1
|
Wang T, Hu X, Yang Y, Wu Q, He C, He X, Wang Z, Mao X. New Insight into Assembled Fe3O4@PEI@Ag Structure as Acceptable Agent with Enzymatic and Photothermal Properties. Int J Mol Sci 2022; 23:ijms231810743. [PMID: 36142657 PMCID: PMC9501236 DOI: 10.3390/ijms231810743] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/30/2022] [Accepted: 08/11/2022] [Indexed: 11/27/2022] Open
Abstract
Metal-based enzyme mimics are considered to be acceptable agents in terms of their biomedical and biological properties; among them, iron oxides (Fe3O4) are treated as basement in fabricating heterogeneous composites through variable valency integrations. In this work, we have established a facile approach for constructing Fe3O4@Ag composite through assembling Fe3O4 and Ag together via polyethyleneimine ethylenediamine (PEI) linkages. The obtained Fe3O4@PEI@Ag structure conveys several hundred nanometers (~150 nm). The absorption peak at 652 nm is utilized for confirming the peroxidase-like activity of Fe3O4@PEI@Ag structure by catalyzing 3,3′,5,5′-tetramethylbenzidine (TMB) in the presence of H2O2. The Michaelis–Menten parameters (Km) of 1.192 mM and 0.302 mM show the higher catalytic activity and strong affinity toward H2O2 and TMB, respectively. The maximum velocity (Vmax) value of 1.299 × 10−7 M∙s−1 and 1.163 × 10−7 M∙s−1 confirm the efficiency of Fe3O4@PEI@Ag structure. The biocompatibility illustrates almost 100% cell viability. Being treated as one simple colorimetric sensor, it shows relative selectivity and sensitivity toward the detection of glucose based on glucose oxidase. By using indocyanine green (ICG) molecule as an additional factor, a remarkable temperature elevation is observed in Fe3O4@PEI@Ag@ICG with increments of 21.6 °C, and the absorption peak is nearby 870 nm. This implies that the multifunctional Fe3O4@PEI@Ag structure could be an alternative substrate for formatting acceptable agents in biomedicine and biotechnology with enzymatic and photothermal properties.
Collapse
Affiliation(s)
- Teng Wang
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Xi Hu
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Yujun Yang
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical Laboratory Microfluidics and SPRi Engineering Research Center, Chongqing Medical University, Chongqing 400016, China
| | - Qing Wu
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Chengdian He
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Xiong He
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
| | - Zhenyu Wang
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Correspondence: (Z.W.); (X.M.)
| | - Xiang Mao
- State Key Laboratory of Ultrasound in Medicine and Engineering, College of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Chongqing Key Laboratory of Biomedical Engineering, Chongqing Medical University, Chongqing 400016, China
- Correspondence: (Z.W.); (X.M.)
| |
Collapse
|
2
|
Nobile C, Cozzoli PD. Synthetic Approaches to Colloidal Nanocrystal Heterostructures Based on Metal and Metal-Oxide Materials. NANOMATERIALS 2022; 12:nano12101729. [PMID: 35630951 PMCID: PMC9147683 DOI: 10.3390/nano12101729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 12/04/2022]
Abstract
Composite inorganic nanoarchitectures, based on combinations of distinct materials, represent advanced solid-state constructs, where coexistence and synergistic interactions among nonhomologous optical, magnetic, chemical, and catalytic properties lay a basis for the engineering of enhanced or even unconventional functionalities. Such systems thus hold relevance for both theoretical and applied nanotechnology-based research in diverse areas, spanning optics, electronics, energy management, (photo)catalysis, biomedicine, and environmental remediation. Wet-chemical colloidal synthetic techniques have now been refined to the point of allowing the fabrication of solution free-standing and easily processable multicomponent nanocrystals with sophisticated modular heterostructure, built upon a programmed spatial distribution of the crystal phase, composition, and anchored surface moieties. Such last-generation breeds of nanocrystals are thus composed of nanoscale domains of different materials, assembled controllably into core/shell or heteromer-type configurations through bonding epitaxial heterojunctions. This review offers a critical overview of achievements made in the design and synthetic elaboration of colloidal nanocrystal heterostructures based on diverse associations of transition metals (with emphasis on plasmonic metals) and transition-metal oxides. Synthetic strategies, all leveraging on the basic seed-mediated approach, are described and discussed with reference to the most credited mechanisms underpinning regioselective heteroepitaxial deposition. The unique properties and advanced applications allowed by such brand-new nanomaterials are also mentioned.
