1
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An J, Fan L, Zhi X, Dong Z. Quantification of sedative-hypnotics in human urine and plasma via polystyrene-based solid phase extraction-LC-MS/MS analysis. J Pharm Biomed Anal 2023; 236:115753. [PMID: 37776626 DOI: 10.1016/j.jpba.2023.115753] [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: 06/16/2023] [Revised: 09/06/2023] [Accepted: 09/24/2023] [Indexed: 10/02/2023]
Abstract
Owing to the adverse effects of the overuse of common sedative-hypnotics on human health, the development of an efficient analytical method for the detection of drugs in clinical emergencies and forensic science is significant. Although conventional analytical methods, such as immunoassay, liquid chromatography (LC), gas chromatography, and mass spectrometry (MS) are reliable, they exhibit drawbacks such low-throughput screening and high costs. Thus, in this study, we developed a novel high-throughput method consisting of a polystyrene-based solid phase extraction (SPE) and an LC with tandem MS analysis for the detection of drugs in biological samples and investigated its precision and reliability via the detection of twelve sedative-hypnotics in human urine and plasma samples. Good linear relationship (r ≥ 0.99) were achieved within the concentration range of 0.1-20 ng/mL for the 12 analytes in urine samples. Whereas, in the plasma samples, the correlation coefficient was greater than 0.99 in the concentration range 1-100 ng/mL for lorazepam and clonazepam and in the range 0.5-100 ng/mL for the remaining analytes. The intra- and inter-day precision, autosampler and freeze-thaw stabilities, and lower limit of quantitation (LLOQ) for all twelve analytes in the urine and plasma samples were favorable. Furthermore, sedative-hypnotics were detected in clinical samples obtained from the Hebei General Hospital using this method. These results indicated that the analytical method proposed in this study can be effectively applied in toxicology screening and drug abuse monitoring.The method developed in this study could be applied in clinical and forensic toxicology laboratories for sedative-hypnotic drug screening, providing support for drug abuse monitoring and clinical diagnosis.
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Affiliation(s)
- Jing An
- Department of Pharmacy, Hebei General Hospital, Shijiazhuang 050051, PR China
| | - Liju Fan
- Department of Pharmacy, Hebei General Hospital, Shijiazhuang 050051, PR China
| | - Xuran Zhi
- Department of Pharmacy, Hebei General Hospital, Shijiazhuang 050051, PR China
| | - Zhanjun Dong
- Department of Pharmacy, Hebei General Hospital, Shijiazhuang 050051, PR China.
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2
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Zhang YX, Zhang Y, Bian Y, Liu YJ, Ren A, Zhou Y, Shi D, Feng XS. Benzodiazepines in complex biological matrices: Recent updates on pretreatment and detection methods. J Pharm Anal 2023. [DOI: 10.1016/j.jpha.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023] Open
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3
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Moustafa RE, Tarbah F, Saeed HS, Sharif SI. Designer benzodiazepines versus prescription benzodiazepines: can structural relation predict the next step? Crit Rev Toxicol 2021; 51:249-263. [PMID: 34038656 DOI: 10.1080/10408444.2021.1907303] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Designer benzodiazepines are a part of the recently discovered abuse synthetic drugs called Novel Psychoactive Substances (NPS) which need to be controlled due to their constantly growing market. Most of them are derived from the medically approved benzodiazepines used nowadays yet, may possess stronger effects, more toxicity, and longer durations of action. Some differences have also been observed in their detection and characteristics, in addition to the variations discovered in postmortem redistribution and drug stability. All these major alterations in features can result from only minor structural modifications. For example, a classic benzodiazepine (BZD) like diazepam only lacks one fluorine atom which exists in its derivatized designer drug, diclazepam, making substantial differences in activity. For this reason, it is essential to study the designer drugs in order to identify their dangers and distinguish them thus rule out their abuse and control the spread of such drugs. This review would highlight the distinct characteristics of some of the most commonly abused designer benzodiazepine analogies in relation to their original prescription BZD compounds.
