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Zakia M, Yoo SI. Core-satellite assemblies of Au@polydopamine@Ag nanoparticles for photothermal-mediated catalytic reaction. SOFT MATTER 2020; 16:10252-10259. [PMID: 33125027 DOI: 10.1039/d0sm01656j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Engineering plasmonic nanoparticles (NPs) into superstructures comprising two or more distinctive materials is highly desirable because these assemblies can unfold new properties that differ from those exhibited by their individual counterparts. In addition, metal NPs such as Au NPs and Ag NPs have played a major role in environmental remediation. In this study, we designed a heterogeneous NP assembly composed of an Au core and Ag satellite by utilizing a mussel-inspired polydopamine (PDA) strategy. This approach afforded substantial enhancement in the catalytic activity because of the synergistic effect between the Au core and Ag satellite. Specifically, the heat from the localized surface plasmon resonance excitation of the Au NPs can accelerate the reduction reaction of 4-nitrophenol, while the Ag NPs act as a catalyst for reducing the activation energy. Overall, we prepared a facile route to produce heterogeneous metal NP assemblies, which offers promise in scalable synthesis and application in heterogeneous catalysis.
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Affiliation(s)
- Maulida Zakia
- Department of Polymer Engineering, Pukyong National University, Busan, 48513, Republic of Korea.
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Böhmert L, Voß L, Stock V, Braeuning A, Lampen A, Sieg H. Isolation methods for particle protein corona complexes from protein-rich matrices. NANOSCALE ADVANCES 2020; 2:563-582. [PMID: 36133244 PMCID: PMC9417621 DOI: 10.1039/c9na00537d] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 01/08/2020] [Indexed: 05/20/2023]
Abstract
Background: Nanoparticles become rapidly encased by a protein layer when they are in contact with biological fluids. This protein shell is called a corona. The composition of the corona has a strong influence on the surface properties of the nanoparticles. It can affect their cellular interactions, uptake and signaling properties. For this reason, protein coronae are investigated frequently as an important part of particle characterization. Main body of the abstract: The protein corona can be analyzed by different methods, which have their individual advantages and challenges. The separation techniques to isolate corona-bound particles from the surrounding matrices include centrifugation, magnetism and chromatographic methods. Different organic matrices, such as blood, blood serum, plasma or different complex protein mixtures, are used and the approaches vary in parameters such as time, concentration and temperature. Depending on the investigated particle type, the choice of separation method can be crucial for the subsequent results. In addition, it is important to include suitable controls to avoid misinterpretation and false-positive or false-negative results, thus allowing the achievement of a valuable protein corona analysis result. Conclusion: Protein corona studies are an important part of particle characterization in biological matrices. This review gives a comparative overview about separation techniques, experimental parameters and challenges which occur during the investigation of the protein coronae of different particle types.
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Affiliation(s)
- Linda Böhmert
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
| | - Linn Voß
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
| | - Valerie Stock
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
| | - Albert Braeuning
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
| | - Alfonso Lampen
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
| | - Holger Sieg
- German Federal Institute for Risk Assessment, Dept. Food Safety Max-Dohrn-Str. 8-10 10589 Berlin Germany +49 (30) 18412-25800
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Hils C, Dulle M, Sitaru G, Gekle S, Schöbel J, Frank A, Drechsler M, Greiner A, Schmalz H. Influence of patch size and chemistry on the catalytic activity of patchy hybrid nonwovens. NANOSCALE ADVANCES 2020; 2:438-452. [PMID: 36133996 PMCID: PMC9419548 DOI: 10.1039/c9na00607a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 11/26/2019] [Indexed: 06/16/2023]
Abstract
In this work, we provide a detailed study on the influence of patch size and chemistry on the catalytic activity of patchy hybrid nonwovens in the gold nanoparticle (Au NP) catalysed alcoholysis of dimethylphenylsilane in n-butanol. The nonwovens were produced by coaxial electrospinning, employing a polystyrene solution as the core and a dispersion of spherical or worm-like patchy micelles with functional, amino group-bearing patches (dimethyl and diisopropyl amino groups as anchor groups for Au NP) as the shell. Subsequent loading by dipping into a dispersion of preformed Au NPs yields the patchy hybrid nonwovens. In terms of NP stabilization, i.e., preventing agglomeration, worm-like micelles with poly(N,N-dimethylaminoethyl methacrylamide) (PDMA) patches are most efficient. Kinetic studies employing an extended 1st order kinetics model, which includes the observed induction periods, revealed a strong dependence on the accessibility of the Au NPs' surface to the reactants. The accessibility is controlled by the swellability of the functional patches in n-butanol, which depends on both patch chemistry and size. As a result, significantly longer induction (t ind) and reaction (t R) times were observed for the 1st catalysis cycles in comparison to the 10th cycles and nonwovens with more polar PDMA patches show a significantly lower t R in the 1st catalysis cycle. Thus, the unique patchy surface structure allows tailoring the properties of this "tea-bag"-like catalyst system in terms of NP stabilization and catalytic performance, which resulted in a significant reduction of t R to about 4 h for an optimized system.
