The contribution of tephra constituents during biogenic silica determination: implications for soil and palaeoecological studies

Biogenic silica (BSi) is used as a proxy by soil scientists to identify biological effects on the Si cycle and by palaeoecologists to APPLE PECTIN study environmental changes.Alkaline extractions are typically used to measure BSi in both terrestrial and aquatic environments.The dissolution properties of volcanic glass in tephra deposits and their n

read more

Helicobacter pylori vacA and cagA genotypes in patients from northeastern Brazil with upper gastrointestinal diseases

Helicobacter pylori causes chronic gastric inflammation and significantly increases the risk of duodenal and gastric ulcer disease and distal gastric carcinoma.In this study, we evaluated the Helicobacter pylori vacA and cagA genotypes in patients from a Brazilian region where there is a high prevalence of gastric cancer.Polymerase chain reaction (

read more

Vague language as a means of avoiding controversy

Vague language describes the use of linguistic items including grammar and particularly lexis to modify and make the meaning of Womens dresses a communication less precise and less clear.While scientific and much academic language prides itself on rigour, precision and clarity, vague language, or VL, as it is known, is a linguistic device used in p

read more