Collapse
Affiliation(s)
- Concetta Nobile
- CNR NANOTEC—Institute of Nanotechnology, UOS di Lecce, c/o Campus Ecotekne, Via Monteroni, 73100 Lecce, Italy;
| | - Pantaleo Davide Cozzoli
- Department of Mathematics and Physics “Ennio De Giorgi”, c/o Campus Ecotekne, University of Salento, Via Monteroni, 73100 Lecce, Italy
- UdR INSTM di Lecce, c/o Campus Ecotekne, University of Salento, Via Arnesano, 73100 Lecce, Italy
- Correspondence:
| |
Collapse
|
3
|
Pan H, Wang X, Feng A, Cheng Q, Chen X, He X, Qin X, Sha X, Fu S, Chi C, Wang X. Nanoparticle radiosensitization: from extended local effect modeling to a survival modification framework of compound Poisson additive killing and its carbon dots validation. Phys Med Biol 2022; 67. [DOI: 10.1088/1361-6560/ac4c48] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/18/2022] [Indexed: 11/12/2022]
Abstract
Abstract
Objective. To construct an analytical model instead of local effect modeling for the prediction of the biological effectiveness of nanoparticle radiosensitization. Approach. An extended local effects model is first proposed with a more comprehensive description of the nanoparticles mediated local killing enhancements, but meanwhile puts forward challenging issues that remain difficult and need to be further studied. As a novel method instead of local effect modeling, a survival modification framework of compound Poisson additive killing is proposed, as the consequence of an independent additive killing by the assumed equivalent uniform doses of individual nanoparticles per cell under the LQ model. A compound Poisson killing (CPK) model based on the framework is thus derived, giving a general expression of nanoparticle mediated LQ parameter modification. For practical use, a simplified form of the model is also derived, as a concentration dependent correction only to the α parameter, with the relative correction (α″/α) dominated by the mean number, and affected by the agglomeration of nanoparticles per cell. For different agglomeration state, a monodispersion model of the dispersity factor η = 1, and an agglomeration model of 2/3 < η < 1, are provided for practical prediction of (α″/α) value respectively. Main results. Initial validation by the radiosensitization of HepG2 cells by carbon dots showed a high accuracy of the CPK model. In a safe range of concentration (0.003–0.03 μg μl−1) of the carbon dots, the prediction errors of the monodispersion and agglomeration models were both within 2%, relative to the clonogenic survival data of the sensitized HepG2 cells. Significance. The compound Poisson killing model provides a novel approach for analytical prediction of the biological effectiveness of nanoparticle radiosensitization, instead of local effect modeling.
