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Gösterişli TU, Kublay İZ, Keyf S, Bakırdere S. Development of A Liquid-Phase Microextraction Method for Simultaneous Determination of Parabens in Lipstick Samples at Trace Levels by High-Performance Liquid Chromatography. J Chromatogr Sci 2024; 62:295-300. [PMID: 37309217 DOI: 10.1093/chromsci/bmad040] [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: 06/03/2022] [Revised: 05/03/2023] [Accepted: 05/24/2023] [Indexed: 06/14/2023]
Abstract
The endocrine-disrupting potential of parabens, as well as their relation to cancer, has sparked significant discussions over their impact. Consequently, analyses of cosmetic products are an essential necessity, particularly in terms of human health and safety. In this study, a highly accurate and sensitive liquid-phase-based microextraction method was developed to determine the five parabens at trace levels by high-performance liquid chromatography. All prominent parameters of the method such as extraction solvent type and amount (1,2-dichloroethane/250 μL), and dispersive solvent type and amount (isopropyl alcohol/2.0 mL) were optimized to enhance the extraction efficiency of the analytes. The mobile phase consisting of 50 mM ammonium formate aqueous solution (pH 4.0) and acetonitrile (60:40, v/v) was used to elute the analytes at a flow rate of 1.2 mL min-1 in the isocratic mode. Analytical performance of the optimum method for methyl, ethyl, propyl, butyl and benzyl parabens were determined and the analytes recorded detection limit values of 0.78, 0.75, 0.34, 0.33 and 0.75 μg kg-1, respectively. Four different lipstick samples were analyzed under optimum conditions of the developed method, and the amount of parabens quantified in the samples using matrix matched calibration standards was in the range of 0.11-1.03%.
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Affiliation(s)
- Tuğçe U Gösterişli
- Science and Technology Application and Research Center, Yıldız Technical University, 34349 İstanbul, Türkiye
- Department of Chemical Engineering, Yıldız Technical University, 34349 İstanbul, Türkiye
| | - İrem Z Kublay
- Department of Chemistry, Yıldız Technical University, 34349 İstanbul, Türkiye
| | - Seyfullah Keyf
- Department of Chemical Engineering, Yıldız Technical University, 34349 İstanbul, Türkiye
| | - Sezgin Bakırdere
- Department of Chemistry, Yıldız Technical University, 34349 İstanbul, Türkiye
- Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya 06670, Ankara, Türkiye
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Chen D, Chen Y, Zhang Y, Du J, Xiao H, Yang Z, Xu J. Multi-class analysis of 100 drug residues in cosmetics using high-performance liquid chromatography-quadrupole time-of-flight high-resolution mass spectrometry. Talanta 2024; 266:124954. [PMID: 37478768 DOI: 10.1016/j.talanta.2023.124954] [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: 03/20/2023] [Revised: 06/25/2023] [Accepted: 07/14/2023] [Indexed: 07/23/2023]
Abstract
Cosmetics are an important aspect of the lives of many people. With an increasing demand for cosmetics, consumers pay more attention to their efficacy and composition. To improve their efficacy, prohibited substances, such as hormones, glucocorticoids, antibiotics, antifungals and antihistamines, may be added to cosmetics. We developed a rapid method for the multi-class analysis of drug residues in toner and lotion cosmetic samples using high-performance liquid chromatography coupled with quadrupole time-of-flight high-resolution mass spectrometry (HPLC-Q-TOF-HRMS). The primary variables in the extraction and purification steps were studied to minimize the interference of the sample matrix. The non-information-dependent sequential window acquisition of all theoretical fragment ion spectra (SWATH®) mode was used to improve the data acquisition efficiency. The secondary product ion peak areas were used for quantification to obtain a satisfactory matrix effects. The validation experiments confirmed that the developed method exhibited good linearity (5-200 ng/L) with correlation coefficients (R) ≥ 0.9902. Our developed method was then successfully applied to 92 real cosmetic samples. The calibration curve established by this method can be used for retrospective quantitative analysis over long durations without re-calibration. This method is efficient and suitable for screening and controlling multi-class prohibited substances in the cosmetics industry to reduce potential risks.