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Affiliation(s)
- Raneem E Moustafa
- Department of Pharmacy Practice & Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Fuad Tarbah
- Department of Pharmacy Practice & Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
| | - Huda Sulaiman Saeed
- General Department of Forensic Science and Criminology, Toxicology Section, Dubai Police Head Quarter, Dubai, United Arab Emirates
| | - Suleiman I Sharif
- Department of Pharmacy Practice & Pharmacotherapeutics, College of Pharmacy, University of Sharjah, Sharjah, United Arab Emirates
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4
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Mail R, Teoh WK, Kunalan V, Chang KH, Abdullah AFL. Quick discrimination of seized Erimin-5 tablets by attenuated total reflectance-Fourier transform infra-red spectroscopy. AUST J FORENSIC SCI 2021. [DOI: 10.1080/00450618.2021.1921266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Radwan Mail
- Forensic Science Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
- Department of Chemistry Malaysia (Kelantan Branch, Kota Bharu, Kelantan, Malaysia
| | - Way Koon Teoh
- Forensic Science Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Vanitha Kunalan
- Narcotics Division, Forensic Science Analysis Centre, Department of Chemistry Malaysia (Headquarter), Petaling Jaya, Selangor, Malaysia
| | - Kah Haw Chang
- Forensic Science Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
| | - Ahmad Fahmi Lim Abdullah
- Forensic Science Programme, School of Health Sciences, Universiti Sains Malaysia, Kubang Kerian, Kelantan, Malaysia
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5
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Degreef M, Vits L, Berry EM, Maudens KEK, van Nuijs ALN. Quantification of 54 Benzodiazepines and Z-Drugs, Including 20 Designer Ones, in Plasma. J Anal Toxicol 2021; 45:141-153. [PMID: 32507898 DOI: 10.1093/jat/bkaa059] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 04/03/2020] [Accepted: 04/19/2020] [Indexed: 02/07/2023] Open
Abstract
Benzodiazepines are widely used in the treatment of sleep and anxiety disorders, as well as epileptic seizures and alcohol withdrawal because of their broad therapeutic index and low cost. Due to their central nervous system depressant effects they are also often implicated in traffic accidents and drug-related intoxications. With an increasing number of designer benzodiazepines used in a recreational setting, there is a need for analytical methods to be able to quantify both the prescribed and designer benzodiazepines. A liquid chromatography-triple quadrupole mass spectrometry method was developed for the quantification of 34 prescribed and 20 designer benzodiazepines in plasma. Different sample preparation strategies, including protein precipitation, liquid-liquid extraction, solid-phase extraction and mini-QuEChERS, were tested. The best recoveries for all compounds of interest were obtained with a liquid-liquid extraction using methyl-tertiary-butyl-ether and 500 μL plasma. The method was fully validated according to the European Medicines Agency guidelines for all compounds, except pivoxazepam, which is included for qualitative purposes only. In-sample stability issues were observed for cloxazolam, both at ambient temperature and during long-term storage at -20°C. Due to the large number of compounds included, the simple and time-efficient sample preparation and the relatively inexpensive instrumentation used, the presented method can be readily implemented in both therapeutic drug monitoring and forensic analyses.
