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Hövelmann SC, Dieball E, Kuhn J, Dargasz M, Giri RP, Reise F, Paulus M, Lindhorst TK, Murphy BM. Photoinduced bidirectional mesophase transition in vesicles containing azobenzene amphiphiles. IUCRJ 2024; 11:486-493. [PMID: 38805319 PMCID: PMC11220873 DOI: 10.1107/s2052252524004032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 05/02/2024] [Indexed: 05/30/2024]
Abstract
The functionality and efficiency of proteins within a biological membrane are highly dependent on both the membrane lipid composition and the physiochemical properties of the solution. Lipid mesophases are directly influenced by changes in temperature, pH, water content or due to individual properties of single lipids such as photoswitchability. In this work, we were able to induce light- and temperature-driven mesophase transitions in a model membrane system containing a mixture of 1,2-dipalmitoyl-phosphatidylcholine phospholipids and azobenzene amphiphiles. We observed reversible and reproducible transitions between the lamellar and Pn3m cubic phase after illuminating the sample for 5 min with light of 365 and 455 nm wavelengths, respectively, to switch between the cis and trans states of the azobenzene N=N double bond. These light-controlled mesophase transitions were found for mixed complexes with up to 20% content of the photosensitive molecule and at temperatures below the gel-to-liquid crystalline phase transition temperature of 33°C. Our results demonstrate the potential to design bespoke model systems to study the response of membrane lipids and proteins upon changes in mesophase without altering the environment and thus provide a possible basis for drug delivery systems.
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Affiliation(s)
- Svenja C. Hövelmann
- Institute of Experimental and Applied PhysicsKiel UniversityLeibnizstraße 1924118 KielGermany
- Deutsche Elektronen-Synchrotron DESYNotkestraße 8522607 HamburgGermany
- Ruprecht Haensel Laboratory, Olshausenstraße 40, 24098 Kiel, Germany
| | - Ella Dieball
- Institute of Experimental and Applied PhysicsKiel UniversityLeibnizstraße 1924118 KielGermany
| | - Jule Kuhn
- Institute of Experimental and Applied PhysicsKiel UniversityLeibnizstraße 1924118 KielGermany
| | - Michelle Dargasz
- Department PhysikUniversität SiegenWalter-Flex-Strasse 357072 SiegenGermany
| | - Rajendra P. Giri
- Institute of Experimental and Applied PhysicsKiel UniversityLeibnizstraße 1924118 KielGermany
| | - Franziska Reise
- Otto Diels Institute of Organic ChemistryKiel UniversityOtto-Hahn-Platz 3-424118 KielGermany
| | - Michael Paulus
- Fakultät Physik/DELTA, TU Dortmund, 44221 Dortmund, Germany
| | - Thisbe K. Lindhorst
- Otto Diels Institute of Organic ChemistryKiel UniversityOtto-Hahn-Platz 3-424118 KielGermany
| | - Bridget M. Murphy
- Institute of Experimental and Applied PhysicsKiel UniversityLeibnizstraße 1924118 KielGermany
- Ruprecht Haensel Laboratory, Olshausenstraße 40, 24098 Kiel, Germany
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2
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Gao M, Li Y, Ho W, Chen C, Chen Q, Li F, Tang M, Fan Q, Wan J, Yu W, Xu X, Li P, Zhang XQ. Targeted mRNA Nanoparticles Ameliorate Blood-Brain Barrier Disruption Postischemic Stroke by Modulating Microglia Polarization. ACS NANO 2024; 18:3260-3275. [PMID: 38227975 DOI: 10.1021/acsnano.3c09817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
The ischemic stroke is a major global health concern, with high mortality and disability rates. Unfortunately, there is a dearth of effective clinical interventions for managing poststroke neuroinflammation and blood-brain barrier (BBB) disruption that are crucial for the brain injury evolving and neurological deficits. By leveraging the pathological progression of an ischemic stroke, we developed an M2 microglia-targeting lipid nanoparticle (termed MLNP) approach that can selectively deliver mRNA encoding phenotype-switching interleukin-10 (mIL-10) to the ischemic brain, creating a beneficial feedback loop that drives microglial polarization toward the protective M2 phenotypes and augments the homing of mIL-10-loaded MLNPs (mIL-10@MLNPs) to ischemic regions. In a transient middle cerebral artery occlusion (MCAO) mouse model of an ischemic stroke, our findings demonstrate that intravenously injected mIL-10@MLNPs induce IL-10 production and enhance the M2 polarization of microglia. The resulting positive loop reinforces the resolution of neuroinflammation, restores the impaired BBB, and prevents neuronal apoptosis after stroke. Using a permanent distal MCAO mouse model of an ischemic stroke, the neuroprotective effects of mIL-10@MLNPs have been further validated by the attenuation of the sensorimotor and cognitive neurological deficits. Furthermore, the developed mRNA-based targeted therapy has great potential to extend the therapeutic time window at least up to 72 h poststroke. This study depicts a simple and versatile LNP platform for selective delivery of mRNA therapeutics to cerebral lesions, showcasing a promising approach for addressing an ischemic stroke and associated brain conditions.