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Affiliation(s)
- Dan Chen
- Guangdong Institute of Sport Science, Guangzhou, 510663, PR China
| | - Ying Chen
- Guangdong Institute of Sport Science, Guangzhou, 510663, PR China
| | - Yuan Zhang
- Guangdong Institute of Sport Science, Guangzhou, 510663, PR China
| | - Juan Du
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, PR China
| | - Han Xiao
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, PR China
| | - Zong Yang
- Asia Pacific Technical Support Center of SCIEX, Shanghai, 200050, PR China
| | - Jia Xu
- Institute of Maternal and Child Health, Wuhan Children's Hospital (Wuhan Maternal and Child Healthcare Hospital), Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430016, PR China.
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Cardoso AT, Martins RO, Lanças FM, Chaves AR. Molecularly imprinted polymers in online extraction liquid chromatography methods: Current advances and recent applications. Anal Chim Acta 2023; 1284:341952. [PMID: 37996153 DOI: 10.1016/j.aca.2023.341952] [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: 04/19/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 11/25/2023]
Abstract
BACKGROUND One of the primary objectives in green analytical practices is the seamless integration of extraction and separation steps, resulting in the augmentation of both analytical throughput and method performance. Consequently, the exploration of prospective sorbent materials has drawn significant attention in the scientific community, particularly concerning the potential for online procedures. Employing the optimal sorbent material within an automated analytical approach holds the promise of elevating the precision of the analytical evaluation. Molecularly imprinted polymers (MIPs) excel in specific analyte interaction within complex matrices. However, MIPs' full potential was not widely exploring especially for online analytical methodologies. RESULTS Here is presented a comprehensive overview of the current applications of MIPs as sorbent materials within integrated and automated separation methodologies applied to diverse matrices including biological, food, and environmental samples. Notably, their primary advantage, as evidenced in the literature, lies in their exceptional selectivity for the target analyte discussed according to the adopted synthesis protocol. Furthermore, the literature discussed here illustrates the versatility of MIPs in terms of modification with one or more phases which are so-called hybrid materials, such as molecularly imprinted monoliths (MIM), the molecularly imprinted ionic liquid polymer (IL-MIP), and restricted access to molecularly imprinted polymer (RAMIP). The reported advantages enhance their applicability in integrated and automated separation procedures, especially to the column switching methods, across a broader spectrum of applications. SIGNIFICANCE This revision aims to demonstrate the MIP's potential as a sorbent phase in integrated and automated methods, this comprehensive overview of MIP polymers in integrated and automated separation methodologies can be used as a valuable guide, inspiring new research on developing novel horizons for MIP applications to have their potential emphasized in analytical science and enhanced to the great analytical methods achievement.
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Affiliation(s)
- Alessandra Timóteo Cardoso
- Universidade Federal de Goiás, Instituto de Química, 74690-900, Goiânia, GO, Brazil; Universidade de São Paulo, Instituto de Química de São Carlos, São Carlos, SP, Brazil
| | | | - Fernando Mauro Lanças
- Universidade de São Paulo, Instituto de Química de São Carlos, São Carlos, SP, Brazil
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Alqarni AM, Mostafa A, Shaaban H, Gomaa MS, Albashrayi D, Hasheeshi B, Bakhashwain N, Aseeri A, Alqarni A, Alamri AA, Alrofaidi MA. Development and optimization of natural deep eutectic solvent-based dispersive liquid-liquid microextraction coupled with UPLC-UV for simultaneous determination of parabens in personal care products: evaluation of the eco-friendliness level of the developed method. RSC Adv 2023; 13:13183-13194. [PMID: 37124025 PMCID: PMC10141287 DOI: 10.1039/d3ra00769c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023] Open
Abstract
Dispersive liquid-liquid microextraction (DLLME) combined with ultra-high performance liquid chromatography-diode array detector (UHPLC-DAD) method has been developed and validated for the determination of parabens in personal care products. In this study, a natural deep eutectic solvent (NADES) composed of menthol and formic acid at a molar ratio of 1 : 2 was prepared and used as an extraction solvent. The influencing variables on the extraction efficiency such as extraction solvent type and volume, composition of NADES, salt addition, vortex and centrifugation time were investigated. The proposed method exhibited good linearity with determination coefficients of ≥0.9992. The relative recoveries for the studied analytes ranged from 82.19 to 102.45%. Limits of detection and limits of quantification were in the range of 0.17-0.33 ng mL-1 and 0.51-0.99 ng mL-1, respectively. To evaluate the applicability of the developed method, it was successfully applied to determine four parabens in personal care products. Additionally, the eco-friendliness level of the presented method was evaluated using Eco-Scale Assessment, Green Analytical Procedure Index and Analytical GREEnness metric. The developed method is simple, environmentally friendly and cost effective and it could be employed for determination of parabens in personal care products without harming the environment.
