Depth profiles of the near-surface region and chemical composition for amorphous films deposited from Ge33As12Se55 bulk glasses and their changes resulting ageing under ambient conditions have been studied by the methods of Auger electron spectroscopy.
The conditions of a reaction between pyrite medium-metamorphized coal and air-steam mixture in the kinetic area. Development of experimental-statistical mathematical models. Determination of the optimal factors for the oxidative desulfurization of coal.
Determination of aminoglycoside antibiotics (gentamicin, kanamycin, amikacin, neomycin) in food products by the method of polarization fluorescent immunoassay. Influence of the size of a fluorescent molecule on the degree of polarization of fluorescence.
The carotenoid nature of the glycoside is protocrocin. Study of the dependence of the chemical composition of a saffron product on its growing season, time of collection, storage and processing. Accumulation of protocrokin and its transformation.
Obtain a carbamazepine nanoemulsion for intravenous administration. The nanoemulsions were evaluated concerning droplet size, zeta potential and drug content. Preliminary studies of anticonvulsant activity for resulting formulation were carried out.
Synthesis ferroelectric compounds Sr(B1/3Nb2/3)O3 by solid state reaction technique. Consideration of the correlation between the dielectric response and transport behavior. Emprovement dielectric material properties. Motion energy storage devices.
Classification of terpenes. Diterpenes - organic compounds of terpenes group consisting of 4 isoprene units. Properties. Application. Drugs of the triterpene saponins. Gliderinin. Bioslastilin. Physical and chemical properties of triterpene saponins.
Investigation of the formation of complex nickel-based electrolytic coatings with filler particles of various sizes with silicon carbide. Prospects and efficiency of using CEP to increase the wear resistance of working bodies of tillage machines.
Study the effect of ultra-low concentrations of docetaxel and recombinant human beta-defensin-2 in the nanomolar range clusters on the proliferation and viability of anaplastic thyroid carcinoma KTC-2 cells. Expression of cell cycle regulatory factors.
- 100. Effect of surface phenomena on selective separation properties of liquid crystal stationary phase
The distribution of contribution of adsorption and dissolution to retention volume of individual components in gas-liquid chromatography as dependent on the amount of liquid crystal stationary phase deposited on solid support and on the temperature.
Development of a method of mixing the hydroxides for the preparation of Lі[Ni0.5Co0.25Mn0.25]O2 from the respective products. Determination of average grain size, the measurement of impedance. Study of electrochemical properties using cyclic voltammetry.
Study of the electrochemical oxidation of methyl tert-butyl ether on micromodified and composite lead dioxide anodes. Anodic conversion of MTBE and electrochemical processes of water oxidation with formation of hydroxyl radicals and molecular oxygen.
In this study, the electroplating method used silver on copper ores, which is a coating method by forming a coating on a surface using silver salts as a source of silver and potassium nitrate as a catalyst source. Formation of a complex with a silver ion.
The reaction of the amino acid alanine with zinc sulfate in hydroculture. Calculation of the constant of formation zinc-alanine particle in order to benefit from electrolytes in the galvanic plating with zinc and depositing them on the solid electrodes.
Electrodeposition of cobalt-silver and cobalt-tungsten alloys from citrate electrolyte. Characteristic of their catalytic and anticorrosive properties. Effect of the ratio of the electrolyte components depending on the composition of the cobalt alloy.
Equilibrium spatial structure of the Si89(OH)43 H36 cluster model simulated for a pyramid-like formation on porous silicon surface has been calculated within the frameworks of density functional. Distribution of electronic charge and static field is got.
Chemical hazards and toxic substances pose a wide range of health hazards (such as irritation, sensitization, and carcinogenicity) and physical hazards (such as flammability, corrosion, and explosibility). Explosives. Gases. Flammable liquids, solids.
The structural, theoretical and synthetic properties of enamines which act as important intermediates in many syntheses of organic compounds containing oxygen. Cycloaddition reactions, electrochemistry, hydrolysis and biochemistry of metalated enamines.
Testing scheme of the synthesis of ester atsalamov acids and subsequent cyclization of the intermediate 3-hydrazinopyridazine-2-ones with carbonyl-containing compounds to provide chemical diversity of the final products containing a practical substitute.
- 110. Enhancement of the hydrogen sorption on mesoporous carbon by doping with palladium nanoparticles
Using the matrix synthesis protocol of Ryoo for the preparation of highly ordered cubic mesoporous carbon using mesoporous silica as a template, in order to prepare palladium-doped. Analyzes formation of mesoporous carbon followed by X-ray diffraction.
Kinetic regularities of epoxy resins modification by aliphatic and aromatic dibasic acids have been studied. The effective rate constants and activation energies of the reactions between epoxy resin and acids by different nature have been calculated.
- 112. Ethylene Diamine Functionalized Citrate-Capped Gold Nanoparticles for Metal-Enhanced Bioluminescence
Metal-enhanced bioluminescence is a complex photophysical event which manifests itself in manifold luminescence enhancement and depends on many parameters. The parameters include the distance between the luminescent source and the nanomaterial surface.
The ultrasonic cavitation activity in aqueous solution of carbon dioxide was studied. The ICA-3M cavitometer was used for cavitation activity estimation. Erosion rate was estimated in a number of regimes. The spectra of cavitation noise were recorded.
Discusses the amorphous materials in terms of absorption of electromagnetic infrared radiation as the integral characteristic of a photoelectric converter. The spectrum obtained experimentally was shown with the consideration of the main absorption peak.
Synthesis of a polymer by the reaction between maleic acid and 2-methylquinoxaline 1,4-dioxide. Using photocatalysis during synthesis. The reaction of the polymer with maleic acid molecules. Determination of the reaction mechanism and polymer structure.
Електрохiмiчна регенерація розчинів у виробництві оксидованих полiсахаридiв. Процес окислення йодат-іонів до перйодат-iонiв на платинових та дiоксидсвинцевих титанових анодах. Ефективність анодних матеріалів. Ітенсифiкуючий вплив домішків хлорид-iонiв.
Brief biographical information about the life of F. Haber - a German chemist and Nobel laureate. Investigation the reaction of nitrogen with hydrogen, which produces ammonia. The essence of Le Chatelier's Principle. The main function of the catalyst.
- 118. Famous chemists
Dmitro Ivanovich Mendeleev - the great Russian scholar and lexicographer, chemist and physicist, engineer, geologist and even a meteorologist. Mikhail Lomonosov. Ukrainian chemist - Ivan Gorbachevski. Amedeo Avogadro. Ernest Rutherford. Robert Boyle.
The using nickel powders as electrode materials in multilayered ceramic capacitors. Development of technology of Ni/NiO nanopowders obtaining with particle size of 20 nm and minimal impurities content. The analyses of powder microstructure the products.
Plastic additives as a wide range of chemicals used by resin manufacturers, compounds and manufacturers to improve the properties, processing and characteristics of polymers. Features of their chemical composition and conditions of effective use.