Category: 6. Chemistry

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  • Nanocrystalline iron oxide and sulfide by the thermal decomposition of cyclohexylammonium hexaisothiocyanatoferrate(III) 2.5H2O

    Nanocrystalline iron oxide and sulfide by the thermal decomposition of cyclohexylammonium hexaisothiocyanatoferrate(III) 2.5H2O

    3.1. Elemental analysis

    Table 1 displays the calculated and experimentally found elemental contents, as weight%, of the new hybrid organic-inorganic salt, where the similarity between the calculated and the found results of each element confirmed…

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  • The presence and absence effect of the template on optical nonlinearity responses of magnetic moleculary imprinted polymer

    The presence and absence effect of the template on optical nonlinearity responses of magnetic moleculary imprinted polymer

    Preparation and characterization of MMIP

    Fourier Transform Infrared (FTIR) spectroscopy was employed to characterize the chemical composition and functional groups of the synthesized materials. FTIR spectra were recorded in the range of…

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  • Fe3O4@SiO2-LY-C-D-Pd as a new, effective, and magnetically recoverable catalyst for the synthesis of 1H-tetrazoles and asymmetric biphenyls

    Fe3O4@SiO2-LY-C-D-Pd as a new, effective, and magnetically recoverable catalyst for the synthesis of 1H-tetrazoles and asymmetric biphenyls

    Materials and characterization

    The materials and solvents used in this study were obtained from Sigma-Aldrich, Fluka, or Merck and utilized directly without further purification.

    Preparation of Fe3O4@SiO2-LY-C-D-Pd

    The synthesis process began with…

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  • New radiocarbon dates of human tooth enamel reveal a late appearance of farming life in the indus Valley

    New radiocarbon dates of human tooth enamel reveal a late appearance of farming life in the indus Valley

    The dating and duration of Mehrgarh Period I

    The new radiocarbon dates provide indisputable evidence that Period I dates to a timeframe between 5250 and 4650 cal. BCE. These results are incompatible with Jarrige’s hypothesis that Period I…

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  • Researchers may have solved decades-old mystery behind benzodiazepine side effects

    Researchers may have solved decades-old mystery behind benzodiazepine side effects

    Benzodiazepines like Valium and Xanax are often prescribed to treat anxiety, insomnia and seizures. While these drugs can be effective as a short-term treatment, researchers are trying to better understand the impact of benzodiazepines after…

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  • The value of good software extends beyond its cost | Opinion

    The value of good software extends beyond its cost | Opinion

    It’s commonly joked about that some of the best scientific software looks like it comes from the 1990s. In fact, plenty of academic labs have computers running ancient operating systems because those are the only ones compatible with their…

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