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Zirconium Molybdate Nanocomposites’ Sensing Platform for the Sensitive and Selective Electrochemical Detection of Adefovir. Molecules 2022; 27:molecules27186022. [PMID: 36144756 PMCID: PMC9503393 DOI: 10.3390/molecules27186022] [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: 09/01/2022] [Revised: 09/11/2022] [Accepted: 09/12/2022] [Indexed: 11/26/2022] Open
Abstract
Adefovir (ADV) is an anti-retroviral drug, which can be used to treat acquired immune deficiency syndrome (AIDS) and chronic hepatitis B (CHB), so its quantitative analysis is of great significance. In this work, zirconium molybdate (ZrMo2O8) was synthesized by a wet chemical method, and a composite with multi-walled carbon nanotubes (MWCNTs) was made. ZrMo2O8-MWCNTs composite was dropped onto the surface of a glassy carbon electrode (GCE) to prepare ZrMo2O8-MWCNTs/GCE, and ZrMo2O8-MWCNTs/GCE was used in the electrochemical detection of ADV for the first time. The preparation method is fast and simple. The materials were characterized by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and cyclic voltammetry (CV). It was electrochemically analysed by differential pulse voltammetry (DPV). Compared with single-material modified electrodes, ZrMo2O8-MWCNTs/GCE showed a vastly improved electrochemical response to ADV. Moreover, the sensor complements the study of the electrochemical detection of ADV. Under optimal conditions, the proposed electrochemical method showed a wide linear range (from 1 to 100 μM) and a low detection limit (0.253 μM). It was successfully tested in serum and urine. In addition, the sensor has the advantages of a simple preparation, fast response, good reproducibility and repeatability. It may be helpful in the potential applications of other substances with similar structures.
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Scherf-Clavel O, Kinzig M, Stoffel MS, Fuhr U, Sörgel F. Quantification of adefovir and pitavastatin in human plasma and urine by LC-MS/MS: A useful tool for drug-drug interaction studies. J Chromatogr B Analyt Technol Biomed Life Sci 2019; 1125:121718. [DOI: 10.1016/j.jchromb.2019.121718] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 07/01/2019] [Accepted: 07/13/2019] [Indexed: 01/05/2023]
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Dorraji PS, Noori M, Fotouhi L. Voltammetric determination of adefovir dipivoxil by using a nanocomposite prepared from molecularly imprinted poly(o-phenylenediamine), multi-walled carbon nanotubes and carbon nitride. Mikrochim Acta 2019; 186:427. [PMID: 31187299 DOI: 10.1007/s00604-019-3538-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Accepted: 05/22/2019] [Indexed: 11/27/2022]
Abstract
An electrochemical sensor for adefovir dipivoxil (ADV) detection was prepared by electropolymerization of o-phenylenediamine in the presence of ADV on a glassy carbon electrode modified with multi-walled carbon nanotubes and carbon nitride. The electrode was characterized by field emission scanning electron microscopy and differential pulse voltammetry. The performance was optimized by response surface methodology. The changes in differential pulse voltammetric peak currents of the redox probe, ferricyanide, were linear to ADV concentrations in the range from 0.1 to 9.9 μmol L-1, with the detection limit of 0.05 μmol L-1 (S/N = 3). The sensor was applied to the determination of ADV in drug formulations, human serum and urine samples. It is selective due to the use of an imprinted material, well reproducible, long-term stable, and regenerable. Graphical abstract By merging the unique properties of carbon nitride with intrinsic properties of MWCNTs, and molecularly imprinted polymers, a novel electrochemical sensor with selective binding sites was prepared for determination of adefovir dipivoxil in pharmaceutical and biological samples.
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Affiliation(s)
- Parisa Seyed Dorraji
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P.O. Box 1993891176, Tehran, Iran
| | - Marzieh Noori
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P.O. Box 1993891176, Tehran, Iran
| | - Lida Fotouhi
- Department of Chemistry, Faculty of Physics and Chemistry, Alzahra University, P.O. Box 1993891176, Tehran, Iran.