Collapse
|
4
|
Klein S, Otto J, Harreiß C, Distel LVR, Leistner A, Neuhuber W, Spiecker E, Kryschi C. Pt–Fe 3O 4, Pd–Fe 3O 4, and Au–Fe 3O 4 Nanoheterodimers and Their Efficacy as Radiosensitizers in Cancer Therapy. ACS APPLIED BIO MATERIALS 2021; 4:7879-7892. [DOI: 10.1021/acsabm.1c00803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Stefanie Klein
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen─Nuremberg, Egerlandstrasse 3, D-91058 Erlangen, Germany
| | - Julia Otto
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen─Nuremberg, Egerlandstrasse 3, D-91058 Erlangen, Germany
| | - Christina Harreiß
- Institute of Micro- and Nanostructure Research & Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander University of Erlangen─Nuremberg, IZNF, Cauerstrasse 3, D-91058 Erlangen, Germany
| | - Luitpold V. R. Distel
- Department of Radiation Oncology, Friedrich-Alexander University of Erlangen─Nuremberg, Universitaetsstrasse 27, D-91054 Erlangen, Germany
| | - Angelika Leistner
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen─Nuremberg, Egerlandstrasse 3, D-91058 Erlangen, Germany
| | - Winfried Neuhuber
- Institute of Anatomy and Cell Biology, Chair of Anatomy I, Friedrich-Alexander University of Erlangen─Nuremberg, Krankenhausstrasse 9, D-91054 Erlangen, Germany
| | - Erdmann Spiecker
- Institute of Micro- and Nanostructure Research & Center for Nanoanalysis and Electron Microscopy (CENEM), Friedrich-Alexander University of Erlangen─Nuremberg, IZNF, Cauerstrasse 3, D-91058 Erlangen, Germany
| | - Carola Kryschi
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen─Nuremberg, Egerlandstrasse 3, D-91058 Erlangen, Germany
| |
Collapse
|
5
|
Elahi N, Rizwan M. Progress and prospects of magnetic iron oxide nanoparticles in biomedical applications: A review. Artif Organs 2021; 45:1272-1299. [PMID: 34245037 DOI: 10.1111/aor.14027] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 06/09/2021] [Accepted: 06/14/2021] [Indexed: 12/26/2022]
Abstract
Nanoscience has been considered as one of the most substantial research in modern science. The utilization of nanoparticle (NP) materials provides numerous advantages in biomedical applications due to their unique properties. Among various types of nanoparticles, the magnetic nanoparticles (MNPs) of iron oxide possess intrinsic features, which have been efficiently exploited for biomedical purposes including drug delivery, magnetic resonance imaging, Magnetic-activated cell sorting, nanobiosensors, hyperthermia, and tissue engineering and regenerative medicine. The size and shape of nanostructures are the main factors affecting the physicochemical features of superparamagnetic iron oxide nanoparticles, which play an important role in the improvement of MNP properties, and can be controlled by appropriate synthesis strategies. On the other hand, the proper modification and functionalization of the surface of iron oxide nanoparticles have significant effects on the improvement of physicochemical and mechanical features, biocompatibility, stability, and surface activity of MNPs. This review focuses on popular methods of fabrication, beneficial surface coatings with regard to the main required features for their biomedical use, as well as new applications.
Collapse
Affiliation(s)
- Narges Elahi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advance Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran.,Department of Medical Nanotechnology, School of Advance Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Muhammad Rizwan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, ON, Canada
| |
Collapse
|
6
|
Klein S, Distel LVR, Neuhuber W, Kryschi C. Caffeic Acid, Quercetin and 5-Fluorocytidine-Functionalized Au-Fe 3O 4 Nanoheterodimers for X-ray-Triggered Drug Delivery in Breast Tumor Spheroids. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1167. [PMID: 33947086 PMCID: PMC8146450 DOI: 10.3390/nano11051167] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/25/2021] [Accepted: 04/26/2021] [Indexed: 01/11/2023]
Abstract
Au-Fe3O4 nanoheterodimers (NHD) were functionalized with the natural and synthetic anticancer drugs caffeic acid (CA), quercetin (Q) and 5-fluorocytidine (5FC). Their X-radiation dose-enhancing potential and chemotherapeutic efficacy for bimodal cancer therapy were investigated by designing multicellular tumor spheroids (MCTS) to in vitro avascular tumor models. MCTS were grown from the breast cancer cell lines MCF-7, MDA-MB-231, and MCF-10A. The MCF-7, MDA-MB-231 and MCF-10A MCTS were incubated with NHD-CA, NHD-Q, or NHD-5FC and then exposed to fractionated X-radiation comprising either a single 10 Gy dose, 2 daily single 5 Gy doses or 5 daily single 2 Gy doses. The NHD-CA, NHD-Q, and NHD-5FC affected the growth of X-ray irradiated and non-irradiated MCTS in a different manner. The impact of the NHDs on the glycolytic metabolism due to oxygen deprivation inside MCTS was assessed by measuring lactate secretion and glucose uptake by the MCTS. The NHD-CA and NHD-Q were found to act as X-radiation dose agents in MCF-7 MCTS and MDA-MB-231 MCTS and served as radioprotector in MCF-10A MCTS. X-ray triggered release of CA and Q inhibited lactate secretion and thereupon disturbed glycolytic reprogramming, whereas 5FC exerted their cytotoxic effects on both, healthy and tumor cells, after their release into the cytosol.
