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Zhang T, Yu Y, Han S, Cong H, Kang C, Shen Y, Yu B. Preparation and application of UPLC silica microsphere stationary phase:A review. Adv Colloid Interface Sci 2024; 323:103070. [PMID: 38128378 DOI: 10.1016/j.cis.2023.103070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/07/2023] [Accepted: 12/10/2023] [Indexed: 12/23/2023]
Abstract
In this review, microspheres for ultra-performance liquid chromatography (UPLC) were reviewed in accordance with the literature in recent years. As people's demands for chromatography are becoming more and more sophisticated, the preparation and application of UPLC stationary phases have become the focus of researchers in this field. This new analytical separation science not only maintains the practicality and principle of high-performance liquid chromatography (HPLC), but also improves the step function of chromatographic performance. The review presents the morphology of four types of sub-2 μm silica microspheres that have been used in UPLC, including non-porous silica microspheres (NPSMs), mesoporous silica microspheres (MPSMs), hollow silica microspheres (HSMs) and core-shell silica microspheres (CSSMs). The preparation, pore control and modification methods of different microspheres are introduced in the review, and then the applications of UPLC in drug analysis and separation, environmental monitoring, and separation of macromolecular proteins was presented. Finally, a brief overview of the existing challenges in the preparation of sub-2 μm microspheres, which required further research and development, was given.
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Affiliation(s)
- Tingyu Zhang
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China
| | - Yaru Yu
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China
| | - Shuiquan Han
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Hailin Cong
- School of Materials Science and Engineering, Shandong University of Technology, Zibo 255000, China; Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
| | - Chuankui Kang
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China
| | - Youqing Shen
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China; Center for Bionanoengineering and Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Bing Yu
- Institute of Biomedical Materials and Engineering, College of Chemistry and Chemical Engineering, College of Materials Science and Engineering, Qingdao University, Qingdao 266071, China; State Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, Qingdao 266071, China.
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Zhao Z, Zhao J, Liang N, Zhao L. Deep eutectic solvent-based magnetic colloidal gel assisted magnetic solid-phase extraction: A simple and rapid method for the determination of sex hormones in cosmetic skin care toners. CHEMOSPHERE 2020; 255:127004. [PMID: 32417516 DOI: 10.1016/j.chemosphere.2020.127004] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Revised: 04/21/2020] [Accepted: 05/05/2020] [Indexed: 06/11/2023]
Abstract
A simple rapid and efficient deep eutectic solvent-based magnetic colloidal gel (DES-MCG) assisted magnetic solid-phase extraction (MSPE) method followed by high performance liquid chromatography with a diode array detector (HPLC-DAD) was established for determination of four sex hormones (including ethinylestradiol, norgestrel, megestrol acetate and medroxyprogesterone acetate) in cosmetic skin care toners. The DES-MCG with the desirable advantages of high adsorbing ability was prepared by combining choline chloride/urea deep eutectic solvent and magnetic multiwalled carbon nanotubes (MMWCNTs). The synthesized DES-MCG was characterized using fourier transform infrared spectrometry (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and vibrating sample magnetometry (VSM). The cosmetic skin care toners were concentrated by a rotary evaporator and the obtained solutions were further purified by DES-MCG assisted magnetic solid-phase extraction. Response surface methodology (RSM) was applied for efficient optimization of the main variables in the extraction procedure. Under the optimized conditions, method detection limits and method quantitation limits were in the range of 1.2-6.6 ng mL-1 and 4.4-26.6 ng mL-1, respectively. The recoveries of the four sex hormones in different cosmetic skin care toners ranged from 80.1% to 118.8% and the precisions were no more than 0.35%. The developed method was successfully applied for the determination of sex hormones in cosmetic skin care toners.
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Affiliation(s)
- Zexin Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, 110016, PR China
| | - Jing Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, 110016, PR China
| | - Ning Liang
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, 110016, PR China.
| | - Longshan Zhao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning Province, 110016, PR China.
