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Zhang L, Shen L, Zhong Q, Zhou T. Diluting modulation-based two dimensional-liquid chromatography coupled with mass spectrometry for simultaneously determining multiclass prohibited substances in cosmetics. J Chromatogr A 2023; 1695:463954. [PMID: 37011524 DOI: 10.1016/j.chroma.2023.463954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 03/16/2023] [Accepted: 03/26/2023] [Indexed: 03/29/2023]
Abstract
Developing efficient and comprehensive screening methods for prohibited substances in cosmetics is critical for ensuring the quality and safety of cosmetics used in everyday life. This study proposed a heart-cutting two-dimensional liquid chromatography-mass spectrometry (2D-LC-MS) method based on online diluting modulation for detecting multiclass prohibited substances in cosmetics. The 2D-LC-MS method combines HILIC and RPLC techniques. Compounds near the dead time that the first dimensional HILIC could not separate were transferred to the second dimensional RPLC by valve switch, achieving good separation with a wide range of polarities. Moreover, the online diluting modulation solved the problem of mobile phase incompatibility, realizing an excellent column-head focusing effect and reducing the loss of sensitivity. Besides, the first dimensional analysis did not restrict the flow rate of the second dimensional analysis owing to the diluting modulation. We demonstrated the 2D-LC-MS system by determining 126 prohibited substances in cosmetic products, including hormones, local anesthetics, anti-infectives, adrenergic agents, antihistamines, pesticides, and other chemicals. All correlation coefficients of the compounds were above 0.9950. The LODs and the LOQs ranged from 0.000259 ng/mL to 16.6 ng/mL and 0.000864 ng/mL to 55.3 ng/mL, respectively. The RSDs% for intra-day and inter-day precision were within 6% and 14%, respectively. Compared with conventional one-dimensional liquid chromatography methods, the established method expanded the analytical coverage of cosmetics-prohibited substances with reduced matrix effects for most compounds and improved sensitivity for polar analytes. The results indicated that the 2D-LC-MS method was a powerful tool for screening multiclass prohibited substances in cosmetics.
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Affiliation(s)
- Liping Zhang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Lingling Shen
- Guangzhou Analytical Center, Analytical & Measuring Instruments Division, Shimadzu (China) Co., LTD, Guangzhou, 510010, China
| | - Qisheng Zhong
- Guangzhou Analytical Center, Analytical & Measuring Instruments Division, Shimadzu (China) Co., LTD, Guangzhou, 510010, China
| | - Ting Zhou
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China.
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Jian P, Muhammad T, Wei A, Wu B, Zhou T. A membrane-protected microsolid phase-extraction method based on molecular imprinting and its application to the determination of local anesthetics in cosmetics. J Sep Sci 2022; 45:2675-2686. [PMID: 35544325 DOI: 10.1002/jssc.202200012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 04/28/2022] [Accepted: 05/09/2022] [Indexed: 11/11/2022]
Abstract
As local anesthetics (LAs) that are illegally added into cosmetics are harmful to consumer health, it is necessary to establish an efficient method for detecting these substances. Herein, a molecularly imprinted polymer (bupivacaine) was prepared by bulk polymerization and packed into a hollow fiber for use as an extraction phase to fabricate a membrane-protected microsolid phase-extraction device. The optimal values of the influencing parameters for the microextraction process were as follows: a sample solution pH of 9.0, a loading and washing time of 2 h and an elution time of 32 min. A GC-MS method was established for determination of local anesthetics and coupled with the microextraction method to successfully detect local anesthetics in cosmetic samples. The calibration curve for the proposed method was linear in the range of 0.4∼50 mg/L and showed a good correlation coefficient (r2 ). The LODs for local anesthetics were in the range of 0.01∼0.71 mg/L. The molecularly imprinted polymer exhibited good imprinting and selectivity, and the microsolid phase-extraction device was simple and inexpensive and fabrication was reproducible. The combination of molecular imprinting technology, membrane separation and microsolid phase-extraction methods used in this study can potentially be applied to pretreat local anesthetics in cosmetic samples. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Pengli Jian
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Turghun Muhammad
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Aixia Wei
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
| | - Beibei Wu
- Key laboratory of Enhanced Oil Recovery for Fractured Vuggy Reservoirs, Sinopec, Urumqi, 830011, P. R. China
| | - Tiantian Zhou
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources; College of Chemistry, Xinjiang University, Urumqi, Xinjiang, 830017, P. R. China
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Zhou W, Wang PG. Simultaneous determination of multi-class active pharmaceutical ingredients by UHPLC-HRMS. J Pharm Biomed Anal 2021; 202:114160. [PMID: 34051485 DOI: 10.1016/j.jpba.2021.114160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/27/2021] [Accepted: 05/19/2021] [Indexed: 11/27/2022]
Abstract
In this work, a UHPLC-HRMS method using a quadrupole-orbitrap mass spectrometer has been developed for the detection and quantification of 47 compounds. These compounds include a range of chemical structures and properties and are popularly referred to as active pharmaceutical ingredients (API). The APIs selected have historically been incorporated into a variety of products commonly marketed towards acne, hair loss, male erectile dysfunction, and skin whitening. A fast ultrasound-assisted extraction (UAE) procedure without sample cleanup was developed and a high-resolution product ion spectral library was generated for compound verification in complex matrices. Collision energies were optimized for all analytes to overcome the limitations by applying stepped collision energies, such as insufficient fragmentation and excessive fragmentation without molecular ion information. Higher HRMS2 spectra matching scores (0.6 or above) were obtained for the analytes in the tested complex matrices. Eleven representative stable isotopically labeled API analogs were used as internal standards to compensate for the influence of complex matrices, such as shampoo and creams, and as an instrument quality control. One-hundred products with complex matrices were analyzed using the validated UHPLC-HRMS method. Eight APIs (ketoconazole, hydroquinone, salicylic acid, benzocaine, progesterone, azelaic acid, lidocaine, and minoxidil) were identified in 26 out of 100 products ranging from 103 μg/g to 156,000 μg/g.
