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Cherian D, Roy A, Bersellini Farinotti A, Abrahamsson T, Arbring Sjöström T, Tybrandt K, Nilsson D, Berggren M, Svensson CI, Poxson DJ, Simon DT. Flexible Organic Electronic Ion Pump Fabricated Using Inkjet Printing and Microfabrication for Precision In Vitro Delivery of Bupivacaine. Adv Healthc Mater 2023; 12:e2300550. [PMID: 37069480 DOI: 10.1002/adhm.202300550] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/31/2023] [Indexed: 04/19/2023]
Abstract
The organic electronic ion pump (OEIP) is an on-demand electrophoretic drug delivery device, that via electronic to ionic signal conversion enables drug delivery without additional pressure or volume changes. The fundamental component of OEIPs is their polyelectrolyte membranes which are shaped into ionic channels that conduct and deliver ionic drugs, with high spatiotemporal resolution. The patterning of these membranes is essential in OEIP devices and is typically achieved using laborious microprocessing techniques. Here, the development of an inkjet printable formulation of polyelectrolyte is reported, based on a custom anionically functionalized hyperbranched polyglycerol (i-AHPG). This polyelectrolyte ink greatly simplifies the fabrication process and is used in the production of free-standing OEIPs on flexible polyimide (PI) substrates. Both i-AHPG and the OEIP devices are characterized, exhibiting favorable iontronic characteristics of charge selectivity and the ability to transport aromatic compounds. Further, the applicability of these technologies is demonstrated by the transport and delivery of the pharmaceutical compound bupivacaine to dorsal root ganglion cells with high spatial precision and effective nerve blocking, highlighting the applicability of these technologies for biomedical scenarios.
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Affiliation(s)
- Dennis Cherian
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - Arghyamalya Roy
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | | | - Tobias Abrahamsson
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - Theresia Arbring Sjöström
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - Klas Tybrandt
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - David Nilsson
- Unit of Printed Electronics, RISE Research Institutes of Sweden, Norrköping, 60221, Sweden
| | - Magnus Berggren
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - Camilla I Svensson
- Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, 17177, Sweden
| | - David J Poxson
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
| | - Daniel T Simon
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, Norrköping, 60174, Sweden
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Świt P, Pollap A, Orzeł J. Spectroscopic Determination of Acetylcholine (ACh): A Representative Review. Top Curr Chem (Cham) 2023; 381:16. [PMID: 37169979 PMCID: PMC10175388 DOI: 10.1007/s41061-023-00426-9] [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: 02/13/2023] [Accepted: 04/22/2023] [Indexed: 05/13/2023]
Abstract
Acetylcholine (ACh) is one of the most crucial neurotransmitters of the cholinergic system found in vertebrates and invertebrates and is responsible for many processes in living organisms. Disturbances in ACh transmission are closely related to dementia in Alzheimer's and Parkinson's disease. ACh in biological samples is most often determined using chromatographic techniques, radioenzymatic assays, enzyme-linked immunosorbent assay (ELISA), or potentiometric methods. An alternative way to detect and determine acetylcholine is applying spectroscopic techniques, due to low limits of detection and quantification, which is not possible with the methods mentioned above. In this review article, we described a detailed overview of different spectroscopic methods used to determine ACh with a collection of validation parameters as a perspective tool for routine analysis, especially in basic research on animal models on central nervous system. In addition, there is a discussion of examples of other biological materials from clinical and preclinical studies to give the whole spectrum of spectroscopic methods application. Descriptions of the developed chemical sensors, as well as the use of flow technology, were also presented. It is worth emphasizing the inclusion in the article of multi-component analysis referring to other neurotransmitters, as well as the description of the tested biological samples and extraction procedures. The motivation to use spectroscopic techniques to conduct this type of analysis and future perspectives in this field are briefly discussed.
