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Breadmore MC, Grochocki W, Kalsoom U, Alves MN, Phung SC, Rokh MT, Cabot JM, Ghiasvand A, Li F, Shallan AI, Keyon ASA, Alhusban AA, See HH, Wuethrich A, Dawod M, Quirino JP. Recent advances in enhancing the sensitivity of electrophoresis and electrochromatography in capillaries and microchips (2016-2018). Electrophoresis 2018; 40:17-39. [PMID: 30362581 DOI: 10.1002/elps.201800384] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 12/22/2022]
Abstract
One of the most cited limitations of capillary and microchip electrophoresis is the poor sensitivity. This review continues to update this series of biannual reviews, first published in Electrophoresis in 2007, on developments in the field of online/in-line concentration methods in capillaries and microchips, covering the period July 2016-June 2018. 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 in-line extraction methods that have been used for electrophoresis.
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Affiliation(s)
- Michael C Breadmore
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Wojciech Grochocki
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,Department of Biopharmaceutics and Pharmacodynamics, Medical University of Gdansk, Gdansk, Poland
| | - Umme Kalsoom
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,ARC Centre of Excellence for Electromaterials Science (ACES), School of Natural Sciences, College of Science and Technology, University of Tasmania, Hobart, Australia
| | - Mónica N Alves
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Sui Ching Phung
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | | | - Joan M Cabot
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,ARC Centre of Excellence for Electromaterials Science (ACES), School of Natural Sciences, College of Science and Technology, University of Tasmania, Hobart, Australia
| | - Alireza Ghiasvand
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,Department of Chemistry, Lorestan University, Khoramabad, Iran
| | - Feng Li
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Aliaa I Shallan
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, Australia.,Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Aemi S Abdul Keyon
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia.,Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Ala A Alhusban
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Hong Heng See
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia.,Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Alain Wuethrich
- Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, Australia
| | - Mohamed Dawod
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
| | - Joselito P Quirino
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
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Šlampová A, Malá Z, Gebauer P. Recent progress of sample stacking in capillary electrophoresis (2016-2018). Electrophoresis 2018; 40:40-54. [PMID: 30073675 DOI: 10.1002/elps.201800261] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 07/31/2018] [Accepted: 07/31/2018] [Indexed: 01/03/2023]
Abstract
Electrophoretic sample stacking comprises a group of capillary electrophoretic techniques where trace analytes from the sample are concentrated into a short zone (stack). This paper is a continuation of our previous reviews on the topic and brings a survey of more than 120 papers published approximately since the second quarter of 2016 till the first quarter of 2018. It is organized according to the particular stacking principles and includes chapters on concentration adjustment (Kohlrausch) stacking, on stacking techniques based on pH changes, on stacking in electrokinetic chromatography and on other stacking techniques. Where available, explicit information is given about the procedure, electrolyte(s) used, detector employed and sensitivity reached. Not reviewed are papers on transient isotachophoresis which are covered by another review in this issue.
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Affiliation(s)
- Andrea Šlampová
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Brno, Czech Republic
| | - Zdena Malá
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Brno, Czech Republic
| | - Petr Gebauer
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Brno, Czech Republic
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Tubaon RM, Haddad PR, Quirino JP. Electrokinetic Removal of Dodecyl Sulfate Micelles from Digested Protein Samples Prior to Electrospray-Ionization Mass Spectrometry. Anal Chem 2017; 89:13058-13063. [DOI: 10.1021/acs.analchem.7b03009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Ria Marni Tubaon
- Australian Centre for Research
on Separation Science, School of Physical Sciences- Chemistry, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Paul R. Haddad
- Australian Centre for Research
on Separation Science, School of Physical Sciences- Chemistry, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Joselito P. Quirino
- Australian Centre for Research
on Separation Science, School of Physical Sciences- Chemistry, University of Tasmania, Hobart, Tasmania 7001, Australia
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