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Al-Sulaimi S, Kushwah R, Abdullah Alsibani M, El Jery A, Aldrdery M, Ashraf GA. Emerging Developments in Separation Techniques and Analysis of Chiral Pharmaceuticals. Molecules 2023; 28:6175. [PMID: 37687004 PMCID: PMC10489017 DOI: 10.3390/molecules28176175] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/05/2023] [Accepted: 08/14/2023] [Indexed: 09/10/2023] Open
Abstract
Chiral separation, the process of isolating enantiomers from a racemic mixture, holds paramount importance in diverse scientific disciplines. Using chiral separation methods like chromatography and electrophoresis, enantiomers can be isolated and characterized. This study emphasizes the significance of chiral separation in drug development, quality control, environmental analysis, and chemical synthesis, facilitating improved therapeutic outcomes, regulatory compliance, and enhanced industrial processes. Capillary electrophoresis (CE) has emerged as a powerful technique for the analysis of chiral drugs. This review also highlights the significance of CE in chiral drug analysis, emphasizing its high separation efficiency, rapid analysis times, and compatibility with other detection techniques. High-performance liquid chromatography (HPLC) has become a vital technique for chiral drugs analysis. Through the utilization of a chiral stationary phase, HPLC separates enantiomers based on their differential interactions, allowing for the quantification of individual enantiomeric concentrations. This study also emphasizes the significance of HPLC in chiral drug analysis, highlighting its excellent resolution, sensitivity, and applicability. The resolution and enantiomeric analysis of nonsteroidal anti-inflammatory drugs (NSAIDs) hold great importance due to their chiral nature and potential variations in pharmacological effects. Several studies have emphasized the significance of resolving and analyzing the enantiomers of NSAIDs. Enantiomeric analysis provides critical insights into the pharmacokinetics, pharmacodynamics, and potential interactions of NSAIDs, aiding in drug design, optimization, and personalized medicine for improved therapeutic outcomes and patient safety. Microfluidics systems have revolutionized chiral separation, offering miniaturization, precise fluid control, and high throughput. Integration of microscale channels and techniques provides a promising platform for on-chip chiral analysis in pharmaceuticals and analytical chemistry. Their applications in techniques such as high-performance liquid chromatography (HPLC) and capillary electrochromatography (CEC) offer improved resolution and faster analysis times, making them valuable tools for enantiomeric analysis in pharmaceutical, environmental, and biomedical research.
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Affiliation(s)
- Sulaiman Al-Sulaimi
- Department of Biological Science and Chemistry, University of Nizwa, Nizwa 611, Oman; (S.A.-S.); (R.K.); (M.A.A.)
| | - Reveka Kushwah
- Department of Biological Science and Chemistry, University of Nizwa, Nizwa 611, Oman; (S.A.-S.); (R.K.); (M.A.A.)
| | - Mohammed Abdullah Alsibani
- Department of Biological Science and Chemistry, University of Nizwa, Nizwa 611, Oman; (S.A.-S.); (R.K.); (M.A.A.)
| | - Atef El Jery
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia
| | - Moutaz Aldrdery
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia
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2
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Szymaszek P, Tomal W, Świergosz T, Kamińska-Borek I, Popielarz R, Ortyl J. Review of quantitative and qualitative methods for monitoring photopolymerization reactions. Polym Chem 2023. [DOI: 10.1039/d2py01538b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
Abstract
Authomatic in-situ monitoring and characterization of photopolymerization.
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3
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Naghdi E, Moran GE, Reinau ME, De Malsche W, Neusüß C. Concepts and recent advances in microchip electrophoresis coupled to mass spectrometry: Technologies and applications. Electrophoresis 2023; 44:246-267. [PMID: 35977423 DOI: 10.1002/elps.202200179] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/11/2022] [Accepted: 08/13/2022] [Indexed: 02/01/2023]
Abstract
The online coupling of microchip electrophoresis (ME) as a fast, highly efficient, and low-cost miniaturized separation technique to mass spectrometry (MS) as an information-rich and sensitive characterization technique results in ME-MS an attractive tool for various applications. In this paper, we review the basic concepts and latest advances in technology for ME coupled to MS during the period of 2016-2021, covering microchip materials, structures, fabrication techniques, and interfacing to electrospray ionization (ESI)-MS and matrix-assisted laser desorption/ionization-MS. Two critical issues in coupling ME and ESI-MS include the electrical connection used to define the electrophoretic field strength along the separation channel and the generation of the electrospray for MS detection, as well as, a miniaturized ESI-tip. The recent commercialization of ME-MS in zone electrophoresis and isoelectric focusing modes has led to the widespread application of these techniques in academia and industry. Here we summarize recent applications of ME-MS for the separation and detection of antibodies, proteins, peptides, carbohydrates, metabolites, and so on. Throughout the paper these applications are discussed in the context of benefits and limitations of ME-MS in comparison to alternative techniques.
