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Newsome GA, Birdsall ER, Cody RB. Selective Sampling to and Desorption from Single Solid-Phase Microextraction Arrow Fiber for Replicative and Quantitative Analysis. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2024; 35:527-533. [PMID: 38319726 DOI: 10.1021/jasms.3c00394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
New analytical functionality is demonstrated with an enclosed interface that joins a solid phase microextraction (SPME) device, a direct analysis in real time (DART) probe, and a high-resolution mass spectrometer. With a single 20 mm long SPME Arrow, the interface is able to perform five discrete DART analyses on different areas of the same fiber in 1 min of practical operation time. Three-fiber replicates for 15 runs total produce 15% or better center of variance (CV) values for both volatile headspace sampling and direct immersion sampling of a solvated analyte. Chemometric analysis of rapidly acquired headspace data is able to distinguish volatile profiles. Selective desorption within the interface also confers the ability to selectively sample to discrete areas of a fiber, and three different headspace samples or five different liquid samples can be acquired and differentiated with one Arrow. A five-point standard addition curve is constructed to measure the concentration of the solvated analyte. Unmodified commercial components of the analysis system include the fiber itself, the Orbitrap and AccuTOF mass spectrometer platforms, and the conditioning gas chromatograph inlet. Machine diagrams for the SPME-DART interface and Arrow fiber holder are included.
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Affiliation(s)
- G Asher Newsome
- Smithsonian Institution Museum Conservation Institute, Suitland, Maryland 20746, United States
| | - Erin R Birdsall
- Smithsonian Institution Museum Conservation Institute, Suitland, Maryland 20746, United States
- Smithsonian National Museum of the American Indian, Suitland, Maryland 20746, United States
| | - Robert B Cody
- JEOL USA Inc, Peabody, Massachusetts 01960, United States
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Millán-Santiago J, Lucena R, Cárdenas S. Nylon 6-cellulose composite hosted in a hypodermic needle: Biofluid extraction and analysis by ambient mass spectrometry in a single device. J Pharm Anal 2023; 13:1346-1352. [PMID: 38174121 PMCID: PMC10759252 DOI: 10.1016/j.jpha.2023.06.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 05/28/2023] [Accepted: 06/27/2023] [Indexed: 01/05/2024] Open
Abstract
This study proposes a hypodermic needle (HN) as a sorbent holder and an electrospray (ESI) emitter, thus combining extraction and analysis in a single device. A novel nylon 6-cellulose (N6-Cel) composite sorbent is proposed to extract methadone from oral fluid samples. The cellulosic substrate provides the composite with high porosity, permitting the flow-through of the sample, while the polyamide contributes to the extraction of the analyte. The low price of the devices (considering the holder and the sorbent) contributes to the affordability of the method, and their small size allows easy transportation, opening the door to on-site extractions. Under the optimum conditions, the analyte can be determined by high-resolution ambient ionization mass spectrometry at a limit of detection (LOD) as low as 0.3 μg/L and precision (expressed as relative standard deviation, RSD) better than 9.3%. The trueness, expressed as relative recovery (RR), ranged from 90% to 109%. As high-resolution mass spectrometers are not available in many laboratories, the method was also adapted to low-resolution spectrometers. In this sense, the direct infusion of the eluates in a triple quadrupole-mass spectrometry provided an LOD of 2.2 μg/L. The RSD was better than 5.3%, and the RR ranged from 96% to 121%.