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Affiliation(s)
- Paweł Świt
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia in Katowice, 9 Szkolna Street, 40-006, Katowice, Poland.
| | | | - Joanna Orzeł
- Institute of Chemistry, Faculty of Science and Technology, University of Silesia in Katowice, 9 Szkolna Street, 40-006, Katowice, Poland
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Seitanidou M, Tybrandt K, Berggren M, Simon DT. Overcoming transport limitations in miniaturized electrophoretic delivery devices. LAB ON A CHIP 2019; 19:1427-1435. [PMID: 30875418 DOI: 10.1039/c9lc00038k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Organic electronic ion pumps (OEIPs) have been used for delivery of biological signaling compounds, at high spatiotemporal resolution, to a variety of biological targets. The miniaturization of this technology provides several advantages, ranging from better spatiotemporal control of delivery to reduced invasiveness for implanted OEIPs. One route to miniaturization is to develop OEIPs based on glass capillary fibers that are filled with a polyelectrolyte (cation exchange membrane, CEM). These devices can be easily inserted and brought into close proximity to targeted cells and tissues and could be considered as a starting point for other fiber-based OEIP and "iontronic" technologies enabling favorable implantable device geometries. While characterizing capillary OEIPs we observed deviations from the typical linear current-voltage behavior. Here we report a systematic investigation of these irregularities by performing experimental characterizations in combination with computational modelling. The cause of the observed irregularities is due to concentration polarization established at the OEIP inlet, which in turn causes electric field-enhanced water dissociation at the inlet. Water dissociation generates protons and is typically problematic for many applications. By adding an ion-selective cap that separates the inlet from the source reservoir this effect is then, to a large extent, suppressed. By increasing the surface area of the inlet with the addition of the cap, the concentration polarization is reduced which thereby allows for significantly higher delivery rates. These results demonstrate a useful approach to optimize transport and delivery of therapeutic substances at low concentrations via miniaturized electrophoretic delivery devices, thus considerably broadening the opportunities for implantable OEIP applications.
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Affiliation(s)
- Maria Seitanidou
- Laboratory of Organic Electronics, Department of Science and Technology, Linköping University, 60174 Norrköping, Sweden.
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Gauze GF, Basso EA, Contreras RH, Tormena CF. Effect of Sulfur Oxidation on the Transmission Mechanism of 4JHH NMR Coupling Constants in 1,3-Dithiane. J Phys Chem A 2009; 113:2647-51. [DOI: 10.1021/jp810981z] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Gisele F. Gauze
- Departamento de Química, Universidade Estadual de Maringá, CEP-87020-900, Maringá, PR, Brazil, Department of Physics, FCEyN, University of Buenos Aires and CONICET, Buenos Aires, Argentina, and Department of Organic Chemistry, Chemistry Institute, P.O. Box 6154, University of Campinas, UNICAMP, CEP: 13084-971 Campinas, SP, Brazil
| | - Ernani A. Basso
- Departamento de Química, Universidade Estadual de Maringá, CEP-87020-900, Maringá, PR, Brazil, Department of Physics, FCEyN, University of Buenos Aires and CONICET, Buenos Aires, Argentina, and Department of Organic Chemistry, Chemistry Institute, P.O. Box 6154, University of Campinas, UNICAMP, CEP: 13084-971 Campinas, SP, Brazil
| | - Rubén H. Contreras
- Departamento de Química, Universidade Estadual de Maringá, CEP-87020-900, Maringá, PR, Brazil, Department of Physics, FCEyN, University of Buenos Aires and CONICET, Buenos Aires, Argentina, and Department of Organic Chemistry, Chemistry Institute, P.O. Box 6154, University of Campinas, UNICAMP, CEP: 13084-971 Campinas, SP, Brazil
| | - Cláudio F. Tormena
- Departamento de Química, Universidade Estadual de Maringá, CEP-87020-900, Maringá, PR, Brazil, Department of Physics, FCEyN, University of Buenos Aires and CONICET, Buenos Aires, Argentina, and Department of Organic Chemistry, Chemistry Institute, P.O. Box 6154, University of Campinas, UNICAMP, CEP: 13084-971 Campinas, SP, Brazil
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Eggink M, Wijtmans M, Ekkebus R, Lingeman H, Esch IJPD, Kool J, Niessen WMA, Irth H. Development of a Selective ESI-MS Derivatization Reagent: Synthesis and Optimization for the Analysis of Aldehydes in Biological Mixtures. Anal Chem 2008; 80:9042-51. [DOI: 10.1021/ac801429w] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mark Eggink
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Maikel Wijtmans
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Reggy Ekkebus
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Henk Lingeman
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Iwan J. P. de Esch
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Jeroen Kool
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Wilfried M. A. Niessen
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Hubertus Irth
- Leiden/Amsterdam Center for Drug Research, Faculty of Sciences, Department of Chemistry, Section of Analytical Chemistry & Applied Spectroscopy, and Department of Pharmacochemistry, Section of Medicinal Chemistry, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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