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Affiliation(s)
- Elahe Naghdi
- Department of Chemistry, Aalen University, Aalen, Germany
| | - Griffin E Moran
- Novo Nordisk A/S, Global Research Technologies, Maaloev, Denmark
| | | | - Wim De Malsche
- µFlow group, Department of Chemical Engineering, Vrije Universiteit Brussel, Brussels, Belgium
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4
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Non-aqueous electrophoresis integrated with electrospray ionization mass spectrometry on a thiol-ene polymer-based microchip device. Anal Bioanal Chem 2021; 413:4195-4205. [PMID: 33954829 DOI: 10.1007/s00216-021-03374-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 10/21/2022]
Abstract
Non-aqueous capillary electrophoresis (NACE) on microfluidic chips is still a comparatively little explored area, despite the inherent advantages of this technique and its application potential for, in particular, lipophilic compounds. A main reason is probably the fact that implementation of NACE on microchips largely precluded the use of polymeric substrate materials. Here, we report non-aqueous electrophoresis on a thiol-ene-based microfluidic chip coupled to mass spectrometry via an on-chip ESI interface. Microchips with an integrated ESI emitter were fabricated using a double-molding approach. The durability of thiol-ene, when exposed to different organic solvents, was investigated with respect to swelling and decomposition of the polymer. Thiol-ene exhibited good stability against organic solvents such as methanol, ethanol, N-methylformamide, and formamide, which allows for a wide range of background electrolyte compositions. The integrated ESI emitter provided a stable spray with RSD% of the ESI signal ≤8%. Separation efficiency of the developed microchip electrophoresis system in different non-aqueous buffer solutions was tested with a mixture of several drugs of abuse. Ethanol- and methanol-based buffers provided comparable high theoretical plate numbers (≈ 6.6 × 104-1.6 × 105 m-1) with ethanol exhibiting the best separation efficiency. Direct coupling of non-aqueous electrophoresis to mass spectrometry allowed for fast analysis of hydrophobic compounds in the range of 0.1-5 μg mL-1 and 0.2-10 μg mL-1 and very good sensitivities (LOD ≈ 0.06-0.28 μg mL-1; LOQ ≈ 0.20-0.90 μg mL-1). The novel combination of non-aqueous CE on a microfluidic thiol-ene device and ESI-MS provides a mass-producible and highly versatile system for the analysis of, in particular, lipophilic compounds in a wide range of organic solvents. This offers promising potential for future applications in forensic, clinical, and environmental analysis. Graphical abstract.
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Hartner NT, Raddatz CR, Thoben C, Piendl SK, Zimmermann S, Belder D. On-Line Coupling of Chip-Electrochromatography and Ion Mobility Spectrometry. Anal Chem 2020; 92:15129-15136. [PMID: 33143411 DOI: 10.1021/acs.analchem.0c03446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We report the first hyphenation of chip-electrochromatography (ChEC) with ion mobility spectrometry (IMS). This approach combines the separation power of two electrokinetically driven separation techniques, the first in liquid phase and the second in gas phase, with a label-free detection of the analytes. For achieving this, a microfluidic glass chip incorporating a monolithic separation column, a nanofluidic liquid junction for providing post-column electrical contact, and a monolithically integrated electrospray emitter was developed. This device was successfully coupled to a custom-built high-resolution drift tube IMS with shifted potentials. After proof-of-concept studies in which a mixture of five model compounds was analyzed in less than 80 s, this first ChEC-IMS system was applied to a more complex sample, the analysis of herbicides spiked in the wine matrix. The use of ChEC before IMS detection not only facilitated the peak allocation and increased the peak capacity but also enabled analyte quantification. As both, ChEC and IMS work at ambient conditions and are driven by high voltages, no bulky pumping systems are needed, neither for the hydrodynamic pumping of the mobile phase as in high-performance liquid chromatography nor for generating a vacuum system as in mass spectrometry. Accordingly, the approach has great potential as a portable analytical system for field analysis of complex mixtures.
