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66 results for “strontium”
Study of the Efficacy, Safety and Tolerability of Topical 2PX (Strontium Chloride Hexahydrate) in Patients With Chronic, Moderate-to-severe Lower Limb Post-amputation Stump Pain
ClinicalTrials.gov study NCT00804375. IPD Sharing: Not stated. Countries: 5. Publications: 0.
Exsolution of Catalytically Active Ir Nanoparticles from Strontium Titanate_Raw Data
<p>Raw data files.</p>
Data from: Strontium isotopes and the long-term residency of thalattosuchians in the freshwater environment
[No abstract entered]
Data from: Strontium isotopes and the long-term residency of thalattosuchians in the freshwater environment
Open the record for dataset details and reuse information.
Strontium isotopes (87Sr/86Sr) data from southern Trans-Urals, 2023
<p>The present dataset contains measurements of bioavailable strontium isotopes (87Sr/86Sr) gathered in the southern Trans-Urals. There are four sample types, such as wormwood (n = 25), leached soil (n = 56), water (n = 56), and freshwater mollusks (n = 26), collected to measure bioavailable strontium isotopes. The analysis of Sr isotopic composition was carried out in the cleanrooms (6 and 7 ISO classes) of the Geoanalitik shared research facilities of the Institute of Geology and Geochemistry, the Ural Branch of the Russian Academy of Sciences (Ekaterinburg). Mollusk shell samples preliminarily cleaned with acetic acid, as well as vegetation samples rinsed with deionized water and ashed, were dissolved by open digestion in concentrated HNO 3 with the addition of H 2 O 2 on a hotplate at 150°C. Water samples were acidified with concentrated nitric acid and filtered. To obtain aqueous leachates, pre-ground soil samples weighing 1 g were taken into polypropylene containers, 10 ml of ultrapure water was added and shaken in for 1 hour, after which they were filtered through membrane cellulose acetate filters with a pore diameter of 0.2 μm. In all samples, the strontium content was determined by ICP-MS (NexION 300S). Then the sample volume corresponding to the Sr content of 600 ng was evaporated on a hotplate at 120°C, and the precipitate was dissolved in 7M HNO 3. Sample solutions were centrifuged at 6000 rpm, and strontium was chromatographically isolated using SR resin (Triskem). The strontium isotopic composition was measured on a Neptune Plus multicollector mass spectrometer with inductively coupled plasma (MC-ICP-MS). To correct mass bias, a combination of bracketing and internal normalization according to the exponential law 88 Sr/ 86 Sr = 8.375209 was used. The results were additionally bracketed using the NIST SRM 987 strontium carbonate reference material using an average deviation from the reference value of 0.710245 for every two samples bracketed between NIST SRM 987 measurements. The long-term reproducibility of the strontium isotopic analysis was evaluated using repeated measurements of NIST SRM 987 during 2020-2022 and yielded 87 Sr/ 86 Sr = 0.71025, 2SD = 0.00012 (104 measurements in two replicates). The within-laboratory standard uncertainty (2σ) obtained for SRM-987 was ± 0.003 %. </p> <p> </p> <p>Only use this data for research purposes with a complete citation.</p> <p>Kiseleva, D., Ankusheva, P., Maksim, A., Chechushkov, I., & Epimakhov, A. (2024). Strontium isotopes (87Sr/86Sr) data from southern Trans-Urals, 2023 [Data set]. Zenodo. https://doi.org/10.5281/zenodo.14257258</p>
Cellular Response of the bacterium Cupriavidus metallidurans CH34 to Strontium: bio-precipitation as strontium carbonate.
GEO Series GSE29863. Cupriavidus metallidurans CH34. 9 samples. Type: Expression profiling by array.
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