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Hassan AM, Kelani KM, Hegazy MA, Nadim AH, Tantawy MA. A probe of new molecularly imprinted solid-phase extraction coupled with HPLC-DAD and atomic absorption spectrophotometry for quantification of tetracycline HCl, metronidazole and bismuth subcitrate in combination with their official impurities: Application in dosage form and human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124032. [PMID: 38301337 DOI: 10.1016/j.jchromb.2024.124032] [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: 12/12/2023] [Revised: 01/21/2024] [Accepted: 01/23/2024] [Indexed: 02/03/2024]
Abstract
The integration of molecular imprinting technique with chromatographic one has a great impact on the assay's selectivity and sensitivity. Herein, a molecularly imprinted solid-phase extraction associated with high performance liquid chromatography (MISPE-HPLC) was employed for simultaneous determination of the co-formulated drugs; tetracycline hydrochloride (TET) and metronidazole (MET), in plasma and in their anti-H-pylori drug for the first time. Two sorts of molecularly imprinted polymers (MIPs) were fabricated using TET and MET as the template molecules, while ethylene glycol dimethacrylate and methacrylic acid were used as a cross-linker and a monomer, respectively. The synthesized MIPs were identified using different techniques. The adsorption-desorption capability of each template was investigated towards its corresponding MIP. The extraction conditions of MISPE was optimized with respect to TET/MIP and MET/MIP sorbent. Bismuth subcitrate (BSC), the third co-formulated drug was analyzed in spiked human plasma using an atomic absorption spectrometric (AAS) method. The performance of the developed methods was assured as per ICH guidelines for analyzing the studied drugs in their pharmaceutical dosage form along with two of their official impurities. In addition, bioanalytical method validation was conducted where linearity was achieved at 2.0-40.0 μg mL-1, 2.0-40.0 μg mL-1 and 5.0-80.0 μg mL-1 for TET, MET and BSC, respectively.
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Affiliation(s)
- Amal M Hassan
- Analytical Chemistry Department, Faculty of Pharmacy, Modern University for Technology and Information, El-hadaba El-Wosta, Mokatam, 5th District, Cairo, Egypt
| | - Khadiga M Kelani
- Analytical Chemistry Department, Faculty of Pharmacy, Modern University for Technology and Information, El-hadaba El-Wosta, Mokatam, 5th District, Cairo, Egypt; Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Maha A Hegazy
- Pharmaceutical Chemistry Department, Faculty of Pharmacy, Future University in Egypt, Cairo, 11835, Egypt
| | - Ahmed H Nadim
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Mahmoud A Tantawy
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt; Department of Chemistry, Faculty of Pharmacy, October 6 University, 6 of October City, Giza, Egypt.
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2
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Sun H, Liu J, Mao X, Wang C, Zhao Y, Qian Y. Rapid detection of ultratrace urinary arsenic by direct sampling microplasma vaporization based on silicon nitride. Anal Chim Acta 2023; 1251:341008. [PMID: 36925294 DOI: 10.1016/j.aca.2023.341008] [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: 01/19/2023] [Revised: 02/17/2023] [Accepted: 02/23/2023] [Indexed: 02/25/2023]
Abstract
At present, immediate monitoring urinary arsenic is still a challenge for treating arsenic poisoning patients. Thus, a fast, reliable and accurate analytical approach is indispensable to monitor ultratrace arsenic in urine sample for health warning. In this work, a silicon nitride (SN) rod was first integrally utilized as a sample carrier for ≤50 μL urinary aliquot, an electric heater for removing water and ashing sample as well as a high voltage electrode for dielectric barrier discharge vaporization (DBDV). The direct analytical method of arsenic in urine without sample digestion was thus developed using atomic fluorescence spectrometer (AFS) as a model detector. After 4 V electrically heating the SN rod for 60 s, urine sample was dehydrated and ashed outside; then, DBD was exerted under 0.8 A with 0.8 L/min H2 + Ar (1:9, v:v) for 20 s to vaporize arsenic analyte from the SN rod. After optimization, 0.014 μg/L arsenic detection limit (LOD) was reached with favorable analytical precision (RSD <5%) and accuracy (91-110% recoveries) for real sample analysis. As a result, the whole analysis process only consumes <3 min to exclude complicated sample preparation; furthermore, the designed DBDV system only occupies 25 W and <2 kg, which renders a miniature sampling component to hyphenate with a miniature detector to detect arsenic. Thus, this direct sampling DBDV method extremely fulfills the fast, sensitive and precise detection of ultratrace arsenic in urine sample.
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Affiliation(s)
- Huifang Sun
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China; Beijing Ability Technology Company, Limited, Beijing, 100081, China.
