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Приказ резултата 21-30 од 287
Biotransformation of Perrottetin F by Aspergillus niger: New Bioactive Secondary Metabolites
(Türkiye : ACG Publications, 2021)
Biotransformation of bis-bibenzyl perrottetin F (1), isolated from the liverwort Lunularia cruciata by Aspergillus niger, has been investigated. New metabolites (2-4) have been isolated using reversed phase semipreparative ...
Element Content in Volcano Ash, Soil and River Sediments of the Watershed in the Volcanic Area of South Iceland and Assessment of Their Mobility Potential
(MDPI, 2021)
In this work, we present the results of element content in river sediments and soil of the Rangárvellir river in southern Iceland as well as in the volcano ash from the Eyjafjallajökull eruption in 2010. Severe natural ...
Implementation of the Chicot–Lesage Composite Hardness Model in a Determination of Absolute Hardness of Copper Coatings Obtained by the Electrodeposition Processes
(MDPI, 2021)
The influence of various electrolysis parameters, such as the type of cathode, composition of the electrolyte and electrolysis time, on the morphology, structure and hardness of copper coatings has been investigated. ...
Development of Lipid-Based Gastroretentive Delivery System for Gentian Extract by Double Emulsion-Melt Dispersion Technique
(MDPI, 2021)
Gentian (Gentiana lutea L., Gentianaceae) root extract (GRE) is used for the treatment of gastrointestinal disorders. However, its bioactive potential is limited in conventional forms due to the low bioavailability and ...
Achillea clypeolata sibth. & sm. essential oil composition and qsrr model for predicting retention indices / Hemijski sastav etarskog ulja Achillea clypeolata Sibth. & Sm. И QSRR model za predviđanje retencionog vremena
(Belgrade : Serbian Chemical Society, 2021)
The aim of this study was the prediction model of retention indices of compounds from the aboveground parts of Achillea clypeolata Sibth. & Sm. essential oil, obtained by hydrodistillation and analysed by GC-MS. The ...
Influence of cultivar, soil conditioners and NPK fertilizers on yield components and bean grain yield
(Banja Luka : University of Banja Luka, Faculty of Agriculture, 2021)
The primary goal of bean production is to obtain high and stable yields, in which an
important role. For that reason, in this manuscript we investigated the impact of
cultivar, soil conditioners and NPK fertilizer on ...
Optimization of the active component grinding process and hydrophobization of the obtained powder fire extinguisher / Optimizacija mlevenja aktivne komponente i hidrofobizacija dobijenog sredstva za gašenje požara]
(Beograd : Savez hemijskih inženjera, 2021)
This work presents a grinding process of monoammonium phosphate (MAP) as an active component in a powder fire extinguisher (PFE). The aim was to determine the grinding time for reaching the optimal particle size of MAP ...
The effects of biocides on the growth of aerophytic green algae (Chlorella sp.) isolated from a cave environment
(Beograd : Institut za bioloska istrazivanja, 2021)
Lampenflora communities of bacteria, cyanobacteria, algae, mosses and lichens colonize illuminated show-caves as a consequence of disturbances to the caves’ ecological equilibrium. These communities have unesthetic impacts ...
Phytochemical study of the genus amphoricarpos / Фитохемијско истраживање биљног рода Amphoricarpos
(Serbian Chemical Society, 2021)
Phytochemistry deals with the study of secondary metabolites produced by plants that synthesize these compounds for many reasons, including their own protection against attack of herbivores and plant diseases. Secondary ...
Influence of alumina addition on structural and catalytic properties of sulphated zirconia in isomerization of n-hexane
(Novi Sad : University of Novi Sad, Faculty of Technology, 2021)
New binary catalytic systems based on sulphated zirconia-alumina were synthesized by controlled hydrolysis of alkoxides using relative molar ratios of constituents 1:1, 1:2 and 1:3 in favour of zirconia. The obtained ...