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Qin L, Wang H, Zhang Z. Synthesis and Assembly of Photoresponsive Colloidal Tubes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2402389. [PMID: 38757548 DOI: 10.1002/smll.202402389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 05/08/2024] [Indexed: 05/18/2024]
Abstract
Inspired by the sophisticated multicomponent and multistage assembly of proteins and their mixtures in living cells, this study rationally designs and fabricates photoresponsive colloidal tubes that can self-assemble and hybrid-assemble when mixed with colloidal spheres and rods. Time-resolved observation and computer simulation reveal that the assembly is driven by phoretic attraction originating from osmotic pressures. These pressures are induced by the chemical concentration gradients generated by the photochemical reaction caused by colloidal tubes in a H2O2 solution under ultraviolet (UV) irradiation. The assembled structure is dictated by the size and shape of the constituent colloids as well as the intensity of the UV irradiation. Additionally, the resulting assembly can undergo self-propelled motion originating from the broken symmetry of the surrounding concentration gradients. This motion can be steered by a magnetic field and used for microscale cargo delivery. The study demonstrates a facile synthesis method for colloidal tubes and highlights their unique potential for controlled, hierarchical self-assembly and hybrid-assembly.
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Affiliation(s)
- Lulu Qin
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Huaguang Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Zexin Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
- Institute for Advanced Study, Center for Soft Condensed Matter Physics and Interdisciplinary Research, School of Physical Science and Technology, Soochow University, Suzhou, 215006, China
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Göbel C, Marquardt K, Baabe D, Drechsler M, Loch P, Breu J, Greiner A, Schmalz H, Weber B. Realizing shape and size control for the synthesis of coordination polymer nanoparticles templated by diblock copolymer micelles. NANOSCALE 2022; 14:3131-3147. [PMID: 35142327 DOI: 10.1039/d1nr07743k] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The combination of polymers with nanoparticles offers the possibility to obtain customizable composite materials with additional properties such as sensing or bistability provided by a switchable spin crossover (SCO) core. For all applications, a precise control over size and shape of the nanomaterial is highly important as it will significantly influence its final properties. By confined synthesis of iron(II) SCO coordination polymers within the P4VP cores of polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) micelles in THF we are able to control the size and also the shape of the resulting SCO nanocomposite particles by the composition of the PS-b-P4VP diblock copolymers (dBCPs) and the amount of complex employed. For the nanocomposite samples with the highest P4VP content, a morphological transition from spherical nanoparticles to worm-like structures was observed with increasing coordination polymer content, which can be explained with the impact of complex coordination on the self-assembly of the dBCP. Furthermore, the SCO nanocomposites showed transition temperatures of T1/2 = 217 K, up to 27 K wide hysteresis loops and a decrease of the residual high-spin fraction down to γHS = 14% in the worm-like structures, as determined by magnetic susceptibility measurements and Mössbauer spectroscopy. Thus, SCO properties close or even better (hysteresis) to those of the bulk material can be obtained and furthermore tuned through size and shape control realized by tailoring the block length ratio of the PS-b-P4VP dBCPs.
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Affiliation(s)
- Christoph Göbel
- Department of Chemistry, Inorganic Chemistry IV, Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany.
| | - Katharina Marquardt
- Bavarian Research Institute of Experimental Geochemistry and Geophysics (BGI), Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Dirk Baabe
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Markus Drechsler
- Bavarian Polymer Institute (BPI), Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Patrick Loch
- Department of Chemistry, Inorganic Chemistry I, Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Josef Breu
- Department of Chemistry, Inorganic Chemistry I, Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Andreas Greiner
- Department of Chemistry, Macromolecular Chemistry II and Bavarian Polymer Institute (BPI), Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Holger Schmalz
- Department of Chemistry, Macromolecular Chemistry II and Bavarian Polymer Institute (BPI), Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
| | - Birgit Weber
- Department of Chemistry, Inorganic Chemistry IV, Universität Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany.
