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The transition of rodlike micelles to wormlike micelles of an ionic liquid surfactant induced by different additives and the template-directed synthesis of calcium oxalate monohydrate to mimic the formation of urinary stones. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04919-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Jia H, Huang W, Han Y, Wang Q, He J, Song J, Dai J, Yan H, Liu D. Investigation on the effects of SiO2 nanoparticles with different surface affinity on the viscoelasticity of wormlike micelles. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114675] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Shibaev AV, Shvets PV, Kessel DE, Kamyshinsky RA, Orekhov AS, Abramchuk SS, Khokhlov AR, Philippova OE. Magnetic-field-assisted synthesis of anisotropic iron oxide particles: Effect of pH. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1230-1241. [PMID: 32874823 PMCID: PMC7445396 DOI: 10.3762/bjnano.11.107] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Accepted: 07/07/2020] [Indexed: 06/11/2023]
Abstract
The synthesis of magnetite (Fe3O4) nanorods using reverse co-precipitation of Fe3+ and Fe2+ ions in the presence of a static magnetic field is reported in this work. The phase composition and crystal structure of the synthesized material were investigated using electron diffraction, Raman spectroscopy, and transmission electron microscopy. It was shown that the morphology of the reaction product strongly depends on the amount of OH- ions in the reaction mixture, varying from Fe3O4 nanorods to spherical Fe3O4 nanoparticles. Fe3O4 nanorods were examined using high-resolution transmission electron microscopy proving that they are single-crystalline and do not have any preferred crystallographic orientation along the axis of the rods. According to the data obtained a growth mechanism was proposed for the rods that consists of the dipole-dipole interaction between their building blocks (small hexagonal faceted magnetite nanocrystals), which are formed during the first step of the reaction. The study suggests a facile, green and controllable method for synthesizing anisotropic magnetic nanoparticles in the absence of stabilizers, which is important for further modification of their surfaces and/or incorporation of the nanoparticles into different media.
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Affiliation(s)
- Andrey V Shibaev
- Physics Department, Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russia
| | - Petr V Shvets
- REC “Functional Nanomaterials”, Immanuel Kant Baltic Federal University, A. Nevskogo ul. 14, 236041 Kaliningrad, Russia
| | - Darya E Kessel
- Physics Department, Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russia
| | - Roman A Kamyshinsky
- National Research Centre “Kurchatov Institute,” Akademika Kurchatova pl. 1, 123182 Moscow, Russia
- Moscow Institute of Physics & Technology, Institutskiy per. 9, 141700 Dolgoprudniy, Russia
| | - Anton S Orekhov
- National Research Centre “Kurchatov Institute,” Akademika Kurchatova pl. 1, 123182 Moscow, Russia
- Moscow Institute of Physics & Technology, Institutskiy per. 9, 141700 Dolgoprudniy, Russia
| | - Sergey S Abramchuk
- Physics Department, Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russia
| | - Alexei R Khokhlov
- Institute of Advanced Energy Related Nanomaterials, Ulm University, Albert-Einstein-Allee 11, 89069 Ulm, Germany
| | - Olga E Philippova
- Physics Department, Moscow State University, Leninskie Gory 1-2, 119991 Moscow, Russia
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Philippova OE, Molchanov VS. Enhanced rheological properties and performance of viscoelastic surfactant fluids with embedded nanoparticles. Curr Opin Colloid Interface Sci 2019. [DOI: 10.1016/j.cocis.2019.02.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Hu Y, Han J, Ge L, Guo R. Viscoelastic wormlike micelles formed by ionic liquid-type surfactant [C 16imC 8]Br towards template-assisted synthesis of CdS quantum dots. SOFT MATTER 2018; 14:789-796. [PMID: 29308491 DOI: 10.1039/c7sm02223a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this paper, viscoelastic wormlike micelles consisting of cationic liquid-type surfactant, 1-hexadecyl-3-octyl imidazolium bromide ([C16imC8]Br), water and different additives were utilized for the synthesis of CdS quantum dots. First, the influence of different additives, such as [Cd(NH3)6]Cl2 and ethanethioamid (precursors for the synthesis of CdS quantum dots), and temperature on the viscoelasticity of the [C16imC8]Br aqueous solution was studied by dynamic and steady rheology. Furthermore, the synthesized CdS quantum dots and their photoluminescence properties were characterized by transmission electron microscopy (TEM), UV-Vis absorption spectroscopy, X-ray diffraction (XRD) and energy-dispersive X-ray spectroscopy (EDX). In the end, the mechanism for the synthesis of CdS quantum dots in [C16imC8]Br wormlike micelles is proposed.
