A novel approach to extract SiO2 from fly ash and its considerable adsorption properties

M Gao, Q Ma, Q Lin, J Chang, H Ma - Materials & Design, 2017 - Elsevier
Silica extracting from fly ash (FA) becomes a key technology for its comprehensive utilization
of waste. Here, high-purity SiO 2 was extracted from FA via organic acid/inorganic …

[PDF][PDF] Reactions' mechanisms and applications of hydrogen peroxide

G Duca, S Travin - American Journal of Physical Chemistry, 2020 - academia.edu
Hydrogen peroxide is a key substance in the appearance of life and maintenance of the life-
supporting conditions on the Earth. Electron transfer processes between H2O2 and various …

Chemical composition and biological activities of some Marrubium species essential oil: A review

B Yabrir - Chemistry Journal of Moldova, 2018 - ibn.idsi.md
Due to their efficiency and safety, synthetic products raise several questions as for their use;
thus, medicinal plants regain interest as potential source of bioactive natural compounds …

Interaction of ornidazole with initial and functionalized silicas

AR Gaidai, PV Vakuliuk, EM Demianenko… - Applied Surface …, 2022 - Elsevier
The comprehensive studies using quantum chemical calculations and IR spectroscopy
showed that the interaction of ornidazole with hydroxylated and functionalized silicas is due …

Biologically active composite based on fumed silica and Anoectochilus formosanus Hayata extract

R Ivannikov, I Laguta, O Stavinskaya, P Kuzema… - Chemical Papers, 2021 - Springer
Biologically active extract was obtained from the leaves of Anoectochilus formosanus
Hayata plants grown in vitro, and the composite was prepared by adsorption/precipitation of …

NMR T1–T2 correlation analysis of molecular absorption inside a hardened cement paste containing silanised silica fume

C Cadar, A Cretu, M Moldovan, C Mattea… - Molecular …, 2019 - Taylor & Francis
The influence of silanised silica fume addition on the pore size distribution and wettability of
white cement paste was investigated using T1–T2 correlation nuclear magnetic resonance …

Isotope effect in heavy/light water suspensions of optically active gold nanoparticles

VY Kutsenko, OP Artykulnyi, VI Petrenko… - Applied …, 2019 - Springer
Aqueous suspensions of optically active gold nanoparticles coated with trisodium citrate
were synthesized in light (H 2 O) water and mixture of light and heavy (H 2 O/D 2 O) water …

Simultaneous quantitative estimation of lisinopril and hydrochlorothiazide residues using HPLC for cleaning validation

I Rubashvili, N Karukhnishvili… - Chemistry Journal of …, 2020 - ibn.idsi.md
The aim of this study was to develop and validate direct-swab and indirect-rinse sampling
procedures and a high performance liquid chromatography (HPLC) method for …

Chromatographic analysis of orchid extracts and quantum chemical calculations of individual components interaction with silica

O Kazakova, R Ivannikov, I Laguta… - Chemistry Journal of …, 2020 - ibn.idsi.md
The aim of the work was to identify the main components of orchid extracts and to study their
interaction with silica. Composition of sixteen orchid extracts was investigated by means of …

Composites for prolonged release of bioactive compounds based on orchids leaves extracts and fumed silica

RV Ivannikov, IV Laguta, ON Stavinskaya… - 2019 - dopovidi-nanu.org.ua
Bioactive extracts are prepared from leaves of the plants of Orchidaceae Juss. Their
composition is investigated by the HPLC method. By means of adsorption of the extracts on …