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Narimani S, Samadi N, Delnavaz E. Highly sensitive and novel dual-emission fluorescence nanosensor utilizing hybrid carbon dots-quantum dots for ratiometric determination of chlorpromazine. ANAL SCI 2024; 40:1521-1528. [PMID: 38740714 DOI: 10.1007/s44211-024-00591-x] [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: 02/28/2024] [Accepted: 04/24/2024] [Indexed: 05/16/2024]
Abstract
Herein, a ratiometric fluorimetric nanosensor is introduced for the sensitive and selective analysis of chlorpromazine (CPZ) via employing blue-emitting B-doped carbon dots (B-CDs) as the reference fluorophore and green-emitting CdTe capped thioglycolic acid (TGA) quantum dots (TGA-CdTe-QDs) as the specific recognition probe. The sensor exhibits dual emission centered at 440 and 560 nm, under a single excitation wavelength of 340 nm. Upon the addition of ultra-trace amount of CPZ, the fluorescence signal of TGA-CdTe-QDs declines due to electron transfer process from excited TGA-CdTe-QDs to CPZ molecules, whereas the fluorescence peak of B-CDs is unaffected. Therefore, a new fluorimetric platform was prepared for the assay of CPZ in the range of 2.2 × 10-10 to 5.0 × 10-9 M with a detection limit of 1.3 × 10-10 M. Moreover, the practicability of the designed strategy was investigated for the detection of CPZ in biological samples and the results demonstrate that it possesses considerable potential to be utilized in practical applications.
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Affiliation(s)
- Saeedeh Narimani
- Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran.
| | - Naser Samadi
- Department of Analytical Chemistry, Faculty of Chemistry, Urmia University, Urmia, Iran
| | - Elnaz Delnavaz
- Department of Analytical Chemistry, Faculty of Chemistry, Tabriz University, Tabriz, Iran
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Kul A, Sagirli O. A new method for the therapeutic drug monitoring of chlorpromazine in plasma by gas chromatography-mass spectrometry using dispersive liquid-liquid microextraction. Bioanalysis 2023; 15:1343-1354. [PMID: 37847049 DOI: 10.4155/bio-2023-0176] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2023] Open
Abstract
Background: Chlorpromazine is the first antipsychotic drug developed and is included in the list of 'essential drugs' prepared by the WHO. Therapeutic drug monitoring is an important point for psychotropic drugs because of significant genetic variability in their metabolism and poor compliance of the patients with treatment. Method: We developed a novel GC-MS method using dispersive liquid-liquid microextraction for the therapeutic monitoring of chlorpromazine. Results: The method was validated according to the European Medicines Agency guidelines. The developed method's lower limit of quantification was set as 30 ng/ml. The calibration curve of chlorpromazine was validated between 30 and 600 ng/ml, with correlation coefficients of more than 0.99. Conclusion: The developed method was applied to real human patient plasma.
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Affiliation(s)
- Aykut Kul
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, 34452, Istanbul, Turkey
| | - Olcay Sagirli
- Department of Analytical Chemistry, Faculty of Pharmacy, Istanbul University, 34452, Istanbul, Turkey
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Martinez-Rojas F, Espinosa-Bustos C, Ramirez G, Armijo F. Electrochemical oxidation of chlorpromazine, characterisation of products by mass spectroscopy and determination in pharmaceutical samples. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.141873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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4
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Evaluation of molecularly imprinted polymers for chlorpromazine and bromopromazine prepared by multi-step swelling and polymerization method—The application for the determination of chlorpromazine and its metabolites in rat plasma by column-switching LC. J Pharm Biomed Anal 2019; 174:248-255. [DOI: 10.1016/j.jpba.2019.05.063] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 05/25/2019] [Accepted: 05/27/2019] [Indexed: 11/19/2022]
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5
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Stabilization of clinical samples collected for quantitative bioanalysis – a reflection from the European Bioanalysis Forum. Bioanalysis 2015; 7:333-43. [DOI: 10.4155/bio.14.290] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
In bioanalysis of small molecules, the analyte concentration in the measured samples should reflect the concentration during sample collection. Precautions may be needed to prevent over- or under-estimation of the obtained result. This might require the addition of stabilizers to prevent degradation or nonspecific binding. For unstable drugs, it is essential to know how analytes can be stabilized before the start of the clinical study. Although the stabilization methods are well documented, the impact of the stabilization on the clinical workflow is not properly addressed. Already during method development, the clinical implications in terms of personnel safety, ease of use, training possibilities and staff capacity should be taken into account, and validation of the bioanalytical method should reflect collection procedures.
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Norouzi P, Ganjali MR, Farokhi R. Development a New Method for the Determination of Chloropromazine in Trace Amounts by Fast Fourier Continuous Cyclic Voltammetry at an Au Microelectrode in a Flowing System. J CHIN CHEM SOC-TAIP 2013. [DOI: 10.1002/jccs.200700175] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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7
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Li W, Zhang J, Tse FLS. Strategies in quantitative LC-MS/MS analysis of unstable small molecules in biological matrices. Biomed Chromatogr 2010; 25:258-77. [DOI: 10.1002/bmc.1572] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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8
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Mutlib AE. Application of stable isotope-labeled compounds in metabolism and in metabolism-mediated toxicity studies. Chem Res Toxicol 2008; 21:1672-89. [PMID: 18702535 DOI: 10.1021/tx800139z] [Citation(s) in RCA: 136] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Stable isotope-labeled compounds have been synthesized and utilized by scientists from various areas of biomedical research during the last several decades. Compounds labeled with stable isotopes, such as deuterium and carbon-13, have been used effectively by drug metabolism scientists and toxicologists to gain better understanding of drugs' disposition and their potential role in target organ toxicities. The combination of stable isotope-labeling techniques with mass spectrometry and nuclear magnetic resonance (NMR) spectroscopy, which allows rapid acquisition and interpretation of data, has promoted greater use of these stable isotope-labeled compounds in absorption, distribution, metabolism, and excretion (ADME) studies. Examples of the use of stable isotope-labeled compounds in elucidating structures of metabolites and delineating complex metabolic pathways are presented in this review. The application of labeled compounds in mechanistic toxicity studies will be discussed by providing an example of how strategic placement of a deuterium atom in a drug molecule mitigated specific-specific renal toxicity. Other examples from the literature demonstrating the application of stable isotope-labeled compounds in understanding metabolism-mediated toxicities are presented. Furthermore, an example of how a stable isotope-labeled compound was utilized to better understand some of the gene changes in toxicogenomic studies is discussed. The interpretation of large sets of data produced from toxicogenomics studies can be a challenge. One approach that could be used to simplify interpretation of the data, especially from studies designed to link gene changes with the formation of reactive metabolites thought to be responsible for toxicities, is through the use of stable isotope-labeled compounds. This is a relatively unexplored territory and needs to be further investigated. The employment of analytical techniques, especially mass spectrometry and NMR, used in conjunction with stable isotope-labeled compounds to establish and understand mechanistic link between reactive metabolite formation, genomic, and proteomic changes and onset of toxicity is proposed. The use of stable isotope-labeled compounds in early human ADME studies as a way of identifying and possibly quantifying all drug-related components present in systemic circulation is suggested.
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Affiliation(s)
- Abdul E Mutlib
- Biotransformation Department, Drug Safety and Metabolism, Wyeth Research, Collegeville, Pennsylvania 19426, USA.
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McClean S, O'Kane EJ, Smyth WF. Electrospray ionisation-mass spectrometric characterisation of selected anti-psychotic drugs and their detection and determination in human hair samples by liquid chromatography-tandem mass spectrometry. JOURNAL OF CHROMATOGRAPHY. B, BIOMEDICAL SCIENCES AND APPLICATIONS 2000; 740:141-57. [PMID: 10821400 DOI: 10.1016/s0378-4347(00)00038-4] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Electrospray ionisation quadrupole ion-trap mass spectrometric (ESI-MS) characterisation of the anti-psychotic drugs chlorpromazine, trifluoperazine, flupenthixol, risperidone and the antidepressant/internal standard trimipramine is presented and possible mechanisms for the observed MSn fragmentation patterns proposed. A validated liquid chromatography (LC)-MS-MS method is then applied to the detection and determination of these drugs in the hair of a patient under clinical treatment for schizophrenia. Chlorpromazine, trifluoperazine and flupenthixol are identified and determined in this hair sample following alkaline degradation of the matrix, solvent extraction and LC-MS-MS using trimipramine as internal standard.
