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Macromolecular oxidation was detected in proteins by the colorimetric measurement of Advanced Oxidation Protein Products (AOPP) and in lipids by the colorimetric quantification of malondialdehyde (MDA). Standard curves were run with chloramine-T and 1,1,3,3 tetraethoxypropane (TEP) for AOPP and MDA methods, respectively [29][30][31]. Values were normalized to initial protein content in samples, measured with Bradford reagent [32]. The standard deviation of at least six measures was calculated and p-value < 0.05 were considered significant.

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Mesh, in the context of sieving, denotes the number of openings in a linear inch of a screen or sieve. A 1250 mesh sieve indicates an incredibly fine mesh size, where particles pass through a sieve with approximately 1250 openings per square inch. This level of fineness is crucial for applications requiring minute particle separation, such as in the production of high-quality powders or ultra-refined materials.

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2. The preparation of the lining powder: The above-mentioned final immersion liquid 1000 ml in a 2000 ml beaker, heated to 98 ° C, and then added 4 g of ammonium persulfate with a magnetic stirrer stirring 0. 5h, after the oxidation of the solution, adding polyacrylamide 02%。 The solution, the volume of the solution is 0.02%. After lh filtration, the obtained filtrate is subjected to sulfurization and impurity removal, and zinc powder is substituted to obtain a zinc sulfate ammonia refining complex liquid. 122. 9g of antimony sulfide (without water) and 21. 7g of sodium sulfide (without water) are mixed and dissolved in distilled water to obtain a metathesis reaction solution, and a nonionic surfactant 0P-10 (for nonylphenol and epoxy) is added to the solution. The condensate of acetamidine) 0. 2g, the reaction temperature is 40 ° C, the stirring speed is 15m / s, stir well for 40min, then slowly added to 1000ml zinc sulfate ammonia refining complex, continue to stir for 30min and then add quality The fractionation is 30% 3⁄40 2 of desulfurization bleaching, and after bleaching, the nZnS-BaS0 4 crystal filter cake is separated by filtration.

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  • One of the key benefits of using R-906 rutile TiO2 is its ability to improve the overall quality of printed materials. By providing excellent whiteness and opacity, R-906 enhances the visual appeal of printed products, making them more eye-catching and professional-looking. Additionally, the chemical stability of R-906 ensures that printed materials maintain their color and appearance even under harsh environmental conditions, such as high humidity and exposure to sunlight.