Collapse
Affiliation(s)
- Stefanie Klein
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr. 3, D-91058 Erlangen, Germany;
| | - Luitpold V. R. Distel
- Department of Radiation Oncology, Friedrich-Alexander University of Erlangen-Nuremberg, Universitätsstr. 27, D-91054 Erlangen, Germany;
| | - Winfried Neuhuber
- Institute of Anatomy, Chair of Anatomy and Cell Biology, Friedrich Alexander University Erlangen-Nuremberg, Krankenhausstr. 9, D-91054 Erlangen, Germany;
| | - Carola Kryschi
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr. 3, D-91058 Erlangen, Germany;
| |
Collapse
|
7
|
Klein S, Distel LVR, Neuhuber W. X-ray Dose-Enhancing Impact of Functionalized Au–Fe 3O 4 Nanoheterodimers on MCF-7 and A549 Multicellular Tumor Spheroids. ACS APPLIED BIO MATERIALS 2021; 4:3113-3123. [DOI: 10.1021/acsabm.0c01494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Stefanie Klein
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM, Friedrich-Alexander University of Erlangen-Nuremberg, Egerlandstr.3, D-91058 Erlangen, Germany
| | - Luitpold V. R. Distel
- Department of Radiation Oncology, Friedrich-Alexander University of Erlangen-Nuremberg, Universitaetsstr. 27, D-91054 Erlangen, Germany
| | - Winfried Neuhuber
- Institute of Anatomy and Cell Biology, Chair of Anatomy I, Friedrich-Alexander University of Erlangen-Nuremberg, Krankenhausstr. 9, D-91054 Erlangen, Germany
| |
Collapse
|
8
|
Luchs T, Zieleniewska A, Kunzmann A, Schol PR, Guldi DM, Hirsch A. Non-Covalent Postfunctionalization of Dye Layers on TiO 2 - A Tool for Enhancing Injection in Dye-Sensitized Solar Cells. Chemistry 2021; 27:5041-5050. [PMID: 33428285 PMCID: PMC7986074 DOI: 10.1002/chem.202004928] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/07/2021] [Indexed: 11/23/2022]
Abstract
We report on newly tailored dye layers, which were employed, on one hand, for covalent deposition and, on the other hand, for non-covalently post-functionalizing TiO2 nanoparticle films. Our functionalization concept enabled intermixing a stable covalent attachment of a first layer with a highly versatile and reversible hydrogen bonding through the Hamilton receptor-cyanuric acid binding motif as a second layer. Following this concept, we integrated step-by-step a first porphyrin layer and a second porphyrin/BODIPY layer. The individual building blocks and their corresponding combinations were probed with regard to their photophysical properties, and the most promising combinations were implemented in dye-sensitized solar cells (DSSCs). Relative to the first porphyrin layer adding the second porphyrin/BODIPY layers increased the overall DSSC efficiency by up to 43 %.