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Magotra A, Sharma A, Gupta AP, Wazir P, Sharma S, Singh PP, Tikoo MK, Vishwakarma RA, Singh G, Nandi U. Development and validation of a highly sensitive LC-ESI-MS/MS method for estimation of IIIM-MCD-211, a novel nitrofuranyl methyl piperazine derivative with potential activity against tuberculosis: Application to drug development. J Chromatogr B Analyt Technol Biomed Life Sci 2017. [PMID: 28623772 DOI: 10.1016/j.jchromb.2017.06.015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In the present study, a simple, sensitive, specific and rapid liquid chromatography (LC) tandem mass spectrometry (MS/MS) method was developed and validated according to the Food and Drug Administration (FDA) guidelines for estimation of IIIM-MCD-211 (a potent oral candidate with promising action against tuberculosis) in mice plasma using carbamazepine as internal standard (IS). Bioanalytical method consisted of one step protein precipitation for sample preparation followed by quantitation in LC-MS/MS using positive electrospray ionization technique (ESI) operating in multiple reaction monitoring (MRM) mode. Elution was achieved in gradient mode on High Resolution Chromolith RP-18e column with mobile phase comprised of acetonitrile and 0.1% (v/v) formic acid in water at the flow rate of 0.4mL/min. Precursor to product ion transitions (m/z 344.5/218.4 and m/z 237.3/194.2) were used to measure analyte and IS, respectively. All validation parameters were well within the limit of acceptance criteria. The method was successfully applied to assess the pharmacokinetics of the candidate in mice following oral (10mg/kg) and intravenous (IV; 2.5mg/kg) administration. It was also effectively used to quantitate metabolic stability of the compound in mouse liver microsomes (MLM) and human liver microsomes (HLM) followed by its in-vitro-in-vivo extrapolation.
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Affiliation(s)
- Asmita Magotra
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Anjna Sharma
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India; Academy of Scientific and Innovative Research (AcSIR), CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Ajai Prakash Gupta
- Quality Control and Quality Analysis Division, CSIR- Indian Institute of Integrative Medicine, Jammu, J&K, 180 001, India
| | - Priya Wazir
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Shweta Sharma
- Medicinal Chemistry Division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Parvinder Pal Singh
- Medicinal Chemistry Division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Manoj Kumar Tikoo
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India
| | - Ram A Vishwakarma
- Director, CSIR-Indian Institute of Integrative Medicine, anal Road, Jammu 180001, J&K, India
| | - Gurdarshan Singh
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India.
| | - Utpal Nandi
- PK-PD, Toxicology and Formulation division, CSIR- Indian Institute of Integrative Medicine, Jammu 180 001, India.
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A novel pretreatment method combining sealing technique with direct injection technique applied for improving biosafety. Bioanalysis 2017; 9:173-182. [PMID: 27960549 DOI: 10.4155/bio-2016-0154] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
AIM People today have a stronger interest in the risk of biosafety in clinical bioanalysis. A safe, simple, effective method of preparation is needed urgently. METHODOLOGY/RESULTS To improve biosafety of clinical analysis, we used antiviral drugs of adefovir and tenofovir as model drugs and developed a safe pretreatment method combining sealing technique with direct injection technique. The inter- and intraday precision (RSD %) of the method were <4%, and the extraction recoveries ranged from 99.4 to 100.7%. Meanwhile, the results showed that standard solution could be used to prepare calibration curve instead of spiking plasma, acquiring more accuracy result. CONCLUSION/DISCUSSION Compared with traditional methods, the novel method not only improved biosecurity of the pretreatment method significantly, but also achieved several advantages including higher precision, favorable sensitivity and satisfactory recovery. With these highly practical and desirable characteristics, the novel method may become a feasible platform in bioanalysis.
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Zhang Y, Shen L, Zhan Y, Xiao QQ, Yang J. Development and Validation of a Sensitive LC-MS-MS Method for the Determination of Adefovir in Human Serum and Urine: Application to a Clinical Pharmacokinetic Study. J Chromatogr Sci 2015; 54:507-15. [PMID: 26657410 DOI: 10.1093/chromsci/bmv172] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Indexed: 11/13/2022]
Abstract
A rapid and sensitive liquid chromatography-tandem mass spectrometry method was developed and validated for the quantification of adefovir (PMEA,9-(2-phosphonylmethoxyethyl) adenine) concentration in human serum and urine. The analysis was performed on a negative ionization electrospray mass spectrometer via multiple reaction monitoring. The monitored transitions were set at m/z 272.0 → 134.0 and m/z 276.0 → 149.8 for PMEA and internal standard, respectively. After protein precipitation, samples were separated by high-performance liquid chromatography on a reversed-phase Dikma Diamonsil C18 (250 × 4.6 mm; 5 µm) column with a mobile phase of 0.1 mM ammonium formate buffer-methanol. The calibration curves were linear over the serum concentration range 0.5-1,000 ng/mL and urine concentration range 2.0-1,000 ng/mL. The intra- and interday precision values of PMEA in both serum and urine were lower than 18.16% for low quality control and 13.70% for medium and high quality control. The accuracy, recovery, matrix factor and stability were also within the acceptable limits. The developed method was successfully applied to the pharmacokinetic study of following oral administration of single dose of pradefovir mesylate (10, 30, 60, 90 and 120 mg) and adefovir dipivoxil (10 mg) to healthy Chinese volunteers.
