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Selected Papers from the 12th International Conference on “Instrumental Methods...
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Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021)

A special issue of Analytica (ISSN 2673-4532).

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 16485

Special Issue Editors

Dr. Konstantinos Simeonidis

E-Mail Website
Guest Editor
Analytical Chemistry Laboratory, Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: water analysis; nanoparticle synthesis; X-ray analysis; microscopy analysis
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Anastasios Zouboulis

E-Mail Website
Guest Editor
Laboratory of Chemical & Environmental Technology, Department of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Interests: separation sciences and related technologies; wastewater/water treatment; membrane fouling; aerobic/anaerobic digestion; recovery/removal of metals from liquid waste streams; physicochemical methods for the treatment of contaminated water sources or of wastewaters, biological/aerobic or anaerobic treatment methods; combinations of biological and physicochemical methods; treatment/recycling issues of toxic industrial solid wastes; hydrometallurgical; physico-chemical (solidification/stabilization); thermal (vitrification), or appropriate combinations of treatment processes; carbon capture utilization and storage (CCUS)
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021) will take place on 20–23 September 2021 as a Virtual event organized by the Aristotle University of Thessaloniki and the National Technical University of Athens. IMA is a biannual series of conferences that started in 1999 and covers all areas of Chemical Analysis, including the development of new techniques, modern trends, and applications in a wide range of scientific disciplines. To date, several leading analytical chemists from Greece and abroad have presented their research work at previous IMA meetings. For the 12th IMA conference (first time in a virtual format), it is our ambition to bring together some of the most talented and innovative analytical chemists from all over the world for an excellent scientific online conference. Covered topics include:

  1. Spectrometric and electrometric analysis;
  2. Chromatographic, mass spectrometric, microscopic, and thermal analysis methods;
  3. Proteomics, metabolomics, metallomics, and elemental speciation analysis;
  4. Chemical and biosensors;
  5. Field analysis—mobile analytical instruments;
  6. Miniaturized analytical systems (lab-on-a-chip), micro- and nanofluidics;
  7. Immunoassays, electrophoretic separation techniques;
  8. Sampling techniques and strategies;
  9. Robotics and automation;
  10. Quality control–quality assurance in analysis;
  11. Metrology;
  12. Data processing and chemometrics;
  13. Environmental analysis;
  14. Biomedical (ecotoxicological, clinical) and pharmaceutical analysis;
  15. Food analysis;
  16. Materials analysis (nanomaterials, smart/advanced materials, surface analysis);
  17. Archaeometry;
  18. Analytical chemistry markets and possibilities for commercialization.

This Special Issue will publish selected full papers presented during IMA-2021. These papers will be peer-reviewed for the validation of research results, developments, and applications.

Dr. Konstantinos Simeonidis
Prof. Dr. Anastasios Zouboulis
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Analytica is an international peer-reviewed open access quarterly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1000 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • mass spectrometry
  • chemical analysis
  • chromatography
  • X-ray analysis
  • quality control

Published Papers (5 papers)