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China.
| | - Chunhui Wang
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Yabo Zhao
- Beijing Ability Technology Company, Limited, Beijing, 100081, China
| | - Yongzhong Qian
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
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3
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Development of a miniaturized hydride generation-dielectric barrier discharge atomic absorption spectrometer. Anal Chim Acta 2022; 1229:340324. [DOI: 10.1016/j.aca.2022.340324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 08/22/2022] [Accepted: 08/24/2022] [Indexed: 11/16/2022]
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4
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Atomization of As and Se volatile species in a dielectric barrier discharge atomizer after hydride generation: Fate of analyte studied by selected ion flow tube mass spectrometry. Anal Chim Acta 2022; 1190:339256. [PMID: 34857132 DOI: 10.1016/j.aca.2021.339256] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 12/18/2022]
Abstract
Atomization of hydrides and their methylated analogues in a dielectric barrier discharge (DBD) plasma atomizer was investigated. Selected ion flow tube mass spectrometry (SIFT-MS) was chosen as a detector being capable of selective detection of non-atomized original volatile species allowing thus direct quantification of atomization efficiency. Selenium hydride (SeH2) and three volatile arsenic species, namely arsenic hydride (AsH3), monomethylarsane (CH3AsH2) and dimethylarsane ((CH3)2AsH), were selected as model analytes. The mechanistic study performed contributes to understanding of the atomization processes in atomic absorption spectrometry (AAS). The presented results are compatible with a complete atomization of arsenic hydride as well as its methylated analogues and with atomization efficiency of SeH2 below 80%. Using AsH3 as a model analyte and a combination of AAS and SIFT-MS detectors has revealed that the hydride is not atomized, but decomposed in the DBD atomizer in absence of hydrogen fraction in the carrier gas. Apart from investigation of analyte atomization, the SIFT-MS detector is capable of quantitative determination of water vapor content being either transported to, or produced in the atomizer. This information is crucial especially in the case of the low-power/temperature DBD atomizer since its performance is sensitive to the amount of water vapor introduced into the plasma.
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5
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Immanuel David C, Movuleeshwaran P, Jayaraj H, Prabakaran G, Parimala devi D, Kumar MS, Abiram A, Satheesh Babu T, Prabhu J, Nandhakumar R. Highly selective, reversible and ICT-based fluorescent chemosensor for bismuth ions: Applications in bacterial imaging, logic gate and food sample analysis. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2021.113558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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6
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Zhang Y, Liu J, Mao X, Chen G, Tian D. Review of miniaturized and portable optical emission spectrometry based on microplasma for elemental analysis. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116437] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Deng Y, Li K, Hou X, Jiang X. Flow injection hydride generation and on-line W-coil trapping for electrothermal vaporization dielectric barrier discharge atomic emission spectrometric determination of trace cadmium. Talanta 2021; 233:122516. [PMID: 34215131 DOI: 10.1016/j.talanta.2021.122516] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 04/16/2021] [Accepted: 04/24/2021] [Indexed: 10/21/2022]
Abstract
A fast, low-cost and sensitive method for the determination of trace cadmium was developed by using a miniaturized dielectric barrier discharge microplasma atomic emission spectrometer coupled with a tungsten coil (W-coil) for on-line hydride generation trapping-electrothermal vaporization. Total sample throughput can be greatly improved through the adoption of a horizontally fixed W-coil and the flow injection mode. In addition, the horizontally fixed W-coil and an inserted quartz capillary for on-line trapping contributed to stable and good signal even at a high gas flow rate when volatile cadmium species were trapped, and less sample-consuming and time-saving can be realized in this work. Compared to direct injection, the sensitivity and the LOD were improved by 29- and 38-fold, respectively. The proposed method provides a promising approach to develop a miniaturized instrumentation for highly sensitive detection of trace elements.
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Affiliation(s)
- Yujia Deng
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Kai Li
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Xiandeng Hou
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan, 610064, China; Key Lab of Green Chemistry & Technology of MOE, and College of Chemistry, Sichuan University, Chengdu, Sichuan, 610064, China
| | - Xiaoming Jiang
- Analytical & Testing Center, Sichuan University, Chengdu, Sichuan, 610064, China.
