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Microwave-Assisted Synthesis of Water-Dispersible Humate-Coated Magnetite Nanoparticles: Relation of Coating Process Parameters to the Properties of Nanoparticles. NANOMATERIALS 2020; 10:nano10081558. [PMID: 32784384 PMCID: PMC7466618 DOI: 10.3390/nano10081558] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/23/2020] [Accepted: 08/06/2020] [Indexed: 01/25/2023]
Abstract
Nowadays, there is a demand in the production of nontoxic multifunctional magnetic materials possessing both high colloidal stability in water solutions and high magnetization. In this work, a series of water-dispersible natural humate-polyanion coated superparamagnetic magnetite nanoparticles has been synthesized via microwave-assisted synthesis without the use of inert atmosphere. An impact of a biocompatible humate-anion as a coating agent on the structural and physical properties of nanoparticles has been established. The injection of humate-polyanion at various synthesis stages leads to differences in the physical properties of the obtained nanomaterials. Depending on the synthesis protocol, nanoparticles are characterized by improved monodispersity, smaller crystallite and grain size (up to 8.2 nm), a shift in the point of zero charge (6.4 pH), enhanced colloidal stability in model solutions, and enhanced magnetization (80 emu g−1).
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Kulikova NA, Polyakov AY, Lebedev VA, Abroskin DP, Volkov DS, Pankratov DA, Klein OI, Senik SV, Sorkina TA, Garshev AV, Veligzhanin AA, Garcia Mina JM, Perminova IV. Key Roles of Size and Crystallinity of Nanosized Iron Hydr(oxides) Stabilized by Humic Substances in Iron Bioavailability to Plants. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:11157-11169. [PMID: 29206449 DOI: 10.1021/acs.jafc.7b03955] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Availability of Fe in soil to plants is closely related to the presence of humic substances (HS). Still, the systematic data on applicability of iron-based nanomaterials stabilized with HS as a source for plant nutrition are missing. The goal of our study was to establish a connection between properties of iron-based materials stabilized by HS and their bioavailability to plants. We have prepared two samples of leonardite HS-stabilized iron-based materials with substantially different properties using the reported protocols and studied their physical chemical state in relation to iron uptake and other biological effects. We used Mössbauer spectroscopy, XRD, SAXS, and TEM to conclude on iron speciation, size, and crystallinity. One material (Fe-HA) consisted of polynuclear iron(III) (hydr)oxide complexes, so-called ferric polymers, distributed in HS matrix. These complexes are composed of predominantly amorphous small-size components (<5 nm) with inclusions of larger crystalline particles (the mean size of (11 ± 4) nm). The other material was composed of well-crystalline feroxyhyte (δ'-FeOOH) NPs with mean transverse sizes of (35 ± 20) nm stabilized by small amounts of HS. Bioavailability studies were conducted on wheat plants under conditions of iron deficiency. The uptake studies have shown that small and amorphous ferric polymers were readily translocated into the leaves on the level of Fe-EDTA, whereas relatively large and crystalline feroxyhyte NPs were mostly sorbed on the roots. The obtained data are consistent with the size exclusion limits of cell wall pores (5-20 nm). Both samples demonstrated distinct beneficial effects with respect to photosynthetic activity and lipid biosynthesis. The obtained results might be of use for production of iron-based nanomaterials stabilized by HS with the tailored iron availability to plants. They can be applied as the only source for iron nutrition as well as in combination with the other elements, for example, for industrial production of "nanofortified" macrofertilizers (NPK).
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Affiliation(s)
- Natalia A Kulikova
- Department of Soil Science, Lomonosov Moscow State University , Leninskie gory 1-12, 119991 Moscow, Russia
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
- Bach Institute of Biochemistry, Fundamentals of Biotechnology Federal Research Center, Russian Academy of Sciences , pr. Leninskii 33, 119071 Moscow, Russia
| | - Alexander Yu Polyakov
- Department of Materials Science, Lomonosov Moscow State University , Leninskie gory 1-73, 119991 Moscow, Russia
| | - Vasily A Lebedev
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
- Department of Materials Science, Lomonosov Moscow State University , Leninskie gory 1-73, 119991 Moscow, Russia
| | - Dmitry P Abroskin
- Department of Soil Science, Lomonosov Moscow State University , Leninskie gory 1-12, 119991 Moscow, Russia
| | - Dmitry S Volkov
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
| | - Denis A Pankratov
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
| | - Olga I Klein
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
- Bach Institute of Biochemistry, Fundamentals of Biotechnology Federal Research Center, Russian Academy of Sciences , pr. Leninskii 33, 119071 Moscow, Russia
| | - Svetlana V Senik
- Komarov Botanical Institute, Russian Academy of Sciences , ul. Professora Popova 2, 197376 St. Petersburg, Russia
| | - Tatiana A Sorkina
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
- Science & Technology Department, Rusnano LLC. , 10A, prospect 60-letia Oktyabrya, 117036 Moscow, Russia
| | - Alexey V Garshev
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
- Department of Materials Science, Lomonosov Moscow State University , Leninskie gory 1-73, 119991 Moscow, Russia
| | - Alexey A Veligzhanin
- National Research Center "Kurchatov Institute" , 1, Akademika Kurchatova pl., 123182 Moscow, Russia
| | - Jose M Garcia Mina
- Department of Environmental Biology, BACh group, Sciences School, University of Navarra , C/Irunlarrea 1, 31008 na, Pamplona, Spain
| | - Irina V Perminova
- Department of Chemistry, Lomonosov Moscow State University , Leninskie gory 1-3, 119991 Moscow, Russia
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Polyakov AY, Lebedev VA, Shirshin EA, Rumyantsev AM, Volikov AB, Zherebker A, Garshev AV, Goodilin EA, Perminova IV. Non-classical growth of water-redispersible spheroidal gold nanoparticles assisted by leonardite humate. CrystEngComm 2017. [DOI: 10.1039/c6ce02149b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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