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Ma P, Zhang J, Teng Z, Zhang Y, Bauchan GR, Luo Y, Liu D, Wang Q. Metal-Organic Framework-Stabilized High Internal Phase Pickering Emulsions Based on Computer Simulation for Curcumin Encapsulation: Comprehensive Characterization and Stability Mechanism. ACS OMEGA 2021; 6:26556-26565. [PMID: 34661010 PMCID: PMC8515605 DOI: 10.1021/acsomega.1c03932] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
High internal phase Pickering emulsions (HIPPEs) have taken a center stage in the arena of delivery systems in the food industry because of their high loading capacity and stability. In addition, metal-organic frameworks (MOFs), a type of cutting-edge designable porous scaffolding material, have attracted attention in reticular chemistry, which satisfies fundamental demands for delivery research in the past years. Here, we demonstrate a novel metal-organic framework (MOF)-stabilized HIPPE delivery system for hydrophobic phytochemicals. First, a novel high-biocompatibility and stable MOF particle, UiO-66-NH2, was selected from atomic simulation screening, which showed proper electronegativity and amphiphilic properties to develop the HIPPE system. Monodispersed UiO-66-NH2 nanoparticles with the particle size of 161.36 nm were then prepared via solvothermal synthesization. Pickering emulsions with inner phase ratios from 50 to 80% with varied contents of polyethylene glycol (PEG) were prepared by in situ high-pressure homogenization, and their physicochemical properties including crystallography, morphology, and rheology were systematically characterized. Subsequently, curcumin, a model antioxidant, was loaded in the HIPPE system and named cur@UiO-66-NH2/HIPPE. It exhibited high loading capacity, up to 6.93 ± 0.41%, and encapsulation efficiency (19.76 ± 3.84%). This novel MOF nanoparticle-stabilized HIPPE delivery system could be practically utilized for other bioactive components and antimicrobial agents, which would find applications in food safety and biomedical areas in the future.
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Affiliation(s)
- Peihua Ma
- Department
of Nutrition and Food Science, College of Agriculture and Natural
Resources, University of Maryland, College Park, Maryland 20742, United States
| | - Jinglin Zhang
- Department
of Nutrition and Food Science, College of Agriculture and Natural
Resources, University of Maryland, College Park, Maryland 20742, United States
| | - Zi Teng
- Department
of Nutrition and Food Science, College of Agriculture and Natural
Resources, University of Maryland, College Park, Maryland 20742, United States
- Agricultural
Research Service, Beltsville Agricultural Research Center, Food Quality
Laboratory, U.S. Department of Agriculture, Beltsville, Maryland 20705, United States
| | - Yuan Zhang
- Department
of Chemistry and Biochemistry, College of Computer, Mathematical and
Natural Science, University of Maryland, College Park, Maryland 20742, United States
| | - Gary R. Bauchan
- Agricultural
Research Service, Soybean Genomics and Improvement Laboratory, Electron
and Confocal Microscopy Unit, U.S. Department
of Agriculture, Beltsville, Maryland 20705, United States
| | - Yaguang Luo
- Agricultural
Research Service, Beltsville Agricultural Research Center, Food Quality
Laboratory, U.S. Department of Agriculture, Beltsville, Maryland 20705, United States
| | - Dongxia Liu
- Department
of Chemistry and Biochemistry, College of Computer, Mathematical and
Natural Science, University of Maryland, College Park, Maryland 20742, United States
| | - Qin Wang
- Department
of Nutrition and Food Science, College of Agriculture and Natural
Resources, University of Maryland, College Park, Maryland 20742, United States
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Duan Y, Hou Z, Zong Y, Ye F, Zhao K. Dynamic heterogeneity flow promotes binding reactions in a dense system of hard annular sector particles. Phys Chem Chem Phys 2021; 23:3581-3587. [PMID: 33514954 DOI: 10.1039/d0cp05757f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We perform molecular dynamics simulations on a system of hard annular sector particles (ASPs) to investigate the reaction-dynamics relationship. The dimerization reaction zone, mixing reaction zone including dimerization and n-merization (n > 2), and arrested region are observed successively as area fraction φA increases from low to high. In this work, we focus on the properties of the concentrated arrested region (φA≥ 0.400). The results show that for systems at φA≥ 0.400, the ratio of n-merization increases with φA and n-merization finally becomes the dominant reaction in the system; dynamic heterogeneity (DH) is observed and is demonstrated to originate from the divergent size of clusters consisting of high-mobility particles; the particles with a high translational or rotational mobility are found to have a high ability to react with other particles at φA > 0.400; more interestingly, binding reactions are found to correlate spatially with DH at φA > 0.400. Our work sheds new light on understanding the role of DH in binding reactions or specific-site recognition assembly in a crowded environment.