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Liu M, Ding L, Liu J, Mao X, Na X, Shao Y. Fast and High Sensitive Analysis of Lead in Human Blood by Direct Sampling Hydride Generation Coupled with in situ Dielectric Barrier Discharge Trap. ANAL SCI 2021; 37:321-327. [PMID: 32921651 DOI: 10.2116/analsci.20p201] [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] [Indexed: 11/23/2022]
Abstract
A direct sampling hydride generation (HG) system based on modified gas liquid separator (GLS) coupled with in situ dielectric barrier discharge (DBD) is first rendered to detect lead in blood samples. Herein, a triple-layer coaxial quartz tube was employed as DBD trap (DBDT) to replace the original atomizer of atomic fluorescence spectrometry (AFS) to satisfy the in situ preconcentration. After 40-fold dilution, foams generated from protein in a blood sample can be eliminated via the double-GLS set; and lead in a blood sample were generated as plumbane under 3.5% HNO3 (v:v) and 30 g/L NaOH with 8 g/L KBH4, 10 g/L H3BO3, and 5 g/L K3[Fe(CN)6]. Then, lead analyte was trapped on the DBD quartz surface by 9 kV discharging at 50 mL/min air; and subsequently released by 12 kV discharging at 110 mL/min H2. The absolute detection limit (LOD) for Pb was 8 pg (injection volume = 2 mL), and the linearity (R2 > 0.997) range was 0.05 - 50 μg/L. The results were in good agreement with that of blood certified reference materials (CRM), and spiked recoveries for real blood samples were 95 - 104% within a relative standard deviation of 5% (RSD). Via gas phase enrichment, the established method improved analytical sensitivity (peak height) by 8 times. The entire analysis time including blood sample preparation can be kept to within 10 min. The combination of modified GLS and DBDT can facilitate the quickness, accuracy, and sensitivity, revealing a promising future for monitoring lead in blood to protect humans, especially children's health.
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Affiliation(s)
- Meitong Liu
- College of Chemistry, Jilin University.,Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs
| | - Lan Ding
- College of Chemistry, Jilin University
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs.,Beijing Ability Technology Company, Limited
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs
| | - Xing Na
- Beijing Ability Technology Company, Limited
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9
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Review: Miniature dielectric barrier discharge (DBD) in analytical atomic spectrometry. Anal Chim Acta 2021; 1147:211-239. [DOI: 10.1016/j.aca.2020.11.034] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 11/17/2020] [Accepted: 11/22/2020] [Indexed: 11/24/2022]
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10
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In situ preconcentration of lead by dielectric barrier discharge and its application to high sensitivity surface water analysis. Talanta 2020; 219:121182. [PMID: 32887100 DOI: 10.1016/j.talanta.2020.121182] [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] [Received: 02/09/2020] [Revised: 05/09/2020] [Accepted: 05/14/2020] [Indexed: 11/23/2022]
Abstract
A novel dielectric barrier discharge (DBD) reactor was utilized to in situ enrich and atomize lead in gas phase. The structure of DBD reactor was optimized to broaden the acidity window of plumbane generation from 1% to 3.5%, bringing better analytical stability and practicability deriving from hydride generation process. For the first time DBD proved effective in lead preconcentration and broadening the acidity window of plumbane generation. Pb can be trapped quantitatively (~100%) on the quartz surface of DBD tube under O2-containing atmosphere and released (~100%) under H2-containing atmosphere. The absolute detection limit (LOD) for Pb was 4.1 pg (injection volume = 1.2 mL), and the linear (R2 > 0.999) range was 0.05-100 μg/L. The results were in good agreement with those of certified reference materials (CRMs), and spiked recoveries for surface water samples were 99-104% with 2-8% RSD. By gas phase analyte enrichment, the proposed method reduced absolute LOD by 10 times. It was deduced that plumbane was changed to lead oxide species trapped on the quartz tube surface and then released, and transported in form of atoms to the detection zone.
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11
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Zhang Y, Ma J, Na X, Shao Y, Liu J, Mao X, Chen G, Tian D, Qian Y. A portable and field optical emission spectrometry coupled with microplasma trap for high sensitivity analysis of arsenic and antimony simultaneously. Talanta 2020; 218:121161. [PMID: 32797916 DOI: 10.1016/j.talanta.2020.121161] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 05/12/2020] [Accepted: 05/13/2020] [Indexed: 01/12/2023]
Abstract
In this work, a portable and reliable optical emission spectrometric (OES) instrument based on solid acid hydride generation (HG) and subsequent in situ dielectric barrier discharge (DBD) preconcentration was first developed for simultaneous and field analysis of ultratrace As and Sb in environmental water. In situ DBD fulfilled both gas phase enrichment (GPE) and excitation; effective enrichment made it possible to use a low-cost charge coupled device (CCD) as detector. To simplify field protocol, solid tablet made from sulfamic acid was first used to replace hydrochloric acid for co-generation of As and Sb hydrides. Moisture interference was eliminated by carrier gas sweeping without any desiccant. After calculating peak volume for emission data handling, detection limits (LODs) were 0.5 μg L-1 for As and 0.2 μg L-1 for Sb, respectively, with <3% relative standard deviations (RSDs) at 10 μg L-1; linear dynamic ranges (R2>0.995) were 2-200 μg L-1 for As and 1-200 μg L-1 for Sb, respectively. The results agreed with certified values of CRMs and recoveries were 87-97% vs. inductively coupled plasma mass spectrometry. The running costs can be controlled within one dollar per use. This HG-in situ DBD trap-OES scheme, with demonstrated advantages in sensitivity, low-cost, power (<60 W), size (0.6 m × 0.5 m × 0.3 m), weight (15 kg), gas consumption (300 measurements per 4 L tank), and multi-element capability, was implemented in a miniature spectrometer for field analysis.
