Marton, Dan-Robert

The present invention discloses an innovative and highly optimized process for synthesizing nanostructured metallic surfaces by introducing key modifications to traditional surface treatment techniques, specifically electrochemical anodization and non-thermal (low-pressure) plasma treatment. The disclosed procedure overcomes several limitations of conventional methods, such as inconsistent structural quality and limited material compatibility, by strategically enhancing the interaction between the metal substrate and the external treatment environment. By optimizing variables such as voltage, treatment duration, and plasma power, the process facilitates the creation of nanostructures that exhibit significantly improved mechanical properties, including enhanced strength, hardness, and wear resistance. These surface modifications result in materials with superior performance characteristics, making them particularly suitable for use in high-performance applications across a variety of fields, including medical devices, environmental monitoring systems, and industrial components subject to extreme wear and corrosion conditions. The described method offers an advanced, scalable approach to producing high-quality nanostructured metallic surfaces with precise control over morphology, porosity, and surface functionality, thereby opening new opportunities for innovation in the design and manufacturing of advanced materials for both specialized and broad-use applications.

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The method for treatment metals and metal alloys used for implants, especially vascular stents, is provided. The method comprises of three combined steps, including the first plasma-treatment step, the hydrothermal treatment and the second plasma-treatment step. The first plasma-treatment step assures for a contaminant-free surface with high surface energy, which in turn enables nucleation sites of appropriate properties for depositing a nano-structured film of titanium oxide. The next step is the deposition of a titanium oxide film. The second step is preferably performed within 10 to 1000 s after the first plasma treatment to minimise the risk of spontaneous hydrophobic recovery. The as-deposited materials are further treated by the second plasma treatment, which assures for appropriate surface finish and crystallinity of the thin nano-structured titanium oxide film. The methods of invention enable the formation of the titanium oxide layer on the surface of metals or alloys with improved biocompatibility/hemocompatibility against state of the art.

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The present invention relates to a method a method for simultaneous determination of microparticle (or micro particle, respectively) concentration and their morphological and physiological traits in a sample, the method comprising the steps of providing said sample in a sensing chamber with a detection system, exposing said sample to predefined excitation wavelengths in said sensing chamber, simultaneously detecting of emitted signals of said sample in reaction of said exposing step, calculating an average signal intensity on the basis of the detected signals; and determining the microparticle concentration of said sample and their morphological and physiological traits in a simultaneous manner on the basis of said average signal intensity.

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