1
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Saleem M, Hanif M, Rafiq M, Ali A, Raza H, Kim SJ, Lu C. Recent Development on Sensing Strategies for Small Molecules Detections. J Fluoresc 2024; 34:1493-1525. [PMID: 37644375 DOI: 10.1007/s10895-023-03387-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 08/08/2023] [Indexed: 08/31/2023]
Abstract
Sensors play a critical role in the detection and monitoring of various substances present in our environment, providing us with valuable information about the world around us. Within the field of sensor development, one area that holds particular importance is the detection of small molecules. Small molecules encompass a wide range of organic or inorganic compounds with low molecular weight, typically below 900 Daltons including gases, volatile organic compounds, solvents, pesticides, drugs, biomarkers, toxins, and pollutants. The accurate and efficient detection of these small molecules has attracted significant interest from the scientific community due to its relevance in diverse fields such as environmental pollutants monitoring, medical diagnostics, industrial optimization, healthcare remedies, food safety, ecosystems, and aquatic and terrestrial life preservation. To meet the demand for precise and efficient monitoring of small molecules, this summary aims to provide an overview of recent advancements in sensing and quantification strategies for various organic small molecules including Hydrazine, Glucose, Morpholine, Ethanol amine, Nitrosamine, Oxygen, Nitro-aromatics, Phospholipids, Carbohydrates, Antibiotics, Pesticides, Drugs, Adenosine Triphosphate, Aromatic Amine, Glutathione, Hydrogen Peroxide, Acetone, Methyl Parathion, and Thiophenol. The focus is on understanding the receptor sensing mechanism, along with the electrical, optical, and electrochemical response. Additionally, the variations in UV-visible spectral properties of the ligands upon treatment with the receptor, fluorescence and absorption titration analysis for limit of detection (LOD) determination, and bioimaging analysis are discussed wherever applicable. It is anticipated that the information gathered from this literature survey will be helpful for the perusal of innovation regarding sensing strategies.
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Affiliation(s)
- Muhammad Saleem
- Department of Chemistry, University of Sargodha, Sargodha, Pakistan.
- Department of Chemistry, Thal University Bhakkar, Punjab, 30000, Bhakkar, Pakistan.
| | - Muhammad Hanif
- Department of Chemistry, GC University Faisalabad, Sub Campus Layyah-31200, Layyah, Pakistan
| | - Muhammad Rafiq
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences, Bahawalpur, 6300, Pakistan
| | - Anser Ali
- Department of Zoology, Mirpur University of Science and Technology (MUST), Mirpur, 10250, Pakistan
| | - Hussain Raza
- Department of Biological Sciences, Kongju National University, Kongju, Chungnam, Republic of Korea
| | - Song Ja Kim
- Department of Biological Sciences, Kongju National University, Kongju, Chungnam, Republic of Korea
| | - Changrui Lu
- Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai, 201620, China
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2
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Nguyen LBT, Tan EX, Leong SX, Koh CSL, Madhumita M, Phang IY, Ling XY. Harnessing Cooperative Multivalency in Thioguanine for Surface-Enhanced Raman Scattering (SERS)-Based Differentiation of Polyfunctional Analytes Differing by a Single Functional Group. Angew Chem Int Ed Engl 2024:e202410815. [PMID: 38925600 DOI: 10.1002/anie.202410815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 06/16/2024] [Accepted: 06/23/2024] [Indexed: 06/28/2024]
Abstract
Small-molecule receptors are increasingly employed to probe various functional groups for (bio)chemical analysis. However, differentiation of polyfunctional analogs sharing multiple functional groups remains challenging for conventional mono- and bidentate receptors because their insufficient number of binding sites limits interactions with the least reactive yet property-determining functional group. Herein, we introduce 6-thioguanine (TG) as a supramolecular receptor for unique tridentate receptor-analyte complexation, achieving ≥97 % identification accuracy among 16 polyfunctional analogs across three classes: glycerol derivatives, disubstituted propane, and vicinal diols. Crucially, we demonstrate distinct spectral changes induced by the tridentate interaction between TG's three anchoring points and all the analyte's functional groups, even the least reactive ones. Notably, hydrogen bond (H-bond) networks formed in the TG-analyte complexes demonstrate additive effects in binding strength originating from good bond linearity, cooperativity, and resonance, thus strengthening complexation events and amplifying the differences in spectral changes induced among analytes. It also enhances spectral consistency by selectively forming a sole configuration that is stronger than the respective analyte-analyte interaction. Finally, we achieve 95.4 % accuracy for multiplex identification of a mixture consisting of multiple polyfunctional analogs. We envisage that extension to other multidentate non-covalent interactions enables the development of interference-free small molecule-based sensors for various (bio)chemical analysis applications.