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Affiliation(s)
- Ye Zhang
- Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, China
| | - Lu Shen
- Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, China
| | - Ying Zhan
- Department of Pharmacy, Zhongda Hospital of Southeast University, No. 87 Ding Jia Qiao, Nanjing 210009, China
| | - Qing-Qing Xiao
- Department of Clinical Pharmacy, China Pharmaceutical University, No. 24 Tong Jia Xiang, Nanjing 210009, China
| | - Jin Yang
- Center of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, China
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Goswami D, Gurule S, Saha A, Vats P, Khuroo A, Monif T. Liquid chromatography-tandem mass spectrometry method for the estimation of adefovir in human plasma: Application to a pharmacokinetic study. J Pharm Anal 2015; 5:190-199. [PMID: 29403931 PMCID: PMC5762195 DOI: 10.1016/j.jpha.2014.08.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2013] [Revised: 07/25/2014] [Accepted: 08/04/2014] [Indexed: 02/05/2023] Open
Abstract
An analytical method based on solid phase extraction was developed and validated for analysis of adefovir in human plasma. Adefovir-d4 was used as an internal standard and Synergi MAX RP80A (150 mm×4.6 mm, 4 µm) column provided the desired chromatographic separation of compounds followed by detection with mass spectrometry. The method used simple isocratic chromatographic condition and mass spectrometric detection in the positive ionization mode. The calibration curves were linear over the range of 0.50-42.47 ng/mL with the lower limit of quantitation validated at 0.50 ng/mL. Matrix effect was assessed by post-column infusion experiment to monitor phospholipids and post-extraction addition experiment was performed. The degree of matrix effect for adefovir was determined as 7.5% and ion-enhancement in five different lots of human plasma was 7.1% and had no impact on study samples analysis with 4.5 min run time. The intra- and inter-day precision values were within 7.7% and 7.8%, respectively, for adefovir at the lower limit of quantification level. Validated bioanalytical method was successfully applied to clinical sample analysis.
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Affiliation(s)
- Dipanjan Goswami
- Sun Pharmaceutical industries Ltd., Plot No. GP-5, Sector-18, Gurgaon-122015, Haryana, India
| | - Sanjay Gurule
- Department of Clinical Pharmacology and Pharmacokinetics, Ranbaxy Laboratories, Ltd., HSIDC, GP-5, Old Delhi Gurgaon Road, Udyog Vihar Industrial Area, Gurgaon 122 015, Haryana, India
| | - Arabinda Saha
- Department of Clinical Pharmacology and Pharmacokinetics, Ranbaxy Laboratories, Ltd., HSIDC, GP-5, Old Delhi Gurgaon Road, Udyog Vihar Industrial Area, Gurgaon 122 015, Haryana, India
| | - Poonam Vats
- Department of Clinical Pharmacology and Pharmacokinetics, Ranbaxy Laboratories, Ltd., HSIDC, GP-5, Old Delhi Gurgaon Road, Udyog Vihar Industrial Area, Gurgaon 122 015, Haryana, India
| | - Arshad Khuroo
- Department of Clinical Pharmacology and Pharmacokinetics, Ranbaxy Laboratories, Ltd., HSIDC, GP-5, Old Delhi Gurgaon Road, Udyog Vihar Industrial Area, Gurgaon 122 015, Haryana, India
| | - Tausif Monif
- Department of Clinical Pharmacology and Pharmacokinetics, Ranbaxy Laboratories, Ltd., HSIDC, GP-5, Old Delhi Gurgaon Road, Udyog Vihar Industrial Area, Gurgaon 122 015, Haryana, India
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Pourfarzib M, Dinarvand R, Akbari-adergani B, Mehramizi A, Rastegar H, Shekarchi M. Water-compatible molecularly imprinted polymer as a sorbent for the selective extraction and purification of adefovir from human serum and urine. J Sep Sci 2015; 38:1755-62. [DOI: 10.1002/jssc.201401492] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 02/26/2015] [Accepted: 02/28/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Mojgan Pourfarzib
- Water Safety Research Center, Food and Drug Laboratory Research Center; Food and Drug Control Laboratories, MOH ME; Tehran Iran
- Nanotechnology Research Center, Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - Rasoul Dinarvand
- Nanotechnology Research Center, Faculty of Pharmacy; Tehran University of Medical Sciences; Tehran Iran
| | - Behrouz Akbari-adergani
- Water Safety Research Center, Food and Drug Laboratory Research Center; Food and Drug Control Laboratories, MOH ME; Tehran Iran
| | | | - Hossein Rastegar
- Water Safety Research Center, Food and Drug Laboratory Research Center; Food and Drug Control Laboratories, MOH ME; Tehran Iran