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Affiliation(s)
- Nora T Hartner
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Christian-Robert Raddatz
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Christian Thoben
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Sebastian K Piendl
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Stefan Zimmermann
- Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Leibniz University Hannover, Appelstraße 9A, 30167 Hannover, Germany
| | - Detlev Belder
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
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6
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Aydoğan C, Rigano F, Krčmová LK, Chung DS, Macka M, Mondello L. Miniaturized LC in Molecular Omics. Anal Chem 2020; 92:11485-11497. [DOI: 10.1021/acs.analchem.0c01436] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Cemil Aydoğan
- Biochemistry Division, Department of Chemistry, Bingöl University, Bingöl 12000,Turkey
- Department of Food Engineering, Bingöl University, Bingöl 12000,Turkey
| | - Francesca Rigano
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
| | - Lenka Kujovská Krčmová
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, Hradec Králové 500 05, Czech Republic
- Department of Clinical Biochemistry and Diagnostics, University Hospital, Sokolská 581, Hradec Králové 500 05, Czech Republic
| | - Doo Soo Chung
- Department of Chemistry, Seoul National University, Seoul 08826, Korea
| | - Mirek Macka
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00 Brno, Czech Republic
- Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00Brno, Czech Republic
- School of Natural Sciences and Australian Centre for Research on Separation Science (ACROSS), University of Tasmania, Private Bag 75, Hobart 7001, Australia
| | - Luigi Mondello
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
- Chromaleont s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
- Department of Sciences and Technologies for Human and Environment, University Campus Bio-Medico of Rome, Rome I-00128, Italy
- BeSep s.r.l., c/o Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Messina I-98168, Italy
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7
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Zaquen N, Rubens M, Corrigan N, Xu J, Zetterlund PB, Boyer C, Junkers T. Polymer Synthesis in Continuous Flow Reactors. Prog Polym Sci 2020. [DOI: 10.1016/j.progpolymsci.2020.101256] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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8
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Kaplitz AS, Kresge GA, Selover B, Horvat L, Franklin EG, Godinho JM, Grinias KM, Foster SW, Davis JJ, Grinias JP. High-Throughput and Ultrafast Liquid Chromatography. Anal Chem 2019; 92:67-84. [DOI: 10.1021/acs.analchem.9b04713] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Alexander S. Kaplitz
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Glenn A. Kresge
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Benjamin Selover
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Leah Horvat
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | | | - Justin M. Godinho
- Advanced Materials Technology, Inc., Wilmington, Delaware 19810, United States
| | - Kaitlin M. Grinias
- Analytical Platforms & Platform Modernization, GlaxoSmithKline, Upper Providence, Collegeville, Pennsylvania 19426, United States
| | - Samuel W. Foster
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - Joshua J. Davis
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
| | - James P. Grinias
- Department of Chemistry & Biochemistry, Rowan University, Glassboro, New Jersey 08028, United States
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9
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Ai Y, Zhang F, Wang C, Xie R, Liang Q. Recent progress in lab-on-a-chip for pharmaceutical analysis and pharmacological/toxicological test. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.06.026] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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10
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Scotti G, Nilsson SM, Matilainen VP, Haapala M, Boije af Gennäs G, Yli-Kauhaluoma J, Salminen A, Kotiaho T. Simple 3D printed stainless steel microreactors for online mass spectrometric analysis. Heliyon 2019; 5:e02002. [PMID: 31312730 PMCID: PMC6609794 DOI: 10.1016/j.heliyon.2019.e02002] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 04/10/2019] [Accepted: 06/20/2019] [Indexed: 12/03/2022] Open
Abstract
A simple flow chemistry microreactor with an electrospray ionization tip for real time mass spectrometric reaction monitoring is introduced. The microreactor was fabricated by a laser-based additive manufacturing technique from acid-resistant stainless steel 316L. The functionality of the microreactor was investigated by using an inverse electron demand Diels-Alder and subsequent retro Diels-Alder reaction for testing. Challenges and problems encountered are discussed and improvements proposed. Adsorption of reagents to the rough stainless steel channel walls, short length of the reaction channel, and making a proper ESI tip present challenges, but the microreactor is potentially useful as a disposable device.