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Affiliation(s)
- Lam Bang Thanh Nguyen
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Laboratory for Nano Energy Composites School of Chemical and Material Engineering, Jiangnan University, Wuxi, P. R. China, 214122
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Emily Xi Tan
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Laboratory for Nano Energy Composites School of Chemical and Material Engineering, Jiangnan University, Wuxi, P. R. China, 214122
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Shi Xuan Leong
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Charlynn Sher Lin Koh
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Murugan Madhumita
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - In Yee Phang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Laboratory for Nano Energy Composites School of Chemical and Material Engineering, Jiangnan University, Wuxi, P. R. China, 214122
| | - Xing Yi Ling
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, International Joint Research Laboratory for Nano Energy Composites School of Chemical and Material Engineering, Jiangnan University, Wuxi, P. R. China, 214122
- Division of Chemistry and Biological Chemistry School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
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Quint I, Simantzik J, Kaiser L, Laufer S, Csuk R, Smith D, Kohl M, Deigner HP. Ready-to-use nanopore platform for label-free small molecule quantification: Ethanolamine as first example. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2024; 55:102724. [PMID: 38007066 DOI: 10.1016/j.nano.2023.102724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 10/06/2023] [Accepted: 10/26/2023] [Indexed: 11/27/2023]
Abstract
In recent decades, nanopores have become a promising diagnostic tool. Protein and solid-state nanopores are increasingly used for both RNA/DNA sequencing and small molecule detection. The latter is of great importance, as their detection is difficult or expensive using available methods such as HPLC or LC-MS. DNA aptamers are an excellent detection element for sensitive and specific detection of small molecules. Herein, a method for quantifying small molecules using a ready-to-use sequencing platform is described. Taking ethanolamine as an example, a strand displacement assay is developed in which the target-binding aptamer is displaced from the surface of magnetic particles by ethanolamine. Non-displaced aptamer and thus the ethanolamine concentration are detected by the nanopore system and can be quantified in the micromolar range using our in-house developed analysis software. This method is thus the first to describe a label-free approach for the detection of small molecules in a protein nanopore system.
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Affiliation(s)
- Isabel Quint
- Institute of Precision Medicine, Furtwangen University, Jakob-Kienzle-Strasse 17, Villingen-Schwenningen 78054, Germany; Institute of Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard-Karls-University Tuebingen, Auf der Morgenstelle 8, Tuebingen 72076, Germany
| | - Jonathan Simantzik
- Institute of Precision Medicine, Furtwangen University, Jakob-Kienzle-Strasse 17, Villingen-Schwenningen 78054, Germany
| | - Lars Kaiser
- Institute of Precision Medicine, Furtwangen University, Jakob-Kienzle-Strasse 17, Villingen-Schwenningen 78054, Germany
| | - Stefan Laufer
- Institute of Pharmaceutical Sciences, Department of Pharmacy and Biochemistry, Eberhard-Karls-University Tuebingen, Auf der Morgenstelle 8, Tuebingen 72076, Germany; Tuebingen Center for Academic Drug Discovery & Development (TüCAD2), 72076 Tuebingen, Germany
| | - Rene' Csuk
- Institute of Organic Chemistry, Martin-Luther University Halle-Wittenberg, Kurt-Mothes-Str. 2, 06120 Halle (Saale), Germany
| | - David Smith
- Fraunhofer Institute IZI (Leipzig), Perlickstrasse 1, 04103 Leipzig, Germany
| | - Matthias Kohl
- Institute of Precision Medicine, Furtwangen University, Jakob-Kienzle-Strasse 17, Villingen-Schwenningen 78054, Germany.
| | - Hans-Peter Deigner
- Institute of Precision Medicine, Furtwangen University, Jakob-Kienzle-Strasse 17, Villingen-Schwenningen 78054, Germany; EXIM Department, Fraunhofer Institute IZI (Leipzig), Schillingallee 68, 18057 Rostock, Germany; Faculty of Science, Eberhard-Karls-University Tuebingen, Auf der Morgenstelle 8, Tuebingen, 72076, Germany.