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Affiliation(s)
- Yaru Zhang
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China; College of Instrumentation & Electrical Engineering, Jilin University, Changchun, 130023, China
| | - Ji Ma
- Beijing Ability Technology Company, Limited, Beijing, 100081, China
| | - Xing Na
- Beijing Ability Technology Company, Limited, Beijing, 100081, China
| | - Yunbin Shao
- Beijing Ability Technology Company, Limited, Beijing, 100081, China
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China; Beijing Ability Technology Company, Limited, Beijing, 100081, China.
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China.
| | - Guoying Chen
- U.S. Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 E. Mermaid Lane, Wyndmoor, PA, 19038, USA
| | - Di Tian
- College of Instrumentation & Electrical Engineering, Jilin University, Changchun, 130023, China
| | - Yongzhong Qian
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, And Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
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12
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Liu M, Ding L, Liu J, Na X, Mao X. High Sensitivity Determination of Antimony with Application for the Characterization of Its Migration in Bottled Water by a Dielectric Barrier Discharge (DBD) Coupled with Hydride Generation – Atomic Fluorescence Spectrometry (HG-AFS). ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1789989] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Meitong Liu
- College of Chemistry, Jilin University, Changchun, China
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, China
| | - Lan Ding
- College of Chemistry, Jilin University, Changchun, China
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, China
- Beijing Ability Technology Company, Limited, Beijing, China
| | - Xing Na
- Beijing Ability Technology Company, Limited, Beijing, China
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing, China
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13
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Zhang M, Wang J, Jia T, Qiu J, Zhu H, Gao Y. Two water-soluble fluorescence probes based on 5(6)-carboxyl rhodamine for Cu 2+ imaging in living cells. LUMINESCENCE 2020; 35:1101-1108. [PMID: 32485078 DOI: 10.1002/bio.3822] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 04/12/2020] [Accepted: 04/23/2020] [Indexed: 11/05/2022]
Abstract
Two novel water-soluble fluorescence probes T1 and T2 based on 5(6)-carboxyl rhodamine were designed and synthesized using a regioselective reaction. The probes exhibited highly selective and sensitive recognition toward Cu2+ over other metal ions in acetonitrile/Tris-HCl buffer solution (2:98, v/v; pH 7.4). Detection limits were 0.4 μM for T1 and 4.50 μM for T2 based on fluorescence titration analysis. Furthermore, probe T1 was successfully applied in cell imaging experiments to monitor Cu2+ in cells.
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Affiliation(s)
- Mengyao Zhang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Jun Wang
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Ting Jia
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Jianwen Qiu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China
| | - Hu Zhu
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China.,Fujian Provincial University Engineering Research Center of Industrial Biocatalysis, Fujian Normal University, Fuzhou, China
| | - Yong Gao
- College of Chemistry and Materials Science, Fujian Normal University, Fuzhou, China.,Fujian Provincial University Engineering Research Center of Industrial Biocatalysis, Fujian Normal University, Fuzhou, China
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Liu M, Liu J, Mao X, Na X, Ding L, Qian Y. High Sensitivity Analysis of Selenium by Ultraviolet Vapor Generation Combined with Microplasma Gas Phase Enrichment and the Mechanism Study. Anal Chem 2020; 92:7257-7264. [DOI: 10.1021/acs.analchem.0c00878] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Meitong Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
- Beijing Ability Technology Company, Limited, Beijing 100081, China
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
| | - Xing Na
- Beijing Ability Technology Company, Limited, Beijing 100081, China
| | - Lan Ding
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Yongzhong Qian
- Institute of Quality Standard and Testing Technology for Agro-products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Key Laboratory of Agro-food Safety and Quality, Ministry of Agriculture and Rural Affairs, Beijing 100081, China
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15
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Voráč J, Kusýn L, Synek P. Deducing rotational quantum-state distributions from overlapping molecular spectra. THE REVIEW OF SCIENTIFIC INSTRUMENTS 2019; 90:123102. [PMID: 31893823 DOI: 10.1063/1.5128455] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 11/11/2019] [Indexed: 06/10/2023]
Abstract
A novel method for fast and robust calculation of Boltzmann plots from molecular spectra is presented. Its use is demonstrated on the OH(A-X) spectrum near 310 nm. A limitation of the method is identified: for overlapping spectra of the OH(A-X) and N2(C-B, Δv = 1) band sequence, the calculation may often fail due to insufficient number of measured points. This is solved by introducing experimentally determined bounds for the N2(C) rotational distribution. Three cases are presented: (i) with undisturbed OH(A-X) emission, (ii) with strong emission of N2(C-B) in the said spectral range, and (iii) with weak but not negligible nitrogen emission. In case (ii), the data in the spectral range 306-320 nm are sufficient for the analysis. In case (iii), information from another spectral range with undisturbed N2(C-B) emission is necessary. These illustrate all relevant cases often encountered in laboratory plasmas. The calculated Boltzmann plots are not further analyzed in this article but can be used for development and validation of kinetic models with rotational resolution. The implementation of the reported method using the massiveOES software package written in the Python language is available in the supplementary material.