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Affiliation(s)
- Gianmario Scotti
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
| | - Sofia M.E. Nilsson
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
| | - Ville-Pekka Matilainen
- Laser Processing Research Group, Lappeenranta University of Technology, Tuotantokatu 2, FI-53850, Lappeenranta, Finland
| | - Markus Haapala
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
| | - Gustav Boije af Gennäs
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
| | - Jari Yli-Kauhaluoma
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
| | - Antti Salminen
- Laser Processing Research Group, Lappeenranta University of Technology, Tuotantokatu 2, FI-53850, Lappeenranta, Finland
| | - Tapio Kotiaho
- Drug Research Program, Division of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, P.O. Box 56 (Viikinkaari 5 E), FI-00014, University of Helsinki, Finland
- Department of Chemistry, Faculty of Science, P.O. Box 55 (A.I. Virtasen aukio 1), FI-00014, University of Helsinki, Finland
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Piendl SK, Raddatz CR, Hartner NT, Thoben C, Warias R, Zimmermann S, Belder D. 2D in Seconds: Coupling of Chip-HPLC with Ion Mobility Spectrometry. Anal Chem 2019; 91:7613-7620. [DOI: 10.1021/acs.analchem.9b00302] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Sebastian K. Piendl
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Christian-Robert Raddatz
- Leibniz University Hannover, Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Appelstrasse 9A, 30167 Hannover, Germany
| | - Nora T. Hartner
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Christian Thoben
- Leibniz University Hannover, Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Appelstrasse 9A, 30167 Hannover, Germany
| | - Rico Warias
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Stefan Zimmermann
- Leibniz University Hannover, Institute of Electrical Engineering and Measurement Technology, Department of Sensors and Measurement Technology, Appelstrasse 9A, 30167 Hannover, Germany
| | - Detlev Belder
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
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12
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Heiland JJ, Geissler D, Piendl SK, Warias R, Belder D. Supercritical-Fluid Chromatography On-Chip with Two-Photon-Excited-Fluorescence Detection for High-Speed Chiral Separations. Anal Chem 2019; 91:6134-6140. [DOI: 10.1021/acs.analchem.9b00726] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Josef J. Heiland
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - David Geissler
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Sebastian K. Piendl
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Rico Warias
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
| | - Detlev Belder
- Institute of Analytical Chemistry, Leipzig University, Linnéstraße 3, 04103 Leipzig, Germany
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13
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Savoji H, Mohammadi MH, Rafatian N, Toroghi MK, Wang EY, Zhao Y, Korolj A, Ahadian S, Radisic M. Cardiovascular disease models: A game changing paradigm in drug discovery and screening. Biomaterials 2019; 198:3-26. [PMID: 30343824 PMCID: PMC6397087 DOI: 10.1016/j.biomaterials.2018.09.036] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 09/11/2018] [Accepted: 09/22/2018] [Indexed: 02/06/2023]
Abstract
Cardiovascular disease is the leading cause of death worldwide. Although investment in drug discovery and development has been sky-rocketing, the number of approved drugs has been declining. Cardiovascular toxicity due to therapeutic drug use claims the highest incidence and severity of adverse drug reactions in late-stage clinical development. Therefore, to address this issue, new, additional, replacement and combinatorial approaches are needed to fill the gap in effective drug discovery and screening. The motivation for developing accurate, predictive models is twofold: first, to study and discover new treatments for cardiac pathologies which are leading in worldwide morbidity and mortality rates; and second, to screen for adverse drug reactions on the heart, a primary risk in drug development. In addition to in vivo animal models, in vitro and in silico models have been recently proposed to mimic the physiological conditions of heart and vasculature. Here, we describe current in vitro, in vivo, and in silico platforms for modelling healthy and pathological cardiac tissues and their advantages and disadvantages for drug screening and discovery applications. We review the pathophysiology and the underlying pathways of different cardiac diseases, as well as the new tools being developed to facilitate their study. We finally suggest a roadmap for employing these non-animal platforms in assessing drug cardiotoxicity and safety.
