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Huang J, Yang C, Zhang X, Wu X. Characteristics and functional bacteria of an efficient benzocaine-mineralizing bacterial consortium. JOURNAL OF HAZARDOUS MATERIALS 2024; 480:135773. [PMID: 39270583 DOI: 10.1016/j.jhazmat.2024.135773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 08/29/2024] [Accepted: 09/05/2024] [Indexed: 09/15/2024]
Abstract
The extensive use of pharmaceutical and personal care products (PPCPs) has led to widespread residual pollution, which increases the risk of the development of drug resistance in pathogenic microorganisms. Benzocaine is a PPCP that is widely used medical anesthesia and in sunscreen. Microorganisms are essential for the degradation of residual PPCPs. However, no studies have reported the microbial degradation of benzocaine. In this study, through continuous enrichment of the initial consortium HJ1, the highly efficient benzocaine-degrading consortium HJ7 was obtained, HJ7 exhibited a degradation rate that was 1.92 times greater than that of HJ1. Methyl 4-aminobenzoate and 4-aminobenzoic acid were identified as major intermediate products during benzocaine biodegradation by consortium HJ1 or HJ7. Methylobacillus (57.8 % ± 0.9 %) and Pseudomonas (22.1 % ± 0.7 %), which are thought to harbor essential species for benzocaine degradation, were significantly enriched in consortium HJ7. Two benzocaine-degrading strains, Pseudomonas sp. A8 and Microbacterium sp. A741, and one methyl 4-aminobenzoate-degrading strain, Achromobacter sp. A5, were isolated from consortium HJ7, and they synergistically mineralized benzocaine. These findings not only provide new insights into the biotransformation of benzocaine but also provide strain resources for the bioremediation of residual benzocaine in the environment.
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Affiliation(s)
- Junwei Huang
- College of Resources and Environment, Anhui Agricultural University, Anhui Provincial Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China
| | - Chen Yang
- College of Resources and Environment, Anhui Agricultural University, Anhui Provincial Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China
| | - Xiaohan Zhang
- College of Resources and Environment, Anhui Agricultural University, Anhui Provincial Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China
| | - Xiangwei Wu
- College of Resources and Environment, Anhui Agricultural University, Anhui Provincial Key Laboratory of Hazardous Factors and Risk Control of Agri-food Quality Safety, Hefei 230036, China.
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2
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Determination of Benzocaine in Pharmaceutical Formulations by Indirect SERRS Assay Combined with Azo Coupling. Molecules 2022; 27:molecules27144492. [PMID: 35889365 PMCID: PMC9321682 DOI: 10.3390/molecules27144492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/05/2022] [Accepted: 07/11/2022] [Indexed: 02/01/2023] Open
Abstract
Coupled with an azo coupling reaction, a simple, rapid, sensitive, and effective surface-enhanced resonance Raman scattering (SERRS) detection method for benzocaine was developed. In our study, benzocaine which is used clinically as a local anesthetic was derived with p-aminothiophenol into a corresponding azo product within 5 min, resulting in a strong SERRS response with the simple addition of Ag NPs excited with a 532 nm laser. The linear correlation between SERRS intensity of dominant bands and logarithm of benzocaine concentration was investigated for quantitative determination. The method reached a limit of detection (LOD) down to 0.139 and 0.0788 μg/mL calculated with two peak intensity ratios (I1568/I2260 and I1331/I2260), which is comparable to most studies reported previously, and meanwhile had superiority in simplicity and rapidness. The quantitative measurements for pharmaceutical preparations with benzocaine were conducted without complex extraction and enrichment processes. It was indicated that the SERRS assay combined with azo derivatization reaction has implications for practical applications in more complicated systems involving biological samples, in which appropriate and simplified pretreatments were conducted to remove interfering components.
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3
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Zhu X, Zhang Z, Wang X, Chen P, Chen Y, Fan K, Luo P, Yang R, Peng J. Internal dual-emissive carbon dots for double signal detection of procainamide. NEW J CHEM 2022. [DOI: 10.1039/d2nj02090d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We fabricated an internal dual-emission carbon dots using a facile hydrothermal treatment of eosin Y and ethylenediamine (EDA). The Y-CDs exhibit distinct double peaks at 384 and 520 nm on...
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4
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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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Mohamed AI, Rageh AH, Abdel‐aal FAM, Ali ABH. Pencil Graphite Electrode Decorated with Xylenol Orange Flakes for Studying Possible Pharmacokinetic Interaction Between Vardenafil and Daclatasvir. ELECTROANAL 2019. [DOI: 10.1002/elan.201900272] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Abdel‐Maaboud I. Mohamed
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Azza H. Rageh
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Fatma A. M. Abdel‐aal
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
| | - Al‐Montaser Bellah H. Ali
- Pharmaceutical Analytical Chemistry Department, Faculty of PharmacyAssiut University 71526 Assiut Egypt
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6
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Voltammetric sensing of minoxidil using a molecularly imprinted polymer (MIP)-modified carbon paste electrode. CHEMICAL PAPERS 2019. [DOI: 10.1007/s11696-019-00860-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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7
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Xiao S, He Y. Analysis of Sildenafil in Liquor and Health Wine Using Surface Enhanced Raman Spectroscopy. Int J Mol Sci 2019; 20:ijms20112722. [PMID: 31163601 PMCID: PMC6600386 DOI: 10.3390/ijms20112722] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 05/29/2019] [Accepted: 05/31/2019] [Indexed: 12/13/2022] Open
Abstract
The illegal adulteration of sildenafil in herbal food supplements and alcoholic drinks immensely threatens human health due to its harmful side-effects. Therefore, it is important to accurately detect and identify the presence of sildenafil in alcoholic drinks. In this study, Opto Trace Raman 202 (OTR 202) was used as surface enhanced Raman spectroscopy (SERS) active colloids to detect sildenafil. The results demonstrated that the Raman enhancement factor (EF) of OTR 202 colloids reached 1.84 × 107 and the limits of detection (LODs) of sildenafil in health wine and liquor were found to be as low as 0.1 mg/L. Moreover, the SERS peaks of 645, 814, 1235, 1401, 1530 and 1584 cm−1 could be qualitatively determined as sildenafil characteristic peaks and the relationship between Raman peak intensity and sildenafil concentration in health wine and liquor were different. There was a good linear correlation between Raman peak intensity, and sildenafil concentration in health wine ranged 0.1–1 mg/L (0.9687< R2 < 0.9891) and 1–10 mg/L (0.9701 < R2 < 0.9840), and in liquor ranged 0.1–1 mg/L (0.9662 < R2 < 0.9944) and 1–20 mg/L (0.9625 < R2 < 0.9922). The relative standard deviations (RSD) were less than 5.90% (sildenafil in health wine) and 9.16% (sildenafil in liquor). The recovery ranged 88.92–104.42% (sildenafil in health wine) and 90.09–104.55% (sildenafil in liquor). In general, the sildenafil in health wine and liquor could be rapidly and quantitatively determined using SERS technique, which offered a simple and accurate alternative for the determination of sildenafil in alcoholic drinks.
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Affiliation(s)
- Shupei Xiao
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Zhejiang University, Hangzhou 310058, China.
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Zhejiang University, Hangzhou 310058, China.
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8
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Beltifa A, Belaid A, Lo Turco V, Machreki M, Ben Mansour H, Di Bella G. Preliminary evaluation of plasticizer and BPA in Tunisian cosmetics and investigation of hazards on human skin cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2018; 28:491-501. [PMID: 30010399 DOI: 10.1080/09603123.2018.1489528] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
In this study, 18 plasticizer (phthalates, adipates, sebacates, and others) and BPA residues in some cosmetic samples collected from Tunisian market are evaluated by micro-matrix solid-phase dispersion combined with GC-MS. In parallel, the impact of these molecules and the cosmetics in the human epithelial cell lines is investigated. The cytotoxic activity of cosmetic extracts is evaluated in vitro against B16 and Hep-2 human skin cell lines using the 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyl tetrazolium bromide assay. This study shows that the tested cosmetic products could constitute a hazard to the consumer health and wellness and that strict safety analysis on cosmetic products needs to be carried out before they are marketed.
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Affiliation(s)
- Asma Beltifa
- a Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia , University of Monastir , Monastir , Tunisia
- b Faculté des Sciences Mathématiques , Physiques et Naturelles Université Tunis ElManar , Tunis , Tunisia
| | - Afifa Belaid
- a Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia , University of Monastir , Monastir , Tunisia
| | - Vincenzo Lo Turco
- c Dipartimento di Scienze Biomediche , Odontoiatriche e delle Immagini Morfologiche e Funzionali of the University of Messina , Messina , Italy
| | - Monia Machreki
- a Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia , University of Monastir , Monastir , Tunisia
| | - Hedi Ben Mansour
- a Research Unit of Analysis and Process Applied to Environmental -APAE UR17ES32 Higher Institute of Applied Sciences and Technology Mahdia , University of Monastir , Monastir , Tunisia
| | - Giuseppa Di Bella
- c Dipartimento di Scienze Biomediche , Odontoiatriche e delle Immagini Morfologiche e Funzionali of the University of Messina , Messina , Italy
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9
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Long WJ, Wu HL, Wang T, Xie LX, Hu Y, Fang H, Cheng L, Ding YJ, Yu RQ. Chemometrics-assisted liquid chromatography with full scan mass spectrometry for the interference-free determination of glucocorticoids illegally added to face masks. J Sep Sci 2018; 41:3527-3537. [PMID: 29882319 DOI: 10.1002/jssc.201800333] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/30/2018] [Accepted: 05/31/2018] [Indexed: 01/08/2023]
Affiliation(s)
- Wan-Jun Long
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Hai-Long Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Tong Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Li-Xia Xie
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Yong Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Huan Fang
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Li Cheng
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Yu-Jie Ding
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
| | - Ru-Qin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha P. R. China
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10
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García-Cruz E, Romero-Otero J, Fode M, Alcaraz A. The digital environment in men's sexual disorders: A systematic review. Actas Urol Esp 2018; 42:365-374. [PMID: 29102483 DOI: 10.1016/j.acuro.2017.05.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/15/2017] [Accepted: 05/16/2017] [Indexed: 01/23/2023]
Abstract
CONTEXT The revolution of digital technologies constitutes a new setting for the patient-physician relationship and provides patients with a scenario of privacy and universal access to a vast amount of information. However, there is little information on how digital resources are used and what their advantages and disadvantages are. OBJECTIVES To explore the scope of the scientific research on the use of digital technology related to men's sexual disorders and to analyze the primary sources of digital information related to this field. ACQUISITION OF EVIDENCE Systematic searches of the scientific literature, websites (10 first results in each google search) and mobile applications (apps). The searches combined the keywords "web" and "app" with "erectile dysfunction", "premature ejaculation", "Peyronie", "male hypogonadism", and "infertility". Websites and apps were assessed for quality according to predefined indicators. SYNTHESIS OF EVIDENCE The qualitative analysis of the scientific literature included 116 manuscripts; 47% were clinical studies based on online survey, 9% dealt with digital treatments, 11% with quality/safety of digital healthcare environment, 3% with digital activity, 21% with patient empowerment, and 9% with online drug selling. Of 50 websites assessed for quality, 29 (58%) scored 4 or 5 on a 5-point Likert scale. The app search yielded 40 apps; only 3 of them (8%) reported the identity of a health center or healthcare professional involved. CONCLUSIONS Patients and healthcare professionals may benefit from digital resources related to men's sexual disorders; however, a strong commitment by the scientific and healthcare community is essential to increase the quality of these resources.
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Affiliation(s)
- E García-Cruz
- Departmento de Urología, Hospital Plató, Barcelona, España; Departmento de Urología, Hospital Clínic de Barcelona, Barcelona, España; European Association of Urology's Young Academic Urologist's, Men's Health Group member.
| | - J Romero-Otero
- Departmento de Urología, Hospital Universitario 12 de octubre, Madrid, España
| | - M Fode
- Department of Urology, Roskilde Hospital, Roskilde, Dinamarca; Department of Urology, Herlev University Hospital, Herlev, Dinamarca
| | - A Alcaraz
- Departmento de Urología, Hospital Clínic de Barcelona, Barcelona, España
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11
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Meng X, Bai H, Guo T, Niu Z, Ma Q. Broad screening of illicit ingredients in cosmetics using ultra-high-performance liquid chromatography-hybrid quadrupole-Orbitrap mass spectrometry with customized accurate-mass database and mass spectral library. J Chromatogr A 2017; 1528:61-74. [DOI: 10.1016/j.chroma.2017.11.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 10/30/2017] [Accepted: 11/02/2017] [Indexed: 11/25/2022]
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12
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Liu D, Peng J, Liu S, Zhou M, Zhang J, Li A. Resonance Rayleigh scattering technique as a detection method for the RP-HPLC determination of local anaesthetics in human urine. LUMINESCENCE 2017; 32:4-10. [PMID: 27145989 DOI: 10.1002/bio.3140] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Revised: 03/08/2016] [Accepted: 03/11/2016] [Indexed: 11/08/2022]
Abstract
A highly selective and sensitive method of reversed phase high-performance liquid chromatography (RP-HPLC) coupled with resonance Rayleigh scattering (RRS) was developed for the determination of procaine, bupivacaine and tetracaine. Separation of three local anaesthetics was achieved at 35 °C on a C18 column. The mobile phase was 30: 70 (v/v) acetonitrile/triethylamine-phosphoric acid buffer (pH 2.9) at flow rate of 0.3 mL/min. The RRS detection was conducted by taking advantage of the strong RRS enhancement of the local anaesthetics with erythrosine reaction in an acidic medium. Under optimum conditions, the limit of detection (S/N = 3) values were in the range of 2.4-11.2 ng/mL. Recoveries from spiked human urine samples were 95.8%-104.5%. The proposed method applied to the determination of local anaesthetics in human urine achieved satisfactory results. In addition, the mechanism of the reaction is fully discussed. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Dan Liu
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
| | - Jingdong Peng
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
| | - Shaopu Liu
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
| | - Mingqiong Zhou
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
| | - Jing Zhang
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
| | - Aiping Li
- Education Ministry Key Laboratory on Luminescence and Real-Time Analysis, Chemistry and Chemical Engineering, Southwest University, Chongqing, People's Republic of China
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13
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Silva TD, Toledo CR, Vianna-Soares CD. Development and validation of alternative methods by non-aqueous acid-base titration and derivative ultraviolet spectrophotometry for quantification of sildenafil in raw material and tablets. BRAZ J PHARM SCI 2017. [DOI: 10.1590/s2175-97902017000115181] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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14
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Mohamed MA, Atty SA, Merey HA, Fattah TA, Foster CW, Banks CE. Titanium nanoparticles (TiO2)/graphene oxide nanosheets (GO): an electrochemical sensing platform for the sensitive and simultaneous determination of benzocaine in the presence of antipyrine. Analyst 2017; 142:3674-3679. [DOI: 10.1039/c7an01101f] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An effective electrochemical sensing platform for the simultaneous determination of benzocaine (BEN) and antipyrine (ANT).