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Affiliation(s)
- Jan Voráč
- Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Lukáš Kusýn
- Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
| | - Petr Synek
- Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic
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Pohl P, Greda K, Dzimitrowicz A, Welna M, Szymczycha-Madeja A, Lesniewicz A, Jamroz P. Cold atmospheric plasma-induced chemical vapor generation in trace element analysis by spectrometric methods. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.02.015] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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17
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Jia Y, Mou Q, Yu Y, Shi Z, Huang Y, Ni S, Wang R, Gao Y. Reduction of Interferences Using Fe-Containing Metal–Organic Frameworks for Matrix Separation and Enhanced Photochemical Vapor Generation of Trace Bismuth. Anal Chem 2019; 91:5217-5224. [DOI: 10.1021/acs.analchem.8b05893] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Yutao Jia
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Qing Mou
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Ying Yu
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Zeming Shi
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Yi Huang
- Institute of Environment, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Shijun Ni
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Ruilin Wang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Ying Gao
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, College of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
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18
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Yu Y, Jia Y, Shi Z, Chen Y, Ni S, Wang R, Tang Y, Gao Y. Enhanced Photochemical Vapor Generation for the Determination of Bismuth by Inductively Coupled Plasma Mass Spectrometry. Anal Chem 2018; 90:13557-13563. [PMID: 30345736 DOI: 10.1021/acs.analchem.8b03681] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
An enhanced photochemical vapor generation (PVG) sample introduction procedure is developed for the determination of trace Bi with inductively coupled plasma mass spectrometry (ICP MS) by the addition of iron. Gas chromatography mass spectrometry (GC-MS) reveals that (CH3)3Bi is the major component of the volatile Bi species formed in the presence of 20% (v/v) acetic acid, 5% (v/v) formic acid, and 60 μg mL-1 Fe3+ under UV irradiation. The addition of Fe3+ not only largely increases the PVG efficiency of Bi3+ but also accelerates the reaction kinetics of photochemical reduction of Bi3+. The analytical sensitivity was enhanced 30-fold using PVG for sample introduction compared to that for direct solution nebulization detection by ICP MS detection. Furthermore, the proposed method shows much better tolerance of interference from Cu2+ and Ni2+ than that from conventional hydride generation (HG). Under the optimized conditions, a detection limit of 0.3 ng L-1 was obtained for Bi by ICP MS determination. The relative standard deviation (RSD) was 2.5% for seven replicate measurements of 0.5 ng mL-1 Bi3+ standard solution. The proposed method has been successfully applied for the determination of Bi in environmental samples, including water samples, and certified reference material of soil (GSS-1) and sediments (GSD-5a and GSD-10) with satisfying results.