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Affiliation(s)
- Christian Hils
- Macromolecular Chemistry II, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Martin Dulle
- JCNS-1/ICS-1, Forschungszentrum Jülich GmbH Wilhelm-Johnen-Straße 52428 Jülich Germany
| | - Gabriel Sitaru
- Biofluid Simulation and Modeling, Theoretische Physik VI, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Stephan Gekle
- Biofluid Simulation and Modeling, Theoretische Physik VI, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Judith Schöbel
- Macromolecular Chemistry & New Polymeric Materials, Zernike Institute for Advanced Materials, University of Groningen Nijenborgh 4, 9747 AG Groningen The Netherlands
| | - Andreas Frank
- Macromolecular Chemistry I, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Markus Drechsler
- Bavarian Polymer Institute, Keylab Optical and Electron Microscopy, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Andreas Greiner
- Macromolecular Chemistry II, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
- Bavarian Polymer Institute, Keylab Synthesis and Molecular Characterization, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Holger Schmalz
- Macromolecular Chemistry II, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
- Bavarian Polymer Institute, Keylab Synthesis and Molecular Characterization, University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
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Harika VK, Sadhanala HK, Perelshtein I, Gedanken A. Sonication-Assisted Synthesis of Bimetallic Hg/Pd Alloy Nanoparticles for Catalytic Reduction of Nitrophenol and its Derivatives. ULTRASONICS SONOCHEMISTRY 2020; 60:104804. [PMID: 31563795 DOI: 10.1016/j.ultsonch.2019.104804] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 09/16/2019] [Accepted: 09/20/2019] [Indexed: 05/27/2023]
Abstract
In this article, we report a facile approach for the synthesis of an inexpensive catalyst of bimetallic Hg/Pd alloys comprising nanoparticles with various structures using a unique ultrasonic reaction that is conducted without the use of any reducing agent. The nanoparticles of Hg/Pd alloys (HgPd and Hg2Pd5) were achieved for the first time by sonicating an aqueous solution of Palladium (II) nitrate with metallic liquid mercury, as evidenced by XRD. EDS further confirmed the presence of Pd and Hg elements in the alloy. The surface morphology and structure of the nanoparticles have been systematically investigated by HRSEM, HRTEM and SAED pattern. In order to explore the catalytic activity of the as-synthesized nanoalloys, the catalytic reduction of 4-nitrophenol and a few other nitrophenol derivatives were investigated. Excellent catalytic activity was obtained for Hg/Pd (1:1) alloy, and the rate constant for the reduction of 4-NP with Hg/Pd at room temperature was found to be 58.4 × 10-3 s-1, which is possibly the highest ever reported. The catalyst exhibited superior stability and reusability when compared with those reported in the literature for other catalysts based on noble metals.
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Affiliation(s)
- Villa Krishna Harika
- Bar-Ilan Institute for Nanotechnology and Advanced Materials, Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Hari Krishna Sadhanala
- Bar-Ilan Institute for Nanotechnology and Advanced Materials, Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Ilana Perelshtein
- Bar-Ilan Institute for Nanotechnology and Advanced Materials, Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel
| | - Aharon Gedanken
- Bar-Ilan Institute for Nanotechnology and Advanced Materials, Department of Chemistry, Bar-Ilan University, Ramat-Gan 5290002, Israel.