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Affiliation(s)
- Mona A. Mohamed
- Pharmaceutical Chemistry Department
- National Organization for Drug Control and Research (NODCAR)
- Giza
- Egypt
| | - Shimaa A. Atty
- Pharmaceutical Chemistry Department
- National Organization for Drug Control and Research (NODCAR)
- Giza
- Egypt
| | - Hanan A. Merey
- Analytical Chemistry Department
- Faculty of Pharmacy
- Cairo University
- Cairo
- Egypt
| | - Taghreed A. Fattah
- Pharmaceutical Chemistry Department
- National Organization for Drug Control and Research (NODCAR)
- Giza
- Egypt
| | - Christopher W. Foster
- Faculty of Science and Engineering
- Manchester Metropolitan University
- Manchester M1 5GD
- UK
| | - Craig E. Banks
- Faculty of Science and Engineering
- Manchester Metropolitan University
- Manchester M1 5GD
- UK
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15
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Anodic stripping voltammetric determination of vardenafil hydrochloride at pencil graphite electrode. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2016. [DOI: 10.1007/s13738-016-1030-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Zhang J, Li Z, Zhou Z, Bai Y, Liu H. Rapid screening and quantification of glucocorticoids in essential oils using direct analysis in real time mass spectrometry. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2016; 30 Suppl 1:133-140. [PMID: 27539428 DOI: 10.1002/rcm.7639] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
RATIONALE There is a strong demand to develop a method capable of rapid screening for the adulteration of glucocorticoids (GCs) in cosmetics. An ambient ion source- direct analysis in real time (DART), coupled with quadrupole time of flight mass spectrometry (QTOF MS) was used for the rapid screening of GCs in essential oils. METHODS Liquid-liquid extraction was employed prior to the DART-QTOF MS analysis. Calibration curves for eight GCs were obtained using methyltestosterone as an internal standard. MS/MS experiments and accurate mass measurements were carried out to provide reliable and powerful evidence for the adulteration of targeted GCs. RESULTS Quantification results were obtained in terms of linearity (R(2) for all GCs, 0.986-0.996), sensitivity (limit of detection, 2.0-50 ng/mL), and repeatability (RSD, 1.2-6.0%). The entire analytical process can be finished in 5 min, compared with the GC/MS or LC/MS methods for which typical analysis times range from tens of minutes to >1 h. In addition, comparison of the performance of DART and ESI ion sources showed that DART possessed a relatively low matrix effect when handling complex samples. CONCLUSIONS A new method for the rapid screening and quantification of GCs in essential oils was developed using DART-QTOF MS. Copyright © 2016 John Wiley & Sons, Ltd.
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Affiliation(s)
- Jialing Zhang
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China
| | - Ze Li
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China
| | - Zhigui Zhou
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China
| | - Yu Bai
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China
| | - Huwei Liu
- Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, Institute of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P.R. China
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17
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Ma Q, Bai H, Li W, Wang C, Li X, Cooks RG, Ouyang Z. Direct identification of prohibited substances in cosmetics and foodstuffs using ambient ionization on a miniature mass spectrometry system. Anal Chim Acta 2016; 912:65-73. [PMID: 26920774 PMCID: PMC4769782 DOI: 10.1016/j.aca.2016.01.031] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 01/03/2016] [Accepted: 01/17/2016] [Indexed: 12/19/2022]
Abstract
Significantly simplified work flows were developed for rapid analysis of various types of cosmetic and foodstuff samples by employing a miniature mass spectrometry system and ambient ionization methods. A desktop Mini 12 ion trap mass spectrometer was coupled with paper spray ionization, extraction spray ionization and slug-flow microextraction for direct analysis of Sudan Reds, parabens, antibiotics, steroids, bisphenol and plasticizer from raw samples with complex matrices. Limits of detection as low as 5 μg/kg were obtained for target analytes. On-line derivatization was also implemented for analysis of steroid in cosmetics. The developed methods provide potential analytical possibility for outside-the-lab screening of cosmetics and foodstuff products for the presence of illegal substances.
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Affiliation(s)
- Qiang Ma
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China; Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Hua Bai
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Wentao Li
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Chao Wang
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - Xinshi Li
- Chinese Academy of Inspection and Quarantine, Beijing 100176, China
| | - R Graham Cooks
- Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; Center for Analytical Instrumentation Development, Purdue University, West Lafayette, IN 47907, USA
| | - Zheng Ouyang
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA; Department of Chemistry, Purdue University, West Lafayette, IN 47907, USA; Department of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA; Center for Analytical Instrumentation Development, Purdue University, West Lafayette, IN 47907, USA.
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Custers D, Krakowska B, De Beer JO, Courselle P, Daszykowski M, Apers S, Deconinck E. Testing of complementarity of PDA and MS detectors using chromatographic fingerprinting of genuine and counterfeit samples containing sildenafil citrate. Anal Bioanal Chem 2016; 408:1643-56. [PMID: 26753972 DOI: 10.1007/s00216-015-9275-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2015] [Revised: 12/09/2015] [Accepted: 12/15/2015] [Indexed: 11/25/2022]
Abstract
Counterfeit medicines are a global threat to public health. High amounts enter the European market, which is why characterization of these products is a very important issue. In this study, a high-performance liquid chromatography-photodiode array (HPLC-PDA) and high-performance liquid chromatography-mass spectrometry (HPLC-MS) method were developed for the analysis of genuine Viagra®, generic products of Viagra®, and counterfeit samples in order to obtain different types of fingerprints. These data were included in the chemometric data analysis, aiming to test whether PDA and MS are complementary detection techniques. The MS data comprise both MS1 and MS2 fingerprints; the PDA data consist of fingerprints measured at three different wavelengths, i.e., 254, 270, and 290 nm, and all possible combinations of these wavelengths. First, it was verified if both groups of fingerprints can discriminate between genuine, generic, and counterfeit medicines separately; next, it was studied if the obtained results could be ameliorated by combining both fingerprint types. This data analysis showed that MS1 does not provide suitable classification models since several genuines and generics are classified as counterfeits and vice versa. However, when analyzing the MS1_MS2 data in combination with partial least squares-discriminant analysis (PLS-DA), a perfect discrimination was obtained. When only using data measured at 254 nm, good classification models can be obtained by k nearest neighbors (kNN) and soft independent modelling of class analogy (SIMCA), which might be interesting for the characterization of counterfeit drugs in developing countries. However, in general, the combination of PDA and MS data (254 nm_MS1) is preferred due to less classification errors between the genuines/generics and counterfeits compared to PDA and MS data separately.
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Affiliation(s)
- Deborah Custers
- Division of Food, Medicines and Consumer Safety, Section Medicinal Products, Scientific Institute of Public Health (WIV-ISP), J. Wytsmanstraat 14, 1050, Brussels, Belgium
- Research group NatuRA (Natural products and Food - Research and Analysis), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Barbara Krakowska
- Institute of Chemistry, University of Silesia, 9 Szkolna Street, 40-006, Katowice, Poland
| | - Jacques O De Beer
- Division of Food, Medicines and Consumer Safety, Section Medicinal Products, Scientific Institute of Public Health (WIV-ISP), J. Wytsmanstraat 14, 1050, Brussels, Belgium
| | - Patricia Courselle
- Division of Food, Medicines and Consumer Safety, Section Medicinal Products, Scientific Institute of Public Health (WIV-ISP), J. Wytsmanstraat 14, 1050, Brussels, Belgium
| | - Michal Daszykowski
- Institute of Chemistry, University of Silesia, 9 Szkolna Street, 40-006, Katowice, Poland
| | - Sandra Apers
- Research group NatuRA (Natural products and Food - Research and Analysis), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Eric Deconinck
- Division of Food, Medicines and Consumer Safety, Section Medicinal Products, Scientific Institute of Public Health (WIV-ISP), J. Wytsmanstraat 14, 1050, Brussels, Belgium.
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Golubović JB, Otašević BM, Protić AD, Stanković AM, Zečević ML. Liquid chromatography/tandem mass spectrometry for simultaneous determination of undeclared corticosteroids in cosmetic creams. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 2015; 29:2319-2327. [PMID: 26563702 DOI: 10.1002/rcm.7403] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 09/19/2015] [Accepted: 09/20/2015] [Indexed: 06/05/2023]
Abstract
RATIONALE Undeclared corticosteroids in creams intended for frequent use might cause serious side-effects, especially in children. In order to prevent this or find the cause, it was essential to develop a method for quick detection and quantification of low levels of corticosteroids. METHODS Eleven corticosteroids were used in this study: prednisolone, methylprednisolone, prednisolone-21-acetate, fluocinolone acetonide, fluocinolone acetonide-21-acetate, hydrocortisone-21-acetate, dexamethasone, betamethasone, betamethasone dipropionate, clobetasol propionate and triamcinolone. Separation was achieved via liquid chromatography (LC), and mass spectrometric analysis was conducted by electrospray ionization triple-quadrupole mass spectrometry (MS/MS) in the multiple reaction monitoring mode using corticosterone as internal standard. RESULTS Good separation by using a gradient-elution LC/MS/MS method with run time of 25 min enabled the use of a segmented detection method and consecutive decrease in detection limits. The proposed method has been validated in the linearity range of 10-1000 ng/mL with coefficients of determination higher than 0.990. The method has shown to have very low limits of quantification (0.75-3 ng/mL) with satisfactory precision and accuracy for each of the corticosteroids. CONCLUSIONS An LC/MS/MS method for the rapid and simultaneous determination of low levels of eleven topical corticosteroids in creams was developed, optimized and validated. The proposed method can be used for testing of different products indicated for the treatment of atopic dermatitis, including "natural products", and "herbal creams" with "miraculous effects".
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Affiliation(s)
- Jelena B Golubović
- University of Belgrade-Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, Belgrade, Serbia
| | - Biljana M Otašević
- University of Belgrade-Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, Belgrade, Serbia
| | - Ana D Protić
- University of Belgrade-Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, Belgrade, Serbia
| | - Aleksandra M Stanković
- University of Belgrade-Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, Belgrade, Serbia
| | - Mira L Zečević
- University of Belgrade-Faculty of Pharmacy, Department of Drug Analysis, Vojvode Stepe 450, Belgrade, Serbia
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Bebawy LI, Elghobashy MR, Abbas SS, Shokry RF. Chromatographic Determination of Aminoacridine Hydrochloride, Lidocaine Hydrochloride and Lidocaine Toxic Impurity in Oral Gel. J Chromatogr Sci 2015; 54:492-9. [PMID: 26671412 DOI: 10.1093/chromsci/bmv170] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Indexed: 11/13/2022]
Abstract
Two sensitive and selective analytical methods were developed for simultaneous determination of aminoacridine hydrochloride and lidocaine hydrochloride in bulk powder and pharmaceutical formulation. Method A was based on HPLC separation of the cited drugs with determination of the toxic lidocaine-related impurity 2,6-dimethylaniline. The separation was achieved using reversed-phase column C18, 250 × 4.6 mm, 5 µm particle size and mobile phase consisting of 0.05 M disodium hydrogen phosphate dihydrate (pH 6.0 ± 0.2 adjusted with phosphoric acid) and acetonitrile (55 : 45, v/v). Quantitation was achieved with UV detection at 240 nm. Linear calibration curve was in the range of 1.00-10.00, 13.20-132.00 and 1.32-13.20 µg mL(-1) for aminoacridine hydrochloride, lidocaine hydrochloride and 2,6-dimethylaniline, respectively. Method B was based on TLC separation of the cited drugs followed by densitometric measurement at 365 nm on the fluorescent mode for aminoacridine hydrochloride and 220 nm on the absorption mode for lidocaine hydrochloride. The separation was carried out using ethyl acetate-methanol-acetic acid (65 : 30 : 5 by volume) as a developing system. The calibration curve was in the range of 25.00-250.00 ng spot(-1) and 0.99-9.90 µg spot(-1) for aminoacridine hydrochloride and lidocaine hydrochloride, respectively. The results obtained were statistically analyzed and compared with those obtained by applying the manufacturer's method.