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Affiliation(s)
- Ying Yu
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection , Chengdu University of Technology , Sichuan 610059 , China.,College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
| | - Yutao Jia
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection , Chengdu University of Technology , Sichuan 610059 , China.,College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
| | - Zeming Shi
- College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
| | - Youliang Chen
- College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
| | - Shijun Ni
- College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
| | - Ruilin Wang
- College of Materials and Chemistry & Chemical Engineering , Chengdu University of Technology , Sichuan 610059 , China
| | - Yurong Tang
- College of Materials and Chemistry & Chemical Engineering , Chengdu University of Technology , Sichuan 610059 , China
| | - Ying Gao
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection , Chengdu University of Technology , Sichuan 610059 , China.,College of Earth Sciences , Chengdu University of Technology , Sichuan 610059 , China
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19
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Dielectric barrier discharge induced atomization of gaseous methylethylmercury after NaBEt4 derivatization with purge and trap preconcentration for methylmercury determination in seawater by GC-AFS. Microchem J 2018. [DOI: 10.1016/j.microc.2018.05.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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20
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Recent trends in atomic fluorescence spectrometry towards miniaturized instrumentation-A review. Anal Chim Acta 2018; 1019:25-37. [DOI: 10.1016/j.aca.2018.01.061] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 01/24/2018] [Accepted: 01/25/2018] [Indexed: 01/07/2023]
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21
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Zurynková P, Dědina J, Kratzer J. Trace determination of antimony by hydride generation atomic absorption spectrometry with analyte preconcentration/atomization in a dielectric barrier discharge atomizer. Anal Chim Acta 2018; 1010:11-19. [DOI: 10.1016/j.aca.2018.01.033] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/17/2018] [Accepted: 01/18/2018] [Indexed: 01/04/2023]
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22
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Kratzer J, Musil S, Marschner K, Svoboda M, Matoušek T, Mester Z, Sturgeon RE, Dědina J. Behavior of selenium hydride in heated quartz tube and dielectric barrier discharge atomizers. Anal Chim Acta 2018; 1028:11-21. [PMID: 29884347 DOI: 10.1016/j.aca.2018.05.053] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Revised: 05/13/2018] [Accepted: 05/20/2018] [Indexed: 11/19/2022]
Abstract
Atomization of SeH2 in an externally heated multiple microflame quartz tube atomizer (MMQTA) as well as planar dielectric barrier discharge (DBD) atomizer was investigated using a variety of probes. Deposits of Se on inner surfaces of the atomizers were quantified and their distribution visualized by autoradiography with 75Se radiotracer. The gas phase fraction of Se transported beyond the confines of the atomizers was also determined. In the MMQTA, a 15% mass fraction of Se was deposited in a narrow zone at both colder ends of the optical arm (100-400 °C). By contrast, a 25-40% mass fraction of Se was deposited homogeneously along the entire length of the optical arm of the DBD, depending on detection technique employed. The fraction of Se transported outside the MMQTA approached 90%, whereas it was 50-70% in the DBD. The presence of H2 was essential for atomization of selenium hydride in both atomizers. The gaseous effluent arising from the hydride generator as well as the atomizers was investigated by direct analysis in real time (DART) coupled to an Orbitrap-mass spectrometer, enabling identification of major gas phase species of Se.
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Affiliation(s)
- Jan Kratzer
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic.
| | - Stanislav Musil
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic
| | - Karel Marschner
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic
| | - Milan Svoboda
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic
| | - Tomáš Matoušek
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic
| | - Zoltán Mester
- National Research Council of Canada, 1200 Montreal Road, Ottawa, ON, K1A 0R6, Canada
| | - Ralph E Sturgeon
- National Research Council of Canada, 1200 Montreal Road, Ottawa, ON, K1A 0R6, Canada
| | - Jiří Dědina
- Czech Academy of Sciences, Institute of Analytical Chemistry, Veveří 97, CZ-602 00, Brno, Czech Republic
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23
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Qi Y, Mao X, Liu J, Na X, Chen G, Liu M, Zheng C, Qian Y. In Situ Dielectric Barrier Discharge Trap for Ultrasensitive Arsenic Determination by Atomic Fluorescence Spectrometry. Anal Chem 2018; 90:6332-6338. [DOI: 10.1021/acs.analchem.8b01199] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Yuehan Qi
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Xuefei Mao
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Jixin Liu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Xing Na
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
- Beijing Ability Technique Company, Limited, Beijing 100081, China
| | - Guoying Chen
- U.S. Department of Agriculture, Agricultural Research Service, Eastern Regional Research Center, 600 East Mermaid Lane, Wyndmoor, Pennsylvania 19038, United States
| | - Meitong Liu
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
- College of Chemistry, Jilin University, Changchun 130012, China
| | - Chuangmu Zheng
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Yongzhong Qian