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Aleksenko SS, Novikova IV, Novikov RI, Smirnova ZV, Kondrat’ev VB. Amino Alcohols: Chromatographic Methods for the Determination of Derivatives of Nitrogen-Containing Toxic Chemicals. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822070024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Jiang PY, Yuan L, Liu SL, Lv Q, Yu HL, Liang LH, Yang Y, Liu CC. Simultaneous solvent extraction and quantification of eleven amine compounds related to Chemical Weapon Convention in soils via hydrophilic interaction liquid chromatography-tandem mass spectrometry. J Chromatogr A 2022; 1671:462990. [DOI: 10.1016/j.chroma.2022.462990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 03/08/2022] [Accepted: 03/20/2022] [Indexed: 11/27/2022]
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Hamzah N, Kjellberg M, Vanninen P. Optimized method for analysis of ethanolamines, hydrolysis products of nitrogen mustards, from urine samples using LC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1176:122762. [PMID: 34052559 DOI: 10.1016/j.jchromb.2021.122762] [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: 03/05/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 10/21/2022]
Abstract
Highly polar ethanolamines (EAs), excreted in urine, are hydrolysis products of nitrogen mustards (NMs), which are prohibited by the Chemical Weapons Convention (CWC). The methods established for biological matrices are essential for verification analysis of the CWC related chemicals. This paper describes a new liquid chromatography-tandem mass spectrometry (LC-MS/MS) method developed for qualitative and quantitative analysis of EAs, N-ethyldiethanolamine (EDEA), N-methyldiethanolamine (MDEA) and triethanolamine (TEAOH) from urine samples. After optimization of sample preparation and chromatographic conditions, the method was fully validated. Silica solid-phase extraction (SPE) cartridges and a porous graphite carbon (PGC) column were selected for validation studies. The method is linear from 5 to 500, 0.5 to 250, and 0.5 to 500 ng/mL for TEAOH, EDEA, and MDEA, respectively. It is also precise and accurate. A minimum sample amount of 0.5 mL urine was used. The limit of quantification using this approach was 0.4, 5.5, and 6.3 ng/mL for MDEA, EDEA and TEAOH, respectively. The combination of the PGC column and high pH eluents in analysis retained and separated the studied EAs. Retention times were 2.11, 2.56 and 2.98 min for MDEA, EDEA and TEAOH, respectively. The method is applicable for verification analysis of the CWC.
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Affiliation(s)
- Nurhazlina Hamzah
- Finnish Institute for Verification of the Chemical Weapons Convention (VERIFIN), Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland.
| | - Matti Kjellberg
- Finnish Institute for Verification of the Chemical Weapons Convention (VERIFIN), Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland
| | - Paula Vanninen
- Finnish Institute for Verification of the Chemical Weapons Convention (VERIFIN), Department of Chemistry, University of Helsinki, P.O. Box 55, FI-00014 Helsinki, Finland
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7
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Zhang X, Duan Z, Zhao Y, Wu Y, Qiu T, Shi X. Direct Determination of Diethanolamine in High Salinity Dehydrogenation Reaction Solutions by Ion Chromatography (IC). ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1916515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Xinping Zhang
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
| | - Zhengkang Duan
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
| | - Yunlu Zhao
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
| | - Yingying Wu
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
| | - Tian Qiu
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
| | - Xiaolong Shi
- College of Chemical Engineering, Xiangtan University, Xiangtan, China
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Li C, Song W, Shi Y, Qing Z. Detection of alkanolamines in liquid cement grinding aids by HPLC coupled with evaporative light scattering detector. Turk J Chem 2021; 45:430-435. [PMID: 34104054 PMCID: PMC8164192 DOI: 10.3906/kim-2007-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Accepted: 01/03/2021] [Indexed: 11/03/2022] Open
Abstract
Triethanolamine (TEA), triisopropanolamine (TIPA), diethanol isopropanolamine (DEIPA) are necessary cement additives, and knowing their contents is needed for quality control and also to understand final properties of the cement. Whether it is the production of grinding aids, technical research and development or application research all involve the detection of grinding aids. This work developed a simple analytical technique for the simultaneous analysis of these alkanolamines in liquid cement grinding aids using high-performance liquid chromatography (HPLC) combined with evaporative light scattering detection (ELSD). HPLC was conducted by an XBridge C18 column (with dimensions 4.6 × 250 mm and 5 µm particles) using methanol and 0.1% trichloroacetic acid as mobile elution phases. The ELSD sprayer and drift tube temperatures were 60 ºC and 90 ºC, respectively. HPLC-ELSD developed in this work demonstrated 1) high sensitivity with limits of detection for the three analytes are 0.15, 0.54, 1.04 µg/mL; 2) good linearity with correlation coefficients equal to 0.997-0.999 over the tested concentration range; 3) excellent repeatability with intra- and interday coefficient of variation (CV) below 2.71% and 4, satisfactory accuracy with recovery in the 95.5%-100.8% range. This novel method is a powerful, time- and costeffective tool for alkanolamine analyses and quality control.