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Affiliation(s)
- Lories I Bebawy
- National Organization for Drug Control and Research (NODCAR), 51 Wezaret El-Zeraa st. Dokki, Cairo, Egypt
| | - Mohamed R Elghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., 11562 Cairo, Egypt
| | - Samah S Abbas
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Kasr El-Aini St., 11562 Cairo, Egypt
| | - Rafeek F Shokry
- National Organization for Drug Control and Research (NODCAR), 51 Wezaret El-Zeraa st. Dokki, Cairo, Egypt
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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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Zhan J, Ni ML, Zhao HY, Ge XM, He XY, Yin JY, Yu XJ, Fan YM, Huang ZQ. Multiresidue analysis of 59 nonallowed substances and other contaminants in cosmetics. J Sep Sci 2014; 37:3684-90. [DOI: 10.1002/jssc.201400698] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Revised: 09/12/2014] [Accepted: 09/15/2014] [Indexed: 11/11/2022]
Affiliation(s)
- Jia Zhan
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Mei-lin Ni
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Hai-ying Zhao
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Xiao-ming Ge
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Xiao-yu He
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Ju-yi Yin
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Xue-jun Yu
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Yuan-mu Fan
- Ningbo Academy of Inspection and Quarantine of the P. R. China; Ningbo China
| | - Zhi-qiang Huang
- Hunan Academy of Inspection and Quarantine of the P. R. China; Changsha China
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Hashem H, Ibrahim AE, Elhenawee M. Chromatographic analysis of some drugs employed in erectile dysfunction therapy: Qualitative and quantitative studies using calixarene stationary phase. J Sep Sci 2014; 37:2814-24. [DOI: 10.1002/jssc.201400276] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2014] [Revised: 06/28/2014] [Accepted: 07/04/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Hisham Hashem
- Department of Pharmaceutical Analytical Chemistry; Faculty of Pharmacy; Zagazig University; Egypt
- Department of Pharmaceutical Chemistry; Faculty of Pharmacy; Jazan University; Saudi Arabia
| | - Adel Ehab Ibrahim
- Egyptian International Pharmaceutical Industries Co. “EIPICo”; Tenth of Ramadan City Egypt
| | - Magda Elhenawee
- Department of Pharmaceutical Analytical Chemistry; Faculty of Pharmacy; Zagazig University; Egypt
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Ašperger D, Tišler V, Zrnčić M, Mutavdžić Pavlović D, Babić S, Horvat AJM, Kaštelan-Macan M. HPLC–DAD–FLD Determination of Veterinary Pharmaceuticals in Pharmaceutical Industry Wastewater with Precolumn Derivatization Using Fluorescamine. Chromatographia 2014. [DOI: 10.1007/s10337-014-2685-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Nickum EA, Flurer CL. Determination of Phosphodiesterase-5 Inhibitors and Analogs Using High-Performance Liquid Chromatography with Ultraviolet Detection. J Chromatogr Sci 2014; 53:38-46. [DOI: 10.1093/chromsci/bmu010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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26
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Fiori J, Andrisano V. LC–MS method for the simultaneous determination of six glucocorticoids in pharmaceutical formulations and counterfeit cosmetic products. J Pharm Biomed Anal 2014; 91:185-92. [DOI: 10.1016/j.jpba.2013.12.026] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Revised: 12/20/2013] [Accepted: 12/21/2013] [Indexed: 01/14/2023]
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27
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Chen FF, Xie XY, Shi YP. Magnetic molecularly imprinted polymer for the selective extraction of sildenafil, vardenafil and their analogs from herbal medicines. Talanta 2013; 115:482-9. [DOI: 10.1016/j.talanta.2013.06.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/05/2013] [Accepted: 06/10/2013] [Indexed: 11/24/2022]
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Poplawska M, Blazewicz A, Bukowinska K, Fijalek Z. Application of high-performance liquid chromatography with charged aerosol detection for universal quantitation of undeclared phosphodiesterase-5 inhibitors in herbal dietary supplements. J Pharm Biomed Anal 2013; 84:232-43. [DOI: 10.1016/j.jpba.2013.06.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2013] [Revised: 06/11/2013] [Accepted: 06/14/2013] [Indexed: 10/26/2022]
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Detection and validated quantification of the phosphodiesterase type 5 inhibitors sildenafil, vardenafil, tadalafil, and 2 of their metabolites in human blood plasma by LC-MS/MS--application to forensic and therapeutic drug monitoring cases. Ther Drug Monit 2013; 34:729-35. [PMID: 23128911 DOI: 10.1097/ftd.0b013e31827318b8] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Phosphodiesterase type 5 inhibitors such as sildenafil, vardenafil, and tadalafil are a class of drugs used primarily in the treatment of erectile dysfunction. Sildenafil and tadalafil are also approved for the treatment of pulmonary hypertension. The aim of this study was to develop and validate a procedure for the detection and quantification of these 3 drugs and some of their metabolites in human blood plasma. METHODS After liquid-liquid extraction of 0.5 mL of blood plasma using diethyl ether-ethyl acetate (1:1), the analytes sildenafil, norsildenafil, vardenafil, norvardenafil, and tadalafil were separated using a Shimadzu Prominence High-Performance Liquid Chromatography System (C18 separation column, gradient elution, and a total flow of 0.5 mL/min). They were detected using an AB Sciex 