Topic
Chromium(III) oxide
About: Chromium(III) oxide is a research topic. Over the lifetime, 163 publications have been published within this topic receiving 2526 citations. The topic is also known as: green oxide of chromium & green chromium oxide.
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TL;DR: ZnO nanoparticles covered by Chromium (III) oxide (Cr2O3) were fabricated using spray pyrolysis and thermal evaporation technique to increase the H2S gas sensor repeatability.
17 citations
TL;DR: In this article, both the mechanism of BSA, HSA, and OVA adsorption on chromium(III) oxide and the structure of formed adorption layers were determined.
Abstract: The phenomenon of protein adsorption on solid surfaces is important in many scientific areas. It is a common process, but very complicated. In this paper, both the mechanism of BSA, HSA, and OVA adsorption on chromium(III) oxide and the structure of formed adsorption layers were determined. The adsorption process was examined as a function of solution pH and ionic strengths. Regardless of the protein type the highest adsorption level was observed when the pH value of the solution was close to the protein isoelectric point. Under these conditions the macromolecules have a compact and folded conformation that allows for the packing of a larger amount on the unit Cr2O3 surface. The minimum adsorption rate, regardless of the protein type, was observed at pH = 3. It can be related to the expanded conformation of macromolecules and the electrostatic repulsion between the positively charged Cr2O3 surface and the positively charged polymer segments. The obtained results may be very helpful in the development of r...
17 citations
TL;DR: In this paper, a spray pyrolysis method was used on n-type silicon wafers by using a chromium acetylacetonate complex, which gave different rates of film deposition.
16 citations
TL;DR: In this paper, the influence of the structure and ionic nature of polymers on the adsorption layer architecture was investigated and the most probable structures of the polymer adorption layers found at the solid particle-aqueous polymer solution interface were proposed.
Abstract: The aim of the presented study was to investigate the influence of the structure and ionic nature of polymers on the adsorption layer architecture. Chromium(III) oxide was used as an adsorbent. The surface behaviour with the addition of different polyamino acids or polyethylene glycol diblock copolymers was analyzed as a function of the solution pH. The analysis of the data obtained from the adsorption and electrokinetic measurements allowed for the proposal of the most probable structures of the polymer adsorption layers found at the solid particle–aqueous polymer solution interface. Moreover, the application of stability measurements enabled the determination of the interactions between the system constituents. Additionally, investigating the architecture of the adsorbed polymer chains on the solid particles is essential for the further applications of the studied macromolecular compounds.
16 citations
TL;DR: In this article, the mean diameter of ultrafine chromium (III) oxide powders has been determined as a function of the parameters of the reaction and the pressure in the reaction chamber, focusing the laser beam or using different carrier gases has a significant influence on the mean particle size.
16 citations