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Affiliation(s)
- Mingzhu Gao
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmaceutical Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
- National Key Laboratory of Innovative Immunotherapy (Shanghai Jiao Tong University), Shanghai 200240, China
| | - Yan Li
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
| | - William Ho
- Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Chen Chen
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
| | - Qijing Chen
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmaceutical Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
- National Key Laboratory of Innovative Immunotherapy (Shanghai Jiao Tong University), Shanghai 200240, China
| | - Fengshi Li
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
- Department of Neurosurgery, Center of Cerebrovascular Disease, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Maoping Tang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmaceutical Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
- National Key Laboratory of Innovative Immunotherapy (Shanghai Jiao Tong University), Shanghai 200240, China
| | - Qiuyue Fan
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
| | - Jieqing Wan
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
- Department of Neurosurgery, Center of Cerebrovascular Disease, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Weifeng Yu
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
| | - Xiaoyang Xu
- Department of Chemical and Materials Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
- Department of Biomedical Engineering, New Jersey Institute of Technology, Newark, New Jersey 07102, United States
| | - Peiying Li
- Department of Anesthesiology, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
- Key Laboratory of Anesthesiology (Shanghai Jiao Tong University), Ministry of Education, Shanghai 200127, China
- Clinical Research Center, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200127, China
| | - Xue-Qing Zhang
- Shanghai Frontiers Science Center of Drug Target Identification and Delivery, School of Pharmaceutical Sciences, Shanghai Jiao Tong University, Shanghai 200240, China
- National Key Laboratory of Innovative Immunotherapy (Shanghai Jiao Tong University), Shanghai 200240, China
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Warias JE, Reise F, Hövelmann SC, Giri RP, Röhrl M, Kuhn J, Jacobsen M, Chatterjee K, Arnold T, Shen C, Festersen S, Sartori A, Jordt P, Magnussen OM, Lindhorst TK, Murphy BM. Photoinduced bidirectional switching in lipid membranes containing azobenzene glycolipids. Sci Rep 2023; 13:11480. [PMID: 37455299 PMCID: PMC10350456 DOI: 10.1038/s41598-023-38336-x] [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: 11/02/2022] [Accepted: 07/06/2023] [Indexed: 07/18/2023] Open
Abstract
Following the reaction of biological membranes to external stimuli reveals fundamental insights into cellular function. Here, self-assembled lipid monolayers act as model membranes containing photoswitchable azobenzene glycolipids for investigating structural response during isomerization by combining Langmuir isotherms with X-ray scattering. Controlled in-situ trans/cis photoswitching of the azobenzene N = N double bond alters the DPPC monolayer structure, causing reproducible changes in surface pressure and layer thickness, indicating monolayer reorientation. Interestingly, for monolayers containing azobenzene glycolipids, along with the expected DPPC phase transitions an additional discontinuity is observed. The associated reorintation represents a crossover point, with the surface pressure and layer thickness changing in opposite directions above and below. This is evidence that the azobenzene glycolipids themselves change orientation within the monolayer. Such behaviour suggests that azobenzene glycolipids can act as a bidirectional switch in DPPC monolayers providing a tool to investigate membrane structure-function relationships in depth.
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Affiliation(s)
- Jonas E Warias
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
| | - Franziska Reise
- Otto Diels Institute of Organic Chemistry, Kiel University, Otto-Hahn-Platz 3-4, 24118, Kiel, Germany
| | - Svenja C Hövelmann
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607, Hamburg, Germany
- Ruprecht Haensel Laboratory, Kiel University, 24118, Kiel, Germany
| | - Rajendra P Giri
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
- Ruprecht Haensel Laboratory, Kiel University, 24118, Kiel, Germany
| | - Michael Röhrl
- Otto Diels Institute of Organic Chemistry, Kiel University, Otto-Hahn-Platz 3-4, 24118, Kiel, Germany
| | - Jule Kuhn
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
| | - Malte Jacobsen
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
| | - Kuntal Chatterjee
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
- Molecular Biophysics and Integrated Bioimaging Division, Lawrence Barkeley National Laboratory, 1 Cyclotron Road, Berkeley, CA, 94720, USA
| | - Thomas Arnold
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, OX11 ODE, UK
- ISIS Neutron and Muon Source, Rutherford Appleton Laboratory, Didcot, OX11 0QX, UK
- Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK
- European Spallation Source ERIC, P.O Box 176, 221 00, Lund, Sweden
| | - Chen Shen
- Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607, Hamburg, Germany
| | - Sven Festersen
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
| | - Andrea Sartori
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
- ESRF-The European Synchrotron, 38043, Grenoble, France
| | - Philipp Jordt
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
| | - Olaf M Magnussen
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany
- Ruprecht Haensel Laboratory, Kiel University, 24118, Kiel, Germany
| | - Thisbe K Lindhorst
- Otto Diels Institute of Organic Chemistry, Kiel University, Otto-Hahn-Platz 3-4, 24118, Kiel, Germany
| | - Bridget M Murphy
- Institute of Experimental and Applied Physics, Kiel University, Leibnizstr. 19, 24118, Kiel, Germany.