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Chai SS, Qin ML, Ma YN, Gao HH, He Q, Zhang HT. Analysis of bronopol (2-bromo-2-nitropropan-1, 3-diol) residues in rice (Oryza sativa L.) by SPE using Bond Elut Plexa and liquid chromatography-tandem mass spectrometry. Anal Bioanal Chem 2017; 410:399-405. [DOI: 10.1007/s00216-017-0730-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 10/06/2017] [Accepted: 10/26/2017] [Indexed: 11/24/2022]
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Li S, Klencsár B, Balcaen L, Cuyckens F, Lynen F, Vanhaecke F. Quantitative Metabolite Profiling of an Amino Group Containing Pharmaceutical in Human Plasma via Precolumn Derivatization and High-Performance Liquid Chromatography-Inductively Coupled Plasma Mass Spectrometry. Anal Chem 2017; 89:1907-1915. [PMID: 28050907 DOI: 10.1021/acs.analchem.6b04388] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Quantitative determination of the candidate drug molecule and its metabolites in biofluids and tissues is an inevitable step in the development of new pharmaceuticals. Because of the time-consuming and expensive nature of the current standard technique for quantitative metabolite profiling, i.e., radiolabeling followed by high-performance liquid chromatography (HPLC) with radiodetection, the development of alternative methodologies is of great interest. In this work, a simple, fast, sensitive, and accurate method for the quantitative metabolite profiling of an amino group containing drug (levothyroxine) and its metabolites in human plasma, based on precolumn derivatization followed by HPLC-inductively coupled plasma mass spectrometry (ICPMS), was developed and validated. To introduce a suitable "heteroelement" (defined here as an element that is detectable with ICPMS), an inexpensive and commercially available reagent, tetrabromophthalic anhydride (TBPA) was used for the derivatization of free NH2-groups. The presence of a known number of I atoms in both the drug molecule and its metabolites enabled a cross-validation of the newly developed derivatization procedure and quantification based on monitoring of the introduced Br. The formation of the derivatives was quantitative, providing a 4:1 stoichiometric Br/NH2 ratio. The derivatives were separated via reversed-phase HPLC with gradient elution. Bromine was determined via ICPMS at a mass-to-charge ratio of 79 using H2 as a reaction gas to ensure interference-free detection, and iodine was determined at a mass-to-charge ratio of 127 for cross-validation purposes. The method developed shows a fit-for-purpose accuracy (recovery between 85% and 115%) and precision (repeatability <15% RSD). The limit of quantification (LoQ) for Br was approximately 100 μg/L.
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Affiliation(s)
- Sanwang Li
- Department of Analytical Chemistry, Ghent University , Campus Sterre, Krijgslaan 281-S12, 9000 Ghent, Belgium
| | - Balázs Klencsár
- Department of Analytical Chemistry, Ghent University , Campus Sterre, Krijgslaan 281-S12, 9000 Ghent, Belgium
| | - Lieve Balcaen
- Department of Analytical Chemistry, Ghent University , Campus Sterre, Krijgslaan 281-S12, 9000 Ghent, Belgium
| | - Filip Cuyckens
- Pharmacokinetics, Dynamics & Metabolism, Janssen R&D , Turnhoutseweg 30, 2340 Beerse, Belgium
| | - Frederic Lynen
- Department of Organic and Macromolecular Chemistry, Ghent University , Campus Sterre, Krijgslaan 281-S4-bis, 9000 Ghent, Belgium
| | - Frank Vanhaecke
- Department of Analytical Chemistry, Ghent University , Campus Sterre, Krijgslaan 281-S12, 9000 Ghent, Belgium
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Klencsár B, Bolea-Fernandez E, Flórez MR, Balcaen L, Cuyckens F, Lynen F, Vanhaecke F. Determination of the total drug-related chlorine and bromine contents in human blood plasma using high performance liquid chromatography–tandem ICP-mass spectrometry (HPLC–ICP-MS/MS). J Pharm Biomed Anal 2016; 124:112-119. [DOI: 10.1016/j.jpba.2016.02.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 02/14/2016] [Accepted: 02/15/2016] [Indexed: 02/03/2023]
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Lores M, Llompart M, Alvarez-Rivera G, Guerra E, Vila M, Celeiro M, Lamas JP, Garcia-Jares C. Positive lists of cosmetic ingredients: Analytical methodology for regulatory and safety controls - A review. Anal Chim Acta 2016; 915:1-26. [PMID: 26995636 DOI: 10.1016/j.aca.2016.02.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Revised: 02/21/2016] [Accepted: 02/22/2016] [Indexed: 10/22/2022]
Abstract
Cosmetic products placed on the market and their ingredients, must be safe under reasonable conditions of use, in accordance to the current legislation. Therefore, regulated and allowed chemical substances must meet the regulatory criteria to be used as ingredients in cosmetics and personal care products, and adequate analytical methodology is needed to evaluate the degree of compliance. This article reviews the most recent methods (2005-2015) used for the extraction and the analytical determination of the ingredients included in the positive lists of the European Regulation of Cosmetic Products (EC 1223/2009): comprising colorants, preservatives and UV filters. It summarizes the analytical properties of the most relevant analytical methods along with the possibilities of fulfilment of the current regulatory issues. The cosmetic legislation is frequently being updated; consequently, the analytical methodology must be constantly revised and improved to meet safety requirements. The article highlights the most important advances in analytical methodology for cosmetics control, both in relation to the sample pretreatment and extraction and the different instrumental approaches developed to solve this challenge. Cosmetics are complex samples, and most of them require a sample pretreatment before analysis. In the last times, the research conducted covering this aspect, tended to the use of green extraction and microextraction techniques. Analytical methods were generally based on liquid chromatography with UV detection, and gas and liquid chromatographic techniques hyphenated with single or tandem mass spectrometry; but some interesting proposals based on electrophoresis have also been reported, together with some electroanalytical approaches. Regarding the number of ingredients considered for analytical control, single analyte methods have been proposed, although the most useful ones in the real life cosmetic analysis are the multianalyte approaches.