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences and Key Laboratory of Agro-Food Safety and Quality, Ministry of Agriculture, Beijing 100081, China
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24
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Zheng K, Dolan MJ, Haferl PJ, Badiei H, Jorabchi K. Atmospheric-Pressure Dielectric Barrier Discharge as an Elemental Ion Source for Gas Chromatographic Analysis of Organochlorines. Anal Chem 2018; 90:2148-2154. [DOI: 10.1021/acs.analchem.7b04446] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Kunyu Zheng
- Department
of Chemistry, Georgetown University, Washington, DC 20057, United States
| | - Michael J. Dolan
- Department
of Chemistry, Georgetown University, Washington, DC 20057, United States
| | - Peter J. Haferl
- Department
of Chemistry, Georgetown University, Washington, DC 20057, United States
| | - Hamid Badiei
- PerkinElmer Inc., Woodbridge, ON L4L 8H1, Canada
| | - Kaveh Jorabchi
- Department
of Chemistry, Georgetown University, Washington, DC 20057, United States
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25
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Vyhnanovský J, Kratzer J, Benada O, Matoušek T, Mester Z, Sturgeon RE, Dědina J, Musil S. Diethyldithiocarbamate enhanced chemical generation of volatile palladium species, their characterization by AAS, ICP-MS, TEM and DART-MS and proposed mechanism of action. Anal Chim Acta 2017; 1005:16-26. [PMID: 29389315 DOI: 10.1016/j.aca.2017.12.013] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 12/04/2017] [Accepted: 12/06/2017] [Indexed: 11/27/2022]
Abstract
Comprehensive investigation of chemical generation of volatile species (VSG) of palladium for detection by analytical atomic and mass spectrometry and, specifically, the mechanistic aspects of their formation and tentative identification are presented. VSG was achieved in a flow injection mode using a generator that permitted rapid mixing of acidified sample with NaBH4 reductant. Atomization in a diffusion flame with detection by atomic absorption spectrometry was exclusively used for optimization of generation conditions while inductively coupled plasma mass spectrometry was utilized to investigate overall system efficiency and analytical metrics of the VSG system for potential ultratrace analysis. Sodium diethyldithiocarbamate (DDTC) served as a crucial reaction modifier, enhancing overall system efficiency 9-fold. Combinations of modifiers, Triton X-100 and Antifoam B surfactants provided a synergistic effect to yield a further 2-fold enhancement of VSG. The overall system efficiency was in the range 16-22%, with higher efficiencies correlating with higher Pd concentrations. The contribution of co-generated aerosol to the overall system efficiency, determined by means of concurrent measurement of added Cs, was negligible - less than 0.1%. The nature of the volatile species was investigated using several approaches, but principally by transmission electron microscopy (TEM) after their collection on a grid, and by direct analysis in real time (DART) using high resolution orbitrap mass spectrometry. These experiments suggest a parallel but dual-route mechanism of VSG of Pd, one attributed to generation of a volatile DDTC chelate of Pd and a second to nanoparticle formation.
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Affiliation(s)
- Jaromír Vyhnanovský
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic; Charles University in Prague, Faculty of Science, Department of Analytical Chemistry, Albertov 8, 128 43 Prague, Czech Republic
| | - Jan Kratzer
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic
| | - Oldřich Benada
- Institute of Microbiology of the Czech Academy of Sciences, Vídeňská 1083, 142 20 Prague 4, Czech Republic
| | - Tomáš Matoušek
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic
| | - Zoltán Mester
- National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Ralph E Sturgeon
- National Research Council of Canada, 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Jiří Dědina
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic
| | - Stanislav Musil
- Institute of Analytical Chemistry of the Czech Academy of Sciences, Veveří 97, 602 00 Brno, Czech Republic.
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26
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Dvořák P, Talába M, Obrusník A, Kratzer J, Dědina J. Concentration of atomic hydrogen in a dielectric barrier discharge measured by two-photon absorption fluorescence. ACTA ACUST UNITED AC 2017. [DOI: 10.1088/1361-6595/aa76f7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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27
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Dvořák P, Mrkvičková M, Obrusník A, Kratzer J, Dědina J, Procházka V. Fluorescence measurement of atomic oxygen concentration in a dielectric barrier discharge. ACTA ACUST UNITED AC 2017. [DOI: 10.1088/1361-6595/aa70da] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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28
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Novák P, Dědina J, Kratzer J. Preconcentration and Atomization of Arsane in a Dielectric Barrier Discharge with Detection by Atomic Absorption Spectrometry. Anal Chem 2016; 88:6064-70. [DOI: 10.1021/acs.analchem.6b01365] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Petr Novák
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveří 97, 60200 Brno, Czech Republic
- Charles University in Prague, Faculty of Science,
Department of Analytical Chemistry, Hlavova 8, Prague 2 CZ
128 43 Czech Republic
| | - Jiří Dědina
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveří 97, 60200 Brno, Czech Republic
| | - Jan Kratzer
- Institute of Analytical Chemistry of the CAS, v. v. i., Veveří 97, 60200 Brno, Czech Republic
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29
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Mao X, Qi Y, Huang J, Liu J, Chen G, Na X, Wang M, Qian Y. Ambient-Temperature Trap/Release of Arsenic by Dielectric Barrier Discharge and Its Application to Ultratrace Arsenic Determination in Surface Water Followed by Atomic Fluorescence Spectrometry. Anal Chem 2016; 88:4147-52. [DOI: 10.1021/acs.analchem.6b00506] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Xuefei Mao