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Shifrina ZB, Matveeva VG, Bronstein LM. Role of Polymer Structures in Catalysis by Transition Metal and Metal Oxide Nanoparticle Composites. Chem Rev 2019; 120:1350-1396. [DOI: 10.1021/acs.chemrev.9b00137] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Zinaida B. Shifrina
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St, Moscow, 119991 Russia
| | - Valentina G. Matveeva
- Tver State Technical University, Department of Biotechnology and Chemistry, 22 A. Nikitina St, 170026 Tver, Russia
| | - Lyudmila M. Bronstein
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilov St, Moscow, 119991 Russia
- Indiana University, Department of Chemistry, Bloomington, 800 East Kirkwood Avenue, Indiana 47405, United States
- King Abdulaziz University, Faculty of Science, Department of Physics, P.O. Box 80303, Jeddah 21589, Saudi Arabia
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Schöbel J, Hils C, Weckwerth A, Schlenk M, Bojer C, Stuart MCA, Breu J, Förster S, Greiner A, Karg M, Schmalz H. Strategies for the selective loading of patchy worm-like micelles with functional nanoparticles. NANOSCALE 2018; 10:18257-18268. [PMID: 30238948 DOI: 10.1039/c8nr05935g] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Block copolymer self-assembly in solution paves the way for the construction of well-defined compartmentalized nanostructures. These are excellent templates for the incorporation and stabilisation of nanoparticles (NPs), giving rise to highly relevant applications in the field of catalysis or sensing. However, the regio-selective incorporation of NPs in specific compartments is still an issue, especially concerning the loading with different NP types. Using crystallisation-driven self-assembly (CDSA), functional worm-like crystalline-core micelles (wCCMs) with a tailor-made, nanometre-sized patchy corona were prepared as versatile templates for the incorporation and stabilisation of metal and metal oxide NPs. Different strategies, like ligand exchange or co-precipitation of polymer stabilised NPs with one surface patch, were developed that allow the incorporation of NPs in specific regions of the patchy wCCM corona. Independent of the NP type and the incorporation method, the NPs showed no tendency for agglomeration and were fixed within the corona patches of the wCCMs. The binary loading of patchy micelles with metal and metal oxide NPs was realised by combining different loading strategies, yielding hybrids with homogeneously dispersed NPs guided by the patchy structure of the template.
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Affiliation(s)
- Judith Schöbel
- Makromolekulare Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany.
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Magnetic polyaniline-chitosan nanocomposite decorated with palladium nanoparticles for enhanced catalytic reduction of 4-nitrophenol. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.06.023] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Kim JH, Zakia M, Kim JH, Park SS, Yoon J, Huh P, Yoo SII. Clustered assembly of Au nanoparticles from spherical diblock copolymer micelles encapsulating Au nanoparticle. J Appl Polym Sci 2017. [DOI: 10.1002/app.44693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jang Hwan Kim
- Department of Polymer Engineering; Pukyong National University; 365 Sinseon-ro, Nam-gu Busan 608-739 Korea
| | - Maulida Zakia
- Department of Polymer Engineering; Pukyong National University; 365 Sinseon-ro, Nam-gu Busan 608-739 Korea
| | - Joo Hyun Kim
- Department of Polymer Engineering; Pukyong National University; 365 Sinseon-ro, Nam-gu Busan 608-739 Korea
| | - Seong Soo Park
- Department of Industrial Chemistry; Pukyong National University; 365 Sinseon-ro, Nam-gu Busan 608-739 Korea
| | - Jinhwan Yoon
- Department of Chemistry; Dong-A University; Nakdong-Daero 550beon-gil, Saha-gu Busan 604-714 Korea
| | - PilHo Huh
- Department of Polymer Science and Engineering; Pusan National University; Busan 609-735 Korea
| | - Seong II Yoo
- Department of Polymer Engineering; Pukyong National University; 365 Sinseon-ro, Nam-gu Busan 608-739 Korea
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