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Affiliation(s)
- Cheng Li
- Department of Health Inspection and Quarantine Technology, Faculty of Medical Technology, Ningbo College of Health Science, Ningbo China
| | - WenFang Song
- Department of Asset Management Office, Zhejiang Pharmaceutical College, Ningbo China
| | - YuBai Shi
- Department of Health Inspection and Quarantine Technology, Faculty of Medical Technology, Ningbo College of Health Science, Ningbo China
| | - ZhiWei Qing
- Department of Health Inspection and Quarantine Technology, Faculty of Medical Technology, Ningbo College of Health Science, Ningbo China
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Baygildiev T, Vokuev M, Braun A, Rybalchenko I, Rodin I. Monitoring of hydrolysis products of mustard gas, some sesqui- and oxy-mustards and other chemical warfare agents in a plant material by HPLC-MS/MS. J Chromatogr B Analyt Technol Biomed Life Sci 2021; 1162:122452. [PMID: 33264722 DOI: 10.1016/j.jchromb.2020.122452] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 10/26/2020] [Accepted: 11/08/2020] [Indexed: 02/02/2023]
Abstract
At present, there is a real threat of chemical warfare agents being used in terrorist acts and military clashes. Sulfur and nitrogen mustards are blister agents with high lethality and rapid disruption of armed forces. These highly poisonous substances are hydrolyzed to the characteristic marker compounds when released into the environment. Analysis of environmental objects allows to establish the fact of alleged use of chemical warfare agents and to reveal their type. However, water and soil samples are not always reliable for retrospective analysis. The resulting chemical warfare agent markers may be washed out from the application site over time by groundwaters or atmospheric condensations. This study shows the potential for using plants as a convenient material for retrospective analysis. Garden cress (Lepidium sativum) was chosen as a model plant for this purpose, since it can be easily and quickly grown hydroponically. The plants were cultivated in the environment of the selected markers to study an accumulation of these compounds by the plants. An effective and fast method of homogenization with subsequent ultrasonic extraction was applied. The extracts were analyzed using a specially developed and validated HPLC-MS/MS approach. Separation of the hydrophilic markers was carried out on a reversed-phase column with a polar endcapping. Sensitive mass spectrometric detection was performed in the multiple reaction monitoring mode. Achieved limits of detection for most markers were in the range of 2-40 ng mL-1. It was discovered from the research that after the removal of markers from the growing medium the plants are able to store and concentrate these markers for at least 5 weeks, ensuring a high retrospectivity of the analysis. The obtained results indicate the perspective of using plants as additional objects of analysis during the investigation of incidents related to the use of chemical warfare agents. However, more complex plants and models should be studied in the future.
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Affiliation(s)
- Timur Baygildiev
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia.