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Affiliation(s)
- Abdulmalik M Alqarni
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Ahmed Mostafa
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Heba Shaaban
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Mohamed S Gomaa
- Department of Pharmaceutical Chemistry, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Danyah Albashrayi
- College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Batool Hasheeshi
- College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Nujud Bakhashwain
- College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Atheer Aseeri
- College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University King Faisal Road, P.O. Box 1982 Dammam 31441 Saudi Arabia
| | - Abdulaziz Alqarni
- Medical Laboratory Department, National Guard Health Affairs AlAhsa Saudi Arabia
| | - Abdulgani A Alamri
- Armed Forces Health Rehabilitation Center, Ministry of Defense for Health Services Taif Saudi Arabia
| | - Mohammad A Alrofaidi
- Department of Pharmaceutical Chemistry, Faculty of Clinical Pharmacy, Al Baha University King Faisal Road, P.O. Box 1988 Al-Baha Saudi Arabia
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Polyoxometalate/reduced graphene oxide composite stabilized on the inner wall of a stainless steel tube as a sorbent for solid-phase microextraction of some parabens followed by quantification via high-performance liquid chromatography. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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Nowak K, Jabłońska E, Garley M, Iwaniuk A, Radziwon P, Wołczyński S, Ratajczak-Wrona W. Investigation of estrogen-like effects of parabens on human neutrophils. ENVIRONMENTAL RESEARCH 2022; 214:113893. [PMID: 35839909 DOI: 10.1016/j.envres.2022.113893] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Revised: 07/07/2022] [Accepted: 07/09/2022] [Indexed: 06/15/2023]
Abstract
This study investigated the estrogen-like effects and mechanism of action most commonly used parabens: methyl- (MeP), ethyl- (EtP), propyl- (PrP) and butylparaben (BuP) in human neutrophils. Neutrophils were isolated from 50 blood donors, pre-incubated with antagonists of estrogen receptor α (ERα), ERβ and G-protein coupled estrogen receptor 1 (GPER), then incubated with MeP, EtP, PrP, BuP and 17β-estradiol (E2; 10 nM). Cytotoxic effect was evaluated by MTT test. Neutrophils apoptosis, necrosis and NETs formation were assessed in flow cytometry and confocal microscopy. The ability of the neutrophils for chemotaxis, phagocytosis, NADPH oxidase activity and generation of superoxide anion was assessed in Boyden's chamber, Park's method with latex, the NBT test, and reduction of cytochrome C, respectively. The total nitric oxide concentration was measured in neutrophils supernatants by the Griess reaction. The expression of cathepsin G, neutrophil elastase, proteinase 3, ERα, ERβ and GPER was assessed in Western blot method. In our research, parabens did not cause a cytotoxic effect on human neutrophils nor affect their lifespan. Parabens exposure did not change neutrophils functions (chemotaxis, phagocytosis, NETs formation and oxygen-dependent killing mechanism) and expression of estrogen receptors. Our results suggest that parabens do not cause estrogen receptor-mediated neutrophils-related effects at concentrations measured in the plasma of individuals using products preserved with parabens.
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Affiliation(s)
- Karolina Nowak
- Department of Immunology, Medical University of Bialystok, Poland.
| | - Ewa Jabłońska
- Department of Immunology, Medical University of Bialystok, Poland
| | - Marzena Garley
- Department of Immunology, Medical University of Bialystok, Poland
| | | | - Piotr Radziwon
- Regional Centre for Transfusion Medicine, Bialystok, Poland
| | - Sławomir Wołczyński
- Department of Reproduction and Gynecological Endocrinology, Medical University of Bialystok, Bialystok, Poland; Department of Biology and Pathology of Human Reproduction, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Olsztyn, Poland
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Cao J, Wang C, Shi L, Cheng Y, Hu H, Zeng B, Zhao F. Water based-deep eutectic solvent for ultrasound-assisted liquid-liquid microextraction of parabens in edible oil. Food Chem 2022; 383:132586. [PMID: 35247725 DOI: 10.1016/j.foodchem.2022.132586] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 02/07/2022] [Accepted: 02/25/2022] [Indexed: 01/05/2023]
Abstract
A novel water-based deep eutectic solvent was synthesized and used for the ultrasound-assisted liquid-liquid microextraction of parabens in edible oil and for their determination by high performance liquid chromatography. Herein, the water-based deep eutectic solvent was formulated at room temperature by tetrabutylammonium chloride as hydrogen bond acceptor and water as hydrogen bond donor at the molar ratio of 1:5. As component, water has the effect on tailoring the physicochemical properties of water-based deep eutectic solvent and assisting tetrabutylammonium chloride (hydrogen bond acceptor) capturing parabens (hydrogen bond donor) through in-situ deep eutectic solvent formation. The developed method has satisfactory linearity (1.5-500 μg/L), limits of detections (0.2-0.4 μg/L), precisions (RSDs ≤ 5.8%), and was fruitfully applied to detect parabens in edible oil with excellent recoveries (85.1-106.8%). The feature of the procedure lies in simplicity, low cost and high sensitivity, and this can be extended for the efficient separation of other hydrophobic compounds.
