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Lasak M, Nirwan VP, Kuc-Ciepluch D, Lysek-Gladysinska M, Javier de la Mata F, Gomez R, Fahmi A, Ciepluch K. Dendronized Ag/Au Nanomats: Antimicrobial Scaffold for Wound Healing Bandages. Macromol Biosci 2024; 24:e2300513. [PMID: 38444226 DOI: 10.1002/mabi.202300513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 02/06/2024] [Indexed: 03/07/2024]
Abstract
Electrospun polymer nanofibers, due to high surface area-to-volume ratio, high porosity, good mechanical strength, and ease of functionalization, appear as promising multifunctional materials for biomedical applications. Thanks to their unidirectional structure, imitating the extracellular matrix (ECM), they can be used as scaffolds for cell adhesion and proliferation. In addition, the incorporation of active groups inside nanofiber can give properties for bactericides. The proposed nanomats incorporate nanoparticles templated within the electrospun nanofibers that prevent infections and stimulate tissue regeneration. The generated hybrid electrospun nanofibers are composed of a copolymer of L-lactide-block-ε-caprolactone (PL-b-CL), 70:30, blended with homopolymer polyvinylpyrrolidone (PVP) and gold (Au) nanoparticles. A low cytotoxicity and slightly increased immunoreactivity, stimulated by the nanomat, are observed. Moreover, the decoration of the hybrid nanomat with dendronized silver nanoparticles (Dend-Ag) improves their antibacterial activity against antibiotic-resistant Pseudomonas aeruginosa. The use of Dend-Ag for decorating offers several functional effects; namely, it enhances the antibacterial properties of the produced nanomats and induces a significant increase within macrophages' cytotoxicity. The unidirectional nanostructures of the generated hybrid nanomats demonstrate unique collective physio-chemical and biological properties suitable for a wide range of biomedical applications. Here, the antibacterial properties facilitate an optimal environment, contributing to accelerated wound healing.
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Affiliation(s)
- Magdalena Lasak
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, Kielce, 25-640, Poland
| | - Viraj P Nirwan
- Faculty of Technology and Bionics, Rhine-Waal University of Applied Science, Marie-Curie-Straβe 1, 47533, Kleve, Germany
| | - Dorota Kuc-Ciepluch
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, Kielce, 25-640, Poland
| | - Malgorzata Lysek-Gladysinska
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, Kielce, 25-640, Poland
| | - F Javier de la Mata
- Department of Organic and Inorganic Chemistry, Research Institute in Chemistry "Andrés M. del Río" (IQAR), University of Alcalá, Alcalá de Henares, 28871, Spain
- Networking Research Center for Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Av. Monforte de Lemos, 3-5, Madrid, 28029, Spain
- Ramón y Cajal Institute of Health Research, IRYCIS, Ctra. de Colmenar Viejo, Km. 9, Madrid, 28034, Spain
| | - Rafael Gomez
- Department of Organic and Inorganic Chemistry, Research Institute in Chemistry "Andrés M. del Río" (IQAR), University of Alcalá, Alcalá de Henares, 28871, Spain
- Networking Research Center for Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Av. Monforte de Lemos, 3-5, Madrid, 28029, Spain
- Ramón y Cajal Institute of Health Research, IRYCIS, Ctra. de Colmenar Viejo, Km. 9, Madrid, 28034, Spain
| | - Amir Fahmi
- Faculty of Technology and Bionics, Rhine-Waal University of Applied Science, Marie-Curie-Straβe 1, 47533, Kleve, Germany
| | - Karol Ciepluch
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, Kielce, 25-640, Poland
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Chen X, Liu Y, Liu P. Electrospun Core-Sheath Nanofibers with a Cellulose Acetate Coating for the Synergistic Release of Zinc Ion and Drugs. Mol Pharm 2024; 21:173-182. [PMID: 37990999 DOI: 10.1021/acs.molpharmaceut.3c00703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Precisely modulating the synergistic release behavior of multiple bioactive substances has emerged as a formidable challenge in recent years. In this work, we successfully prepared core-sheath nanofibers, where a thin cellulose acetate (CA) coating enrobed the core. Curcumin (Cur) was encapsulated in the core layer as a model drug, while zinc oxide (ZnO) nanoparticles were loaded on the sheath layer. The prepared fiber exhibited a straight cylindrical morphology containing nanoparticles, and the distinct core-sheath nanostructure was demonstrated through transmission electron microscopy (TEM). X-ray diffraction (XRD) and Fourier transform infrared (FTIR) were conducted to study the physical state and compatibility among CA, Cur, and ZnO. Drug release data indicated that core-sheath nanofibers were able to decelerate the rate of drug release, and the thickness of the sheath layer increased in the presence of ZnO particles. Most remarkably, these core-sheath nanofibers exhibited the remarkable ability to sustain the release of drugs and zinc ion (Zn2+), the two-day synergistically release behavior leading to a significant increase in cell proliferation. This material preparation strategy for the synergistic and controlled release of two bioactive substances is instructive for the exploration of innovative and versatile drug delivery systems.