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Research

21 pages, 12899 KiB  
Article
Oil Media on Paper: Investigating the Effect of Linseed Oils on Lignocellulosic Paper Supports
by Penelope Banou, Stamatis Boyatzis, Konstantinos Choulis, Thanasis Karabotsos, Dimitris Tsimogiannis, Lamprini-Areti Tsakanika, Constantina Tzia and Athena Alexopoulou
Analytica 2022, 3(3), 266-286; https://doi.org/10.3390/analytica3030019 - 02 Jul 2022
Cited by 2 | Viewed by 2698
Abstract
Condition assessment of works of art created with oil media on paper could be a complex matter when presenting problems of damage due to the absorption of oil binders by the paper support, since they depend on several factors and occur in variable [...] Read more.
Condition assessment of works of art created with oil media on paper could be a complex matter when presenting problems of damage due to the absorption of oil binders by the paper support, since they depend on several factors and occur in variable conditions. The present work refers to the results of an investigation on the effect of linseed oils on the color, opacity, morphology, tensile strength, and chemical properties of lignocellulosic papers, in comparison to that of pure cellulosic papers. Lignocellulosic papers are involved in research on new, yet significant, parameters that might influence the behavior of the oil-impregnated areas of the supports upon aging. The research was applied to mock-ups, made of two types of lignocellulosic paper impregnated with three types of linseed oil and subjected to accelaratated ageing in specific conditions of relative humidity and temperature in closed environment. The research involved colorimetry, opacity, tensile strength, pH measurements, SEM, FTIR, and VOC analysis with GC-MS. The results indicated that thermal-humid ageing caused the gradual darkening of the oil-impregnated mock-ups, alterations in opacity, and decrease of pH values, depending mainly on the formulation of linseed oil, as well as a reduction in tensile strength. FTIR analysis results indicated that the chemical changes that occur upon ageing supported the recorded optical and mechanical alterations, while VOC emissions are both associated with the paper type and the kinetics of degradation of the different types of linseed oil. Full article
(This article belongs to the Special Issue Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021))
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15 pages, 2088 KiB  
Article
Methodology for Determining Phthalate Residues by Ultrasound–Vortex-Assisted Dispersive Liquid–Liquid Microextraction and GC-IT/MS in Hot Drink Samples by Vending Machines
by Giuseppe Ianiri, Cristina Di Fiore, Sergio Passarella, Ivan Notardonato, Alessia Iannone, Fabiana Carriera, Virgilio Stillittano, Vincenzo De Felice, Mario Vincenzo Russo and Pasquale Avino
Analytica 2022, 3(2), 213-227; https://doi.org/10.3390/analytica3020015 - 05 May 2022
Viewed by 2692
Abstract
In this study, a simple, fast, and effective methodology has been developed for the detection and quantification of seven phthalates potentially released in hot drinks from disposable containers used in vending machines. The authors determined the optimal conditions to be applied during the [...] Read more.
In this study, a simple, fast, and effective methodology has been developed for the detection and quantification of seven phthalates potentially released in hot drinks from disposable containers used in vending machines. The authors determined the optimal conditions to be applied during the various steps of extraction of seven phthalates (DMP, DEP, DBP, DiBP, DEHP, DNOP, and DDP) from hot beverages using a model solution. The extraction and preconcentration technique used was ultrasound–vortex-assisted dispersive liquid–liquid microextraction (UVA-DLLME) followed by gas chromatographic analysis obtaining recoveries from 66.7% to 101.2% with precision and reproducibility <6.3% and <11.1%, respectively. The influence of waiting time, from the dispensing of the drink to its actual consumption, for the extraction of molecules was investigated, obtaining a temporal release profile slightly shifted towards the PAEs with higher molecular weight and vice versa for those with low molecular weight. In addition, the best instrumental parameters to be applied during the analysis of the extracts obtained were established. This optimization was carried out using GC-FID, whereas the analysis of real samples was carried out by means of GC-IT/MS for ultra-trace analysis purposes; limits of detection (LODs) ranging between 0.8 ng mL−1 and 15.4 ng mL−1 and limits of quantification (LOQs) from 1.6 ng mL−1 to 35.8 ng mL−1, both of them lower than those found by FID, were obtained. Full article
(This article belongs to the Special Issue Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021))
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18 pages, 2673 KiB  
Article
Monitoring of a Broad Set of Pharmaceuticals in Wastewaters by High-Resolution Mass Spectrometry and Evaluation of Heterogenous Catalytic Ozonation for Their Removal in a Pre-Industrial Level Unit
by Christina Nannou, Efthimia Kaprara, Savvina Psaltou, Maria Salapasidou, Panagiota-Aikaterini Palasantza, Panagiotis Diamantopoulos, Dimitra A. Lambropoulou, Manassis Mitrakas and Anastasios Zouboulis
Analytica 2022, 3(2), 195-212; https://doi.org/10.3390/analytica3020014 - 22 Apr 2022
Cited by 6 | Viewed by 2483
Abstract
The removal of contaminants of emerging concern (CECs) occurring in wastewater effluents, such as pharmaceutically active substances (PhACs) and personal care products, pose a big research challenge since they can be a major source of pollution for water bodies and a danger to [...] Read more.
The removal of contaminants of emerging concern (CECs) occurring in wastewater effluents, such as pharmaceutically active substances (PhACs) and personal care products, pose a big research challenge since they can be a major source of pollution for water bodies and a danger to public health. The objective of this work was to perform a comprehensive monitoring of a broad set of PhACs (>130) in a wastewater treatment plant (WWTP) close to Thessaloniki (Greece), as well as to evaluate the potential of heterogeneous catalytic ozonation for the removal of CECs from wastewater through a continuous flow system. The high-resolution mass spectrometry analysis revealed the highest average concentrations for irbesartan (1817 ng/L). Antihypertensives along with antibiotics, psychiatrics, and β-blockers were found to aggravate the effluents. Removal efficiency after conventional treatment was >30%. The results from catalytic ozonation unit operation indicate that the introduction of a proper solid material that acts as catalyst can enhance the removal of CECs. A preliminary risk assessment using the risk quotient (RQ) revealed that irbesartan and telmisartan entail high acute risk. The overall results underline the urgent need to incessantly monitor PhACs and expand the toxicological studies to establish the sublethal and chronic effects on aquatic organisms. Full article
(This article belongs to the Special Issue Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021))
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9 pages, 1026 KiB  
Article
Rare Earth Elements Determination by Inductively Coupled Plasma Mass Spectrometry after Alkaline Fusion Preparation
by Hlengiwe Thandekile Mnculwane
Analytica 2022, 3(1), 135-143; https://doi.org/10.3390/analytica3010010 - 18 Mar 2022
Cited by 4 | