Solid state battery manufacturing with thermionic vacuum ARC and RF sputtering

Pat, Şuat; Özen, Soner; Şenay, Volkan; Korkmaz, Şadan; Pat, Zerrin

doi:10.1109/plasma.2015.7179535

Cited by 11 publications

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“…11,12 Due to the polyfunctional character, silicon glycerolates are prone to undergo inter molecular condensation with the formation of oligomeric products and glycerol. 3,12 It was shown 13 that glycerolates synthesized in a glycerol excess mainly exist in the mono meric form of tetraglycerolate Si(С 3 Н 7 O 3 ) 4 .…”

Section: Resultsmentioning

confidence: 99%

“…3 Silicon glycerolates and related hydro gels can be used both as independent drugs for local appli cation and in the composition of pharmaceuticals for the treatment of various dermatologic (ulcers, bedsores, burns) and oral diseases (inflammations of periodontal and mu cous membrane). [4][5][6] Like silicon, zinc is an essential element necessary for normal functioning of the human organism. Its biological role in the organism is diverse: in the coenzyme composi tion it participates in enzymatic reactions, enhances resis tance to infections, provides protein synthesis and meta bolism of nucleic acids, participates in cell fission and differentiation, and takes direct part in the formation of Т cell immunity.…”

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Synthesis and properties of biologically active silicon,zinc—glycerohydrogel

et al. 2014

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A new combined bioactive silicon,zinc-glycerohydrogel was prepared by the sol-gel meth od using silicon and zinc glycerolates as precursors. The disperse phase of the hydrogel was isolated by exhaustive cold extraction and characterized by X ray diffraction analysis, scanning electron microscopy, atomic emission spectrometry, IR spectroscopy, and elemental analysis; and the model of the structure was proposed. The studied gel was shown to exhibit pronounced wound healing and regenerative activity, possesses moderate antibacterial effect, and can be recommended for deeper studies with the purpose of including in medical practice.

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Section: Resultsmentioning

confidence: 99%

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Synthesis and properties of biologically active silicon,zinc—glycerohydrogel

et al. 2014

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“…The media differed only by the isotope form of magnesium in the salt: nonmagnetic 24 Mg and 26 Mg, mag netic 25 Mg, and natural isotope *Mg. 14, 19 After the preparation of the synthetic nutrient medium М9, the level of pH (6.85±0.15) was the same for all media in all experimental series.…”

Section: Methodsmentioning

confidence: 99%

Magnetic field effects in bacteria E. coli in the presence of Mg isotopes

2014

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The combined effect of weak magnetic fields and nuclear spins of the magnetic isotope 25 Mg on the vital functions of E. coli bacterial cells was proved experimentally. For static external magnetic fields (0-15 mT), the value of colony forming units of the bacteria enriched in the magnetic isotope 25 Mg is higher than those for the bacterial cells containing nonmagnet ic isotopes 24 Mg and 26 Mg and natural magnesium *Mg. According to the intracellular elemen tal composition, the content of the most important macro and microelements depends on the type of the magnesium isotope (magnetic/nonmagnetic) and the external magnetic field. The magnetic field and magnetic isotope effects observed in bacteria E. coli prove the existence of magnetosensitive stages of enzymatic processes in living organisms.Key words: magnetic isotope effect, nuclear spin, colony forming ability, magnetic field, spin dependent enzymatic processes.Numerous studies showed that magnetic fields can af fect almost all living organisms: from bacteria to human being. The ability to be sensitive to the magnetic field of the Earth and its direction are considered to be possible explanation for the prolonged purposeful migrations of animals and birds. 1-2 Some species of pro and eukary otes, for example, bacteria Magnetospirillum magnetotacti cum, include special receptors, viz., magnetosomes con taining crystals and responsible for the sensitivity to the external magnetic field named magnetotaxis. 3 An alter nating magnetic field changes the growth parameters and colony forming ability of E. coli and S. aureus cell cul tures. 4-5 It was found that a static weak magnetic field (17 mT) inhibits the growth of bacteria E. coli and P. putida and increases the enzymatic activity of dehydrogenase and the intracellular content of adenosinetriphosphate (ATP). 6 The bactericidal effect of the external magnetic field (100 mT) on gram positive S. epidermidis and gram nega tive E. coli is observed, which appears as a destruction of the cell membrane. 7 However, similar magnetic field ef fects have no reliable physicochemical explanation, since the universal mechanism of biological magnetosensitivity is not established.Evidently, the influence of the magnetic field on bio logical systems should occur through a series of enzymatic reactions, each of which consists of a sequence of physical and chemical elementary processes. The chemical effects of the magnetic field are well known and proved for elemen tary acts of radical and ion radical reactions: possible "pri mary receivers" of the magnetic field in living organisms.The magnetic spin effects of chemical reactions are due to a change in the total spin state of ion radical or radical pairs. 8 Transitions of these pairs from chemically active singlet spin states to triplet states are induced by interactions of magnetic moments of electrons with exter nal magnetic fields and also by hyperfine interactions with spin moments of atomic nuclei.New approaches to the problem of biochemical and biological action of magnet...

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“…The tests were carried out according to the known procedure, 12 determining concentration of the sample under study, at which the death toll of oligochaeta was 50% (CK 50 ). Anti parasitic activity was determined by the comparison of CK 50 of the sample under study and a reference sample with known concentration.…”

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Synthesis and biological activity of new avermectin 5-O- and 4″-O-acyl derivatives

et al. 2014

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Acylation of avermectin B 1 with vicinal 1,2 dicarboxylic acid anhydrides leads only to 5 O acyl derivatives in high yields. Avermectin 4 O acyl derivatives were obtained under similar conditions from avermectin B 1 5 O TBS derivatives in good yields. The compounds obtained are of interest as antiparasitic agents. Key words: avermectin B 1 , 1,2 dicarboxylic acid anhydrides, avermectin B 1 5 O and 4 O acylated derivatives, antiparasitic and medicinal agents, veterinary medicine.Renovation and broadening assortment of antipara sitic agents is an important problem to be worked on by medicine and veterinary science. Derivatives of 16 mem bered macrolide avermectin B 1 possess antiparasitic activ ity 1-4 and are widely used in veterinary medicine. The agents existing at the present time, such as Vermox and Closantel, as well as avermectin B 1 derivatives, have been used for a long time, which resulted in the development of resistance to them by most parasites. 5,6It should be noted that there are virtually no informa tion in the literature on the preparation of avermectins acylated at the hydroxy group at position 5, because there is an ungrounded belief that the presence of unsubstituted hydroxy group at position 5 is a necessary condition for high antiparasitic activity. Therefore, earlier 7-10 researches were interested only in the avermectin derivatives acylated at position 4. However, later we showed 11 that modifica tion of avermectin B 1 by acylation of the hydroxy group at position 5 makes it possible to obtain more highly active compounds.In the present work, we synthesized new carboxy con taining 5 O and 4 O acyl avermectin B 1 derivatives and studied their antiparasitic activity.

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Solid state battery manufacturing with thermionic vacuum ARC and RF sputtering

Cited by 11 publications

References 0 publications

Synthesis and properties of biologically active silicon,zinc—glycerohydrogel

Synthesis and properties of biologically active silicon,zinc—glycerohydrogel

Magnetic field effects in bacteria E. coli in the presence of Mg isotopes

Synthesis and biological activity of new avermectin 5-O- and 4″-O-acyl derivatives

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