Zobrazeno 1 - 10
of 76
pro vyhledávání: '"Martina Klučáková"'
Autor:
Romana Kratochvílová, Milan Kráčalík, Marcela Smilková, Petr Sedláček, Miloslav Pekař, Elke Bradt, Jiří Smilek, Petra Závodská, Martina Klučáková
Publikováno v:
Gels, Vol 9, Iss 7, p 590 (2023)
Ten different hydrogels were prepared and analyzed from the point of view of their use in soil. FT-IR spectra, morphology, swelling ability, and rheological properties were determined for their characterization and appraisal of their stability. The a
Externí odkaz:
https://doaj.org/article/322b4ad23f0041768997e8c694fafb69
Autor:
Martina Klučáková
Publikováno v:
Chemical and Biological Technologies in Agriculture, Vol 8, Iss 1, Pp 1-10 (2021)
Abstract Background Humic substances can be considered as polyelectrolytes with supramolecular character and complicated behaviour in water environment. The fractions of humic substances dissolved in water are the most active ones and determinative f
Externí odkaz:
https://doaj.org/article/d12964192e254948882e800185c711ab
Autor:
Martina Klučáková
Publikováno v:
Gels, Vol 9, Iss 5, p 395 (2023)
Agarose hydrogel was enriched by chitosan as an active substance for the interactions with dyes. Direct blue 1, Sirius red F3B, and Reactive blue 49 were chosen as representative dyes for the study of the effect of their interaction with chitosan on
Externí odkaz:
https://doaj.org/article/33af56dc50c546efbf5b13e6a6f21a53
Autor:
Martina Klučáková
Publikováno v:
ACS Omega, Vol 5, Iss 49, Pp 31518-31524 (2020)
Externí odkaz:
https://doaj.org/article/c70ccc89a19e4fc7a633234701a4ef8d
Autor:
Martina Klučáková
Publikováno v:
Gels, Vol 9, Iss 2, p 99 (2023)
Agarose hydrogels enriched by chitosan were studied from a point of view diffusion and the immobilization of metal ions. Copper was used as a model metal with a high affinity to chitosan. The influence of interactions between copper and chitosan on t
Externí odkaz:
https://doaj.org/article/2ecd1f9909854db98fc54d2f2b6e2fa2
Autor:
Martina Klučáková
Publikováno v:
Molecules, Vol 27, Iss 3, p 1019 (2022)
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 bioava
Externí odkaz:
https://doaj.org/article/a985de9c4b9245ae91c2d1a88b412d79
Autor:
Vojtěch Enev, Petr Sedláček, Leona Kubíková, Šárka Sovová, Leoš Doskočil, Martina Klučáková, Miloslav Pekař
Publikováno v:
Agronomy, Vol 11, Iss 3, p 587 (2021)
A sequential chemical extraction with a defined series of eluotropic organic solvents with an increasing polarity (trichloromethane < ethyl acetate < acetone < acetonitrile < n-propanol < methanol) was performed on peat-bog humic acid. Six organic fr
Externí odkaz:
https://doaj.org/article/8c3e6fb00a4944dab537596e95811195
Publikováno v:
Molecules, Vol 25, Iss 24, p 5831 (2020)
Lignohumate, as an industrially produced analog of natural humic substances, is studied from the point of view of its diffusion properties. This work focuses on its permeation ability, important in agricultural and horticultural applications, connect
Externí odkaz:
https://doaj.org/article/c5f791a072e7437a8d9d5e98014462fb
Autor:
Martina Klučáková
Publikováno v:
Polymers, Vol 12, Iss 3, p 687 (2020)
The transport properties of agarose hydrogels enriched by humic acids were studied. Methylene blue, rhodamine 6G and Cu(II) ions were incorporated into hydrogel as diffusion probes, and then their release into water was monitored. Cu(II) ions as well
Externí odkaz:
https://doaj.org/article/cd89a42adbe0404d9c72b755e092ee35
Autor:
Martina Klučáková
Publikováno v:
Frontiers in Chemistry, Vol 6 (2018)
In this work, the size and charge of humic and fulvic standards purchased from the International Humic Substances Society are presented and discussed. The secondary structure of humic substances in water environment as well as the size and shape of t
Externí odkaz:
https://doaj.org/article/2b7b5f6aa6a04f579b46f92f00026ab7