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Affiliation(s)
- Yimin Hu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, P. R. China.
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Destefani TA, Lavansdoski Onaga G, de Farias MA, Percebom AM, Sabadini E. Stabilization of spherical nanoparticles of iron(III) hydroxides in aqueous solution by wormlike micelles. J Colloid Interface Sci 2017; 513:527-535. [PMID: 29179093 DOI: 10.1016/j.jcis.2017.11.035] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 11/08/2017] [Accepted: 11/11/2017] [Indexed: 11/29/2022]
Abstract
HYPOTHESIS The low Ksp value of Fe(OH)3 (3 × 10-38 at 298 K) explain the immediate coagulation when the pH of a solution of Fe(III) is adjusted to 7. However, stable dispersions of Fe(OH)3 can be formed when the pH is adjusted to 7 in the presence of wormlike micelles formed by cetyltrimethylammonium bromide and sodium salicylate. The formation of a structure containing Fe(OH)3 nanoparticles decorating wormlike micelles is responsible for the high stability of the dispersions. EXPERIMENTS Fe(OH)3 nanoparticles were obtained by increasing the pH of solutions of cetyltrimethylammonium bromide and Fe(III), previously complexed with salicylate at pH 3. The interaction between nanoparticles and the chains of wormlike micelles was investigated by DLS, SAXS, TEM and Cryo-TEM. FINDINGS DLS revealed higher scattering contrast and slower diffusion for wormlike micelles in the presence of nanoparticles. These results were interpreted as the decoration of the chains of wormlike micelles by nanoparticles of Fe(OH)3. A pearl-necklace model was successfully used to adjust SAXS curves, revealing nanoparticles with ∼3 nm of diameter, spaced ∼2 nm apart along the string. This result agrees with TEM and Cryo-TEM images. The formed structure prevents the coagulation of nanoparticles, assuring high stability to the dispersion.
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Affiliation(s)
- Thalita Angélica Destefani
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Gabriel Lavansdoski Onaga
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil
| | - Marcelo Alexandre de Farias
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), 13083-970 Campinas, São Paulo, Brazil
| | - Ana Maria Percebom
- Department of Chemistry, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), 22451-900 Rio de Janeiro, RJ, Brazil
| | - Edvaldo Sabadini
- Department of Physical-Chemistry, Institute of Chemistry, University of Campinas, P.O. BOX 6154, 13084-862 Campinas, SP, Brazil.
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N. Gupta VK, Mehra A, Thaokar R. A Robust worm-like micellar template based method for the synthesis of anisotropic nanoparticles. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.06.020] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Smith CE, Lee J, Seo Y, Clay N, Park J, Shkumatov A, Ernenwein D, Lai MH, Misra S, Sing CE, Andrade B, Zimmerman SC, Kong H. Worm-Like Superparamagnetic Nanoparticle Clusters for Enhanced Adhesion and Magnetic Resonance Relaxivity. ACS APPLIED MATERIALS & INTERFACES 2017; 9:1219-1225. [PMID: 27989109 PMCID: PMC10977606 DOI: 10.1021/acsami.6b10891] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Nanosized bioprobes that can highlight diseased tissue can be powerful diagnostic tools. However, a major unmet need is a tool with adequate adhesive properties and contrast-to-dose ratio. To this end, this study demonstrates that targeted superparamagnetic nanoprobes engineered to present a worm-like shape and hydrophilic packaging enhance both adhesion efficiency to target substrates and magnetic resonance (MR) sensitivity. These nanoprobes were prepared by the controlled self-assembly of superparamagnetic iron oxide nanoparticles (SPIONs) into worm-like superstructures using glycogen-like amphiphilic hyperbranched polyglycerols functionalized with peptides capable of binding to defective vasculature. The resulting worm-like SPION clusters presented binding affinity to the target substrate 10-fold higher than that of spherical ones and T2 molar MR relaxivity 3.5-fold higher than that of conventional, single SPIONs. The design principles discovered for these nanoprobes should be applicable to a range of other diseases where improved diagnostics are needed.
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Affiliation(s)
- Cartney E. Smith
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - JuYeon Lee
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Yongbeom Seo
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Nicholas Clay
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Jooyeon Park
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Artem Shkumatov
- Department of Pathobiology, College of Veterinary Medicine, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Dawn Ernenwein
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Mei-Hsiu Lai
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Sanjay Misra
- Department of Radiology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Charles E. Sing
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Brenda Andrade
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Steven C. Zimmerman
- Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
| | - Hyunjoon Kong
- Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
- Department of Bioengineering, Institute for Genomic Biology, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801, United States
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