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Yuehan Qi
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Junwei Huang
- Beijing Titan Instruments Company, Limited, Beijing 100015, China
| | - Jixin Liu
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
- Beijing Titan Instruments Company, Limited, Beijing 100015, China
| | - Guoying Chen
- Eastern
Regional Research Center, Agricultural Research Service, U.S. Department of Agriculture, 600 East Mermaid Lane, Wyndmoor, Pennsylvania 19038, United States
| | - Xing Na
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Min Wang
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
| | - Yongzhong Qian
- Institute
of Quality Standard and Testing Technology for Agro-products, Chinese
Academy of Agricultural Sciences, and Key Laboratory of Agro-food
Safety and Quality, Ministry of Agriculture, Beijing 100081, China
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30
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Kratzer J, Zelina O, Svoboda M, Sturgeon RE, Mester Z, Dědina J. Atomization of Bismuthane in a Dielectric Barrier Discharge: A Mechanistic Study. Anal Chem 2016; 88:1804-11. [PMID: 26796626 DOI: 10.1021/acs.analchem.5b04095] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Atomization of bismuthane in a planar dielectric barrier discharge (DBD) atomizer was investigated using a variety of probes, including atomic absorption spectrometry (AAS) to monitor distribution of free atoms along the optical path and direct analysis in real time (DART) coupled to an Orbitrap mass spectrometer to identify the structure of the species arising from the hydride generator as well as the atomizer. Results obtained with the DBD were compared to those from a conventional externally heated quartz tube atomizer (QTA). Free Bi atoms were essentially absent outside the central part of the DBD atomizer, suggesting their high reactivity. The gas phase analyte fraction transported beyond the confines of the DBD or QTA atomizers, quantified by inductively coupled plasma mass spectrometry (ICP-MS), was less than 10%. The amount of Bi found in acidic leachates of the interiors of both atomizers, representing the fraction retained on their surfaces, was ca. 90%. These complementary experiments comprising the determination of recovered Bi in the nitric acid leachates from deposition in the atomizer on the one hand and quantification of the Bi fraction transportable outside the atomizer on the other, were in excellent agreement, providing 100% mass balance of detected analyte. The high fraction of Bi deposited in the atomizers indicates significant reactivity of free Bi atoms, which is in accord with the fact that almost no free Bi atoms exist beyond the physical boundaries of the DBD. The extent of interference from other hydride forming elements (As, Sb, Se) on Bi response by AAS using DBD and QTA atomizers was investigated, with the former atomizer providing superior performance. Compared to QTA, DBD provided 2 orders of magnitude and 1 order of magnitude, respectively, better resistance to interference from Se and Sb.
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Affiliation(s)
- Jan Kratzer
- Institute of Analytical Chemistry of the CAS, v. v. i. , Veveří 97, 60200 Brno, Czech Republic.,National Research Council of Canada , 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Ondřej Zelina
- Institute of Analytical Chemistry of the CAS, v. v. i. , Veveří 97, 60200 Brno, Czech Republic.,Academician Heyrovský Secondary Industrial School of Chemistry , Středoškolská 2854/1, 70030 Ostrava, Czech Republic
| | - Milan Svoboda
- Institute of Analytical Chemistry of the CAS, v. v. i. , Veveří 97, 60200 Brno, Czech Republic
| | - Ralph E Sturgeon
- National Research Council of Canada , 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Zoltán Mester
- National Research Council of Canada , 1200 Montreal Road, Ottawa, Ontario K1A 0R6, Canada
| | - Jiří Dědina
- Institute of Analytical Chemistry of the CAS, v. v. i. , Veveří 97, 60200 Brno, Czech Republic
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31
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Ion pairing based polyurethane foam sorbent packed column combined with inductively coupled plasma–optical emission spectrometry for sensitive determination and chemical speciation of bismuth(III & V) in water. J IND ENG CHEM 2015. [DOI: 10.1016/j.jiec.2015.02.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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32
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Gao Y, Xu M, Sturgeon RE, Mester Z, Shi Z, Galea R, Saull P, Yang L. Metal Ion-Assisted Photochemical Vapor Generation for the Determination of Lead in Environmental Samples by Multicollector-ICPMS. Anal Chem 2015; 87:4495-502. [DOI: 10.1021/acs.analchem.5b00533] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ying Gao
- Chemical
Metrology, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
- State
Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, Sichuan 610059, China
- College
of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Mo Xu
- State
Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Ralph E. Sturgeon
- Chemical
Metrology, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
| | - Zoltán Mester
- Chemical
Metrology, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
| | - Zeming Shi
- College
of Earth Sciences, Chengdu University of Technology, Chengdu, Sichuan 610059, China
| | - Raphael Galea
- Ionizing
Radiation Standards, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
| | - Patrick Saull
- Ionizing
Radiation Standards, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
| | - Lu Yang
- Chemical
Metrology, Measurement Science and Standards, National Research Council Canada, Ottawa, Ontario K1A 0R6, Canada
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