Xanthohumol Effect on 2,3,7,8-Tetrachlorodibenzo--dioxin-Treated Japanese Quails in Terms of Serum Lipids, Liver Enzymes, Estradiol, and Thyroid Hormones.

Dioxins are compounds classified as persistent organic pollutants, from which 2,3,7,8-tetrachlorodibenzo--dioxin (TCDD) is the most toxic to living organisms. TCDD is considered a carcinogen and has proinflammatory influence on animals and humans, promoting free radicals' formation, and binding with the aryl hydrocarbon receptor (AhR) leads to expression of cytochrome p-450 genes that in turn predisposes to mutations. Natural flavonoids, in this case xanthohumol (XN), have been reported to attenuate TCDD toxicity through inhibition of the transformation of the AhR.

The Protective Effect of Xanthohumol on the Content of Selected Elements in the Bone Tissue for Exposed Japanese Quails to TCDD.

Dioxins (including 2,3,7,8-tetrachlorodibenzo--dioxin (TCDD) are highly toxic and persistent chemicals widely distributed in the environment in trace amounts, and are side products of industrial and chemical processes. Exposure to dioxins leads to multiorgan morphological and functional abnormalities, including within the bone tissue, disrupting its microarchitecture and mechanical properties. Xanthohumol (XN) is a chemical compound classified as a prenylated flavonoid, distinguished by multidirectional biological action.

Safety knowledge and safe practices at work: A study of Polish industrial enterprises.

Background: Knowledge management is a central resource in achieving the goals of occupational safety efforts.

Objective: The main objective of this study was to investigate the relationships between the implicit (tacit) and explicit (formal) safety knowledge of employees and their effects on employee propensity to follow safe practices at work.

Methods: A survey with seven safety constructs: 1) tacit safety knowledge, 2) explicit safety knowledge, 3) attitudes toward safety: psychological aspects, 4) attitudes toward safety: emotional aspects, 5) safety culture: behavioral aspects, 6) safety culture: psychological aspects, and 7) propensity to follow safety regulations and safe work practices (safety at work), was designed and used for data collection.

Effect of feeding different sources of selenium on growth performance and antioxidant status of broilers.

1. This study was conducted to determine the effect of different sources of selenium (Se) on breast and liver tissue deposition, apparent metabolisable energy (AME), growth performance and antioxidant status of broilers, measured as Se content in liver and breast tissues and glutathione peroxidase (GSH-Px) in blood, when used in 0-35 d broiler chicken diets. 2.

The relationships between the use of smart mobile technology, safety knowledge and propensity to follow safe practices at work.

The main objective of this study was to investigate the relationships between the use of smart technology (mobile phones) and the implicit (tacit) and explicit safety knowledge of employees and their propensity to follow safe practices at work. A survey was performed with seven constructs: (a) use of mobile technology; (b) tacit safety knowledge; (c) explicit safety knowledge of unsafe behaviors; (d) attitudes toward safety: emotional aspects; (e) safety culture: behavioral and psychological aspects of work; (f) safety culture: aspects of work; (g) safety culture: regulations at work. Workers from three manufacturing companies located in southeastern Poland completed a paper-based survey.