| | - Mikhail Vokuev
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Arcady Braun
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Igor Rybalchenko
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Igor Rodin
- Department of Chemistry, Lomonosov Moscow State University, 119991 Moscow, Russia
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Rozsypal T. Fate of tris(2-chloroethyl)amine in water and alkaline environment determined by thin-layer chromatography and gas chromatography–mass spectrometry. JPC-J PLANAR CHROMAT 2020. [DOI: 10.1007/s00764-020-00072-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Otsuka M, Miyaguchi H, Uchiyama M. Analysis of nitrogen mustard degradation products via post-pentafluorobenzoylation liquid chromatography-tandem mass spectrometry. J Chromatogr A 2020; 1625:461306. [PMID: 32709349 DOI: 10.1016/j.chroma.2020.461306] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/03/2020] [Accepted: 06/03/2020] [Indexed: 01/09/2023]
Abstract
A pentafluorobenzoylation (PFBz)-liquid chromatography-tandem mass spectrometry method was developed for qualitative and quantitative analysis of ethanolamines (EAs, nitrogen mustard degradation products). With this method, highly hydrophilic EAs can be sufficiently analyzed with a commonly used reversed phase column (retention times: (PFBz)2-methyl diethanolamine, 9.1 min; (PFBz)2-ethyl diethanolamine, 9.8 min; and (PFBz)3-triethanolamine, 17.6 min). The applicability of the method for real samples was investigated via recovery tests. Methyl diethanolamine and ethyl diethanolamine were detected at concentrations as low as 1 ng/mL in serum and 10 ng/mL in urine, and quantified within the range of 1-1000 ng/mL and 10-1000 ng/mL, respectively.
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Affiliation(s)
- Mai Otsuka
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba 277-0882, Japan; Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113-0033, Japan.
| | - Hajime Miyaguchi
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba 277-0882, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113-0033, Japan; Cluster of Pioneering Research (CPR), Advanced Elements Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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Otsuka M, Miyaguchi H, Uchiyama M. Analysis of degradation products of nitrogen mustards via hydrophilic interaction liquid chromatography-tandem mass spectrometry. J Chromatogr A 2019; 1602:199-205. [PMID: 31109745 DOI: 10.1016/j.chroma.2019.05.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Revised: 05/09/2019] [Accepted: 05/10/2019] [Indexed: 12/22/2022]
Abstract
A hydrophilic interaction liquid chromatography-tandem mass spectrometry (HILIC-MS/MS) method was developed for qualitative and quantitative analysis of ethanolamines (EAs), which are nitrogen mustard degradation products. With this method, the retention times of the highly hydrophilic EAs on the HILIC column were sufficient (retention times: methyl diethanolamine, 12.2 min; ethyl diethanolamine, 11.2 min; and triethanolamine, 9.5 min) and the EAs were analyzed more efficiently than with reported HILIC-MS/MS methods. The detection limits of methyl diethanolamine and ethyl diethanolamine in serum and urine using this approach were 15-20 ng/mL. The suitability of the method for real samples was evaluated via recovery tests involving urine and serum, and the method was validated. The MS/MS fragmentation of EAs was discussed based on density functional theory calculations.
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Affiliation(s)
- Mai Otsuka
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan; Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
| | - Hajime Miyaguchi
- National Research Institute of Police Science, 6-3-1 Kashiwanoha, Kashiwa, Chiba, 277-0882, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan; Cluster of Pioneering Research (CPR), Advanced Elements Chemistry Laboratory, RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
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13
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Isotachophoretic determination of triethanolamine in cosmetic products. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-2353-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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14
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Park HN, Lee JH, Park SK, Baek SY, Lee YM, Kang H. Development and validation of rapid and simultaneous method for determination of 12 hair-growth compounds in adulterated products by UHPLC-MS/MS. Forensic Sci Int 2018; 284:129-135. [PMID: 29408720 DOI: 10.1016/j.forsciint.2017.12.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 12/20/2017] [Accepted: 12/30/2017] [Indexed: 11/26/2022]
Abstract
Synthetic hair-growth compounds have been illegally used in diverse products to enhance the short-term efficacy of these products. In this study, a rapid and simultaneous method for the determination of hair-growth compounds in adulterated products based on ultra high pressure liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) was developed and validated. The limit of detection (LOD) and limit of quantitation (LOQs) of the method were 0.08-43.6ng/mL and 0.27-145ng/mL for the solid-, liquid-, and cream-type samples, respectively. Good calibration linearity for all compounds was demonstrated with a correlation coefficient (r2) higher than 0.997. The intra- and inter-assay precisions were within 11%. The corresponding accuracies were 86-117% and 81-113%, respectively. The mean recoveries obtained for the solid-, liquid, and cream-type samples ranged from 87 to 114%, with a relative standard deviation (RSD) within 6%. The RSD of the stability evaluated at 4°C for 48h was less than 6%. The established method was used to screen 76 samples advertised as hair-growth treatments, from online and offline markets, over the course of two years. In 10% of the samples, four compounds, including triaminodil, minoxidil, finasteride, methyltestosterone, and testosterone-propionate were detected. The concentrations were in the range of 0.5-16.4mg/g. This technique provides a reliable platform for technical analysis for continuous monitoring of adulterated products to protect public health.
