Category: 6. Chemistry

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  • Ag₃PO₄@ZnO kraft lignin composite for optimized photocatalytic degradation of methylene blue using response surface methodology

    Ag₃PO₄@ZnO kraft lignin composite for optimized photocatalytic degradation of methylene blue using response surface methodology

    Design of experiment and model validation

    This research utilized the RSM-based FCCD design, consisting of 27 experimental runs, to investigate and optimize the influence of four independent variables [pH (X1), catalyst dose (X2), H2O2

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  • Design and synthesis of novel pyridopyrimidine moieties linked to coumarin ring of potentially active cytotoxic agents and their docking study

    Design and synthesis of novel pyridopyrimidine moieties linked to coumarin ring of potentially active cytotoxic agents and their docking study

    Synthesis of 7-hydroxy-4-methyl-2-oxo-2 H-chromene-8-carbaldehyde (2)

    It was prepared according to previously reported work47. Yield, 80%; m.p. 180–182 °C [Lit. 174–176 [32b]]. 1H-NMR (Fig. S1).

    Synthesis of…

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  • Multidimensional insights of electrochemical and quantum investigations of morpholinium cationic surfactants as corrosion inhibitors for carbon steel in acidic solution

    Multidimensional insights of electrochemical and quantum investigations of morpholinium cationic surfactants as corrosion inhibitors for carbon steel in acidic solution

    Characterization of inhibitors structure

    The chemical structure of DCSM-8, DCSM-10, and DCSM-12 was confirmed using FT-IR (Thermos Nicolet IS10 FT-IR Spectrophotometer, Thermo Fisher Scientific Inc.), 1HNMR (AVANCE III 400 MHz spectrometer,…

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  • Stability indicating RP-HPLC method for estimation of finerenone and its related substances in new dosage form

    Stability indicating RP-HPLC method for estimation of finerenone and its related substances in new dosage form

    The developed SIAM method was applied successfully for estimation of (FIN) in their bulk and new tablet dosage forms. The retention times of (FIN) was 4.437 ± 0.05 min as shown in Fig. 1.

    Fig. 1

    Typical chromatogram of 20 µg/mL (FIN) under…

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  • Synthesis, characterization and theoretical studies of nitroxoline azo dye metal complexes and their role in mitigation of rheumatoid arthritis

    Synthesis, characterization and theoretical studies of nitroxoline azo dye metal complexes and their role in mitigation of rheumatoid arthritis

  • Eltaboni, F., Bader, N., El-Kailany, R., Elsharif, N. & Ahmida, A. Dyes: A comprehensive review. J. Chem. Rev. 4, 313–330 (2022).

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  • Sahar, Y. J., Mohammed, H. & Al-Abady, Z. N….

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  • Concurrent photocatalytic degradation of organic pollutants using smart magnetically cellulose-based metal organic framework nanocomposite

    Concurrent photocatalytic degradation of organic pollutants using smart magnetically cellulose-based metal organic framework nanocomposite

    Materials’ design

    The digital photographs of native cellulose, DAC, DAC@PdA, Fe3O4, and DAC@PdA@FM illustrate a clear color transformation during modifications as it is shown in Fig. 1S(a-c). The DAC initially appears white, turning…

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  • Extensive electronic investigation of BMBH structure and adsorption locator on graphene with molecular dynamics of human serum albumin interaction

    Extensive electronic investigation of BMBH structure and adsorption locator on graphene with molecular dynamics of human serum albumin interaction

    FT-IR spectra

    The assignments were completed over the estimated range of wavenumber as shown in Fig. 2. A broadband was observed at 3046 cm−1, this can be attributed to the OH group. Meanwhile, the band at 2875 cm−1 was attributed to the…

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  • CIDNP study of photoinduced electron transfer in His-Glu-Tyr-Gly peptide and its conjugate His-Gln(BP)-Tyr-Gly

    CIDNP study of photoinduced electron transfer in His-Glu-Tyr-Gly peptide and its conjugate His-Gln(BP)-Tyr-Gly

    Selection of experimental conditions

    It is known from previous studies that the processes of photoinduced oxidation of histidine and tyrosine55, as well as the electron transfer from tyrosine to the histidine radical36,40, are determined by the…

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