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Prikaz rezultata 191-200 od 229
Stimuli-Sensitive Hydrogel Based on N-Isopropylacrylamide and Itaconic Acid for Entrapment and Controlled Release of Candida rugosa Lipase under Mild Conditions
(Hindawi Ltd, London, 2014)
Stimuli responsive pH- and temperature-sensitive hydrogel drug delivery systems, as those based on N-isopropylacrylamide (NiPAAm) and itaconic acid (IA), have been attracting much of the attention of the scientific community ...
Assessing the pharmacological potential of selected xanthene derivatives / Određivanje farmakološke aktivnosti derivata ksantena
(Serbian Chemical Society, 2023)
A convenient and efficient approach toward the synthesis of seven aromatically substituted xanthendiones 1‒7 and one structurally-related xanthenone 8 through condensation of dimedone and the appropriate aromatic aldehyde ...
Simulated Body Fluids Prepared with Natural Buffers and System for Active pH Regulation
(Iranian Institute of Research and Development in Chemical Industries, 2022)
The current study focuses on creating an initial highly alkaline simulated body fluid whose pH can be decreased to a physiological range by adding CO2 (protein-free simulated body fluid) or a combination of CO2 and human ...
Design of anti-tarnish sterling silver ag-cu-zn alloy and investigation of silicon addition influence on mechanical and corrosion characteristics / Dizajn legura sterling srebra Ag-Cu-Zn otpornih na tamnjenje i ispitivanje uticaja dodatka silicijuma na mehaničke i korozione karakteristike
(Association of the Chemical Engineers of Serbia, 2018)
This paper presents investigations of the influence of silicon addition on the mechanical and corrosion characteristics of the sterling silver Ag-Cu-Zn alloys. The procedure for obtaining Ag-Cu-Zn-Si alloys in small ranges ...
Multi-criteria analysis of synthesis methods for ni-based catalysts
(Inst Za Kovinske Materiale I In Tehnologie, Ljubjana, 2016)
Catalysts based on the Ni/Al2O3 system are used in a variety of catalytic processes. Catalysts are commonly synthesized through thermochemical routes (impregnation, precipitation, coprecipitation and others). The authors ...
Influence of Chitosan Coating on Mechanical Stability of Biopolymer Carriers with Probiotic Starter Culture in Fermented Whey Beverages
(Hindawi Ltd, London, 2015)
The aim of this study was to improve the mechanical stability of biopolymer carriers and cell viability with addition of chitosan coating during fermentation process and product storage. Dairy starter culture (1% (w/v)) ...
Impact of carrier material on fermentative activity of encapsulated yoghurt culture in whey based substrate
(Savez hemijskih inženjera, Beograd, 2017)
The main objectives of this paper were to study the influence of the carrier material used for encapsulation and of bead size to fermentative activity and viability of the dairy starter culture Lactoferm ABY 6. Encapsulation ...
Graphene Based Composite Hydrogel for Biomedical Applications
(Croatian Chemical Soc, Zagreb, 2017)
In this work, composite hydrogel consisting of poly(vinyl alcohol), graphene and silver nanoparticles, (Ag/PVA/Gr), was prepared by the immobilization of silver nanoparticles (AgNPs) in PVA/Gr hydrogel matrix in two steps. ...
Analysis of mechanical and structural properties of micro alloyed steel welded joints depending on quality of cored wire
(University of Osijek, Tech Fac, Slavonski Brod, 2013)
The aim of this study was to master new quality cored wires made of steel strips and the cores filled with metal powders and low molecular hydrophobic compounds. For experimental research, the specimens were made of micro ...
The influence of powder feed rate on mechanical properties of atmospheric plasma spray (APS) Al-12Si coating
(Walter de Gruyter Gmbh, Berlin, 2019)
In this paper, structural and mechanical properties of APS - atmospheric plasma spray coating Al-12Si are presented. The aim of the research was the optimisation of the flow of powder to produce layers with optimal mechanical ...