BACKGROUND Samples for diagnostic procedures often require some form of pre-analytical preparation for preservation or safe handling during transportation prior to analysis in the laboratory. This is particularly important for milk samples which frequently need preservatives to retain milk composition as close to that found in freshly collected samples as possible. METHODS Milk samples were t...

OBJECTIVES To examine the risk of wood dust and chemical exposures for adenocarcinoma of the nasal cavity and paranasal sinuses (ADCN) among German wood workers. METHODS An industry-based case-control study with 86 male ADCN cases and 204 controls was conducted in the German wood-working industries. Cumulative and average wood-dust exposure was quantified with a job-exposure matrix based on w...

Water hyacinth is a weed in Rawa Pening because of its rapid growth. A handling effort very crucial thing and must be done immediately. This study aims to characterize organic compounds liquid smoke from dried water hyacinth. ­­­­Characterization was carried out on which pyrolyzed at 200°C 600°C. Pyrolysis times were run 2 hours 6 hours. Liquid distilled before testing chemical composition usin...

A wide variety of materials used in manufactured items are subject to microbiological deterioration. Those materials which are of chief concern include textiles and cordage, paper, leather, paints, plastics and plasticizers, rubber, waxes, and wood. The organisms responsible for microbiological deterioration, their mode of attack, and effects on materials, have been reviewed (Greathouse et al.,...

Ziziphora clinopodioides is from the genus of Ziziphora and family of Lamiaceae,which grows in Iran and Turkey. This study was conducted to preserve the chemical and microbial quality of trout fish burger during storage using Ziziphora clinopodioides essential oil (ZEO) individually and in combination with nisin.  Firstly, the chemical composition of ZEO was deter...

stevia rebaudiana bertoni, is an ancient perennial shrub of south america, with great potential as a crop for the production of high-power natural sweetener. due to its chemical composition and content of the phytochemical compounds, it is suitable as a raw material for the extraction and production of functional foods. diterpene glycosides component of low-calorie sweetener is approximately 30...