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Affiliation(s)
- S McClean
- School of ABCS, University of Ulster, Coleraine, Northern Ireland, UK
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10
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Seno H, Hattori H, Ishii A, Kumazawa T, Watanabe-Suzuki K, Suzuki O. High performance liquid chromatography/electrospray tandem mass spectrometry for phenothiazines with heavy side chains in whole blood. RAPID COMMUNICATIONS IN MASS SPECTROMETRY : RCM 1999; 13:2394-2398. [PMID: 10567940 DOI: 10.1002/(sici)1097-0231(19991215)13:23<2394::aid-rcm804>3.0.co;2-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Eleven phenothiazine derivatives with heavy side chains contained in human whole blood have been analyzed by high-performance liquid chromatography (HPLC)/electrospray (ES) tandem mass spectrometry (MS). All compounds gave the base peaks due to [M + 1](+) by HPLC/ES single MS. The product ions formed from each quasi-molecular ion by HPLC/ES tandem MS showed the base peaks due to side chains liberated. The mass chromatography of HPLC/ES tandem MS showed much higher sensitivity than that of HPLC/ES single MS for phenothiazines spiked to whole blood. Therefore, regression equations, detection limits, recovery rates and reproducibility were studied for thiethylperazine, clospirazine and flupentixol spiked to human whole blood by means of mass chromatography of HPLC/ES tandem MS. The three compounds showed good linearity in the range of 2-40 ng/mL with a detection limit of about 0.5 ng/mL. Recoveries of the three compounds spiked to whole blood (2 and 8 ng added to 1 mL whole blood) were 43.4-72.5 %; the coefficients of intraday and interday variations were 3.7-9.3 and 12.6-17.9 %, respectively. Thiethylperazine, clospirazine and flupentixol in whole blood could actually be determined with sufficient sensitivity 3 and 6 h after oral administration of 5-10 mg of each compound in a volunteer.
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Affiliation(s)
- H Seno
- Department of Legal Medicine, Hamamatsu University School of Medicine, 3600 Handa-cho, Hamamatsu 431-3192, Japan
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11
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Hattori H, Yamamoto S, Iwata M, Takashima E, Yamada T, Suzuki O. Sensitive determination of phenothiazines in body fluids by gas chromatography with surface ionization detection. ACTA ACUST UNITED AC 1992; 579:247-52. [PMID: 1358904 DOI: 10.1016/0378-4347(92)80388-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Fourteen phenothiazine derivatives were tested for their detection by gas chromatography (GC) with surface ionization detection (SID). The sensitivity of GC-SID was highest with trimeprazine and levomepromazine, which contain aliphatic tertiary amino side chains, and lowest with thiethylperazine and thioproperazine, which contain sulphur residues. Chlorpromazine, trimeprazine and promazine showed excellent linearity between the SID response and the drug amount in the range 0.25-3.0 pmol on-column. Their detection limits were as low as ca. 5-10 pg (15-30 fmol) on-column (250-500 pg per ml of body fluid). A detailed procedure for isolation of phenothiazines from human whole blood and urine using Sep-Pak C18 cartridges, before the GC with SID, is also presented. The recoveries of the drugs (100 pmol), which were added to 1 ml of whole blood or urine, were more than 79%. The baselines remained steady as the column temperature was increased.
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Affiliation(s)
- H Hattori
- Department of Legal Medicine, Aichi Medical University, Japan
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12
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Minakata K, Suzuki O, Ishikawa Y, Seno H, Asano M. Quantitative analysis of chlorpromazine by electron spin resonance (ESR) spectroscopy. Forensic Sci Int 1991; 50:167-77. [PMID: 1660844 DOI: 10.1016/0379-0738(91)90148-c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A simple and sensitive method is described for quantitative analysis of chlorpromazine in blood, serum, urine and tissue homogenate. The chlorpromazine cation radical produced by adding perchloric acid and 2,3-dichloro-5,6-dicyano-p-benzoquinone to the sample can be detected by the ESR method at room temperature. The sensitivity limit is 10 ng, that is, 20 microliters of the solution containing 0.5 microgram chlorpromazine/ml. The time needed for the measurement is within 10 min. The chlorpromazine radical thus produced is very stable; for example, 95% of the radical was observed after 24 h. The advantage of this method is discussed by comparing with the ordinary spectrophotometry which requires the purification of the sample.
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Affiliation(s)
- K Minakata
- Department of Legal Medicine, Hamamatsu University, School of Medicine, Japan
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13
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Ishikawa Y, Suzuki O, Hattori H. Positive- and negative-ion mass spectrometry and rapid clean-up of 19 phenothiazines. Forensic Sci Int 1990; 44:93-105. [PMID: 2318477 DOI: 10.1016/0379-0738(90)90239-u] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Positive-ion electron impact (PIEI), positive-ion chemical ionization (PICI) and negative-ion chemical ionization (NICI) mass spectra of 19 phenothiazines are presented. In the PIEI mode, peaks due to M, M minus side chain (M - R1), M - R1 + H, and side chain itself (R1) appeared for most compounds. The M - R1 and R1 ions were very useful for drug screening. In the PICI mode, most spectra showed base or intense peaks due to M + H, and small peaks due to M + C2H5; peaks due to M - R1 + 2H and R1 also appeared in many compounds. In the NICI mode, fragmentation modes were different in different compound groups; molecular or [M - H]- quasi-molecular anions appeared in many compounds with aliphatic side chains. Anions at m/z 98 and 115 were characteristic for compounds with (N-methylpiperazinyl)propyl side chains. Selected ion monitoring in the PIEI mode generally gave much higher sensitivity than in the PICI and NICI modes. Phenothiazines present in urine or plasma could be rapidly isolated by use of Sep-Pak C18 cartridges. Thirteen of 19 phenothiazines could be detected by HP-17 wide-bore capillary gas chromatography with satisfactory separation from impurities in their underivatized forms.