3200 Q-Trap LC-MS-MS System (electrospray ionization and multiple reaction monitoring mode). The method was fully validated according to international guidelines. RESULTS The assay was found to be selective for the tested compounds. It was linear from 5 to 1000 ng/mL for sildenafil, from 2 to 700 ng/mL for norsildenafil, from 0.5 to 350 ng/mL for vardenafil, from 0.5 to 200 ng/mL for norvardenafil, and from 5 to 1000 ng/mL for tadalafil. The recoveries were generally more than 50%. Matrix effects were not observed. Accuracy, repeatability, and intermediate precision were within the required limits (<15% or <20% near the limit of quantification). No instability was observed after repeated freezing and thawing or in processed samples. CONCLUSIONS A liquid chromatography-tandem mass spectrometry assay for the determination of sildenafil, norsildenafil, vardenafil, norvardenafil, and tadalafil in human blood plasma was developed and validated. It has proven to be selective, linear, accurate, and precise for all studied drugs. The method has also proven to be applicable for forensic cases and for therapeutic drug monitoring.
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Codevilla CF, Castilhos TDS, Bergold AM. A review of analytical methods for the determination of four new phosphodiesterase type 5 inhibitors in biological samples and pharmaceutical preparations. BRAZ J PHARM SCI 2013. [DOI: 10.1590/s1984-82502013000100002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The introduction of oral phosphodiesterase type 5 inhibitor therapy in 1998 revolutionized the treatment of erectile dysfunction. Erectile dysfunction is the most common sexual problem in men. It often has a profound effect on intimate relationships and quality of life. The analysis of pharmaceuticals is an important part of the drug development process as well as for routine analysis and quality control of commercial formulations. Whereas the determination of sildenafil citrate, vardenafil and tadalafil are well documented by a variety of methods, there are few publications about the determination of udenafil, lodenafil carbonate, mirodenafil and avanafil. The paper presents a brief review of the action mechanism, adverse effects, pharmacokinetics and the most recent analytical methods that can determine drug concentration in biological matrices and pharmaceutical formulations of these four drugs.
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Deconinck E, Sacre PY, Courselle P, De Beer JO. Chromatography in the Detection and Characterization of Illegal Pharmaceutical Preparations. J Chromatogr Sci 2013; 51:791-806. [DOI: 10.1093/chromsci/bmt006] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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32
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Patterson R, Mabe P, Mitchell EN, Cory W. Lifestyle illicit drug seizures: A routine ESI–LC–MS method for the identification of sildenafil and vardenafil. Forensic Sci Int 2012; 222:83-8. [DOI: 10.1016/j.forsciint.2012.05.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2011] [Revised: 04/25/2012] [Accepted: 05/04/2012] [Indexed: 10/28/2022]
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Kang M, Sun S, Li N, Zhang D, Chen M, Zhang H. Extraction and determination of hormones in cosmetics by homogeneous ionic liquid microextraction high-performance liquid chromatography. J Sep Sci 2012; 35:2032-9. [DOI: 10.1002/jssc.201200206] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Shuo Sun
- College of Chemistry; Jilin University; Changchun; P. R. China
| | - Na Li
- College of Chemistry; Jilin University; Changchun; P. R. China
| | - Daihui Zhang
- College of Chemistry; Jilin University; Changchun; P. R. China
| | - Mingyan Chen
- College of Chemistry; Jilin University; Changchun; P. R. China
| | - Hanqi Zhang
- College of Chemistry; Jilin University; Changchun; P. R. China
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Park SR, Lee JG, Roh SH, Kim G, Kwon CH, Park HR, Kwon KS, Kim D, Kwon SW. Determination of PDE-5 inhibitors and appetite suppressants in adulterated dietary supplements using LC/PDA and LC/MS. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2012; 5:29-32. [DOI: 10.1080/19393210.2012.656706] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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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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Rotolo MC, Pellegrini M, Bose D, Marchei E, Durgbanshi A, Pichini S. Systematic toxicological analysis of Indian herbal ready-to-chew pouches by gas chromatography mass spectrometry. ACTA ACUST UNITED AC 2011. [DOI: 10.1051/ata/2011127] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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37
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Papoutsis I, Nikolaou P, Athanaselis S, Alevizopoulos G, Pistos C, Paraskevopoulou C, Spiliopoulou C. Development and validation of a gas chromatography-mass spectrometric method for the determination of sildenafil and desmethyl-sildenafil in whole blood. J Sep Sci 2011; 34:3037-42. [DOI: 10.1002/jssc.201100496] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Revised: 07/19/2011] [Accepted: 07/22/2011] [Indexed: 11/10/2022]
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38
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Sacré PY, Deconinck E, Chiap P, Crommen J, Mansion F, Rozet E, Courselle P, De Beer JO. Development and validation of a ultra-high-performance liquid chromatography-UV method for the detection and quantification of erectile dysfunction drugs and some of their analogues found in counterfeit medicines. J Chromatogr A 2011; 1218:6439-47. [DOI: 10.1016/j.chroma.2011.07.029] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2011] [Revised: 06/27/2011] [Accepted: 07/11/2011] [Indexed: 11/28/2022]
