Претраживање
Приказ резултата 21-30 од 108
Effects of 5-Fluorouracil, Etoposide and CdCl2 in Aquatic Oligochaeta Limnodrilus udekemianus Claparede (Tubificidae) Measured by Comet Assay
(Springer International Publishing Ag, Cham, 2015)
Genotoxicity of 5-fluorouracil (5-FU), etoposide (ET) and cadmium chloride (CdCl2) was evaluated in Limnodrilus udekemianus, cosmopolitan tubificid species, by alkaline single-cell gel electrophoresis (comet assay). Groups ...
Comparative analysis of antioxidative systems in malignant and benign brain tumours
(Taylor & Francis Ltd, Abingdon, 2015)
Objectives: Comparison of redox conditions in malignant and benign tumours is essential for understanding the role of reactive oxygen species in the pathophysiology of aggressive cancer profiles. Here we compare antioxidative ...
Manganese concentration in plants of the protected natural resource, Kosmaj, in Serbia
(Srpsko biološko društvo, Beograd, i dr., 2015)
This study was focused on determining the manganese (Mn) concentration in vegetative organs of 10 plant species (8 woody and 2 herbaceous), from four sites in the protected natural resource Kosmaj. The concentration of Mn ...
Lead Telluride Doped with Au as a Very Promising Material for Thermoelectric Applications
(Hindawi Ltd, London, 2015)
PbTe single crystals doped with monovalent Au or Cu were grown using the Bridgman method. Far infrared reflectivity spectra were measured at room temperature for all samples and plasma minima were registered. These ...
Early flowering species - model plants for studies of ontogenesis in vitro
(Univerzitet u Beogradu - Biološki fakultet - Institut za botaniku i botaničku baštu "Jevremovac", Beograd, 2015)
Chenopodium rubrum L. and Chenopodium murale L. are two annual weed species with different photoperiodic demands. The use of species from the same genus, with a similar type of morphogenesis but with different photoperiodic ...
Correlations between the anatomical traits of gymnocladus canadensis lam. In heartwood and sapwood of early- and latewood zones of growth rings
(Srpsko biološko društvo, Beograd, i dr., 2015)
This paper shows correlations between vessel characteristics and differences in growth-ring width in heartwood and sapwood. Analyzed samples were from an iron-wood tree (Gymnocladus canadensis Lam.) that grew in the ...
Two step sintering of the ZnTiO3 nanopowder
(Belgrade : Institute for Multidisciplinary Research, University of Belgrade, 2015)
Metastabile nanopowder ZnTiO3 pressed into cylindrical compacts at 200 MPa was submitted to conventional heating with isothermal holding at 931oC for 10 minutes, 25 minutes and 40 minutes. Same compacts were heated with ...
The Effects of Aggressive Environments on the Properties of Fly Ash based Geopolymers
(IOP Publishing Ltd, Bristol, 2015)
This paper analyzes the effects of two different aggressive environments, concentrated ammonium nitrate solution (480 g/dm(3)) and sodium sulphate solution (50 g/dm(3)), on the structure and mechanical strength of fly ash ...
Identification of phenolic compounds in cecidogen and Linaria vulgaris. Changes in phenolic metabolism during gall formation induced by Rhinusa pilosa
(Serbian Plant Physiology SocietyInstitute for Biological Research “Siniša Stanković” – National Institute of Republic of Serbia, University of Belgrade, 2015)
Rhinusa pilosa (Gyllenhaal) (Coleoptera, Curculionidae) induces galls in Linaria vulgaris Mill., Yellow or
common toadflax (Plantaginaceae). Gall is defined as atypical plant growth induced by host-specific organisms,
and ...