Collapse
Affiliation(s)
- Tobias Luchs
- Chair of Organic Chemistry IIDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | - Anna Zieleniewska
- Chair of Physical Chemistry IDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität ErlangenEgerlandstraße 391058ErlangenGermany
| | - Andreas Kunzmann
- Chair of Physical Chemistry IDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität ErlangenEgerlandstraße 391058ErlangenGermany
| | - Peter R. Schol
- Chair of Physical Chemistry IDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität ErlangenEgerlandstraße 391058ErlangenGermany
| | - Dirk M. Guldi
- Chair of Physical Chemistry IDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität ErlangenEgerlandstraße 391058ErlangenGermany
| | - Andreas Hirsch
- Chair of Organic Chemistry IIDepartment of Chemistry & PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| |
Collapse
|
9
|
Stiegler LMS, Klein S, Kryschi C, Neuhuber W, Hirsch A. Smart Shell-by-Shell Nanoparticles with Tunable Perylene Fluorescence in the Organic Interlayer. Chemistry 2021; 27:1655-1669. [PMID: 33459437 PMCID: PMC7898710 DOI: 10.1002/chem.202003232] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Revised: 08/05/2020] [Indexed: 12/03/2022]
Abstract
A new series of shell-by-shell (SbS)-functionalized Al2 O3 nanoparticles (NPs) containing a perylene core in the organic interlayer as a fluorescence marker is introduced. Initially, the NPs were functionalized with both, a fluorescent perylene phosphonic acid derivative, together with the lipophilic hexadecylphosphonic acid or the fluorophilic (1 H,1 H,2 H,2H-perfluorodecyl)phosphonic acid. The lipophilic first-shell functionalized NPs were further implemented with amphiphiles built of aliphatic chains and polar head-groups. However, the fluorophilic NPs were combined with amphiphiles consisting of fluorocarbon tails and polar head-groups. Depending on the nature of the combined phosphonic acids and the amphiphiles, tuning of the perylene fluorescence can be accomplished due variations of supramolecular organization with the shell interface. Because the SbS-functionalized NPs dispose excellent dispersibility in water and in biological media, two sorts of NPs with different surface properties were tested with respect to biological fluorescent imaging applications. Depending on the agglomeration of the NPs, the cellular uptake differs. The uptake of larger agglomerates is facilitated by endocytosis, whereas individualized NPs cross directly the cellular membrane. Also, the larger agglomerates were preferentially incorporated by all tested cells.
Collapse
Affiliation(s)
- Lisa M. S. Stiegler
- Department of Chemistry & PharmacyChair of Organic Chemistry IIFriedrich-Alexander University of Erlangen-NurembergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | - Stefanie Klein
- Department Chemistry and PharmacyPhysical Chemistry I and ICMMFriedrich-Alexander University of Erlangen-NurembergEgerlandstraße 391058ErlangenGermany
| | - Carola Kryschi
- Department Chemistry and PharmacyPhysical Chemistry I and ICMMFriedrich-Alexander University of Erlangen-NurembergEgerlandstraße 391058ErlangenGermany
| | - Winfried Neuhuber
- Department of AnatomyChair of Anatomy IFriedrich-Alexander University of Erlangen-NurembergKrankenhausstraße 991054ErlangenGermany
| | - Andreas Hirsch
- Department of Chemistry & PharmacyChair of Organic Chemistry IIFriedrich-Alexander University of Erlangen-NurembergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| |
Collapse
|
10
|
Stiegler LMS, Luchs T, Hirsch A. Shell-by-Shell Functionalization of Inorganic Nanoparticles. Chemistry 2020; 26:8483-8498. [PMID: 32167598 PMCID: PMC7687223 DOI: 10.1002/chem.202000195] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Revised: 03/11/2020] [Indexed: 12/31/2022]
Abstract
The current state of the hierarchical chemical functionalization of inorganic nanoparticles (NPs) by shell-by-shell (SbS)-assembly of organic layers around the NP cores is summarized. This supramolecular functionalization concept is based on two steps: 1) the covalent grafting of a first ligand-shell consisting of, for example, long chain phosphonic acids and 2) the noncovalent interdigitation of amphiphiles forming the second ligand shell. The latter process is guaranteed predominantly by solvophobic interactions. These highly order organic-inorganic hybrid architectures are currently an emerging field at the interface of synthetic chemistry, nanotechnology, and materials science. The doubly functionalized NPs display tunable materials properties, such a controlled dispersibility and stability in various solvents, highly efficient trapping of guest molecules in between the ligand shells (water cleaning) as well as compartmentalization and modification of electronic interactions between photoactive components integrated in such complex nano-architectures. Such SbS-functionalized NPs have a high potential as water-cleaning materials and also some first prototype applications as biomedicinal therapeutics have been presented.
