The major acidic and phenolic biogenic materials in adult-camel urine were characterized using gas chromatography-mass spectrometry. The adult-camel urine sample was treated with glucuronidase/ arylsulfatase enzyme followed by extraction on Sep-Pak® C8 column. The water soluble compounds, including urea and creatinine, were washed out using water containing 0.4% trifluoroacetic acid. Ethyl acet...

Purpose To investigate gut microbiota composition and fecal metabolic phenotype in patients with acute anterior uveitis. Methods Fecal DNA was extracted from 78 fecal samples (38 acute anterior uveitis (AAU) patients and 40 family members of patients or sex- and age-matched healthy controls) and then sequenced by high-throughput 16S rDNA analysis. Gas chromatographic mass spectrometry (GC-MS)...

This paper presents an analytical investigation of paint reconstructions prepared with linseed oil that have undergone typical 19th century treatments in preparation for painting. The oil was mechanically extracted from the same seed lot, which was then processed by various methods: water washing, heat treatments, and the addition of driers, with and without heat. A modern process lead white (D...

Rosacea is a common chronic, and sometimes progressive, dermatosis. It is characterized, alone or in combination, by central facial erythema,symmetric flushing, stinging sensation, inflammatory lesions (papules and pustules), telangiectasias, and phymatous changes (tissue hyperplasia and nodules). Rosacea can occur in adults of any ethnicity,and adversely affects patients' quality of life. The ...

evidence acquisition a wide variety of treatment regimens exist for acne vulgaris including benzoil peroxide, retinoids, isotretinoids, keratolytic soaps, alpha hydroxy acids, azelaic acid, salicilic acid as well as hormonal, anti-androgen or antiseborrheic treatments. however, none of these methods is free of side effects and their exact role in therapy is not clear. in this paper apart from p...