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Affiliation(s)
- Jiangping Cao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Caiyun Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Lei Shi
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Yonglong Cheng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Hua Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Baizhao Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China
| | - Faqiong Zhao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, Hubei Province, PR China.
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Eco-friendly magnetic Solid-Phase extraction and deep eutectic solvent for the separation and detection of parabens from the environmental water and urine samples. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107330] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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9
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A μ-QuEChERS method combined with UHPLC-MS/MS for the analysis of phenolic compounds in red pepper varieties. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Tekin Z, Karlıdağ NE, Özdoğan N, Koçoğlu ES, Bakırdere S. Dispersive solid phase extraction based on reduced graphene oxide modified Fe 3O 4 nanocomposite for trace determination of parabens in rock, soil, moss, seaweed, feces, and water samples from Horseshoe and Faure Islands. JOURNAL OF HAZARDOUS MATERIALS 2022; 426:127819. [PMID: 34838356 DOI: 10.1016/j.jhazmat.2021.127819] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 11/13/2021] [Accepted: 11/14/2021] [Indexed: 06/13/2023]
Abstract
This study reports an efficient, green, sensitive and simple analytical protocol for trace determination of methyl paraben, ethyl paraben, propyl paraben, butylparaben and benzyl paraben by high-performance liquid chromatography-ultraviolet detection (HPLC-UV). The analytes were preconcentrated using an ultrasonication supported (US) dispersive solid phase extraction (DSPE) method based on reduced graphene oxide (rGO) modified iron nanoparticles (US-Fe3O4@rGO-DSPE). A reversed-phase C18 column and an isocratic elution program comprising of 20 mM phosphate buffer (pH 4.50) and acetonitrile(58:42, v/v) were used to elute and separate the analytes for detection. The limits of detection determined for the analytes were very low and were in the range of 0.02 - 0.16 ng mL-1. The coefficients of determination obtained for the analytes ranged from 0.9973 to 0.9998, and this validated good linearity of the method.Percent relative standard deviations obtained in the range of 2.5 - 10.6% verified the method's high intraday repeatability. Accuracy of the proposed method was assessed with spiking experiments performed on complex sample matrices. Percent recoveries calculated for spiked soil, artificial seawater and seaweed samples were in acceptable ranges of 95 - 121%, 87 - 117% and 85 - 111%, respectively. These figures of merit suggest that HPLC-UV coupled with the US-Fe3O4@rGO-DSPEmethod is suitable for the determination of parabens in Antarctic samples.
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Affiliation(s)
- Zeynep Tekin
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | | | - Nizamettin Özdoğan
- Bülent Ecevit University, Institute of Science, Environmental Engineer Department, 67100 Zonguldak, Turkey
| | - Elif Seda Koçoğlu
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey
| | - Sezgin Bakırdere
- Yıldız Technical University, Department of Chemistry, 34349 İstanbul, Turkey; Turkish Academy of Sciences (TÜBA), Vedat Dalokay Street, No: 112, Çankaya, 06670 Ankara, Turkey.
