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Putative silicon transport vesicles in the cytoplasm of the diatom Synedra acus during surge uptake of silicon
Observations about the two-stage mechanism of silicon assimilation, which includes rapid silicon uptake (surge uptake) followed by slow silica deposition, are confirmed.
The Effect of Titanium, Zirconium and Tin on the Growth of Diatom Synedra Acus and Morphology of Its Silica Valves
- T. N. Basharina, E. N. Danilovtseva, S. N. Zelinskiy, I. Klimenkov, Y. Likhoshway, V. Annenkov
- Materials ScienceSilicon
- 16 October 2012
The effect of three Group IV metals (titanium, zirconium and tin) on the growth, morphology and chemical composition of the freshwater diatom Synedra acus subsp. radians (Kützing) Skabichevsky was…
Sorption of silicic acid from non-saturated aqueous solution by a complex of zinc ions with poly(vinylamine)
Submicro- and nanoplastics: How much can be expected in water bodies?
Synthesis of biomimetic polyamines
Synthesis of methylated oligopropylamines by the stepwise repetition of reactions between methyl acrylate and amine, amidation and reduction of the resulting amide is reported. Longchain oligomers…
From biosilicification to tailored materials: Optimizing hydrophobic domains and resistance to protonation of polyamines
- D. Belton, S. Patwardhan, V. Annenkov, E. N. Danilovtseva, C. Perry
- ChemistryProceedings of the National Academy of Sciences
- 22 April 2008
There are two factors critical to the ability of the amines to produce microemulsions and the presence of charged and uncharged amine groups within a molecule, with the latter feature helping to catalyze silicic acid condensation by a proton donor/acceptor mechanism.
Silicic acid condensation under the influence of water-soluble polymers: from biology to new materials
- V. Annenkov, E. N. Danilovtseva, V. A. Pal’shin, O. N. Verkhozina, S. N. Zelinskiy, U. Krishnan
- 10 April 2017
Silicon is among the most abundant elements on the Earth. It occurs in many minerals and plays an important role in several biochemical processes. Some living organisms use silicon dioxide as a…
Behavior of double stimuli-responsive copolymer of N-(3-(diethylamino) propyl)-N-methylacrylamide and N,N–diethylacrylamide in aqueous solutions
ABSTRACT Double stimuli-responsive copolymer of N-(3-(diethylamino)propyl)-N-methylacrylamide and N,N-diethylacrylamide (molar mass M ≈ 32,000 g mol−1) in buffer solutions was studied by the static…
Silicon nanotechnologies of pigmented heterokonts
- M. Grachev, V. Annenkov, Y. Likhoshway
- Environmental ScienceBioEssays : news and reviews in molecular…
- 1 April 2008
Possible mechanisms of uptake of silicic acid from the aquatic environment, its transport across the plasmalemma, and intracellular transport and deposition of silica inside the specialized Silica Deposition Vesicle (SDV) where elements of the new frustule are formed are considered.
Bioinspired thermo- and pH-responsive polymeric amines: multimolecular aggregates in aqueous media and matrices for silica/polymer nanocomposites.