| | - Maryam Shekarchi
- Water Safety Research Center, Food and Drug Laboratory Research Center; Food and Drug Control Laboratories, MOH ME; Tehran Iran
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Agrahari V, Youan BBC. Sensitive and rapid HPLC quantification of tenofovir from hyaluronic acid-based nanomedicine. AAPS PharmSciTech 2012; 13:202-10. [PMID: 22215290 DOI: 10.1208/s12249-011-9735-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2011] [Accepted: 11/21/2011] [Indexed: 11/30/2022] Open
Abstract
The purpose of this study was to develop and validate a rapid, sensitive, and specific reversed-phase high-performance liquid chromatography method for the quantitative determination of native tenofovir (TNF) for various applications. Different analytical performance parameters such as linearity, precision, accuracy, limit of quantification (LOQ), limit of detection (LOD), and robustness were determined according to International Conference on Harmonization (ICH) guidelines. A Bridge™ C18 column (150 × 4.6 mm, 5 μm) was used as stationary phase. The retention time of TNF was 1.54 ± 0.03 min (n = 6). The assay was linear over the concentration range of 0.1-10 μg/mL. The proposed method was sensitive with LOD and LOQ values equal to 50 and 100 ng/mL, respectively. The method was accurate with percent mean recovery from 95.41% to 102.90% and precise as percent RSD (relative standard deviation) values for intra-day, and inter-day precision were less than 2%. This method was utilized for the estimation of molar absorptivity of TNF at 259 nm (ε(259) = 12,518 L/mol/cm), calculated from linear regression analysis. The method was applied for determination of percentage of encapsulation efficiency (22.93 ± 0.04%), drug loading (12.25 ± 1.03%), in vitro drug release profile in the presence of enzyme (43% release in the first 3 h) and purification analysis of hyaluronic acid-based nanomedicine.
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Voltammetric quantification of anti-hepatitis drug Adefovir in biological matrix and pharmaceutical formulation. J Pharm Anal 2011; 2:98-104. [PMID: 29403728 PMCID: PMC5760835 DOI: 10.1016/j.jpha.2011.10.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2011] [Accepted: 10/17/2011] [Indexed: 11/30/2022] Open
Abstract
Electrochemical reduction behavior of Adefovir was studied using Hanging Mercury Drop Electrode (HMDE) in Britton–Robinson (BR) buffer solution. Voltammetric study showed one well-defined reduction peak in the potential range −1.2 to −1.4 V (vs. Ag/AgCl) due to reduction of C=N bond of the imidazole ring. Solid-phase extraction and protein-precipitation techniques were employed for extraction of Adefovir from human plasma. The proposed method allows quantification of Adefovir in human plasma over the concentration range 0.50–5.00 μg/mL with the detection limit 0.17 μg/mL, whereas in pharmaceutical formulation 0.25–2.25 μg/mL with the detection limit 0.08 μg/mL.
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Xiong Z, Zhang Y, Qin F, Qin T, Yang S, Li F. Hydrophilic interaction liquid chromatography–tandem mass spectrometry for the determination of adefovir in human plasma and its application to a pharmacokinetic study. J Chromatogr B Analyt Technol Biomed Life Sci 2010; 878:2111-6. [DOI: 10.1016/j.jchromb.2010.06.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2010] [Revised: 06/17/2010] [Accepted: 06/18/2010] [Indexed: 12/01/2022]
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Müller DM, Rentsch KM. Therapeutic drug monitoring by LC–MS–MS with special focus on anti-infective drugs. Anal Bioanal Chem 2010; 398:2573-94. [DOI: 10.1007/s00216-010-3986-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2010] [Revised: 06/27/2010] [Accepted: 06/29/2010] [Indexed: 10/19/2022]
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Xie HT, Wang GJ, Xu MJ, Jia YW, Li H, Sun JG, Li P. A New LC–MS–MS Method for Quantitative Analysis of Adefovir, and Its Use for Pharmacokinetic Studies in Healthy Chinese Volunteers. Chromatographia 2010. [DOI: 10.1365/s10337-010-1474-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Bose A, Bhaumik U, Ghosh A, Chatterjee B, Chakrabarty US, Sarkar AK, Pal TK. LC–MS Simultaneous Determination of Itopride Hydrochloride and Domperidone in Human Plasma. Chromatographia 2009. [DOI: 10.1365/s10337-009-1032-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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