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Güray T, Akıl FH, Uysal UD. Ultrasound-assisted cloud point microextraction of certain preservatives in real samples and determination by HPLC. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1031-1040. [PMID: 35188151 DOI: 10.1039/d1ay01887f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Ultrasound-assisted cloud point microextraction (UA-CPME) was performed for certain preservatives (p-hydroxy benzoic acid and its alkyl esters, methyl, ethyl, propyl and butyl parabens). Then, an HPLC method was developed for their simultaneous determination in pharmaceutical and cosmetic samples. The chromatograms of these substances were recorded on a C18 column using a gradient elution technique with various solvent systems at different flow rates and at 254 nm wavelength using a diode-array detector (DAD). The analysis conditions found by the classical method were optimized using the Box-Behnken design (BBD). In the design, the effect of each factor was examined with 3 and 4 factors for UA-CPME and HPLC analyses, respectively. The brij 58 concentration (BC), Na2SO4 amount (SA) and extraction time (ET) for UA-CPME, and the mobile phase 1 (MP1) ratio, mobile phase 2 (MP2) ratio, flow rate (FR) and column temperature parameters for HPLC analysis were obtained for the investigated levels. The factors affecting the resolution were determined by applying regression analysis to the experimental results. The analysis of variance (ANOVA) test was applied to ensure result reliability. The ANOVA test was used to determine the reliability of the results. A model was created with the obtained data. The developed method was validated by examining linearity, reproducibility, accuracy, limit of quantification and limit of the detection. Methyl paraben (with 0.148% RSD value and 0.060% relative error), and propyl paraben (with 0.149% RSD value and 0.120% relative error) were determined in the syrup sample by the developed method. Methyl paraben with recovery values of (98.32-99.42)% and ethyl paraben with recovery values of (99.17-99.41)%, were determined in a hand cream.
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Affiliation(s)
- Tufan Güray
- Eskisehir Osmangazi University, Faculty of Letters and Sciences, Department of Chemistry, F-5 block, 26480 Eskisehir, Turkey.
| | - Filiz Hümeyra Akıl
- Eskisehir Osmangazi University, Graduate School of Natural and Applied Sciences, Department of Chemistry, Eskisehir, Turkey
| | - Ulku Dilek Uysal
- Department of Chemistry, Faculty of Science, Eskisehir Technical University, 26470, Eskişehir, Turkey
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Khesina ZB, Karnaeva AE, Buryak AK. Approaches to the Sample Preparation of Food Emulsions for Their Efficient Separation and Precipitation of Nonvolatile Polymer Components. COLLOID JOURNAL 2022. [DOI: 10.1134/s1061933x21060181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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13
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Li M, Luo S, Di X, Cui Y. Ultrasound-assisted extraction coupling to high performance liquid chromatography for enantiomerically quantitative analysis of two preservatives in cosmetics and the potentially cytotoxic study. Microchem J 2022. [DOI: 10.1016/j.microc.2021.106937] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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14
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Saha P, Pandey MM. DoE-based validation of a HPLC-UV method for quantification of rotigotine nanocrystals: Application to in vitro dissolution and ex vivo nasal permeation studies. Electrophoresis 2021; 43:590-600. [PMID: 34783375 DOI: 10.1002/elps.202100157] [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: 05/28/2021] [Revised: 10/30/2021] [Accepted: 11/08/2021] [Indexed: 11/08/2022]
Abstract
The current work is focused on optimization, development, and validation of a sensitive and specific reversed-phase high-performance liquid chromatography (RP-HPLC) method for the estimation of rotigotine (RTG) in bulk and nanoformulations. The RP-HPLC method was effectively optimized using the concepts of design of experiments. Critical method variables (CMVs) were screened using Plackett-Burman design. Box-Behnken, a surface response methodology-based design, was further used for the optimization of CMVs with the number of theoretical plates and retention time (min) as responses. The optimized chromatographic conditions for the RP-HPLC method were: acetonitrile proportion: 54% v/v, pH of buffer: 5.0 (10 mM), and flow rate: 0.65 mL/min. The number of theoretical plates and retention time in the study were found to be 11206 and 7.65 min, respectively. The developed method exhibited good linearity (R2 = 0.9995) within a range of 25-600 ng/mL and LOD and LOQ were found to be 9 and 12 ng/mL, respectively. The developed RP-HPLC method was found sensitive, accurate, precise, specific, robust, and stability indicating according to the regulatory guidelines. The validated method was efficiently applied for in vitro dissolution study, ex vivo nasal permeation study, and estimation of drug content of RTG nanocrystals.
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Affiliation(s)
- Paramita Saha
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Rajasthan, India
| | - Murali Monohar Pandey
- Industrial Research Laboratory, Department of Pharmacy, Birla Institute of Technology & Science, Pilani, Rajasthan, India
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