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Affiliation(s)
- Y Ishikawa
- Department of Pharmacy, Hamamatsu University School of Medicine, Japan
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14
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Johansson I, Schubert B. Separation of hordenine and N-methyl derivatives from germinating barley by liquid chromatography with dual-electrode coulometric detection. J Chromatogr A 1990. [DOI: 10.1016/s0021-9673(01)84253-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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15
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Jaworski TJ, Hawes EM, McKay G, Midha KK. The metabolism of chlorpromazine N-oxide in man and dog. Xenobiotica 1990; 20:107-15. [PMID: 2327102 DOI: 10.3109/00498259009046817] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
1. The metabolism of chlorpromazine N-oxide was studied in female dogs and adult male humans after a single oral dose. 2. There was extensive metabolism in both species in that between four and seven metabolites were separately identified in urine and faeces. Apart from chlorpromazine N-oxide, chlorpromazine N,S-dioxide was the only isolated metabolite which retained the N-oxide group. The other identified metabolites were chlorpromazine and its 7-hydroxy, sulphoxide, N-desmethyl, 7-hydroxy-N-desmethyl and N-desmethylsulphoxide derivatives. 3. With dog samples, metabolites were separated by h.p.l.c. and individually collected prior to mass spectrometric analysis. With human samples, metabolites were directly subjected to h.p.l.c.-mass spectrometric determination. With all metabolites their structures were confirmed by direct comparison of their mass spectra and chromatographic behaviours with those of authentic samples. 4. The metabolites identified in urine and faeces were for the most part the same in both species, with the exceptions that chlorpromazine N-oxide was identified in the faeces of dog only and 7-hydroxy-N-desmethylchlorpromazine was identified in the urine of man only. 5. The observation of N-oxide compounds in the excreta of both man and dog contrasted with that for the previously studied rat, where no such compounds were detected.
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Affiliation(s)
- T J Jaworski
- College of Pharmacy, University of Saskatchewan, Saskatoon, Canada
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Abstract
1. The metabolism of chlorpromazine N-oxide was studied in female rats after a 20 mg/kg single oral dose. 2. Metabolites identified in both urine and faeces were chlorpromazine, 7-hydroxychlorpromazine, chlorpromazine sulphoxide, N-desmethylchlorpromazine and N-desmethylchlorpromazine sulphoxide. 3. Metabolites were separated by h.p.l.c. or g.l.c. prior to mass spectrometric analysis. The structures of the metabolites were confirmed by direct comparison of their mass spectra and chromatographic behaviours with those of authentic compounds. 4. Chlorpromazine N-oxide and any metabolite which retained the intact N-oxide function, such as chlorpromazine, N,S-dioxide, could not be identified in any of the extracts. 5. When 3H-chlorpromazine N-oxide was administered under the same conditions; approximately twice as much radioactivity was excreted in the faeces (52.1 +/- 9.7%) as in the urine (26.9 +/- 7.2%).
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Affiliation(s)
- T J Jaworski
- College of Pharmacy, University of Saskatchewan, Saskatoon, Canada
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Smith CS, Morgan SL, Greene SV, Abramson RK. Solid-phase extraction and high-performance liquid chromatographic method for chlorpromazine and thirteen metabolites. JOURNAL OF CHROMATOGRAPHY 1987; 423:207-16. [PMID: 3443651 DOI: 10.1016/0378-4347(87)80344-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A rapid and reliable procedure, based on a C8 bonded phase extraction and reversed-phase isocratic high-performance liquid chromatographic separation with internal standard quantitation, has been developed for the determination of the antipsychotic drug chlorpromazine and thirteen common metabolites. The method allows quantitation of these analytes at the ng/ml concentration range in human plasma. An evaluation of recovery, detection limits, and reproducibility is presented along with application of the method to patient samples.
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Affiliation(s)
- C S Smith
- Department of Chemistry, University of South Carolina, Columbia 29208
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