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Affiliation(s)
- Xiaohong Chen
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
- Shanghai Engineering Technology Research Center for High-Performance Medical Device Materials, Shanghai 200093, China
| | - Yubo Liu
- Shanghai University of Medicine & Health Sciences, Shanghai 201318, China
| | - Ping Liu
- School of Materials and Chemistry, University of Shanghai for Science & Technology, Shanghai 200093, China
- Shanghai Engineering Technology Research Center for High-Performance Medical Device Materials, Shanghai 200093, China
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Domingues JM, Miranda CS, Homem NC, Felgueiras HP, Antunes JC. Nanoparticle Synthesis and Their Integration into Polymer-Based Fibers for Biomedical Applications. Biomedicines 2023; 11:1862. [PMID: 37509502 PMCID: PMC10377033 DOI: 10.3390/biomedicines11071862] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
The potential of nanoparticles as effective drug delivery systems combined with the versatility of fibers has led to the development of new and improved strategies to help in the diagnosis and treatment of diseases. Nanoparticles have extraordinary characteristics that are helpful in several applications, including wound dressings, microbial balance approaches, tissue regeneration, and cancer treatment. Owing to their large surface area, tailor-ability, and persistent diameter, fibers are also used for wound dressings, tissue engineering, controlled drug delivery, and protective clothing. The combination of nanoparticles with fibers has the power to generate delivery systems that have enhanced performance over the individual architectures. This review aims at illustrating the main possibilities and trends of fibers functionalized with nanoparticles, focusing on inorganic and organic nanoparticles and polymer-based fibers. Emphasis on the recent progress in the fabrication procedures of several types of nanoparticles and in the description of the most used polymers to produce fibers has been undertaken, along with the bioactivity of such alliances in several biomedical applications. To finish, future perspectives of nanoparticles incorporated within polymer-based fibers for clinical use are presented and discussed, thus showcasing relevant paths to follow for enhanced success in the field.
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Affiliation(s)
- Joana M Domingues
- Centre for Textile Science and Technology (2C2T), Campus of Azurém, University of Minho, 4800-058 Guimarães, Portugal
| | - Catarina S Miranda
- Centre for Textile Science and Technology (2C2T), Campus of Azurém, University of Minho, 4800-058 Guimarães, Portugal
| | - Natália C Homem
- Simoldes Plastics S.A., Rua Comendador António da Silva Rodrigues 165, 3720-193 Oliveira de Azeméis, Portugal
| | - Helena P Felgueiras
- Centre for Textile Science and Technology (2C2T), Campus of Azurém, University of Minho, 4800-058 Guimarães, Portugal
| | - Joana C Antunes
- Centre for Textile Science and Technology (2C2T), Campus of Azurém, University of Minho, 4800-058 Guimarães, Portugal
- Fibrenamics, Institute of Innovation on Fiber-Based Materials and Composites, Campus of Azurém, University of Minho, 4800-058 Guimarães, Portugal
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Nirwan VP, Lasak M, Ciepluch K, Fahmi A. Hybrid Nanomat: Copolymer Template CdSe Quantum Dots In Situ Stabilized and Immobilized within Nanofiber Matrix. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13040630. [PMID: 36838998 PMCID: PMC9959613 DOI: 10.3390/nano13040630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/26/2023] [Accepted: 01/31/2023] [Indexed: 05/12/2023]
Abstract