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Affiliation(s)
- Houman Savoji
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada; Toronto General Research Institute, University Health Network, University of Toronto, 200 Elizabeth St, Toronto, Ontario, M5G 2C4, Canada
| | - Mohammad Hossein Mohammadi
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, Ontario, M5S 3E5, Canada; Toronto General Research Institute, University Health Network, University of Toronto, 200 Elizabeth St, Toronto, Ontario, M5G 2C4, Canada
| | - Naimeh Rafatian
- Toronto General Research Institute, University Health Network, University of Toronto, 200 Elizabeth St, Toronto, Ontario, M5G 2C4, Canada
| | - Masood Khaksar Toroghi
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, Ontario, M5S 3E5, Canada
| | - Erika Yan Wang
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada
| | - Yimu Zhao
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, Ontario, M5S 3E5, Canada
| | - Anastasia Korolj
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, Ontario, M5S 3E5, Canada
| | - Samad Ahadian
- Toronto General Research Institute, University Health Network, University of Toronto, 200 Elizabeth St, Toronto, Ontario, M5G 2C4, Canada
| | - Milica Radisic
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, 170 College St, Toronto, Ontario, M5S 3G9, Canada; Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College St, Toronto, Ontario, M5S 3E5, Canada; Toronto General Research Institute, University Health Network, University of Toronto, 200 Elizabeth St, Toronto, Ontario, M5G 2C4, Canada.
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14
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Pahl M, Mayer M, Schneider M, Belder D, Asmis KR. Joining Microfluidics with Infrared Photodissociation: Online Monitoring of Isomeric Flow-Reaction Intermediates. Anal Chem 2019; 91:3199-3203. [DOI: 10.1021/acs.analchem.8b05532] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Maik Pahl
- Institut für Analytische Chemie, University Leipzig, Linnéstraße 3, 04103 Leipzig, Germany
| | - Martin Mayer
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, 04103 Leipzig, Germany
| | - Maximilian Schneider
- Institut für Analytische Chemie, University Leipzig, Linnéstraße 3, 04103 Leipzig, Germany
| | - Detlev Belder
- Institut für Analytische Chemie, University Leipzig, Linnéstraße 3, 04103 Leipzig, Germany
| | - Knut R. Asmis
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, 04103 Leipzig, Germany
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15
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Warias R, Zaghi A, Heiland JJ, Piendl SK, Gilmore K, Seeberger PH, Massi A, Belder D. An Integrated Lab‐on‐a‐chip Approach to Study Heterogeneous Enantioselective Catalysts at the Microscale. ChemCatChem 2018. [DOI: 10.1002/cctc.201801637] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Rico Warias
- Institute of Analytical ChemistryLeipzig University Linnéstraße 03 Leipzig D-04103 Germany
| | - Anna Zaghi
- Department of Chemistry and Pharmaceutical SciencesUniversity of Ferrara Luigi Borsari 46 Ferrara I-441213 Italy
| | - Josef J. Heiland
- Institute of Analytical ChemistryLeipzig University Linnéstraße 03 Leipzig D-04103 Germany
| | - Sebastian K. Piendl
- Institute of Analytical ChemistryLeipzig University Linnéstraße 03 Leipzig D-04103 Germany
| | - Kerry Gilmore
- Biomolecular Systems DepartmentMax-Planck-Institute for Colloids and Interfaces Am Mühlenberg 1 Postdam D-014476 Germany
| | - Peter H. Seeberger
- Biomolecular Systems DepartmentMax-Planck-Institute for Colloids and Interfaces Am Mühlenberg 1 Postdam D-014476 Germany
- Freie Universität Berlin Institute of Chemistry and Biochemistry Arnimallee 22 Berlin 14195 Germany
| | - Alessandro Massi
- Department of Chemistry and Pharmaceutical SciencesUniversity of Ferrara Luigi Borsari 46 Ferrara I-441213 Italy
| | - Detlev Belder
- Institute of Analytical ChemistryLeipzig University Linnéstraße 03 Leipzig D-04103 Germany
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16
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Sheathless coupling of microchip electrophoresis to ESI-MS utilising an integrated photo polymerised membrane for electric contacting. Anal Bioanal Chem 2018; 410:5741-5750. [PMID: 29974150 DOI: 10.1007/s00216-018-1226-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Revised: 06/12/2018] [Accepted: 06/22/2018] [Indexed: 10/28/2022]
Abstract