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Affiliation(s)
- Marta Lores
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain.
| | - Maria Llompart
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - Gerardo Alvarez-Rivera
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - Eugenia Guerra
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - Marlene Vila
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - Maria Celeiro
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - J Pablo Lamas
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
| | - Carmen Garcia-Jares
- Laboratorio de Investigación y Desarrollo de Soluciones Analíticas (LIDSA), Departamento de Química Analitica, Nutrición y Bromatología, Facultad de Quimica, Universidade de Santiago de Compostela, Campus VIDA. Santiago de Compostela, E-15782, Spain
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Miralles P, Bellver R, Chisvert A, Salvador A. Vortex-assisted emulsification semimicroextraction for the analytical control of restricted ingredients in cosmetic products: determination of bronopol by liquid chromatography. Anal Bioanal Chem 2016; 408:1929-34. [DOI: 10.1007/s00216-016-9306-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2015] [Revised: 12/21/2015] [Accepted: 01/04/2016] [Indexed: 12/30/2022]
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9
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Liu H, Guo B, Wang H, Li J, Zheng L. Determination of bromothalonil residues and degradation in apple and soil by QuEChERS and GC-MS/MS. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2014; 92:451-454. [PMID: 24549917 DOI: 10.1007/s00128-014-1224-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2013] [Accepted: 02/04/2014] [Indexed: 06/03/2023]
Abstract
The dissipation and residues of bromothalonil in apple and soil under field condition were analyzed by QuEChERS (quick, easy, cheap, effective, rugged and safe) combined with gas chromatography-mass spectrometer method. The recoveries were ranged from 80.8 % to 106 % with coefficient variation for repeatability ranged from 3.08 % to 7.09 % at fortification levels of 0.02, 0.04 and 0.2 mg/kg in apple and soil. The limit of quantification of the method was 0.31 μg/kg. The dissipation rates of bromothalonil followed the first-order kinetics and the half-lives were from 3.61 to 3.98 days in apple and from 4.65 to 9.29 days in soil. In apple, the terminal residues of bromothalonil were below the China maximum residue limit (0.2 mg/kg) after 7 days of application. This work contributed to provide the basic information for a safe usage of bromothalonil in apple orchard and preventing health problem from consumers in China.