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Affiliation(s)
- Wanlong Zhou
- CFSAN, Food and Drug Administration, College Park, MD, United States.
| | - Perry G Wang
- CFSAN, Food and Drug Administration, College Park, MD, United States
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Zhang J, Liu J, Zhang Y, Yu F, Wang F, Peng Z, Li Y. Voltammetric lidocaine sensor by using a glassy carbon electrode modified with porous carbon prepared from a MOF, and with a molecularly imprinted polymer. Mikrochim Acta 2017; 185:78. [DOI: 10.1007/s00604-017-2551-2] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 11/09/2017] [Indexed: 10/18/2022]
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Sun H, Lai JP, Chen F, Zhu DR. Molecularly imprinted microspheres synthesized by a simple, fast, and universal suspension polymerization for selective extraction of the topical anesthetic benzocaine in human serum and fish tissues. Anal Bioanal Chem 2015; 407:1745-52. [DOI: 10.1007/s00216-014-8420-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 12/10/2014] [Accepted: 12/15/2014] [Indexed: 11/27/2022]
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Pellegrini M, Marchei E, Pacifici R, Rotolo MC, Pichini S. Advances in the analysis of non-allowed pharmacologically active substances in cosmetic products. J Pharm Biomed Anal 2011; 55:842-7. [DOI: 10.1016/j.jpba.2011.01.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2010] [Revised: 01/25/2011] [Accepted: 01/31/2011] [Indexed: 02/03/2023]
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Ono N, Miyamoto Y, Ishiguro T, Motoyama K, Hirayama F, Iohara D, Seo H, Tsuruta S, Arima H, Uekama K. Reduction of Bitterness of Antihistaminic Drugs by Complexation with β-Cyclodextrins. J Pharm Sci 2011; 100:1935-43. [DOI: 10.1002/jps.22417] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Revised: 10/24/2010] [Accepted: 10/30/2010] [Indexed: 11/12/2022]
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Dejmkova H, Vokalova V, Zima J, Barek J. Determination of Benzocaine Using HPLC and FIA with Amperometric Detection on a Carbon Paste Electrode. ELECTROANAL 2011. [DOI: 10.1002/elan.201000646] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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High performance liquid chromatography-diode array and electrospray-mass spectrometry analysis of vardenafil, sildenafil, tadalafil, testosterone and local anesthetics in cosmetic creams sold on the Internet web sites. J Pharm Biomed Anal 2009; 50:362-9. [DOI: 10.1016/j.jpba.2009.05.022] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2009] [Revised: 05/16/2009] [Accepted: 05/19/2009] [Indexed: 11/18/2022]
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De Orsi D, Pellegrini M, Pichini S, Mattioli D, Marchei E, Gagliardi L. High-performance liquid chromatography–diode array and electrospray-mass spectrometry analysis of non-allowed substances in cosmetic products for preventing hair loss and other hormone-dependent skin diseases. J Pharm Biomed Anal 2008; 48:641-8. [DOI: 10.1016/j.jpba.2008.06.008] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2008] [Revised: 06/11/2008] [Accepted: 06/17/2008] [Indexed: 11/16/2022]
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Oliveira R, Salazar-Banda G, Ferreira V, Oliveira S, Avaca L. Electroanalytical Determination of Lidocaine in Pharmaceutical Preparations Using Boron-Doped Diamond Electrodes. ELECTROANAL 2007. [DOI: 10.1002/elan.200603840] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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