Zobrazeno 1 - 10
of 84
pro vyhledávání: '"Anna Szymczycha-Madeja"'
Autor:
Natalia Niedzbała, Ewa Lorenc-Grabowska, Piotr Rutkowski, Jacek Chęcmanowski, Anna Szymczycha-Madeja, Maja Wełna, Izabela Michalak
Publikováno v:
Bioresources and Bioprocessing, Vol 11, Iss 1, Pp 1-24 (2024)
Abstract In this work, the properties of biochar produced from green macroalga Ulva intestinalis by pyrolysis were studied at temperatures of 300, 500, and 700 °C. This biochar was characterized in terms of multielemental composition, BET surface ar
Externí odkaz:
https://doaj.org/article/2c83258fbad24bef825f7329af0e9785
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract A comprehensive approach to the management of brown seaweed—Fucus vesiculosus was presented. An algal extract, which served as a biostimulant of plant growth was produced using ultrasound-assisted extraction (UAE). The concentration of the
Externí odkaz:
https://doaj.org/article/cb75105de65b420596b983ef7c017bb8
Publikováno v:
Molecules, Vol 28, Iss 18, p 6618 (2023)
The qualitative X-ray phase analysis of natural and artificial food sweeteners was applied to trace the authenticity of such food additives. The mineral composition of different sweeteners commonly added to foods was studied to estimate their mineral
Externí odkaz:
https://doaj.org/article/b7424b14aacf4ce68c53539839247ba8
Publikováno v:
Molecules, Vol 28, Iss 8, p 3374 (2023)
A fully validated inductively coupled plasma optical emission spectrometry (ICP-OES)–based method combined with a simplified sample preparation procedure for the determination of up to 15 elements (Al, Ba, Ca, Cd, Cr, Cu, Fe, K, Mg, Mn, Na, Ni, Pb,
Externí odkaz:
https://doaj.org/article/1127752bf2cd4a429a1127d1ac998b51
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 1, Pp 1955-1965 (2020)
Operationally defined chemical fractionation of Al, Ba, Ca, Cu, Fe, Mg, Mn, Ni, Sr and Zn in infusions of loose leaf and bagged black and green teas was carried out. It was based on tandem-column solid phase extraction using reverse-phase and strong
Externí odkaz:
https://doaj.org/article/34c9059fb1834d34928bf883f36806f0
Autor:
Katarzyna Godlewska, Paweł Pacyga, Antoni Szumny, Anna Szymczycha-Madeja, Maja Wełna, Izabela Michalak
Publikováno v:
Molecules, Vol 27, Iss 20, p 7094 (2022)
In recent years, there has been an increased interest in products of natural origin. The extraction procedure of bioactive compounds from plant matrices is a crucial step in the development of useful new bioproducts for everyday life. The utilisation
Externí odkaz:
https://doaj.org/article/ebea2f8b708a450381f472117c68712c
Autor:
Katarzyna Dziergowska, Maja Wełna, Anna Szymczycha-Madeja, Jacek Chęcmanowski, Izabela Michalak
Publikováno v:
Molecules, Vol 26, Iss 22, p 6917 (2021)
The aim of this study was to propose a complete approach for macroalgae biomass valorization into products useful for sustainable agriculture and environmental protection. In the first stage, the effects of macroalgal extracts and ZnO NPs (zinc oxide
Externí odkaz:
https://doaj.org/article/39f64099a5ae45ebb263d646538bc31b
Autor:
Anna Szymczycha-Madeja, Maja Welna, Monika Zabłocka-Malicka, Pawel Pohl, Włodzimierz Szczepaniak
Publikováno v:
Molecules, Vol 26, Iss 20, p 6269 (2021)
Four procedures based on closed-vessel microwave-assisted wet digestion with different oxidative reagents, including HNO3 (P1), HNO3 + H2O2 (P2), aqua regia (P3) and Lefort aqua regia (P4), for preparation of calcium (Ca)-rich materials prior to dete
Externí odkaz:
https://doaj.org/article/6ba84f48d8ef493c985a85d1eee3e104
Publikováno v:
Molecules, Vol 25, Iss 21, p 4944 (2020)
The applicability of the hydride generation (HG) sample introduction technique combined with different spectrochemical detection methods for non-chromatographic speciation of toxic As species, i.e., As(III), As(V), dimethylarsinate (DMA) and monometh
Externí odkaz:
https://doaj.org/article/c10c057181514f01975bb21fd013b215
Publikováno v:
Molecules, Vol 25, Iss 5, p 1256 (2020)
Commercially bottled birch saps (BSs) were analyzed for several nutrient (Ca, Cu, Fe, Mg, and Zn) and toxic (As, Cd, Ni, and Pb) elements using inductively coupled plasma optical emission spectrometry (ICP OES). The method was validated under the con
Externí odkaz:
https://doaj.org/article/c0f9fedb915c4ac688dd8a08e3ab5250