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Affiliation(s)
- Huijun Liu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD, 18, Haidian District, Beijing, 100085, China
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Matczuk M, Obarski N, Mojski M. The impact of the various chemical and physical factors on the degradation rate of bronopol. Int J Cosmet Sci 2012; 34:451-7. [PMID: 22612984 DOI: 10.1111/j.1468-2494.2012.00730.x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2011] [Accepted: 05/14/2012] [Indexed: 11/27/2022]
Affiliation(s)
- M. Matczuk
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3; 00-664; Warsaw; Poland
| | - N. Obarski
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3; 00-664; Warsaw; Poland
| | - M. Mojski
- Chair of Analytical Chemistry; Faculty of Chemistry; Warsaw University of Technology; Noakowskiego 3; 00-664; Warsaw; Poland
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Pellegrini M, Bossù E, Rotolo MC, Pacifici R, Pichini S. Simple and rapid analysis of methyldibromo glutaronitrile in cosmetic products by gas chromatography mass spectrometry. J Pharm Biomed Anal 2011; 56:1112-6. [PMID: 21871753 DOI: 10.1016/j.jpba.2011.07.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Revised: 07/29/2011] [Accepted: 07/29/2011] [Indexed: 10/17/2022]
Abstract
A simple and rapid gas chromatography (GC) method with mass spectrometry (MS) detection has been developed for the determination of methyldibromo glutaronitrile (MDBGN) in cosmetic products. The presence of this preservative in commercial cosmetic samples is prohibited since 2007 because of its allergenic properties. The analyzed products were opportunely diluted in methanol and MDBGN was separated by fused silica capillary column and detected by electron impact (EI)-MS in positive ionization mode with a total run time of 7 min. The assay was validated in the range 0.005-0.100 mg MDBGN per g of examined product with good determination coefficients (r(2)≥0.99) for the calibration curves. At three concentrations spanning the linear dynamic range of the calibration curves, mean recoveries were always higher than 95% for MDBGN in the tested cosmetics. This method was successfully applied to the analysis of cleansing gels, shampoo and solar waters to disclose the eventual presence of MDBGN illegally added in cosmetic products.
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Affiliation(s)
- Manuela Pellegrini
- Department of Therapeutic Research and Medicines Evaluation, Istituto Superiore di Sanità, V.le Regina Elena 299, 00161 Rome, Italy
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Wang K, Zhang H, Shen L, Du Q, Li J. Rapid separation and characterization of active flavonolignans of Silybum marianum by ultra-performance liquid chromatography coupled with electrospray tandem mass spectrometry. J Pharm Biomed Anal 2010; 53:1053-7. [PMID: 20674209 DOI: 10.1016/j.jpba.2010.07.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2010] [Revised: 06/28/2010] [Accepted: 07/03/2010] [Indexed: 02/01/2023]
Abstract
Ultra-performance liquid chromatography (UPLC) interfaced with the electrospray ionization (ESI) tandem mass spectrometer (MS(n)) was developed for the simultaneous determination of silychristins A (1) and B (2), silydianin (3), silybins A (4) and B (5), and isosilybins A (6) and B (7), major bioactive flavonolignans in silymarin, a herbal remedy derived from the milk thistle Silybum marianum. In this study, the seven major active flavonolignans including the diastereomers 1/2, 4/5, and 6/7 were completely separated using UPLC with an ACQUITY UPLC C(18) column and a MeOH/water/formic acid mobile phase system. The collision-induced dissociation (CID) MS(n) spectra of these flavonolignans were studied systematically using ESI-MS. The results with the present methodology show that UPLC-MS(n) can be useful for general screening of active natural products from plant extracts and for the specific quality control of silymarin.
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Affiliation(s)
- Kuiwu Wang
- School of Food Science and Biotechnology, Zhejiang Gongshang University, #149 Jiaogong Road, Hangzhou, PR China.
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Development of a solid-phase microextraction gas chromatography with microelectron-capture detection method for the determination of 5-bromo-5-nitro-1,3-dioxane in rinse-off cosmetics. J Chromatogr A 2010; 1217:6634-9. [DOI: 10.1016/j.chroma.2010.04.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2010] [Revised: 04/08/2010] [Accepted: 04/09/2010] [Indexed: 11/17/2022]
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14
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Gika HG, Theodoridou A, Michopoulos F, Theodoridis G, Diza E, Settas L, Nikolaidis P, Smith C, Wilson ID. Determination of two COX-2 inhibitors in serum and synovial fluid of patients with inflammatory arthritis by ultra performance liquid chromatography–inductively coupled plasma mass spectroscopy and quadrupole time-of-flight mass spectrometry. J Pharm Biomed Anal 2009; 49:579-86. [DOI: 10.1016/j.jpba.2008.12.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2008] [Revised: 11/24/2008] [Accepted: 12/05/2008] [Indexed: 01/19/2023]
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15
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Wang J, Pan H, Liu Z, Ge F. Ultra-high-pressure liquid chromatography–tandem mass spectrometry method for the determination of alkylphenols in soil. J Chromatogr A 2009; 1216:2499-503. [DOI: 10.1016/j.chroma.2009.01.062] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2008] [Revised: 01/13/2009] [Accepted: 01/16/2009] [Indexed: 11/30/2022]
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Everley RA, Croley TR. Ultra-performance liquid chromatography/mass spectrometry of intact proteins. J Chromatogr A 2008; 1192:239-47. [PMID: 18417140 DOI: 10.1016/j.chroma.2008.03.058] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2008] [Revised: 03/18/2008] [Accepted: 03/19/2008] [Indexed: 10/22/2022]
Abstract
Given that numerous small molecule applications of ultra-performance liquid chromatography (UPLC) have been published, efforts were made to examine the potential of UPLC to enhance the separation of intact proteins. Beginning with typically employed conditions, column temperature and organic solvent were optimized followed by an HPLC vs. UPLC comparison. When applied to a mixture of 10 protein standards, the optimized method yielded improved chromatographic resolution, enhanced sensitivity, and a threefold increase in throughput. Subsequent cell lysate analysis demonstrated no compromise in chromatographic or mass spectral data quality at 1/3 of the original run time.
