Синтез, микроструктура и магнитные свойства магнитомягких пленок СоР

Soft magnetic thin CoP films were obtained by means of chemical metallization from aqueous cobalt salt solution in the presence of sodium hydroxide, citric acid and sodium hypophosphite as the reducing agent. The optimal values of the magnetic film parameters (saturation magnetization and width of ferromagnetic resonance line) were obtained by variation of composition of work solutions. It allows to reduce losses in their application in microwave devices. Microphotographs of magnetic film indicate a grain structure with a grain size of about 50 nm and presence of inclusions with the size of 3-5 nm. To determine the magnetic parameters of the investigated films the method of ferromagnetic resonance (FMR) absorption curves processing is used. The values of FMR line width and an effective magnetization of film material saturation were obtained.Приведены результаты исследования свойств магнитомягких тонких пленок СоР, полученных методом химической металлизации из водного раствора на основе цитратных комплексов с применением в качестве щелочного реагента NaOH. С помощью вариации составов рабочих растворов получены оптимальные значения магнитных параметров пленок: намагниченности насыщения и ширины линии ферромагнитного резонанса

МИТОХОНДРИАЛЬНЫЙ БЕЛКОВЫЙ ПРОФИЛЬ И ЕГО РОЛЬ В ПАТОЛОГИЧЕСКИХ ПРОЦЕССАХ

Mitochondria import hundreds of different precursor proteins from the cytosol, and only 13 proteins are encoded by mtDNA itself. Recent investigations demonstrated real size of mitochondrial proteome and complexity of their functions There are many methods using for mitochondrial proteome profiling, that help to understand a molecular mechanisms of mitochondrial functions and identify the causes of disruptions that lead to different disorders. In this review we discuss a recent data in the field of mitochondrial proteomics.Собственная ДНК митохондрий кодирует лишь 13 полипептидов – субъединиц электронтранспортной цепи. Большинство же белков импортируются в митохондрии посредством различных механизмов. Последние исследования митохондриального протеома продемонстрировали истинные размеры и сложную функциональную организацию митохондриальных белковых профилей. Для протеомного профилирования митохондрий применяются различные технологии, которые в сумме представляют результаты, помогающие понять молекулярные механизмы функционирования органелл и выявить нарушения, приводящие к различным заболеваниям. В данном обзоре рассмотрены и проанализированны последние данные в области протеомики митохондрий и затронуты некоторые аспекты молекулярного патогенеза заболеваний дыхательной цепи

Production of oxide coatings to improve the surface properties

Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.In our work to produce TiO2 films we used the metalorganic extracts with subsequent thermal decomposition on the substrate. Compared with the titanium alkoxide used in the sol-gel method, organic extracts have better wetting properties and stability of properties over time due to the non-volatility of the organic phase. Complete wetting of the substrate is necessary to achieve coating uniformity and strengthening the binding of the interface substrate-coating, particularly for low energy surfaces (glass, plastic). Wetting agents provide the reduced surface tension, spreading, wetting, improving adhesion, improving the appearance (gloss and color uniformity)

Transparent carbon coatings of ultra fine diamond

115-118Low-temperature method for depositing ultra fine diamond (UFD) films by a simple wet chemical route is presented. The UFD is produced from detonation synthesis of explosive substances. These nano-sized diamond particles under specific conditions formed stable suspension with analogous properties as sols. The organic suspensions of UFD had low values of surface tension and could easily wet different substrates to form films by dipping technique. The surface of the substrates and the effects of the organic medium stimulated a structural organization. The action of different forces during wetting caused the desegregation of particles, which culminated in even distribution on the substrate. The spectral investigation in UV-VIS-IR region showed that the films had diamond-like optical properties. It was found that glasses became more transparent with these UFD coatings on them. Efficiency of cutting tools was also found to increase significantly with the use of UFD coating on them

Production of oxide coatings to improve the surface properties

Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.In our work to produce TiO2 films we used the metalorganic extracts with subsequent thermal decomposition on the substrate. Compared with the titanium alkoxide used in the sol-gel method, organic extracts have better wetting properties and stability of properties over time due to the non-volatility of the organic phase. Complete wetting of the substrate is necessary to achieve coating uniformity and strengthening the binding of the interface substrate-coating, particularly for low energy surfaces (glass, plastic). Wetting agents provide the reduced surface tension, spreading, wetting, improving adhesion, improving the appearance (gloss and color uniformity)

The Application of Titanium Dioxide Coatings by the Extraction-Pyrolysis Method

Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала

The Application of Titanium Dioxide Coatings by the Extraction-Pyrolysis Method

Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала

Effect of alkali reagents on the crystal structure of chemically deposited CoP films

Текст статьи не публикуется в открытом доступе в соответствии с политикой журнала.Abstract—The effect alkali reagents have on the crystal structure of CoP films prepared via chemical depo sition is investigated. It is shown that the use of sodium hydrogen carbonate and ammonium hydroxide in low concentrations leads to growth of the hexagonal phase in the films. As the concentration of alkali reagents is increased, the formation of a cubic or amorphous phase is observed