- Ruprecht Haensel Laboratory, Kiel University, 24118, Kiel, Germany.
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Wang Z, Maisonneuve S, Xie J. One-Pot Synthesis of Water-Soluble Glycosyl Azobenzenes and Their Photoswitching Properties in Water. J Org Chem 2022; 87:16165-16174. [PMID: 36445318 DOI: 10.1021/acs.joc.2c01511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Molecular photoswitches capable of reversible photoswitching in aqueous media are highly demanded for various biological applications and photopharmacology. Carbohydrates, as natural and abundant raw materials, provide opportunity to make photoswitches water-soluble through linking sugar to the photoswitching molecules. We have developed a one-pot synthesis method to prepare water-soluble glycosyl azobenzenes through DMC (2-chloro-1,3-dimethylimidazolinium chloride)-mediated glycosylation between sugar and dihydroxyazobenzenes (DHABs) in aqueous media. The scope of the method has been investigated with different mono- and disaccharides, as well as with p,p'- and o,o'-DHAB, with excellent 1,2-trans stereoselectivity. Diglycosylation products can also be obtained with an excess amount of monosaccharides in one step. We have also demonstrated the possibility of further functionalization on the azobenzene moiety of glycosyl azobenzene. Both mono- and diglycosyl azobenzenes showed excellent photoswitching properties in water with high fatigue resistance and good thermostability for the Z-isomers. Excellent E → Z photoisomerization of both mono- and diglycosylated azobenzenes (Z/E = 99/1) is observed under illumination at 365 nm, while back Z → E photoisomerization can be achieved with blue light (with E/Z = 80/20 at PSS485 for the diglycosyl derivative).
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Affiliation(s)
- Zhaoxin Wang
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, 91190 Gif-sur-Yvette, France
| | - Stéphane Maisonneuve
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, 91190 Gif-sur-Yvette, France
| | - Juan Xie
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, Photophysique et Photochimie Supramoléculaires et Macromoléculaires, 91190 Gif-sur-Yvette, France
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Ali TH, Mandal AM, Heidelberg T, Hussen RSD. Sugar based cationic magnetic core-shell silica nanoparticles for nucleic acid extraction. RSC Adv 2022; 12:13566-13579. [PMID: 35530382 PMCID: PMC9069700 DOI: 10.1039/d2ra01139e] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Accepted: 04/19/2022] [Indexed: 01/09/2023] Open
Abstract
Nucleic acid (NA) extraction is an essential step in molecular testing for a wide range of applications. Conventional extraction protocols usually suffer from time consuming removal of non-nucleic acid impurities. In this study, a new magnetic nanoparticle (MNP) is presented to simplify the NA extraction. A core–shell design, comprising of a ferromagnetic core coated with mesoporous silica, forms the basis of the functional nanoparticle. Chemical functionalization of the silica coating includes a multistep synthesis, in which an activated nanoparticle is coupled with a triethylene glycol spaced glycosyl imidazole. The molecular design aims for charge interactions between the imidazolium-based positive nanoparticle surface and nucleic acids, with specific hydrogen bonding between the surface bonded carbohydrate and nucleic acid targets to ensure nucleic acid selectivity and avoid protein contamination. Two different carbohydrates, differing in molecular size, were selected to compare the efficiency in terms of NA extraction. A triethylene glycol spacer provides sufficient flexibility to remove particle surface constraints for the interaction. The Brunauer–Emmett–Teller (BET) analysis shows a significantly larger surface area for the disaccharide-based particles NpFeSiImMalt (∼181 m2 g−1) compared to the monosaccharide analogue NpFeSiImGlc (∼116 m2 g−1) at small particles sizes (range ∼ 15 nm) and sufficient magnetization (29 emu g−1) for easy isolation by an external magnetic field. The particles enabled a high DNA particle loading ratio of 30–45 wt% (MNP/DNA ratio), reflecting an efficient extraction process. A high desorption rate (7 min) with more than 86% of unchanged DNA loading was recorded, indicating low damage to the target extract. New design of cationic magnetic core–shell nanoparticles fabricated with a large hydrophilic group (carbohydrate molecules) enabled high adsorption of a nucleic acid, easy isolation and controlled the movement by applying an external magnetic field.![]()
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Affiliation(s)
