Претраживање
Приказ резултата 41-50 од 134
Stimulating effect of sugar dusting on honey bee grooming behaviour
(Wiley, Hoboken, 2012)
The aim of this research was to investigate whether or not sugar dusting can stimulate the grooming behaviour in Apis mellifera L. (Hymenoptera: Apidae), an important defensive mechanism against Varroa destructor Anderson ...
Two structurally distinct chalcone dimers from Helichrysum zivojinii and their activities in cancer cell lines
(Pergamon-Elsevier Science Ltd, Oxford, 2014)
Dimers tomoroside A (1) and tomoroside B (2) of the co-occuring known chalcone monomer (3), along with the seven known flavonoid glucosides (4-10), were isolated from the aerial parts of Helichrysum zivojinii Cernjavski & ...
Effect of four lichen acids isolated from Hypogymnia physodes on viability of rat thymocytes
(Pergamon-Elsevier Science Ltd, Oxford, 2013)
Four lichen acids, physodalic acid (F1), physodic acid (F2), 3-hydroxyphysodic acid (F3), and isophysodic acid (F4), were isolated from Hypogymnia physodes methanol extract using preparative reversed-phase high performance ...
Effects of selenium yeast level in diet on carcass and meat quality, tissue selenium distribution and glutathione peroxidase activity in ducks
(Elsevier, Amsterdam, 2015)
The aim of this study was to assess how dietary supplementation of organic selenium affected carcass and meat quality, tissue selenium content and glutathione peroxidase activity in ducks. The study was performed on 240 ...
Evaluation of genotoxic effects of Apitol (R) (cymiazole hydrochloride) in vitro by measurement of sister chromatid exchange
(Elsevier Science Bv, Amsterdam, 2005)
Apitol((R)), with cymiazole hydrochloride as the active ingredient. is used in bee-keeping, against the ectoparasitic mite Varroa destructor. The preparation was evaluated for genotoxicity in cultured human peripheral blood ...
Oxidative stress, bioelements and androgen status in testes of rats subacutely exposed to cadmium
(Pergamon-Elsevier Science Ltd, Oxford, 2015)
The objective of our study was to examine testicular toxicity of cadmium (Cd), focusing on oxidative stress (OS), essential metals and androgenic status and morphological changes. Male Wistar rats [controls and four ...
Biocompatibility Investigation of New Endodontic Materials Based on Nanosynthesized Calcium Silicates Combined with Different Radiopacifiers
(Elsevier Science Inc, New York, 2017)
Introduction: The aim of this article was to analyze biocompatibility and bioactivity of new endodontic materials on the basis of nanosynthesized calcium silicates (ALBO-MPCA(1) and ALBO-MPCA(2)) combined with different ...
Functionalization of polycaprolactone/hydroxyapatite scaffolds with Usnea lethariiformis extract by using supercritical CO2
(Elsevier Science Bv, Amsterdam, 2016)
Investigation of an integrated supercritical fluid extraction and supercritical solvent impregnation process for fabrication of microporous polycaprolactone-hydroxyapatite (PCL-HA) scaffolds with antibacterial activity is ...
Integration of dry-column flash chromatography with NMR and FTIR metabolomics to reveal cytotoxic metabolites from Amphoricarpos autariatus
(Elsevier, Amsterdam, 2020)
Metabolomics generate a profile of small molecules from plant extracts, which could be directly responsible for bioactivity effects. Using thy-column flash chromatography enabled a rapid and inexpensive method for the very ...
Influence of beta-carotene and human chorionic gonadotropin on milk progesterone level and pregnancy rate in Holstein cows
(Wiley-Blackwell Publishing, Inc, Malden, 2010)