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Affiliation(s)
- Maarten Degreef
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium
| | - Lore Vits
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium
| | - Eleanor M Berry
- Toxicological Centre, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium
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6
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Ares-Fuentes AM, Lorenzo RA, Fernández P, Carro AM. An analytical strategy for designer benzodiazepines and Z-hypnotics determination in plasma samples using ultra-high performance liquid chromatography/tandem mass spectrometry after microextraction by packed sorbent. J Pharm Biomed Anal 2020; 194:113779. [PMID: 33279303 DOI: 10.1016/j.jpba.2020.113779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/15/2020] [Accepted: 11/15/2020] [Indexed: 01/19/2023]
Abstract
The illicit market for new psychoactive substances (NPS) is continuously growing. Designer benzodiazepines (DBZD) and Z-hypnotics are increasingly being used for self-medication or recreational purposes. The limited regulation and little biological information available about NPS have raised the need for analytical methods capable of extracting and quantifying them in human biological fluids. In this work, a procedure based on microextraction by packed sorbent (MEPS) in combination with ultra-high performance liquid chromatography and tandem mass spectrometry (UHPLC-MS/MS) has been developed to determine the designer benzodiazepines (clonazolam, deschloroetizolam, nifoxipam, flubromazolam and meclonazepam), and the Z-hypnotics (zolpidem, zaleplon and zopiclone) in plasma. A 3342//16 asymmetric screening design was used to study extraction variables such as the type and volume of eluent, pH, number of extraction cycles, volume of washing solvent and type of sorbent. The ensuing analytical method was validated in terms of linearity by standard addition calibration curves at eight different analyte concentration levels from 0.5-500 ng mL-1. R2 values, limits of detection (LOD) and limits of quantification (LOQ) fell in the ranges 0.9900-0.9988, 0.5-5 ng mL-1 and 1-10 ng mL-1. Intra and interday precision expressed as relative standard deviations, were < 10.6 % and process efficiency ranged from 63 to 117 % for the quality control samples. The proposed method detected zolpidem and various other benzodiazepines in plasma samples from overdoses cases.
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Affiliation(s)
- A M Ares-Fuentes
- Department of Analytical Chemistry, Faculty of Chemistry and Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - R A Lorenzo
- Department of Analytical Chemistry, Faculty of Chemistry and Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - P Fernández
- Institute of Forensic Sciences, Forensic Toxicology Service, Faculty of Medicine, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - A M Carro
- Department of Analytical Chemistry, Faculty of Chemistry and Health Research Institute of Santiago de Compostela (IDIS), University of Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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7
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Recent bionalytical methods for the determination of new psychoactive substances in biological specimens. Bioanalysis 2020; 12:1557-1595. [PMID: 33078960 DOI: 10.4155/bio-2020-0148] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
One of the problems associated with the consumption of new psychoactive substances is that in most scenarios of acute toxicity the possibility of quick clinical action may be impaired because many screening methods are not responsive to them, and laboratories are not able to keep pace with the appearance of new substances. For these reasons, developing and validating new analytical methods is mandatory in order to efficiently face those problems, allowing laboratories to be one step ahead. The goal of this work is to perform a critical review regarding bionalytical methods that can be used for the determination of new psychoactive substances (phenylethylamines, cathinones, synthetic cannabinoids, opioids, benzodiazepines, etc), particularly concerning sample preparation techniques and associated analytical methods.
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8
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Jones NS, Comparin JH. Interpol review of controlled substances 2016-2019. Forensic Sci Int Synerg 2020; 2:608-669. [PMID: 33385148 PMCID: PMC7770462 DOI: 10.1016/j.fsisyn.2020.01.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Accepted: 01/23/2020] [Indexed: 12/14/2022]
Abstract
This review paper covers the forensic-relevant literature in controlled substances from 2016 to 2019 as a part of the 19th Interpol International Forensic Science Managers Symposium. The review papers are also available at the Interpol website at: https://www.interpol.int/content/download/14458/file/Interpol%20Review%20Papers%202019.pdf.