Collapse
Affiliation(s)
- Lisa M. S. Stiegler
- Department of Chemistry & PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | - Tobias Luchs
- Department of Chemistry & PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| | - Andreas Hirsch
- Department of Chemistry & PharmacyFriedrich-Alexander-Universität Erlangen-NürnbergNikolaus-Fiebiger-Straße 1091058ErlangenGermany
| |
Collapse
|
11
|
Klein S, Smuda M, Harreiß C, Menter C, Distel LVR, Kryschi C. Bifunctional Au-Fe 3O 4 Nanoheterodimers Acting as X-ray Protector in Healthy Cells and as X-ray Enhancer in Tumor Cells. ACS APPLIED MATERIALS & INTERFACES 2019; 11:39613-39623. [PMID: 31613607 DOI: 10.1021/acsami.9b13877] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Bifunctional Au-Fe3O4 nanoheterodimers were synthesized by thermally decomposing Fe(III)oleate on gold nanoparticles followed by functionalizing with tiron, 2,3-dihydroxybenzoic acid, or caffeic acid. These catechol derivatives are antioxidative and thus are predicted to function as superoxide scavengers. In particular, caffeic acid lost its antioxidant capacity, although it was covalently linked through its carboxyl moiety to the Fe3O4 surface. Tiron was shown to bind via its catechol group to the Au-Fe3O4 nanoheterodimers, and 2,3-dihydroxybenzoic was just physisorbed between the oleic acid surface structures. Caffeic-acid stabilized Au-Fe3O4 nanoheterodimers turned out to act as X-ray protector in healthy cells but as X-ray enhancing agents in cancer cells. Furthermore, these functionalized Au-Fe3O4 nanoheterodimers were found to inhibit the migratory capacity of the cancer cells.
Collapse
Affiliation(s)
- Stefanie Klein
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM , Friedrich-Alexander University of Erlangen , Egerlandstraße 3 , D-91058 Erlangen , Germany
| | - Matthias Smuda
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM , Friedrich-Alexander University of Erlangen , Egerlandstraße 3 , D-91058 Erlangen , Germany
| | - Christina Harreiß
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM , Friedrich-Alexander University of Erlangen , Egerlandstraße 3 , D-91058 Erlangen , Germany
| | - Christina Menter
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM , Friedrich-Alexander University of Erlangen , Egerlandstraße 3 , D-91058 Erlangen , Germany
| | - Luitpold V R Distel
- Department of Radiation Oncology , Friedrich-Alexander University of Erlangen , Universitätsstraße 27 , D-91054 Erlangen , Germany
| | - Carola Kryschi
- Department of Chemistry and Pharmacy, Physical Chemistry I and ICMM , Friedrich-Alexander University of Erlangen , Egerlandstraße 3 , D-91058 Erlangen , Germany
| |
Collapse
|
12
|
Radiosensitive core/satellite ternary heteronanostructure for multimodal imaging-guided synergistic cancer radiotherapy. Biomaterials 2019; 226:119545. [PMID: 31648136 DOI: 10.1016/j.biomaterials.2019.119545] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 10/12/2019] [Accepted: 10/13/2019] [Indexed: 01/06/2023]
Abstract
Developing safe, effective and targeting radiosensitizers with clear action mechanisms to achieve synergistic localized cancer treatment is an important strategy for radiotherapy. Herein, we design and synthesize a ternary heteronanostructure radiosensitizer (SeAuFe-EpC) with core/satellite morphology by a simple method to realize multimodal imaging-guided cancer radiotherapy. The mechanistic studies reveal that Se incorporation could drastically improve the electrical conductivity and lower the energy barrier between the three components, resulting in more electrons