Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Maja Wełna"'
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
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:
Anna Klemettinen, Andrzej Żak, Ida Chojnacka, Sabina Matuska, Anna Leśniewicz, Maja Wełna, Zbigniew Adamski, Lassi Klemettinen, Leszek Rycerz
Publikováno v:
Minerals, Vol 11, Iss 12, p 1374 (2021)
A simplified approach for rare earth elements leaching from NdFeB (neodymium-iron-boron) magnets was investigated. The possibility of simplifying the magnet recycling process by excluding grinding, milling and oxidative roasting unit operations was s
Externí odkaz:
https://doaj.org/article/6d69f00f5d864579926530c6fcca4ce7
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:
Natalia Niedzbała, Katarzyna Dziergowska, Maja Wełna, Anna Szymczycha-Madeja, Jacek Chęcmanowski, Nathalie Bourgougnon, Izabela Michalak
Publikováno v:
Processes
Volume 11
Issue 2
Pages: 393
Processes, 2023, 11 (2), pp.393. ⟨10.3390/pr11020393⟩
Volume 11
Issue 2
Pages: 393
Processes, 2023, 11 (2), pp.393. ⟨10.3390/pr11020393⟩
International audience; In this study, zinc oxide nanoparticles (ZnO NPs) were biosynthesized with the use of an extract derived from seaweed (Sargassum sp.) and used as a sorbent for the removal of Cr(III) ions from wastewater. The biosorption prope
Autor:
Katarzyna, Dziergowska, Maja, Wełna, Anna, Szymczycha-Madeja, Jacek, Chęcmanowski, Izabela, Michalak
Publikováno v:
Molecules
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
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