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Unbound Medicine.
(strontium)
15,130 results
  • A thermally and electrically dual-tunable absorber based on Dirac semimetal and strontium titanate. [Journal Article]
    Nanoscale. 2020 Jul 02 [Online ahead of print]Xiong H, Shen Q
  • In this paper, we proposed a bi-tunable terahertz (THz) metamaterial absorber based on bulk Dirac semimetal (BDS) and strontium titanate (STO). When the values of Fermi energy EF and temperature (T) are equal to 40 meV and 300 K, the simulation result shows that the absorption frequency is centered at 3.69 THz with nearly 100% absorption rates. Interestingly, by adjusting the Fermi energy EF of t…
  • Combined plasmonic Au-nanoparticle and conducting metal oxide high-temperature optical sensing with LSTO. [Journal Article]
    Nanoscale. 2020 Jul 02 [Online ahead of print]Wuenschell JK, Jee Y, … Ohodnicki PR
  • Fiber optic sensor technology offers several advantages for harsh-environment applications. However, the development of optical gas sensing layers that are stable under harsh environmental conditions is an ongoing research challenge. In this work, electronically conducting metal oxide lanthanum-doped strontium titanate (LSTO) films embedded with gold nanoparticles are examined as a sensing layer …
  • An in vivo Comparison Study Between Strontium Nanoparticles and rhBMP2. [Journal Article]
    Front Bioeng Biotechnol. 2020; 8:499.Montagna G, Cristofaro F, … Gerstenfeld L
  • The osteoinductive property of strontium was repeatedly proven in the last decades. Compelling in vitro data demonstrated that strontium hydroxyapatite nanoparticles exert a dual action, by promoting osteoblasts-driven matrix secretion and inhibiting osteoclasts-driven matrix resorption. Recombinant human bone morphogenetic protein 2 (rhBMP2) is a powerful osteoinductive biologic, used for the tr…
  • Passivation and activation of La0.6Sr0.4FeO3 thin film electrodes. [Journal Article]
    Phys Chem Chem Phys. 2020 Jun 30 [Online ahead of print]Tripković Đ, Küngas R, … Hendriksen PV
  • The oxygen exchange activity of thin dense La0.6Sr0.4FeO3 electrodes prepared by pulsed laser deposition was investigated by electrochemical impedance spectroscopy and electrical conductivity relaxation below 600 °C. The value of the surface exchange coefficient (kchem) measured at 491 °C decreased from an initial 4.4 × 10-6 cm s-1 to 1.7 × 10-7 cm s-1 after aging for 7 days. The rapid decrease i…
  • Provenance analysis of cremated skeletal remains by stable isotopes. [Journal Article]
    Anthropol Anz. 2020 Jun 26 [Online ahead of print]Grupe G, Mauder M, … Söllner F
  • Cremated human remains are a rather neglected research substrate in physical anthropology; its investigation is still mainly restricted to the osteological level. The application of archaeometric methods to cremations is limited because the organic skeletal components are fully combusted at high temperatures. Stable isotope ratios of heavy elements such as strontium and lead, however, are thermal…
  • Evaluation of the In Vivo Biocompatibility of Amorphous Calcium Phosphate-Containing Metals. [Journal Article]
    J Funct Biomater. 2020 Jun 23; 11(2)Moerbeck-Filho P, Sartoretto SC, … Calasans-Maia MD
  • Among the biomaterials based on calcium phosphate, hydroxyapatite has been widely used due to its biocompatibility and osteoconduction. The substitution of the phosphate group by the carbonate group associated with the absence of heat treatment and low synthesis temperature leads to the formation of carbonated hydroxyapatite (CHA). The association of CHA with other metals (strontium, zinc, magnes…
  • Functionality-packed additively manufactured porous titanium implants. [Journal Article]
    Mater Today Bio. 2020 Jun; 7:100060.van Hengel IAJ, Gelderman FSA, … Zadpoor AA
  • The holy grail of orthopedic implant design is to ward off both aseptic and septic loosening for long enough that the implant outlives the patient. Questing this holy grail is feasible only if orthopedic biomaterials possess a long list of functionalities that enable them to discharge the onerous task of permanently replacing the native bone tissue. Here, we present a rationally designed and addi…
  • Recycling of High-Purity Strontianite and Hematite from Strontium-Bearing Sludge. [Journal Article]
    ACS Omega. 2020 Jun 16; 5(23):14078-14085.Bian R, Su T, … Huo Y
  • Sr-bearing sludge is a hazardous waste that is commonly generated by nuclear power plants and mineral refining operations. In this work, Sr-bearing sludge was simulated and then cleanly recycled into high-purity strontianite with hematite nanoparticles as a byproduct via a novel hematite precipitation route. The sludge contained 26.1% Fe, 3.5% Sr, and Si impurities. After dissolution in 1.2 M nit…
  • New insights on Neolithic food and mobility patterns in Mediterranean coastal populations. [Journal Article]
    Am J Phys Anthropol. 2020 Jun 18 [Online ahead of print]Goude G, Salazar-García DC, … Binder D
  • CONCLUSIONS: Carbon and nitrogen stable isotope ratios indicate a consumption of protein by humans mainly focused on terrestrial animals and possible exploitation of marine resources for one male and one undetermined adult. Sulfur stable isotope ratios allowed distinguishing groups with different geographical origins, including two females possibly more exposed to the sea spray effect. While strontium isotope data do not indicate different origins for the individuals, mitochondrial lineage diversity from petrous bone DNA suggests the burial includes genetically differentiated groups or a group practicing patrilocality. Moreover, the diversity of plant microremains recorded in dental calculus provide the first evidence that the groups of Les Bréguières consumed a wide breadth of plant foods (as cereals and wild taxa) that required access to diverse environments. This transdisciplinary research paves the way for new perspectives and highlights the relevance for novel research of contexts (whether recently discovered or in museum collections) excavated near shorelines, due to the richness of the biodiversity and the wide range of edible resources available.