transfer between Se-Au interface and migration over the heterogeneous junction of Au-Fe3O4 NPs interface. This synergistic interaction enhanced the energy transfer and facilitated more excited excitons generated by SeAuFe-EpC NPs, thus promoting the transformation of 3O2 to 1O2via resonance energy transfer, finally resulting in irreversible cancer cell apoptosis. Additionally, based on the X-ray attenuation ability and high NIR absorption of AuNPs and the superparamagnetism of Fe3O4, in vivo computer tomography, photoacoustic and magnetic resonance tri-modal imaging have been employed to visualize the tracking and targeting ability of the NPs. As expected, the NPs specifically accumulated in orthotopic breast tumor area and achieved synergistic anticancer efficacy, but showed no toxic side effects on main organs. Collectively, this study sheds light on the potential roles of core/satellite heteronanostructure in imaging-guided cancer radiotherapy.
Collapse
|
13
|
Stiegler LMS, Hirsch A. Electronic Communication in Confined Space Coronas of Shell-by-Shell Structured Al 2 O 3 Nanoparticle Hybrids Containing Two Layers of Functional Organic Ligands. Chemistry 2019; 25:11864-11875. [PMID: 31222816 DOI: 10.1002/chem.201901052] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 06/12/2019] [Indexed: 12/12/2022]
Abstract
A first series of examples for confined space interactions of electron-rich and electron-poor molecules organized in an internal corona of shell-by-shell (SbS)-structured Al2 O3 nanoparticle (NP) hybrids is reported. The assembly concept of the corresponding hierarchical architectures relies on both covalent grafting of phosphonic acids on the NPs surface (SAMs formation; SAM=self-assembled monolayer) and exohedral interdigitation of orthogonal amphiphiles as the second ligand layer driven by solvophobic interactions. The electronic communication between the chromophores of different electron demand, such as pyrenes, perylenediimides (PDIs; with and without pyridinium bromide headgroups) and fullerenes was promoted at the layer interface. In this work, it is demonstrated that the efficient construction principle of the bilayer hybrids assembled around the electronically "innocent" Al2 O3 core is robust enough to achieve control over electronic communication between electron-donors and -acceptors in the interlayer region. The electronic interactions between the electron-accepting and electron-donating moieties approaching each other at the layer interface were monitored by fluorescence measurements.
Collapse
Affiliation(s)
- Lisa M S Stiegler
- Chair of Organic Chemistry II, Department of Chemistry & Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058, Erlangen, Germany
| | - Andreas Hirsch
- Chair of Organic Chemistry II, Department of Chemistry & Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Nikolaus-Fiebiger-Strasse 10, 91058, Erlangen, Germany
| |
Collapse
|
14
|
Luchs T, Lorenz P, Hirsch A. Efficient Cyclization of the Norbornadiene‐Quadricyclane Interconversion Mediated by a Magnetic [Fe
3
O
4
−CoSalphen] Nanoparticle Catalyst. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900194] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Tobias Luchs
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Straße 10 91058 Erlangen Germany
| | - Patrick Lorenz
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Straße 10 91058 Erlangen Germany
| | - Andreas Hirsch
- Department of Chemistry and PharmacyFriedrich-Alexander-Universität Erlangen-Nürnberg Nikolaus-Fiebiger-Straße 10 91058 Erlangen Germany
| |
Collapse
|