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Affiliation(s)
- Han Na Park
- Division of Advanced Analysis, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea
| | - Ji Hyun Lee
- Division of Advanced Analysis, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea
| | - Sung-Kwan Park
- Division of Advanced Analysis, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea
| | - Sun Young Baek
- Division of Advanced Analysis, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea; College of Pharmacy, Chungbuk National University, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea
| | - Yong-Moon Lee
- College of Pharmacy, Chungbuk National University, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea.
| | - Hoil Kang
- Division of Advanced Analysis, Toxicological Evaluation and Research Department, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Cheongju-si, Chungcheongbuk-do 28159, Republic of Korea.
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15
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Li J, Zhu M. Separation and determination of polyurethane amine catalysts in polyether polyols by using UHPLC-Q-TOF-MS on a reversed-phase/cation-exchange mixed-mode column. J Sep Sci 2017; 41:831-838. [PMID: 29193805 DOI: 10.1002/jssc.201700980] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 11/10/2017] [Accepted: 11/13/2017] [Indexed: 11/11/2022]
Abstract
A simple, selective, and accurate ultra-high performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry method was established and validated for the efficient separation and quantification of polyurethane amine catalysts in polyether polyols. Amine catalysts were primarily separated in polyether polyol-based sample by solid-phase extraction, and further baseline separated on a reversed-phase/cation-exchange mixed-mode column (SiELC Primesep™ 200) using 0.1% trifluoroacetic acid/acetonitrile as a mobile phase in gradient elution mode at a flow rate of 0.2 mL/min. High-resolution quadrupole time-of-flight mass spectrometry analysis in electrospray ionization positive mode allowed the identification as N,N'-bis[3-(dimethylamino)propyl]urea, N-[2-(2-dimethylaminoethoxy)ethyl]-N-methyl-1,3-propanediamine, and N,N,N',N'-tetramethyldipropylenetriamine. The method was validated and presented good linearity for all the analytes in blank matrices within the concentration range of 0.20-5.0 or 0.1-2.0 μg/mL with the correlation coefficients (R2 ) ranging from 0.986 to 0.997. Method recovery ranged within 81-105% at all three levels (80, 100, and 120% of the original amount) with relative standard deviations of 1.0-6.2%. The limits of detection were in the range of 0.007-0.051 μg/mL. Good precision was obtained with relative standard deviation below 3.2 and 0.72% for peak area and retention time of three amines, respectively.
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Affiliation(s)
- Jiaxiao Li
- Analytical and Physical Testing Center, Huntsman Chemistry R&D Center (Shanghai) Co., Ltd., Shanghai, China
| | - Marcel Zhu
- Analytical and Physical Testing Center, Huntsman Chemistry R&D Center (Shanghai) Co., Ltd., Shanghai, China
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Viidanoja J. Quantification of short chain amines in aqueous matrices using liquid chromatography electrospray ionization tandem mass spectrometry. J Chromatogr A 2016; 1480:106-111. [PMID: 27993393 DOI: 10.1016/j.chroma.2016.12.037] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 12/12/2016] [Accepted: 12/14/2016] [Indexed: 11/24/2022]
Abstract
A new liquid chromatography-electrospray ionization-tandem Mass Spectrometry (LC-ESI-MS/MS) method was developed for the determination of more than 20 C1-C6 alkyl and alkanolamines in aqueous matrices. The method employs Hydrophilic Interaction Liquid Chromatography Multiple Reaction Monitoring (HILIC-MRM) with a ZIC-pHILIC column and four stable isotope labeled amines as internal standards for signal normalization and quantification of the amines. The method was validated using a refinery process water sample that was obtained from a cooling cycle of crude oil distillation. The averaged within run precision, between run precision and accuracy were generally within 2-10%, 1-9% and 80-120%, respectively, depending on the analyte and concentration level. Selected aqueous process samples were analyzed with the method.
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Affiliation(s)
- Jyrki Viidanoja
- Technology Centre, Neste Corporation, P.O. Box 310, FI-06101 Porvoo, Finland.
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