Fabrication and characterization of hybrid nanomats containing quantum dots can play a prominent role in the development of advanced biosensors and bio-based semiconductors. Owing to their size-dependent properties and controlled nanostructures, quantum dots (QDs) exhibit distinct optical and electronic characteristics. However, QDs include heavy metals and often require stabilizing agents which are toxic for biological applications. Here, to mitigate the use of toxic ligands, cadmium selenide quantum dots (CdSe QDs) were synthesized in situ with polyvinylpyrrolidone (PVP) at room temperature. The addition of PVP polymer provided size regulation, stability, and control over size distribution of CdSe QDs. The characterization of the optical properties of the CdSe QDs was performed using fluorescence and ultraviolet-visible (UV-Vis) spectroscopy. CdSe QDs exhibited a typical absorbance peak at 280 nm and a photoluminescence emission peak at 580 nm. Transmission electron microscopy (TEM) micrographs demonstrated that CdSe QDs having an average size of 6 ± 4 nm were obtained via wet chemistry method. CdSe QDs were immobilized in a blend of PVP and poly(L-lactide-co-ε-caprolactone) (PL-b-CL) copolymer that was electrospun to produce nanofibers. Scanning electron microscopy (SEM), thermal analyses and attenuated total reflectance Fourier-transform infrared spectroscopy (ATR-FTIR) were used to characterize properties of fabricated nanofibers. Both pristine and hybrid nanofibers possessed cylindrical geometry and rough surface features, facilitating increased surface area. Infrared absorption spectra showed a slight shift in absorbance peaks due to interaction of PVP-coated CdSe QDs and nanofiber matrix. The presence of CdSe QDs influenced the fiber diameter and their thermal stability. Further, in vitro biological analyses of hybrid nanofibers showed promising antibacterial effect and decline in cancer cell viability. This study offers a simple approach to obtain hybrid nanomats immobilized with size-controlled PVP-coated CdSe QDs, which have potential applications as biosensors and antibacterial and anticancer cell agents.
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Affiliation(s)
- Viraj P. Nirwan
- Faculty of Technology and Bionics, Rhine-Waal University of Applied Science, Marie-Curie-Straβe 1, 47533 Kleve, Germany
| | - Magdalena Lasak
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, 25-406 Kielce, Poland
| | - Karol Ciepluch
- Division of Medical Biology, Jan Kochanowski University in Kielce, Uniwersytecka Street 7, 25-406 Kielce, Poland
| | - Amir Fahmi
- Faculty of Technology and Bionics, Rhine-Waal University of Applied Science, Marie-Curie-Straβe 1, 47533 Kleve, Germany
- Correspondence: ; Tel.: +49-0282-1806-73634
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Abdul Hameed MM, Mohamed Khan SAP, Thamer BM, Rajkumar N, El‐Hamshary H, El‐Newehy M. Electrospun nanofibers for drug delivery applications: Methods and mechanism. POLYM ADVAN TECHNOL 2022. [DOI: 10.1002/pat.5884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Syed Ali Padusha Mohamed Khan
- PG and Research Department of Chemistry Jamal Mohamed College (Affiliated to Bharathidasan University) Tiruchirappalli India
| | - Badr M. Thamer
- Department of Chemistry College of Science, King Saud University Saudi Arabia
| | - Nirmala Rajkumar
- Department of Biotechnology Hindustan College of Arts and Science (Affiliated to University of Madras) Chennai India
| | - Hany El‐Hamshary
- Department of Chemistry College of Science, King Saud University Saudi Arabia
- Department of Chemistry, Faculty of Science Tanta University Egypt
| | - Mohamed El‐Newehy
- Department of Chemistry College of Science, King Saud University Saudi Arabia
- Department of Chemistry, Faculty of Science Tanta University Egypt
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Alvarez C, Berrospe-Rodriguez C, Wu C, Pasek-Allen J, Khosla K, Bischof J, Mangolini L, Aguilar G. Photothermal heating of titanium nitride nanomaterials for fast and uniform laser warming of cryopreserved biomaterials. Front Bioeng Biotechnol 2022; 10:957481. [PMID: 36091458 PMCID: PMC9455577 DOI: 10.3389/fbioe.2022.957481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 07/18/2022] [Indexed: 11/20/2022] Open
Abstract
Titanium nitride (TiN) is presented as an alternative plasmonic nanomaterial to the commonly used gold (Au) for its potential use in laser rewarming of cryopreserved biomaterials. The rewarming of vitrified, glass like state, cryopreserved biomaterials is a delicate process as potential ice formation leads to mechanical stress and cracking on a macroscale, and damage to cell walls and DNA on a microscale, ultimately leading to the destruction of the biomaterial. The use of plasmonic nanomaterials dispersed in cryoprotective agent solutions to rapidly convert optical radiation into heat, generally supplied by a focused laser beam, proposes a novel approach to overcome this difficulty. This study