Sequential injection analysis system exploiting on-line solid-phase extraction for the determination of strontium and nickel by microwave plasma atomic emission spectrometry. Preliminary studies of perovskite-loaded plastic scintillator prototypes for radioactive strontium detection. Ratiometric monitoring of thorium contamination in natural water using a dual-emission luminescent europium organic framework. Visible colorimetric dosimetry of UV and ionizing radiations by a dual-module photochromic nanocluster. Guanidinocalixarene for sensitive fluorescence detection and magnetic removal of perfluorinated pollutants. Unambiguous detection of nitrated explosive vapours by fluorescence quenching of dendrimer films. A metal–organic framework and conducting polymer based electrochemical sensor for high performance cadmium ion detection. A highly facile and selective chemo-paper-sensor (CPS) for detection of strontium. pH-controlled switch over coadsorption and separation for mixed Cs + and Sr 2+ by an acid-resistant potassium thioantimonate. Rapid determination of actinides and 90Sr in river water. Habibi, A., Boulet, B., Gleizes, M., Lariviere, D. Histochemical detection of barium and strontium. Strontium-90 in the ‘Mixed Layer’ of the Atlantic Ocean. Radioactive strontium removal from seawater by a MOF via two-step ion exchange. 99TcO 4 − removal from legacy defense nuclear waste by an alkaline-stable 2D cationic metal organic framework. Effects of dietary levels of phosphorus and calcium on the comparative behaviour of strontium and calcium. Distinctive two-step intercalation of Sr 2+ into a coordination polymer with record high 90Sr uptake capabilities. Highly sensitive and selective uranium detection in natural water systems using a luminescent mesoporous metal–organic framework equipped with abundant Lewis basic sites: a combined batch, X-ray absorption spectroscopy, and first principles simulation investigation. Nuclear energy, ten years after Fukushima. Our work could contribute to the sustainability of nuclear power by providing a technological solution to monitor the transportation of radioactive strontium pollution in the environment, a notable advance, especially after the recent Fukushima nuclear incident. Owing to the high binding affinity of this DNA structure, on exposure to a trace amount of Sr 2+ ions, thioflavin T is readily replaced, leading to attenuation of the fluorescence intensity and a detection limit of 2.11 nM. Our approach takes advantage of a fluorogenic dye, thioflavin T, which triggers the folding of DNA to form guanine-quadruplex structures. Here we show a biosensor that enables the detection of Sr 2+ ions in an ultrasensitive and highly selective manner. However, the identification of 90Sr remains a challenge due to the absence of characteristic energy rays signifying its presence. As a result, there is growing interest in its fate and dispersion in the environment. With a long half-life and chemical similarity to calcium, this radioisotope takes hundreds of years to decay to negligible levels and can accumulate in the food chain and bones, resulting in serious health hazards. Strontium-90 is one of the most frequently released radioactive products in waste discharged from nuclear reactors.
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