- Tammar Hussein Ali
- Faculty of Pharmacy, Department of Pharmaceutical Chemistry, Al-Muthanna University 66001 Samawah Al Muthanna Iraq .,Molecular Design and Synthesis, Department of Chemistry, KU Leuven Celestijnenlaan 200F 3001 Leuven Belgium
| | - Amar Mousa Mandal
- College of Basic Education, Science Department, Al-Muthanna University 66001 Samawah Al Muthanna Iraq
| | - Thorsten Heidelberg
- Chemistry Department, Faculty of Science, University of Malaya 50603 Kuala Lumpur Malaysia
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Pritzl SD, Konrad DB, Ober MF, Richter AF, Frank JA, Nickel B, Trauner D, Lohmüller T. Optical Membrane Control with Red Light Enabled by Red-Shifted Photolipids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:385-393. [PMID: 34969246 DOI: 10.1021/acs.langmuir.1c02745] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Photoswitchable phospholipids, or "photolipids", that harbor an azobenzene group in their lipid tails are versatile tools to manipulate and control lipid bilayer properties with light. So far, the limited ultraviolet-A/blue spectral range in which the photoisomerization of regular azobenzene operates has been a major obstacle for biophysical or photopharmaceutical applications. Here, we report on the synthesis of nano- and micrometer-sized liposomes from tetra-ortho-chloro azobenzene-substituted phosphatidylcholine (termed red-azo-PC) that undergoes photoisomerization on irradiation with tissue-penetrating red light (≥630 nm). Photoswitching strongly affects the fluidity and mechanical properties of lipid membranes, although small-angle X-ray scattering and dynamic light scattering measurements reveal only a minor influence on the overall bilayer thickness and area expansion. By controlling the photostationary state and the photoswitching efficiency of red-azo-PC for specific wavelengths, we demonstrate that shape transitions such as budding or pearling and the division of cell-sized vesicles can be achieved. These results emphasize the applicability of red-azo-PC as a nanophotonic tool in synthetic biology and for biomedical applications.
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Affiliation(s)
- Stefanie D Pritzl
- Chair for Photonics and Optoelectronics, Nano-Institute Munich, Department of Physics, Ludwig-Maximilians-Universtität (LMU), Königinstraße 10, 80539 Munich, Germany
| | - David B Konrad
- Department of Pharmacy, Ludwig-Maximilians-Universtität (LMU), Butenandtstraße 5-13, 81377 Munich, Germany
| | - Martina F Ober
- Faculty of Physics and CeNS, Ludwig-Maximilians-Universtität (LMU), Geschwister-Scholl-Platz 1, 80539 München, Germany
| | - Alexander F Richter
- Chair for Photonics and Optoelectronics, Nano-Institute Munich, Department of Physics, Ludwig-Maximilians-Universtität (LMU), Königinstraße 10, 80539 Munich, Germany
| | - James A Frank
- Department of Chemical Physiology & Biochemistry, Vollum Institute, Oregon, Health & Science University, 3181 S.W. Sam Jackson Park Rd., Portland, Oregon 97239, United States
| | - Bert Nickel
- Faculty of Physics and CeNS, Ludwig-Maximilians-Universtität (LMU), Geschwister-Scholl-Platz 1, 80539 München, Germany
| | - Dirk Trauner
- Department of Chemistry, New York University, Silver Center, 100 Washington Square East, Room 712, New York, New York 10003, United States
| | - Theobald Lohmüller
- Chair for Photonics and Optoelectronics, Nano-Institute Munich, Department of Physics, Ludwig-Maximilians-Universtität (LMU), Königinstraße 10, 80539 Munich, Germany
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8
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Sánchez-León AM, Cintas P, Light ME, Palacios JC. Thermal and Photochemical Switching of Chiral Sugar Azoalkenes: A Mechanistic Interrogation. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ana María Sánchez-León
- Departamento de Química Orgánica e Inorgánica; Facultad de Ciencias, and; IACYS-Unidad de Química Verde y Desarrollo Sostenible; Universidad de Extremadura; 06006 Badajoz Spain
| | - Pedro Cintas
- Departamento de Química Orgánica e Inorgánica; Facultad de Ciencias, and; IACYS-Unidad de Química Verde y Desarrollo Sostenible; Universidad de Extremadura; 06006 Badajoz Spain
| | - Mark E. Light
- Department of Chemistry; Faculty of Natural and Environmental Sciences; University of Southampton; SO 17 1BJ Southampton U.K
| | - Juan Carlos Palacios
- Departamento de Química Orgánica e Inorgánica; Facultad de Ciencias, and; IACYS-Unidad de Química Verde y Desarrollo Sostenible; Universidad de Extremadura; 06006 Badajoz Spain
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