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Affiliation(s)
- Robert A Everley
- Commonwealth of Virginia, Division of Consolidated Laboratory Services, 600 N. 5th Street, Richmond, VA 23219, USA
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Plumb R, Mazzeo JR, Grumbach ES, Rainville P, Jones M, Wheat T, Neue UD, Smith B, Johnson KA. The application of small porous particles, high temperatures, and high pressures to generate very high resolution LC and LC/MS separations. J Sep Sci 2007; 30:1158-66. [PMID: 17595951 DOI: 10.1002/jssc.200600492] [Citation(s) in RCA: 58] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The effect of combining sub-2 microm porous particles with elevated operating temperatures on chromatographic performance has been investigated in terms of chromatographic efficiency, productivity, peak elution order, and observed operating pressure. The use of elevated temperature in LC does not increase the obtainable performance but allows the same performance to be obtained in less time. Increasing the column temperature did allow the use of longer columns, generating column efficiencies in excess of 100,000 plates and gradient peak capacities approaching 1000. Raising the temperature increased the optimal mobile phase linear velocity, negating somewhat the pressure benefits observed by reducing the solvent viscosity. When operating at higher temperature the analyte retention is not only reduced, but the order of elution will also often change. High temperature separations allowed exotic organic modifiers such as isopropanol to be exploited for alternative selectivity and faster analysis. Finally, care must be taken when using high temperature separations to ensure that the narrow peak widths produced do not compromise the quality of data obtained from detectors such as high resolution mass spectrometers.
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Affiliation(s)
- Robert Plumb
- Pharmaceutical Application and Development Manager, Waters Corporation, 34 Maple Street, M/S GC, Milford, MA 01757, USA.
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Affiliation(s)
- R K Gilpin
- Brehm Research Laboratory, University Park, Wright State University, Fairborn, Ohio 45324-2031, USA
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Wu N, Clausen AM. Fundamental and practical aspects of ultrahigh pressure liquid chromatography for fast separations. J Sep Sci 2007; 30:1167-82. [PMID: 17595952 DOI: 10.1002/jssc.200700026] [Citation(s) in RCA: 138] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The ongoing development of HPLC has been focused on increasing the speed and efficiency of separations over the past decade. The advances in separation speed have been primarily related to the development of column technology and instrumentation. Relatively short columns packed with sub-2 microm particles provide high-speed separations while maintaining or increasing resolution. Ultrahigh pressure pump systems have been developed to overcome the high-pressure drop generated by such sub-2 microm packings. In this review, fundamental and practical aspects of ultrahigh pressure or ultrahigh performance liquid chromatography (U-HPLC) are discussed. Applications of fast U-HPLC separations are also presented.
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Affiliation(s)
- Naijun Wu
- Merck & Co., Inc., Building RY818-B215, P.O. Box 2000, Rahway, NJ 07065, USA.