  • Elemental Status and Lipid Peroxidation in the Blood of Children with Endemic Fluorosis. [Journal Article]
    Biol Trace Elem Res. 2020 Jun 17 [Online ahead of print]Tkachenko H, Kurhaluk N, … Osadowski Z
  • The study aimed to assess the levels of trace elements, minerals, and toxic elements as well as lipid peroxidation biomarkers (lipid acyl hydroperoxides, 2-thiobarbituric acid reactive substances (TBARS)) in the blood of children with chronic fluorosis from endemic fluorosis areas (Sosnivka village, Lviv region, western Ukraine). The results were compared with healthy children from Staryi Sambir …
  • Oxygen Exchange in Dual-Phase La0.65Sr0.35MnO3-CeO2 Composites for Solar Thermochemical Fuel Production. [Journal Article]
    ACS Appl Mater Interfaces. 2020 Jul 07 [Online ahead of print]Bork AH, Carrillo AJ, … Rupp JLM
  • Increasing the capacity and kinetics of oxygen exchange in solid oxides is important to improve the performance of numerous energy-related materials, especially those for the solar-to-fuel technology. Dual-phase metal oxide composites of La0.65Sr0.35MnO3-x%CeO2, with x = 0, 5, 10, 20, 50, and 100, have been experimentally investigated for oxygen exchange and CO2 splitting via thermochemical redox…
  • Transportable interrogation laser system with an instability of mod σy = 3 × 10-16. [Journal Article]
    Opt Express. 2020 May 25; 28(11):16407-16416.Häfner S, Herbers S, … Sterr U
  • We present an interrogation laser system for a transportable strontium lattice clock operating at 698 nm, which is based on an ultra-low-expansion glass reference cavity. Transportability is achieved by implementing a rigid, compact, and vibration insensitive mounting of the 12 cm-long reference cavity, sustaining shocks of up to 50 g. The cavity is mounted at optimized support points that indepe…
  • Sub-kHz-linewidth VECSELs for cold atom experiments. [Journal Article]
    Opt Express. 2020 May 25; 28(11):15943-15953.Moriya PH, Singh Y, … Hastie JE
  • We report and characterize sub-kHz linewidth operation of an AlGaInP-based VECSEL system suitable for addressing the narrow cooling transition of neutral strontium atoms at 689 nm. When frequency-stabilized to a standard air-spaced Fabry-Perot cavity (finesse 1000) via the Pound-Drever-Hall (PDH) technique, it delivers output power >150 mW in a circularly-symmetric single transverse mode with low…
  • Mineral and Fatty Acid Content Variation in White Oat Genotypes Grown in Brazil. [Journal Article]
    Biol Trace Elem Res. 2020 Jun 14 [Online ahead of print]de Oliveira Maximino JV, Barros LM, … Pegoraro C
  • A healthy diet is directly associated with a nutrient-rich and toxic contaminant poor intake. A diet poor in diversity can lead to micronutrient deficiency. The intake of functional foods can provide benefits in the prevention and treatment of diseases. Oats are a functional food; are a source of soluble fiber, lipids, proteins, vitamins, minerals, and polyphenols; and are low in carbohydrate con…
  • Synergy effect of Sr and rhBMP-2: A potential solution to osteolysis caused by rhBMP-2. [Journal Article]
    Med Hypotheses. 2020 Jun 01; 144:109895.Li Z, Wang S, … Zhao Y
  • As an approach to enhance autogenous bone grafting, the fusion rate of recombinant human bone morphogenetic protein-2 (rhBMP-2) is close to 100%, which is significantly higher than other bone graft methods. However, there are some obvious problems in applying rhBMP-2 clinically. Among them, early endplate osteolysis frequently occurs in the lumbar interbody fusion, which readily leads to cage sub…
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