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Affiliation(s)
- Nicole S. Jones
- RTI International, Applied Justice Research Division, Center for Forensic Sciences, 3040 E. Cornwallis Road, Research Triangle Park, NC, 22709-2194, USA
| | - Jeffrey H. Comparin
- United States Drug Enforcement Administration, Special Testing and Research Laboratory, USA
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9
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Pettersson Bergstrand M, Beck O, Helander A. Urine analysis of 28 designer benzodiazepines by liquid chromatography–high-resolution mass spectrometry. CLINICAL MASS SPECTROMETRY 2018. [DOI: 10.1016/j.clinms.2018.08.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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Carpenter JE, Murray BP, Dunkley C, Kazzi ZN, Gittinger MH. Designer benzodiazepines: a report of exposures recorded in the National Poison Data System, 2014-2017. Clin Toxicol (Phila) 2018; 57:282-286. [PMID: 30430874 DOI: 10.1080/15563650.2018.1510502] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
IMPORTANCE Exposures to novel psychoactive substances are reported with increasing frequency in both the medical literature and the lay press. While the majority of reports describe synthetic cannabinoids and cathinones, a lesser understood family is the "designer benzodiazepines". The current literature describing human exposures to these compounds is comprised of case reports and small case series. OBJECTIVE The primary objectives of this study are to describe epidemiologic trends and clinical effects of designer benzodiazepine use. METHODS Data regarding single agent exposures to designer benzodiazepines between 1 January 2014 and 31 December 2017 was obtained from the National Poison Data System. Substances queried include: adinazolam, clonazolam, cloniprazepam, diclazepam, etizolam, flubromazepam, flubromazolam, meclonazepam, nifoxipam, norflurazepam, and pyrazolam. Data was summarized descriptively. RESULTS 234 single agent exposures in 40 states were reported during the study period. The annual number of exposures increased each year, from 26 in 2014 to 112 in 2017, amounting to a 330% increase. The most common exposures were etizolam (n = 162) and clonazolam (n = 50). The most common clinical effects were drowsiness/lethargy (65%), and slurred speech (17%). 3% required intubation, 36% of cases required hospital admission, 22% to the intensive care unit. There was 1 death in the study population. CONCLUSIONS The incidence of exposures to designer benzodiazepines is rising. Clinical effects are generally consistent with a sedative-hypnotic toxidrome. Severe effects, including death, seemed relatively uncommon in the study population.
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Affiliation(s)
| | | | | | - Ziad N Kazzi
- a Georgia Poison Center , Atlanta , GA , USA.,b Department of Emergency Medicine , Emory University School of Medicine , Atlanta , GA , USA
| | - Melissa H Gittinger
- a Georgia Poison Center , Atlanta , GA , USA.,b Department of Emergency Medicine , Emory University School of Medicine , Atlanta , GA , USA
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11
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Manchester KR, Maskell PD, Waters L. Experimental versus theoretical log D 7.4 , pK a and plasma protein binding values for benzodiazepines appearing as new psychoactive substances. Drug Test Anal 2018; 10:1258-1269. [PMID: 29582576 DOI: 10.1002/dta.2387] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 03/13/2018] [Accepted: 03/17/2018] [Indexed: 01/24/2023]
Abstract
The misuse of benzodiazepines as new psychoactive substances is an increasing problem around the world. Basic physicochemical and pharmacokinetic data is required on these substances to interpret and predict their effects upon humans. Experimental log D7.4 , pKa and plasma protein binding values were determined for 11 benzodiazepines that have recently appeared as new psychoactive substances (3-hydroxyphenazepam, 4'-chlorodiazepam, desalkylflurazepam, deschloroetizolam, diclazepam, etizolam, flubromazepam, flubromazolam, meclonazepam, phenazepam, and pyrazolam) and compared with values generated by various software packages (ACD/I-lab, MarvinSketch, ADMET Predictor and PreADMET). ACD/I-LAB returned the most accurate values for log D7.4 and plasma protein binding while ADMET Predictor returned the most accurate values for pKa . Large variations in predictive errors were observed between compounds. Experimental values are currently preferable and desirable as they may aid with the future 'training' of predictive models for these new psychoactive substances.