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20
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Neue UD, Kele M. Performance of idealized column structures under high pressure. J Chromatogr A 2007; 1149:236-44. [DOI: 10.1016/j.chroma.2007.03.042] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2006] [Revised: 03/09/2007] [Accepted: 03/13/2007] [Indexed: 11/26/2022]
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Abstract
Pharmaceutical separations can be divided into three categories: high throughput, high productivity, and high resolution. These categories contain specific pharmaceutical applications, each of which has distinct separation goals. Traditionally, these goals have been achieved utilizing conventional HPLC with typical column dimensions and particle sizes. The recent introduction of ultra-HPLC (UHPLC) has provided a new potential for method development and analysis. Pharmaceutical chemists must determine the impact of this emerging technology. UHPLC is achieved by using sub-2 microm particle size column packing at increased linear velocities. In order to utilize this technology, mobile phase viscosity must be minimized or the chromatography system must be redesigned to withstand an increased backpressure. Today, there are many commercially available UHPLC systems capable of exceeding conventional pressure limits of 400 bar. The advantage of UHPLC over conventional HPLC is the capability to increase the speed without sacrificing efficiency. In comparison to traditional HPLC, our research showed that UHPLC can decrease run times up to 7 x. In addition, for high resolution applications, UHPLC achieved significant efficiency advantages over traditional HPLC. This paper will evaluate the potential roles for utilizing UHPLC in the pharmaceutical industry.
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Affiliation(s)
- Stephen M Chesnut
- Analytical Research and Development, Pfizer Global Research and Development, Groton/New London Laboratories, Groton, CT 06340, USA
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Swartz ME. 6 Contemporary liquid chromatographic systems for method development. SEP SCI TECHNOL 2007. [DOI: 10.1016/s0149-6395(07)80012-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Current literature in mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2006; 41:1654-1665. [PMID: 17136768 DOI: 10.1002/jms.959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
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Nováková L, Solichová D, Solich P. Advantages of ultra performance liquid chromatography over high-performance liquid chromatography: Comparison of different analytical approaches during analysis of diclofenac gel. J Sep Sci 2006; 29:2433-43. [PMID: 17154123 DOI: 10.1002/jssc.200600147] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Miniaturization embracing instrumentation, column particle size, and column dimensions is one of the major current trends in separation techniques. This leads to shortening of analysis time and great savings in solvent consumption. Ultra performance liquid chromatography (UPLC) is one of the new developments in liquid chromatography. An ultra-high pressure system allows using of small particle-packed columns with small diameter, which has a positive effect on both system efficiency and analysis time. An analytical method for determination of the active substance diclofenac, the degradation product 1-(2,6-dichlorphenyl)-2-indolinone, and the preservatives methylparaben and propylparaben was used for testing and comparing LC systems. Various octadecylsilica-based analytical columns were examined. Acquity UPLC BEH C18 (2.1 x 50 mm, 1.7 microm) and (2.1 x 100 mm, 1.7 microm) were tested for UPLC. The following analytical columns were used in a test for HPLC: Purospher RP 18e (125 x 4.0 mm, 5 microm), Zorbax Eclipse XDB C18 (75 x 4.6 mm, 3.5 microm), Zorbax Eclipse SB C18 (50 x 4.6 mm, 1.8 microm), as was a monolithic column (Chromolith Performance RP-18e (100 x 4.6 mm). Results of a System Suitability Test (SST) were calculated and compared for each chromatographic peak. System efficiency and analysis duration were compared with regard to solvent consumption and system maintenance
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Affiliation(s)
- Lucie Nováková
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Hradec Králové, Czech Republic
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Nguyen DTT, Guillarme D, Rudaz S, Veuthey JL. Fast analysis in liquid chromatography using small particle size and high pressure. J Sep Sci 2006; 29:1836-48. [PMID: 16970187 DOI: 10.1002/jssc.200600189] [Citation(s) in RCA: 254] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
In order to enhance chromatographic performances in terms of efficiency and rapidity, LC has recently evolved in the development of short columns packed with small particles (sub-2 microm) working at high pressures (> 400 bar). This approach has been described 30 years ago according to the fundamental chromatographic equations. However, systems and columns compatible with such high pressures have been introduced in the market in 2004 only. Advantages of small particles working at high pressure will be discussed in terms of sensitivity, efficiency, resolution, and analysis time. Potential problems encountered with high pressure in terms of frictional heating and solvent compressibility will also be discussed even if systems working at a maximum pressure of 1000 bar are not influenced by these parameters and give reliable and reproducible results. Several applications will highlight the potential and interest of this new technology.
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Affiliation(s)
- Dao T T Nguyen
- Laboratory of Analytical Pharmaceutical Chemistry, School of Pharmaceutical Sciences, University of Geneva, University of Lausanne, Bd d'Yvoy 20, 1211 Geneva 4, Switzerland
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