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Affiliation(s)
- Jaime Millán-Santiago
- Affordable and Sustainable Sample Preparation (AS2P) Research Group, Analytical Chemistry Department, Chemical Institute for Energy and Environment (IQUEMA), University of Cordoba, E-14071, Cordoba, Spain
| | - Rafael Lucena
- Affordable and Sustainable Sample Preparation (AS2P) Research Group, Analytical Chemistry Department, Chemical Institute for Energy and Environment (IQUEMA), University of Cordoba, E-14071, Cordoba, Spain
| | - Soledad Cárdenas
- Affordable and Sustainable Sample Preparation (AS2P) Research Group, Analytical Chemistry Department, Chemical Institute for Energy and Environment (IQUEMA), University of Cordoba, E-14071, Cordoba, Spain
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Emmons RV, Fatigante W, Olomukoro AA, Musselman B, Gionfriddo E. Rapid Screening and Quantification of PFAS Enabled by SPME-DART-MS. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:1890-1897. [PMID: 37260314 DOI: 10.1021/jasms.3c00088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Per- and polyfluoroalkyl substances (PFAS), an emerging class of toxic anthropogenic chemicals persistent in the environment, are currently regulated at the low part-per-trillion level worldwide in drinking water. Quantification and screening of these compounds currently rely primarily on liquid chromatography hyphenated to mass spectrometry (LC-MS). The growing need for quicker and more robust analysis in routine monitoring has been, in many ways, spearheaded by the advent of direct ambient mass spectrometry (AMS) technologies. Direct analysis in real time (DART), a plasma-based ambient ionization technique that permits rapid automated analysis, effectively ionizes a broad range of compounds, including PFAS. This work evaluates the performance of DART-MS for the screening and quantification of PFAS of different chemical classes, employing a central composite design (CCD) to better understand the interactions of DART parameters on their ionization. Furthermore, in-source fragmentation of the model PFAS was investigated based on the DART parameters evaluated. Preconcentration of PFAS from water samples was achieved by solid phase microextraction (SPME), and extracts were analyzed using the optimized DART-MS conditions, which allowed obtaining linear dynamic ranges (LDRs) within 10 and 5000 ng/L and LOQs of 10, 25, and 50 ng/L for all analytes. Instrumental analysis was achieved in less than 20 s per sample.
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Affiliation(s)
- Ronald V Emmons
- Department of Chemistry, The University of Toledo, Toledo, Ohio 43606, United States
- Dr. Nina McClelland Laboratory for Water Chemistry and Environmental Analysis, The University of Toledo, Toledo, Ohio 43606, United States
| | - William Fatigante
- Bruker Scientific LLC, Billerica, Massachusetts 01821, United States
| | - Aghogho A Olomukoro
- Department of Chemistry, The University of Toledo, Toledo, Ohio 43606, United States
- Dr. Nina McClelland Laboratory for Water Chemistry and Environmental Analysis, The University of Toledo, Toledo, Ohio 43606, United States
| | - Brian Musselman
- Bruker Scientific LLC, Billerica, Massachusetts 01821, United States
| | - Emanuela Gionfriddo
- Department of Chemistry, The University of Toledo, Toledo, Ohio 43606, United States
- Dr. Nina McClelland Laboratory for Water Chemistry and Environmental Analysis, The University of Toledo, Toledo, Ohio 43606, United States
- School of Green Chemistry and Engineering, The University of Toledo, Toledo, Ohio 43606, United States
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Workman J. The 2023 Lifetime Achievement and Emerging Leader in Chromatography Awards. LCGC NORTH AMERICA 2023. [DOI: 10.56530/lcgc.na.pe3372w9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Peter Schoenmakers and Emanuela Gionfriddo are the winners of the 16th annual LCGC Lifetime Achievement and Emerging Leader in Chromatography Awards, respectively. The LCGC Awards honor the work of leading separation scientists for lifetime achievement and emerging potential. The award winners will be honored in an oral symposium at the Pittcon 2023 conference in March 2023 in Philadelphia, Pennsylvania, USA.
