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Wang S, Xie T, Dong X, Hu J, Men L, Cao J. Determination of Iodine Species in Seafood by Ionic Liquid–Based In-line Solid-Phase Extraction-Capillary Electrophoresis. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01553-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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2
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A critical retrospective and prospective review of designs and materials in in-line solid-phase extraction capillary electrophoresis. Anal Chim Acta 2019; 1079:1-19. [PMID: 31387699 DOI: 10.1016/j.aca.2019.05.022] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 05/08/2019] [Accepted: 05/10/2019] [Indexed: 11/20/2022]
Abstract
Several strategies have been developed to decrease the concentration limits of detection (LODs) in capillary electrophoresis (CE). Nowadays, chromatographic-based preconcentration using a microcartridge integrated in the separation capillary for in-line solid-phase extraction capillary electrophoresis (SPE-CE) is one of the best alternatives for high throughput and reproducible sample clean-up and analyte preconcentration. This review covers different designs (geometrical configurations, with frits or fritless, capillary types, compatibility with commercial instrumentation, etc.) and materials (sorbents, supports, affinity ligands, etc.) applied for almost 30 years to prepare in-line SPE-CE microcartridges (i.e. analyte concentrators), with emphasis on the conventional unidirectional configuration in capillary format. Advantages, disadvantages and future perspectives are analyzed in detail to provide the reader a wide overview about the great potential of this technique to enhance sensitivity and address trace analysis.
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3
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Wong A, Santos AM, Fatibello-Filho O. Determination of piroxicam and nimesulide using an electrochemical sensor based on reduced graphene oxide and PEDOT:PSS. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.06.055] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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4
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Hamdan II. Capillary electrophoresis in the analysis of pharmaceuticals in environmental water: A critical review. J LIQ CHROMATOGR R T 2017. [DOI: 10.1080/10826076.2017.1293550] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Imad I. Hamdan
- Faculty of Pharmacy, University of Jordan, Amman, Jordan
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Orlandini S, Pasquini B, Caprini C, Del Bubba M, Squarcialupi L, Colotta V, Furlanetto S. A comprehensive strategy in the development of a cyclodextrin-modified microemulsion electrokinetic chromatographic method for the assay of diclofenac and its impurities: Mixture-process variable experiments and quality by design. J Chromatogr A 2016; 1466:189-98. [PMID: 27623066 DOI: 10.1016/j.chroma.2016.09.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Revised: 09/05/2016] [Accepted: 09/05/2016] [Indexed: 02/06/2023]
Abstract
A comprehensive strategy involving the use of mixture-process variable (MPV) approach and Quality by Design principles has been applied in the development of a capillary electrophoresis method for the simultaneous determination of the anti-inflammatory drug diclofenac and its five related substances. The selected operative mode consisted in microemulsion electrokinetic chromatography with the addition of methyl-β-cyclodextrin. The critical process parameters included both the mixture components (MCs) of the microemulsion and the process variables (PVs). The MPV approach allowed the simultaneous investigation of the effects of MCs and PVs on the critical resolution between diclofenac and its 2-deschloro-2-bromo analogue and on analysis time. MPV experiments were used both in the screening phase and in the Response Surface Methodology, making it possible to draw MCs and PVs contour plots and to find important interactions between MCs and PVs. Robustness testing was carried out by MPV experiments and validation was performed following International Conference on Harmonisation guidelines. The method was applied to a real sample of diclofenac gastro-resistant tablets.
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Affiliation(s)
- S Orlandini
- Department of Chemistry "U. Schiff", University of Florence, Via U. Schiff 6, 50019, Sesto Fiorentino, Florence, Italy.
| | - B Pasquini
- Department of Chemistry "U. Schiff", University of Florence, Via U. Schiff 6, 50019, Sesto Fiorentino, Florence, Italy
| | - C Caprini
- Department of Chemistry "U. Schiff", University of Florence, Via U. Schiff 6, 50019, Sesto Fiorentino, Florence, Italy
| | - M Del Bubba
- Department of Chemistry "U. Schiff", University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino, Florence, Italy
| | - L Squarcialupi
- Department of Neuroscience, Psychology, Drug Research and Child Health, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - V Colotta
- Department of Neuroscience, Psychology, Drug Research and Child Health, Section of Pharmaceutical and Nutraceutical Sciences, University of Florence, Via U. Schiff 6, 50019 Sesto Fiorentino, Florence, Italy
| | - S Furlanetto
- Department of Chemistry "U. Schiff", University of Florence, Via U. Schiff 6, 50019, Sesto Fiorentino, Florence, Italy.
