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The Effect of Supramolecular Humic Acids on the Diffusivity of Metal Ions in Agarose Hydrogel

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F22%3APU143283" target="_blank" >RIV/00216305:26310/22:PU143283 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.mdpi.com/1420-3049/27/3/1019" target="_blank" >https://www.mdpi.com/1420-3049/27/3/1019</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.3390/molecules27031019" target="_blank" >10.3390/molecules27031019</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Effect of Supramolecular Humic Acids on the Diffusivity of Metal Ions in Agarose Hydrogel

  • Original language description

    Humic acids are known as natural substances of a supramolecular nature. Their self-assembly ability can affect the migration of heavy metals and other pollutants in nature. The formation of metal-humic complexes can decrease their mobility and bioavailability. This study focuses on metal ions diffusion and immobilization in humic hydrogels. Humic acids were purchased from International Humic Substances Society (isolated from different matrices—peat, soil, leonardite, water) and extracted from lignite mined in Czech Republic. Copper(II) ions were chosen as a model example of reactive metals for the diffusion experiments. The model of instantaneous planar source was used for experimental data obtained from monitoring the time development of copper(II) ions distribution in hydrogel. The effective diffusion coefficients of copper(II) ions showed the significant dependence on reaction ability of humic hydrogels. Lower amounts of the acidic functional groups caused an increase in the effective diffusion coefficient. In general, diffusion experiments seem to act as a valuable method for reactivity mapping studies on humic substances.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10403 - Physical chemistry

Result continuities

  • Project

    <a href="/en/project/LO1211" target="_blank" >LO1211: Materials Research Centre at FCH BUT- Sustainability and Development</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    MOLECULES

  • ISSN

    1420-3049

  • e-ISSN

  • Volume of the periodical

    27

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    CH - SWITZERLAND

  • Number of pages

    10

  • Pages from-to

    1-10

  • UT code for WoS article

    000759987400001

  • EID of the result in the Scopus database

    2-s2.0-85123911442