The coordination polymer of Sr (II), with the chemical formula {SrL1 (L2)0.5·(H2O)0.36}n (L1 = phthalic acid anion and L2 pyrazine), have been synthesized by interaction sodium phthalate a water-soluble strontium salt pyrazine in aqueous medium further evaporation an solution characterized IR spectroscopic, elemental, single-crystal X-ray diffraction thermal analysis. results XRD analysis showe...

The possibilities of sub-micron patterning by means of microstencils using pulsed laser deposition were investigated. Stencils with circular and elliptical patterns were used, with pore sizes ranging from 1 μm down to 500 nm. Strontium titanate (SrTiO3), silicon (Si) and self-assembled monolayers on gold were used as substrate materials, whereas nickel (Ni), nickel oxide (NiO) and gold (Au) hav...

Oxygen-evolving complex of photosystem II (PSII) is a tetra-manganese calcium penta-oxygenic cluster (Mn4CaO5) catalyzing light-induced water oxidation through several intermediate states (S-states) by a mechanism that is not fully understood. To elucidate the roles of Ca(2+) in this cluster and the possible location of water substrates in this process, we crystallized Sr(2+)-substituted PSII f...

In this study, activated carbons derived from walnut shells (CA-N) and apple wood (CA-M) were used as adsorbents to remove cobalt(II) strontium(II) ions aqueous solutions. The novel materials obtained using nitric acid (CA-Mox) acid/urea mixture (CA-Mox-u, CA-Nox-u) oxidizing agents. physical–chemical characteristics of determined nitrogen sorption isotherms, SEM-EDX, FTIR, pH metric titrations...

Investigation of various species lichen as biomonitors air pollutants deposition and evaluation element pollution were aimed. Maximum accumulation was 43.9±2.1 mg/kg in X. somloensis. Strontium quite high. Percentages strontium for L.pulmonaria, C.furcata, U.longissima, X.somloensis, F.caperata between 58% 78% indicating the efficient strontium. Lichens also accumulated strategically important ...

Background: Arresting in a certain step of development like two-cell stage could be one of the reasons of infertility. The aim of this study is evaluating the effects of ethanol and strontium on growth and development of two-cell arrested mouse embryos. Materials and Methods: The females were coupled with male following superovulation. Positive vaginal plug mice were killed 48 hours after hCG i...

from Rasmussen, C.E. 1988. The use of strontium as an indicator of anthropogenically altered environmental parameters. "Proceedings of the Sixth International Coral Reef Symposium," Townsville, Australia, 8th-12th August 1988. pp. 325-330. ISBN 0-7316-5607-5: The use of strontium levels precipitated into coral skeletal material has long been recognised as an indicator of oceanic temperature at ...

In order to preparing strontium ion selective electrode 6-(4- nitropheny1)-2-pheny14, 4- dipropy1-3, 5-diaza-bicyclo [3, 1, 0] hex-2-ene (NPDBH) was used as an ionophore. This electrode responds to Sr (II)ion with a sensitivity of 28.2 ± 0.5 mV/decade over the range 1.0 x 10-6 to 1.0 Mat pH 3.0-10.0. Thelimit of detection was 2.4 x 10-7 M. The influences of membrane composition, the pH of the t...