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Capillary isotachophoresis with ESI-MS detection: Methodology for highly sensitive analysis of ibuprofen and diclofenac in waters. Anal Chim Acta 2016; 907:1-6. [DOI: 10.1016/j.aca.2015.11.040] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Revised: 11/26/2015] [Accepted: 11/27/2015] [Indexed: 11/17/2022]
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7
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Ramautar R, Somsen GW, de Jong GJ. Developments in coupled solid-phase extraction-capillary electrophoresis 2013-2015. Electrophoresis 2015; 37:35-44. [DOI: 10.1002/elps.201500401] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 10/05/2015] [Accepted: 10/05/2015] [Indexed: 11/08/2022]
Affiliation(s)
- Rawi Ramautar
- Leiden Academic Center for Drug Research; Leiden University; Leiden The Netherlands
| | - Govert W. Somsen
- AIMMS Division of BioAnalytical Chemistry; VU University Amsterdam; Amsterdam The Netherlands
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Medina-Casanellas S, Tak YH, Benavente F, Sanz-Nebot V, Sastre Toraño J, Somsen GW, de Jong GJ. Evaluation of fritless solid-phase extraction coupled on-line with capillary electrophoresis-mass spectrometry for the analysis of opioid peptides in cerebrospinal fluid. Electrophoresis 2015; 35:2996-3002. [PMID: 25074562 DOI: 10.1002/elps.201400293] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2014] [Revised: 07/18/2014] [Accepted: 07/19/2014] [Indexed: 11/07/2022]
Abstract
Fritless SPE on-line coupled to CE with UV and MS detection (SPE-CE-UV and SPE-CE-MS) was evaluated for the analysis of opioid peptides. A microcartridge of 150 μm id was packed with a C18 sorbent (particle size > 50 μm), which was retained between a short inlet capillary and a separation capillary (50 μm id). Several experimental parameters were optimized by SPE-CE-UV using solutions of dynorphin A (DynA), endomorphin 1 (End1), and methionine-enkephaline (Met). A microcartridge length of 4 mm was selected, sample was loaded for 10 min at 930 mbar and the retained peptides were eluted with 67 nL of an acidic hydro-organic solution. Using SPE-CE-MS, peak area and migration time repeatabilities for the three opioid peptides were 12-27% and 4-5%, respectively. SPE recovery was lower for the less hydrophobic DynA (22%) than for End1 (66%) and Met (78%) and linearity was satisfactory in all cases between 5 and 60 ng/mL. The LODs varied between 0.5 and 1.0 ng/mL which represent an enhancement of two orders of magnitude when compared with CE-MS. Cerebrospinal fluid (CSF) samples spiked with the opioid peptides were analyzed to demonstrate the applicability to biological samples. Peak area and migration time repeatabilities were similar to the standard solutions and the opioid peptides could be detected down to 1.0 ng/mL.
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Determination of cocaine in abuser hairs by CE: monitoring compliance to a detoxification program. Bioanalysis 2015; 7:437-47. [DOI: 10.4155/bio.14.291] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Background: Segmental hair analysis was performed to verify the cocaine withdrawal and compliance to the therapy of four cocaine abusers that were following a drug detoxification program. Results/methodology: Cocaine and its major metabolite, benzoylecgonine, were preconcentrated and determined by in-line SPE and CE with prior isolation of the analytes from the hair matrix by an overnight acidic incubation procedure. The LODs obtained for hair samples were 0.02 ng/mg for cocaine and 0.1 ng/mg for benzoylecgonine. Conclusion: Our results showed that the established method, in conjunction with a segmental hair analysis, is suitable for determining drug abuse histories, being very useful in forensic toxicological laboratories as well as in rehabilitation and addiction treatment programs.
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Moreno-González D, Lara FJ, Gámiz-Gracia L, García-Campaña AM. Molecularly imprinted polymer as in-line concentrator in capillary electrophoresis coupled with mass spectrometry for the determination of quinolones in bovine milk samples. J Chromatogr A 2014; 1360:1-8. [DOI: 10.1016/j.chroma.2014.07.049] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2014] [Revised: 07/15/2014] [Accepted: 07/17/2014] [Indexed: 12/31/2022]
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BOTELLO I, BORRULL F, AGUILAR C, CALULL M. In-line Solid-phase Extraction–Capillary Zone Electrophoresis for the Determination of Barbiturate Drugs in Human Urine. ANAL SCI 2014; 30:971-7. [DOI: 10.2116/analsci.30.971] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Igor BOTELLO
- Departament de Química Analítica i Química Orgànica, Faculty of Chemistry, Universitat Rovira i Virgili
| | - Francesc BORRULL
- Departament de Química Analítica i Química Orgànica, Faculty of Chemistry, Universitat Rovira i Virgili
| | - Carme AGUILAR
- Departament de Química Analítica i Química Orgànica, Faculty of Chemistry, Universitat Rovira i Virgili
| | - Marta CALULL
- Departament de Química Analítica i Química Orgànica, Faculty of Chemistry, Universitat Rovira i Virgili