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Janpum C, Pombubpa N, Monshupanee T, Incharoensakdi A, In-Na P. Advancement on mixed microalgal-bacterial cultivation systems for nitrogen and phosphorus recoveries from wastewater to promote sustainable bioeconomy. J Biotechnol 2022; 360:198-210. [PMID: 36414126 DOI: 10.1016/j.jbiotec.2022.11.008] [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: 03/28/2022] [Revised: 11/07/2022] [Accepted: 11/17/2022] [Indexed: 11/21/2022]
Abstract
Biological wastewater treatment is a promising and environmentally friendly method that utilises living microorganisms to remediate water and enable recovery or conversion of contaminants into valuable products. For many decades, microalgae and cyanobacteria, photosynthetic living microorganisms, have been explored extensively for wastewater bioremediation. They can be used for recovering valuable nutrients such as nitrogen and phosphorous from secondary effluents and capable of transforming those nutrients into marketable products such as biofuels, biofertilisers, nutraceutical, and pigments for promoting a Bio-Circular Green economy. In recent years, there has been a shift towards mixing compatible microalgae with bacteria, which is inspired by their natural symbiotic relationships to increase nitrogen and phosphorus recoveries. With this enhanced bioremediation, recovery of polluted wastes can be intensified and higher biomass quality (with high nutrient density) can be achieved. This review focuses on the state-of-the-art of mixed microalgal-bacterial cultivating systems. A comprehensive comparison of existing studies that used Chlorella species as microalgae in various mixed microalgal-bacterial cultivating systems (suspension, biofilm, and immobilisation) for nitrogen and phosphorus recoveries from wastewater is conducted. Key technical challenges such as balancing microalgae and bacteria species, pH regulation, light distribution, biomass harvesting, and biomass conversion are also discussed. From the data comparisons among different cultivation systems, it has been suggested that immobilisation appears to require less amount of operational light compared to the suspended and biofilm-based systems for similar nitrogen and phosphorus removal efficiencies.
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Affiliation(s)
- Chalampol Janpum
- Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Nuttapon Pombubpa
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Tanakarn Monshupanee
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Aran Incharoensakdi
- Department of Biochemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Pichaya In-Na
- Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
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Rankin‐Turner S, Reynolds JC, Turner MA, Heaney LM. Applications of ambient ionization mass spectrometry in 2021: An annual review. ANALYTICAL SCIENCE ADVANCES 2022; 3:67-89. [PMID: 38715637 PMCID: PMC10989594 DOI: 10.1002/ansa.202100067] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/17/2022] [Accepted: 02/27/2022] [Indexed: 06/26/2024]
Abstract
Ambient ionization mass spectrometry (AIMS) has revolutionized the field of analytical chemistry, enabling the rapid, direct analysis of samples in their native state. Since the inception of AIMS almost 20 years ago, the analytical community has driven the further development of this suite of techniques, motivated by the plentiful advantages offered in addition to traditional mass spectrometry. Workflows can be simplified through the elimination of sample preparation, analysis times can be significantly reduced and analysis remote from the traditional laboratory space has become a real possibility. As such, the interest in AIMS has rapidly spread through analytical communities worldwide, and AIMS techniques are increasingly being integrated with standard laboratory operations. This annual review covers applications of AIMS techniques throughout 2021, with a specific focus on AIMS applications in a number of key fields of research including disease diagnostics, forensics and security, food safety testing and environmental sciences. While some new techniques are introduced, the focus in AIMS research is increasingly shifting from the development of novel techniques toward efforts to improve existing AIMS techniques, particularly in terms of reproducibility, quantification and ease-of-use.
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Affiliation(s)
- Stephanie Rankin‐Turner
- W. Harry Feinstone Department of Molecular Microbiology and ImmunologyJohns Hopkins Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreMarylandUSA
| | - James C. Reynolds
- Department of ChemistryLoughborough UniversityLoughboroughLeicestershireUK
| | - Matthew A. Turner
- Department of ChemistryLoughborough UniversityLoughboroughLeicestershireUK
| | - Liam M. Heaney
- School of SportExercise and Health SciencesLoughborough UniversityLoughboroughLeicestershireUK
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