc.
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    Author Correction: Sodium nitrite as a corrosion inhibitor of copper in simulated cooling water (Scientific Reports, (2021), 11, 1, (8353), 10.1038/s41598-021-87858-9)
    (Nature Research, 2021) Rizvi, M.; Gerengi, H.; Kaya, S.; Uygur, I.; Yıldız, M.; Sarıoglu, I.; Ibrahimi, B. E.
    An amendment to this paper has been published and can be accessed via a link at the top of the paper. © 2021, The Author(s).
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    Factors affecting biopolymers grafting
    (Wiley Blackwell, 2023) Rizvi, M.; Gupta, P.; Kumar, H.; Dhameja, M.; Gerengi, H.
    Graft copolymerization of polymers is an effective way to mix the characteristics of two or more kinds of polymers in a single unit. Presently, graft copolymerization is extensively researched as a helpful means for the modification of characteristics of natural biopolymers to obtain newer polymeric materials with hybrid properties. There are numerous factors involved in grafting biopolymers. Several of the many variables that control grafting will be discussed, including the nature of the backbone, monomer, solvent, initiator, additives, temperature, etc. © 2023 John Wiley & Sons, Inc. All rights reserved.
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    An investigation of the corrosion of magnesium alloys for resorbable biomedical implants
    (Assoc Italiana Metallurgia, 2023) Nani, L.; Cabrini, M.; Carrozza, A.; Lorenzi, S.; Gerengi, H.; Gritti, L.; Persico, T.
    The aim of this paper is to evaluate the mass loss rates of two magnesium and rare earth alloys, specifically WE43B and EV31A, in comparison with commercially pure magnesium. The growing interest for magnesium alloys in the field of bioabsorbable osteosynthesis devices is because they simultaneously fulfil the needs of biocompatibility and superior mechanical performance compared to biodegradable polymers. Weight loss tests were carried out for different exposure times in aerated isotonic solution (0.9% NaCl) at 37 degrees C. The results obtained showed excellent corrosion resistance of alloy WE43B compared to the other analyzed materials. Otherwise EV31A alloy exhibited numerous localized attacks, although showing lower weight loss than commercially pure magnesium. Alloy WE43B has a constant dissolution rate over the exposure time, whereas alloy EV31A and commercially pure magnesium exhibit a rate of corrosion that decreases over time due to the strong alkalinization of the solution and the deposition of a thick layer of corrosion products.
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    An investigation of the corrosion of magnesium alloys for resorbable biomedical implants; [Indagine sulla corrosione di leghe di magnesio per impianti biomedici riassorbibili]
    (Associazione Italiana di Metallurgia, 2023) Nani, L.; Cabrini, M.; Carrozza, A.; Lorenzi, S.; Gerengi, H.; Gritti, L.; Persico, T.
    The aim of this paper is to evaluate the mass loss rates of two magnesium and rare earth alloys, specifically WE43B and EV31A, in comparison with commercially pure magnesium. The growing interest for magnesium alloys in the field of bioabsorbable osteosynthesis devices is because they simultaneously fulfil the needs of biocompatibility and superior mechanical performance compared to biodegradable polymers. Weight loss tests were carried out for different exposure times in aerated isotonic solution (0.9% NaCl) at 37 °C. The results obtained showed excellent corrosion resistance of alloy WE43B compared to the other analyzed materials. Otherwise EV31A alloy exhibited numerous localized attacks, although showing lower weight loss than commercially pure magnesium. Alloy WE43B has a constant dissolution rate over the exposure time, whereas alloy EV31A and commercially pure magnesium exhibit a rate of corrosion that decreases over time due to the strong alkalinization of the solution and the deposition of a thick layer of corrosion products. © 2023 Associazione Italiana di Metallurgia. All rights reserved.