We investigated changes in biochemical activity of a soil cultivated with Ocimum basilicum L. plants and in the oxidative stress of plants caused by the addition of biosolids and inorganic fertilizer. A greenhouse experiment was set up; it consisted of pots containing basil plants to which different treatments with biosolids and fertilizers were added. After 10 and 210 days of the incorporation of the treatments, both the biochemical properties and oxidative stress of the plants were evaluated. Mineralization of nitrogen (N) and respiratory activity increased with a higher dose of biosolid after 10 days of application. After 210 days, there were no changes in the mineralization of N and respiratory activity, catalase showed an increase, while microbial biomass carbon decreased. In relation to the oxidative stress, there was a decrease in the anthocyanin antioxidant capacity, and 2,2-diphenyl-1-picrylhydrazyl (DPPH), total flavonoids, and phenolic compounds were observed in soils treated with biosolids. The results indicated that the biochemical properties of the soil were favored in the presence of biosolids because they increased, especially after 10 days of application. The antioxidant capacity decreased in the presence of biosolids, which suggests that the amendment does not affect such capacity, and therefore oxidative stress could be reduced.
Las emisiones de los óxidos de azufre (SOx) producidas en las combustiones de los transportes originan contaminación ambiental. La acumulación de partículas de óxidos de azufre en la atmósfera produce lluvia ácida, la cual perjudica a los seres vivos y a las construcciones. Una alternativa para disminuir el contenido de azufre en los combustibles es el proceso de hidrodesulfuración. Este proceso es un tipo de hidrotratamiento que emplea catalizadores para disminuir el contenido de compuestos organoazufrados en gasolinas y diésel. Por lo tanto, legislaciones ambientales se han implementado para regular el contenido de azufre en los combustibles. Sin embargo, las gasolinas y diésel comerciales no lo cumplen. Esta es la razón por la que las investigaciones en el estudio de catalizadores continúan. Este trabajo muestra una revisión de modificaciones realizadas en catalizadores NiW, NiMo y CoMo utilizados en reacciones de hidrodesulfuración y cómo influyen en la actividad catalítica.
Aims and Objectives: The aim of this study was to describe the mechanism of dental implants osseointegration in patients with congenital and degenerative genetic bone disorders. Materials and Methods: A PubMed and Scopus documents search was carried out between November 2021 in the, using words such as “osseointegration,” “degenerative disease,” “congenital disease,” and “dental implants.” Results: The thirteen articles selected dealt with dental implants osseointegration in patients with congenital and degenerative bone disorders. The influence and repercussion of these diseases on the bone system, as well as the osseointegration process were described from healing to bone remodeling. In addition, certain articles described some considerations to improve the osseointegration process in patients suffering from these types of conditions. Conclusions: Within the limitations of this literature review we can conclude that osseointegration in patients with ectodermal dysplasia and osteoporosis could be achieved. However, the planning process for dental implant placement in these patients should be more meticulous and individualized considering the degree of tissue involvement as well as the patient’s age and skeletal development compared to systemically healthy patients.
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