focuses on the performance of TiN nanoparticles (NPs), since they present high thermal stability and are inexpensive compared to Au. To uniformly warm up the nanomaterial solutions, a beam splitting laser system was developed to heat samples from multiple sides with equal beam energy distribution. In addition, uniform laser warming requires equal distribution of absorption and scattering properties in the nanomaterials. Preliminary results demonstrated higher absorption but less scattering in TiN NPs than Au nanorods (GNRs). This led to the development of TiN clusters, synthetized by nanoparticle agglomeration, to increase the scattering cross-section of the material. Overall, this study analyzed the heating rate, thermal efficiency, and heating uniformity of TiN NPs and clusters in comparison to GNRs at different solution concentrations. TiN NPs and clusters demonstrated higher heating rates and solution temperatures, while only clusters led to a significantly improved uniformity in heating. These results highlight a promising alternative plasmonic nanomaterial to rewarm cryopreserved biological systems in the future.
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Affiliation(s)
- Crysthal Alvarez
- J. Mike Walker ’66 Department of Mechanical Engineering, Texas A&M University, College Station, TX, United States
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
| | - Carla Berrospe-Rodriguez
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
| | - Chaolumen Wu
- Department of Chemistry, University of California, Riverside, Riverside, CA, United States
| | - Jacqueline Pasek-Allen
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Kanav Khosla
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - John Bischof
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, United States
- Department of Mechanical Engineering, University of Minnesota, Minneapolis, MN, United States
| | - Lorenzo Mangolini
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
- *Correspondence: Lorenzo Mangolini, ; Guillermo Aguilar,
| | - Guillermo Aguilar
- J. Mike Walker ’66 Department of Mechanical Engineering, Texas A&M University, College Station, TX, United States
- Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, United States
- *Correspondence: Lorenzo Mangolini, ; Guillermo Aguilar,
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Advances in Electrospun Hybrid Nanofibers for Biomedical Applications. NANOMATERIALS 2022; 12:nano12111829. [PMID: 35683685 PMCID: PMC9181850 DOI: 10.3390/nano12111829] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 05/18/2022] [Accepted: 05/24/2022] [Indexed: 02/04/2023]
Abstract
Electrospun hybrid nanofibers, based on functional agents immobilized in polymeric matrix, possess a unique combination of collective properties. These are beneficial for a wide range of applications, which include theranostics, filtration, catalysis, and tissue engineering, among others. The combination of functional agents in a nanofiber matrix offer accessibility to multifunctional nanocompartments with significantly improved mechanical, electrical, and chemical properties, along with better biocompatibility and biodegradability. This review summarizes recent work performed for the fabrication, characterization, and optimization of different hybrid nanofibers containing varieties of functional agents, such as laser ablated inorganic nanoparticles (NPs), which include, for instance, gold nanoparticles (Au NPs) and titanium nitride nanoparticles (TiNPs), perovskites, drugs, growth factors, and smart, inorganic polymers. Biocompatible and biodegradable polymers such as chitosan, cellulose, and polycaprolactone are very promising macromolecules as a nanofiber matrix for immobilizing such functional agents. The assimilation of such polymeric matrices with functional agents that possess wide varieties of characteristics require a modified approach towards electrospinning techniques such as coelectrospinning and template spinning. Additional focus within this review is devoted to the state of the art for the implementations of these approaches as viable options for the achievement of multifunctional hybrid nanofibers. Finally, recent advances and challenges, in particular, mass fabrication and prospects of hybrid nanofibers for tissue engineering and biomedical applications have been summarized.