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Affiliation(s)
| | - Peter D Maskell
- School of Science, Engineering and Technology, Abertay University, Dundee, UK
| | - Laura Waters
- School of Applied Sciences, University of Huddersfield, UK
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13
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Švidrnoch M, Boráňová B, Tomková J, Ondra P, Maier V. Simultaneous determination of designer benzodiazepines in human serum using non-aqueous capillary electrophoresis – Tandem mass spectrometry with successive multiple ionic – Polymer layer coated capillary. Talanta 2018; 176:69-76. [DOI: 10.1016/j.talanta.2017.08.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2017] [Revised: 07/30/2017] [Accepted: 08/02/2017] [Indexed: 01/07/2023]
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Moosmann B, Auwärter V. Designer Benzodiazepines: Another Class of New Psychoactive Substances. Handb Exp Pharmacol 2018; 252:383-410. [PMID: 30367253 DOI: 10.1007/164_2018_154] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Benzodiazepines have been introduced as medical drugs in the 1960s. They replaced the more toxic barbiturates, which were commonly used for treatment of anxiety or sleep disorders at the time. However, benzodiazepines show a high potential of misuse and dependence. Although being of great value as medicines, dependence to these drugs is a concern worldwide, in part due to overprescription and easy availability. Therefore, the phenomenon of benzodiazepines sold via Internet shops without restrictions at low prices is alarming and poses a serious threat to public health. Most of these compounds (with the exception of, e.g., phenazepam and etizolam) have never been licensed as medical drugs in any part of the world and are structurally derived from medically used benzodiazepines. Strategies of clandestine producers to generate new compounds include typical structural variations of medically used 1,4-benzodiazepines based on structure-activity relationships as well as synthesis of active metabolites and triazolo analogs of these compounds. As they were obviously designed to circumvent national narcotics laws or international control, they can be referred to as "designer benzodiazepines." The majority of these compounds, such as diclazepam, clonazolam, and nitrazolam, have been described in scientific or patent literature. However, little is known about their pharmacological properties and specific risks related to their use. This chapter describes the phenomenon of designer benzodiazepines and summarizes the available data on pharmacokinetics and pharmacodynamics as well as analytical approaches for their detection.
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Affiliation(s)
- Bjoern Moosmann
- Institute of Forensic Medicine, Forensic Toxicology, Kantonsspital St. Gallen, St. Gallen, Switzerland.
| | - Volker Auwärter
- Institute of Forensic Medicine, Forensic Toxicology, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
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Zheng K, Gong J, Li X, Jia G, Wu S, Zhang H, Hu D, Zhang K. Stereoselective determination of dufulin in watermelon under field conditions using chiral ultra high performance liquid chromatography with high-resolution mass spectrometry. J Sep Sci 2017; 40:4142-4151. [DOI: 10.1002/jssc.201700708] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 08/18/2017] [Accepted: 08/19/2017] [Indexed: 01/05/2023]
Affiliation(s)
- Kunming Zheng
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Jin Gong
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Xiaoqin Li
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Guifei Jia
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Sizhuo Wu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Haizhen Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Deyu Hu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
| | - Kankan Zhang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering; Key Laboratory of Green Pesticide and Agricultural Bioengineering; Ministry of Education; Guizhou University; Guiyang China
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Shen X, Liang J, Zheng L, Lv Q, Wang H. Application of dispersive liquid-liquid microextraction for the preconcentration of eight parabens in real samples and their determination by high-performance liquid chromatography. J Sep Sci 2017; 40:4385-4393. [PMID: 28877408 DOI: 10.1002/jssc.201700722] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2017] [Revised: 08/28/2017] [Accepted: 08/30/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Xiong Shen
- Department of Pharmacy; Zhongshan Hospital, Fudan University; Shanghai P.R. China
| | - Jian Liang
- Department of Pharmacy; Zhongshan Hospital, Fudan University; Shanghai P.R. China
| | - Luxia Zheng
- Shanghai Institute for Food and Drug Control; Shanghai P.R. China
| | - Qianzhou Lv
- Department of Pharmacy; Zhongshan Hospital, Fudan University; Shanghai P.R. China
| | - Hong Wang
- Department of General Surgery; Zhongshan Hospital, Fudan University; Shanghai P.R. China
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