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Jooß K, Sommer J, Bunz SC, Neusüß C. In-line SPE-CE using a fritless bead string design-Application for the analysis of organic sulfonates including inline SPE-CE-MS for APTS-labeled glycans. Electrophoresis 2013; 35:1236-43. [DOI: 10.1002/elps.201300388] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Revised: 10/07/2013] [Accepted: 10/08/2013] [Indexed: 11/09/2022]
Affiliation(s)
- Kevin Jooß
- Faculty of Chemistry; Aalen University; Aalen Germany
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Ramautar R, Somsen GW, de Jong GJ. Developments in coupled solid-phase extraction-capillary electrophoresis 2011-2013. Electrophoresis 2013; 35:128-37. [DOI: 10.1002/elps.201300335] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2013] [Revised: 09/16/2013] [Accepted: 09/16/2013] [Indexed: 11/08/2022]
Affiliation(s)
- Rawi Ramautar
- Leiden Academic Center for Drug Research; Leiden University; Leiden the Netherlands
| | - Govert W. Somsen
- AIMMS Division of BioAnalytical Chemistry; VU University; Amsterdam the Netherlands
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Malá Z, Gebauer P, Boček P. Electrolyte system strategies for anionic isotachophoresis with electrospray-ionization mass-spectrometric detection. 1. Regular isotachophoresis and free-acid isotachophoresis. Electrophoresis 2013; 34:3072-8. [DOI: 10.1002/elps.201300292] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2013] [Revised: 07/17/2013] [Accepted: 07/17/2013] [Indexed: 01/12/2023]
Affiliation(s)
- Zdena Malá
- Institute of Analytical Chemistry; Academy of Sciences of the Czech Republic; Brno; Czech Republic
| | - Petr Gebauer
- Institute of Analytical Chemistry; Academy of Sciences of the Czech Republic; Brno; Czech Republic
| | - Petr Boček
- Institute of Analytical Chemistry; Academy of Sciences of the Czech Republic; Brno; Czech Republic
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Breadmore MC, Shallan AI, Rabanes HR, Gstoettenmayr D, Abdul Keyon AS, Gaspar A, Dawod M, Quirino JP. Recent advances in enhancing the sensitivity of electrophoresis and electrochromatography in capillaries and microchips (2010-2012). Electrophoresis 2013; 34:29-54. [PMID: 23161056 DOI: 10.1002/elps.201200396] [Citation(s) in RCA: 124] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2012] [Revised: 09/03/2012] [Accepted: 09/04/2012] [Indexed: 12/21/2022]
Abstract
CE has been alive for over two decades now, yet its sensitivity is still regarded as being inferior to that of more traditional methods of separation such as HPLC. As such, it is unsurprising that overcoming this issue still generates much scientific interest. This review continues to update this series of reviews, first published in Electrophoresis in 2007, with updates published in 2009 and 2011 and covers material published through to June 2012. It includes developments in the field of stacking, covering all methods from field amplified sample stacking and large volume sample stacking, through to isotachophoresis, dynamic pH junction and sweeping. Attention is also given to online or inline extraction methods that have been used for electrophoresis.
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Affiliation(s)
- Michael C Breadmore
- Australian Centre for Research on Separation Science, School of Chemistry, University of Tasmania, Hobart, Tasmania, Australia.
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Maijó I, Fontanals N, Borrull F, Neusüß C, Calull M, Aguilar C. Determination of UV filters in river water samples by in-line SPE-CE-MS. Electrophoresis 2013; 34:374-82. [DOI: 10.1002/elps.201200267] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 09/28/2012] [Accepted: 09/30/2012] [Indexed: 01/12/2023]
Affiliation(s)
- Irene Maijó
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Núria Fontanals
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | | | - Marta Calull
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Carme Aguilar
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
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17
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Maijó I, Borrull F, Aguilar C, Calull M. Different strategies for the preconcentration and separation of parabens by capillary electrophoresis. Electrophoresis 2013; 34:363-73. [DOI: 10.1002/elps.201200147] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Revised: 09/14/2012] [Accepted: 09/15/2012] [Indexed: 11/11/2022]
Affiliation(s)
- Irene Maijó
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Carme Aguilar
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
| | - Marta Calull
- Department of Analytical Chemistry and Organic Chemistry; Faculty of Chemistry; Rovira i Virgili University; Tarragona; Spain
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Tak YH, Toraño JS, Somsen GW, de Jong GJ. Optimization of in-line fritless solid-phase extraction for capillary electrophoresis–mass spectrometry. J Chromatogr A 2012; 1267:138-43. [DOI: 10.1016/j.chroma.2012.08.067] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2012] [Revised: 08/17/2012] [Accepted: 08/21/2012] [Indexed: 10/27/2022]
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19
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Ramautar R, de Jong GJ, Somsen GW. Developments in coupled solid-phase extraction-capillary electrophoresis 2009-2011. Electrophoresis 2011; 33:243-50. [DOI: 10.1002/elps.201100453] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 09/15/2011] [Accepted: 09/16/2011] [Indexed: 02/06/2023]
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