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39
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Bunaciu AA, El Nashar RM, Aboul-Enein HY. Mini Review: Determination of Sildenafil Citrate in Pharmaceutical Prepaprations. ANAL LETT 2011. [DOI: 10.1080/00032719.2010.546019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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40
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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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Affiliation(s)
- R. K. Gilpin
- Department of Chemistry, Wright State University, Dayton, Ohio 45435, United States
| | - C. S. Gilpin
- Select-O-Sep, LLC, 111 West Main Street, Freeport, Ohio 43973, United States
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Nam YS, Kwon IK, Lee KB. Monitoring of clobetasol propionate and betamethasone dipropionate as undeclared steroids in cosmetic products manufactured in Korea. Forensic Sci Int 2011; 210:144-8. [PMID: 21474261 DOI: 10.1016/j.forsciint.2011.02.027] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2010] [Revised: 02/21/2011] [Accepted: 02/26/2011] [Indexed: 11/16/2022]
Abstract
Some cosmetic products manufactured in Korea have been suspected to contain anti-inflammatory corticosteroids, such as clobetasol propionate and betamethasone dipropionate, for the treatment of eczema, seborrhea and psoriasis, without any indication on the label of the cosmetic products. Due to their severe side effects, such as permanent skin atopy, these two corticosteroids in cosmetic products need to be monitored from a forensic point of view. Cosmetic product samples (number of samples=47) of manufacturers charged by consumers have been collected in local and online markets of Korea, and they were validated and analyzed by a simple high performance liquid chromatography (HPLC) method with ultraviolet diode array (UV-DAD). LC-MS/MS and LC-MS were used to confirm these steroids in cosmetic samples with diagnostic ions (m/z) and isotope ratio. Linearity was studied with 0.5-10μg/mL range in both steroids. Good correlation coefficients (r(2)≥0.999) were found, and their limits of quantifications were 0.59μg/mL and 0.66μg/mL in clobetasol propionate and betamethasone dipropionate, respectively. At three different concentrations spanning the linear dynamic ranges, mean recoveries were always higher than 93%, and precisions for intra-day and inter-day analyses were both less than 3.5%. The results show 32-96.4μg/g levels of clobetasol propionate in five different cosmetic products. Also, betamethasone dipropionate in a sample was monitored at the level of 195.1μg/g. This fact reveals that some manufacturers have added these steroids in their cosmetic products to advertise the treatment effect for skin atopy. Thus, these cosmetic products need to be monitored carefully, and ultimately removed from the market.
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Affiliation(s)
- Yun Sik Nam
- Advanced Analysis Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryangri, Seoul 136-791, Republic of Korea
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Lee HM, Lee BJ. A novel approach to simultaneous screening and confirmation of regulated pharmaceutical compounds in dietary supplements by LC/MS/MS with an information-dependent acquisition method. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2011; 28:396-407. [DOI: 10.1080/19440049.2011.551947] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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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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Papoutsis I, Nikolaou P, Athanaselis S, Pistos C, Maravelias C, Spiliopoulou C. A fully validated method for the determination of vardenafil in blood using gas chromatography/mass spectrometry. JOURNAL OF MASS SPECTROMETRY : JMS 2011; 46:71-76. [PMID: 21184398 DOI: 10.1002/jms.1868] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Vardenafil (VDN) is one of the three commercially available phosphodiesterase type 5 inhibitors and it is mainly used in the treatment of erectile dysfunction. A sensitive and specific gas chromatography/mass spectrometry (GC/MS) method for the determination of VDN in blood has been developed and validated. Sample preparation included solid-phase extraction and derivatization with N-methyl-N-tert-butyldimethylsilyl-trifluoroacetamide (MTBSTFA) and 1% tert-butyldimethylsilylchloride (TBDMSCl). Protriptyline was used as the internal standard for this assay. Limits of detection and quantification for VDN were 0.70 and 2.00 µg/l, respectively. The calibration curves were linear within the dynamic range 2.00-200.0 µg/l with a correlation coefficient higher than 0.991. Absolute recovery ranged from 88.6% to 95.7% for the analyte of interest at three quality control levels. Intra- and inter-day accuracy was found to be between - 6.1% to 10.8% and - 9.3% to 11.6%, respectively, whereas intra- and inter-day precision was < 7.8% and 9.7%, correspondingly. The proposed method is the first fully validated GC/MS method for the determination of VDN in blood samples and it can be used in routine every day analysis by clinical and forensic laboratories for pharmacokinetic studies, for therapeutic drug level monitoring or for the investigation of related forensic cases. A few blood samples analyzed using the developed method is reported herein to demonstrate the suitability of the method.
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Affiliation(s)
- Ioannis Papoutsis
- Department of Forensic Medicine and Toxicology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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