Detail publikace

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

KLUČÁKOVÁ, M.

Originální název

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

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.

Klíčová slova

humic acids; diffusion; interaction; supramolecular; self-assembly; copper

Autoři

KLUČÁKOVÁ, M.

Vydáno

2. 2. 2022

Nakladatel

MDPI

ISSN

1420-3049

Periodikum

MOLECULES

Ročník

Číslo

Stát

Švýcarská konfederace

Strany od

Strany do

Strany počet

URL

https://www.mdpi.com/1420-3049/27/3/1019

Plný text v Digitální knihovně

http://hdl.handle.net/11012/203899

BibTex

@article{BUT176271,
  author="Martina {Klučáková}",
  title="The Effect of Supramolecular Humic Acids on the Diffusivity of Metal Ions in Agarose Hydrogel",
  journal="MOLECULES",
  year="2022",
  volume="27",
  number="3",
  pages="1--10",
  doi="10.3390/molecules27031019",
  issn="1420-3049",
  url="https://www.mdpi.com/1420-3049/27/3/1019"
}