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Affiliation(s)
- Yana Duan
- Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China.
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Ding B, Zheng P, Ma P, Lin J. Manganese Oxide Nanomaterials: Synthesis, Properties, and Theranostic Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1905823. [PMID: 31990409 DOI: 10.1002/adma.201905823] [Citation(s) in RCA: 235] [Impact Index Per Article: 58.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Revised: 10/23/2019] [Indexed: 05/20/2023]
Abstract
Despite the comprehensive applications in bioimaging, biosensing, drug/gene delivery, and tumor therapy of manganese oxide nanomaterials (MONs including MnO2 , MnO, Mn2 O3 , Mn3 O4 , and MnOx ) and their derivatives, a review article focusing on MON-based nanoplatforms has not been reported yet. Herein, the representative progresses of MONs on synthesis, heterogene, properties, surface modification, toxicity, imaging, biodetection, and therapy are mainly introduced. First, five kinds of primary synthetic methods of MONs are presented, including thermal decomposition method, exfoliation strategy, permanganates reduction method, adsorption-oxidation method, and hydro/solvothermal. Second, the preparations of hollow MONs and MON-based composite materials are summarized specially. Then, the chemical properties, surface modification, and toxicity of MONs are discussed. Next, the diagnostic applications including imaging and sensing are outlined. Finally, some representative rational designs of MONs in photodynamic therapy, photothermal therapy, chemodynamic therapy, sonodynamic therapy, radiotherapy, magnetic hyperthermia, chemotherapy, gene therapy, starvation therapy, ferroptosis, immunotherapy, and various combination therapy are highlighted.
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Affiliation(s)
- Binbin Ding
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- University of Science and Technology of China, Hefei, 230026, China
| | - Pan Zheng
- Key Laboratory of Polymer Ecomaterials, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Ping'an Ma
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- University of Science and Technology of China, Hefei, 230026, China
| | - Jun Lin
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, China
- University of Science and Technology of China, Hefei, 230026, China
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Himstedt R, Hinrichs D, Sann J, Weller A, Steinhauser G, Dorfs D. Halide ion influence on the formation of nickel nanoparticles and their conversion into hollow nickel phosphide and sulphide nanocrystals. NANOSCALE 2019; 11:15104-15111. [PMID: 31367715 DOI: 10.1039/c9nr04187g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A dependence of the formation of tri-n-octylphosphine-capped Ni nanocrystals on the presence of halide ions during their synthesis is shown. For the application-oriented synthesis of Ni particles, this information can be crucial. Furthermore, Ni nanoparticles can be converted to nickel phosphide or sulphide by heating them up in the presence of a phosphorus or sulphur source, resulting in either solid or hollow nanocrystals, formed via the nanoscale Kirkendall effect, depending on the synthesis route. By adjusting the Ni crystallite size in the initial nanoparticles via the halide ion concentration the cavity size of the resulting hollow nanocrystals can be tuned, which is otherwise impossible to realise for particles of a similar total diameter by using this process. The synthesised hollow Ni3S2 nanocrystals exhibit a much sharper localised surface plasmon resonance (LSPR) band than all previously presented particles of this material, which is known to show molar extinction coefficients at the LSPR maximum similar to Au. This narrow linewidth could be explained by the nanoparticles' high crystallinity resulting from the Kirkendall process and is interesting for various possible optical applications such as surface-enhanced Raman spectroscopy owing to the low cost of the involved materials compared to the widely used noble metals.
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Affiliation(s)
- Rasmus Himstedt
- Institute of Physical Chemistry and Electrochemistry, Leibniz Universität Hannover, Callinstraße 3A, 30167 Hannover, Germany.
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