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Engineering drug delivery systems to overcome the vaginal mucosal barrier: Current understanding and research agenda of mucoadhesive formulations of vaginal delivery. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103162] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Mohammadalizadeh Z, Bahremandi-Toloue E, Karbasi S. Recent advances in modification strategies of pre- and post-electrospinning of nanofiber scaffolds in tissue engineering. REACT FUNCT POLYM 2022. [DOI: 10.1016/j.reactfunctpolym.2022.105202] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Al-Kattan A, Grojo D, Drouet C, Mouskeftaras A, Delaporte P, Casanova A, Robin JD, Magdinier F, Alloncle P, Constantinescu C, Motto-Ros V, Hermann J. Short-Pulse Lasers: A Versatile Tool in Creating Novel Nano-/Micro-Structures and Compositional Analysis for Healthcare and Wellbeing Challenges. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:712. [PMID: 33809072 PMCID: PMC8001552 DOI: 10.3390/nano11030712] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/04/2021] [Accepted: 03/08/2021] [Indexed: 12/21/2022]
Abstract
Driven by flexibility, precision, repeatability and eco-friendliness, laser-based technologies have attracted great interest to engineer or to analyze materials in various fields including energy, environment, biology and medicine. A major advantage of laser processing relies on the ability to directly structure matter at different scales and to prepare novel materials with unique physical and chemical properties. It is also a contact-free approach that makes it possible to work in inert or reactive liquid or gaseous environment. This leads today to a unique opportunity for designing, fabricating and even analyzing novel complex bio-systems. To illustrate this potential, in this paper, we gather our recent research on four types of laser-based methods relevant for nano-/micro-scale applications. First, we present and discuss pulsed laser ablation in liquid, exploited today for synthetizing ultraclean "bare" nanoparticles attractive for medicine and tissue engineering applications. Second, we discuss robust methods for rapid surface and bulk machining (subtractive manufacturing) at different scales by laser ablation. Among them, the microsphere-assisted laser surface engineering is detailed for its appropriateness to design structured substrates with hierarchically periodic patterns at nano-/micro-scale without chemical treatments. Third, we address the laser-induced forward transfer, a technology based on direct laser printing, to transfer and assemble a multitude of materials (additive structuring), including biological moiety without alteration of functionality. Finally, the fourth method is about chemical analysis: we present the potential of laser-induced breakdown spectroscopy, providing a unique tool for contact-free and space-resolved elemental analysis of organic materials. Overall, we present and discuss the prospect and complementarity of emerging reliable laser technologies, to address challenges in materials' preparation relevant for the development of innovative multi-scale and multi-material platforms for bio-applications.
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Affiliation(s)
- Ahmed Al-Kattan
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - David Grojo
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Christophe Drouet
- CIRIMAT, Université de Toulouse, UMR 5085 CNRS/Toulouse INP/UT3 Paul Sabatier, Ensiacet, 4 allée E. Monso, CEDEX 04, 31030 Toulouse, France;
| | - Alexandros Mouskeftaras
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Philippe Delaporte
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Adrien Casanova
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Jérôme D. Robin
- Aix-Marseille University, INSERM, MMG, Marseille Medical Genetics, 13385 Marseille, France; (J.D.R.); (F.M.)
| | - Frédérique Magdinier
- Aix-Marseille University, INSERM, MMG, Marseille Medical Genetics, 13385 Marseille, France; (J.D.R.); (F.M.)
| | - Patricia Alloncle
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Catalin Constantinescu
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
| | - Vincent Motto-Ros
- Institut Lumière Matière UMR 5306, Université Lyon 1—CNRS, Université de Lyon, 69622 Villeurbanne, France;
| | - Jörg Hermann
- Aix-Marseille University, CNRS, LP3 UMR 7341, Campus de Luminy, Case 917, CEDEX 09, 13288 Marseille, France; (D.G.); (A.M.); (P.D.); (A.C.); (P.A.); (C.C.); (J.H.)
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