In this article, we present a novel approach for the sheathless coupling of microchip electrophoresis (MCE) with electrospray mass spectrometry (ESI-MS). The key element is an ion-conductive hydrogel membrane, placed between the separation channel and an adjacent microfluidic supporting channel, contacted via platinum electrodes. This solves the persistent challenge in hyphenation of mass spectrometry to chip electrophoresis, to ensure a reliable electrical connection at the end of the electrophoresis channel without sacrificing separation performance and sensitivity. Stable electric contacting is achieved via a Y-shaped supporting channel structure, separated from the main channel by a photo polymerised, ion permeable hydrogel membrane. Thus, the potential gradient required for performing electrophoretic separations can be generated while simultaneously preventing gas formation due to electrolysis. In contrast to conventional make-up or sheathflow approaches, sample dilution is also avoided. Rapid prototyping allowed the study of different chip-based approaches, i.e. sheathless, open sheathflow and electrode support channel designs, for coupling MCE to ESI-MS. The performance was evaluated with fluorescence microscopy and mass spectrometric detection. The obtained results revealed that the detection sensitivity obtained in such Y-channel chips with integrated hydrogel membranes was superior because sample dilution or loss was prevented. Furthermore, band broadening is reduced compared to similar open structures without a membrane.
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Chung S, Tian J, Tan Z, Chen J, Lee J, Borys M, Li ZJ. Industrial bioprocessing perspectives on managing therapeutic protein charge variant profiles. Biotechnol Bioeng 2018. [DOI: 10.1002/bit.26587] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Stanley Chung
- Department of Chemical Engineering; Northeastern University; Boston Massachusetts
| | - Jun Tian
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
| | - Zhijun Tan
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
| | - Jie Chen
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
| | - Jongchan Lee
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
| | - Michael Borys
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
| | - Zheng Jian Li
- Biologics Development, Global Product Development and Supply; Bristol-Myers Squibb Company; Devens Massachusetts
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18
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Schotten C, Leist LGT, Semrau AL, Browne DL. A machine-assisted approach for the preparation of follow-on pharmaceutical compound libraries. REACT CHEM ENG 2018. [DOI: 10.1039/c8re00010g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Coupling of a continuous flow process to a robotic microwave device has led to a simple platform for the preparation of compound libraries, specifically the anti-migraine compound Zolmitriptan and several unknown analogues.
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Affiliation(s)
| | | | - A. Lisa Semrau
- School of Chemistry
- Cardiff University Main Building
- Cardiff
- UK
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19
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Affiliation(s)
- Xilong Yuan
- Department of Chemistry, Queen's University , Kingston, Ontario K7L 3N6, Canada
| | - Richard D Oleschuk
- Department of Chemistry, Queen's University , Kingston, Ontario K7L 3N6, Canada
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20
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Affiliation(s)
- Joris J. Haven
- Polymer Reaction Design Group; Institute for Materials Research (imo-imomec); Hasselt University; Campus Diepenbeek Building D 3590 Diepenbeek Belgium
| | - Tanja Junkers
- Polymer Reaction Design Group; Institute for Materials Research (imo-imomec); Hasselt University; Campus Diepenbeek Building D 3590 Diepenbeek Belgium
- IMEC division IMOMEC; Wetenschapspark 1 3590 Diepenbeek Belgium
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21
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Scotti G, Nilsson SME, Haapala M, Pöhö P, Boije af Gennäs G, Yli-Kauhaluoma J, Kotiaho T. A miniaturised 3D printed polypropylene reactor for online reaction analysis by mass spectrometry. REACT CHEM ENG 2017. [DOI: 10.1039/c7re00015d] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The first miniaturised 3D printed polypropylene reactor with an integrated nanoelectrospray ionisation capillary and a stir bar for mass spectrometric online reaction monitoring.
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Affiliation(s)
- Gianmario Scotti
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Sofia M. E. Nilsson
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Markus Haapala
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Päivi Pöhö
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Gustav Boije af Gennäs
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Jari Yli-Kauhaluoma
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
| | - Tapio Kotiaho
- Division of Pharmaceutical Chemistry and Technology
- Faculty of Pharmacy
- University of Helsinki
- Finland
- Department of Chemistry
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