Common walnut (Juglans regia L) is an economically important species cultivated worldwide for its wood and nuts. It is generally accepted that J. regia survived and grew spontaneously in almost completely isolated stands in its Asian native range after the Last Glacial Maximum. Despite its natural geographic isolation, J. regia evolved over many centuries under the influence of human management...

This study aims to present the in vitro inhibitory effect of Psidium guajava and Juglans regia leaf extracts on the main developer of acne lesions, Propionibacterium acnes (P. acnes), and other organisms that are isolated from acne lesions. Thirty-eight subjects (males and females) who had various types of acne were enrolled in the study. The contents of the acne lesions were cultured and the f...

Copper (Cu) is an essential element for plants and microorganisms at larger concentrations a toxic pollutant. A number of factors controlling Cu dynamics have been reported, but information on quantitative relationships scarce. We aimed to (i) quantitatively describe predict soil (CuAR) in aqua regia considering site-specific effects pH, organic carbon (SOC) cation exchange capacity (CEC), (ii)...

Karst features such as polje are highly vulnerable to natural and anthropogenic pollution. The main objectives of this study were investigate the soil quality in Ioannina (north-west Greece) concerning arsenic (As) zinc (Zn), delineate their origin well compare As Zn content with criteria recorded literature. For purpose, geomorphological settings, land use, physicochemical properties mapped ev...

Gold single-atom catalysts (SACs) exhibit outstanding reactivity in acetylene hydrochlorination to vinyl chloride, but their practical applicability is compromised by current synthesis protocols, using aqua regia as chlorine-based dispersing agent, and high susceptibility sintering on non-functionalized carbon supports at >500 K and/or under reaction conditions. Herein, a sustainable route carb...

Abstract Phosphorus recycling from sewage sludge will be obligatory in Germany 2029. content determination is crucial to assess the prescribed rates. Currently, German law regards sample preparation using aqua regia digestion a microwave or under reflux conditions as well instrumental phosphorus by ICP-OES, ICP-MS, photometric with ammonium molybdate equivalent. However, it questionable whether...

Abstract This article discussed on the status of heavy metals (As, Cr, Cu, Mn, Ni, Pb and Zn) pollution in coastal sediment cores assess quality from Usukan Beach, Kota Belud. Several geochemical parameter analyses such as pH, moisture content (MC), organic matter (OM) granulometric size were performed to identify physico-chemical properties sediments that affect assessment metal pollution. Hea...

This paper describes AQUA, a question answering system. AQUA combines Natural Language processing (NLP), Ontologies, Logic, and Information Retrieval technologies in a uniform framework. AQUA makes intensive use of an ontology (which encode knowledge) in several parts of the question answering system. The ontology is used in the refinement of the initial query, the reasoning process (a generali...

The forest litter and underlying mineral topsoil are typically sampled analyzed separately although they in a dynamic balance, which ensures macro- microelement cycling the ecosystem, including flux accumulation of xenobiotics contaminated sites. Although national legal regulations specify single limits element concentration for entire “topsoil” layer, irrespectively kind materials resting at e...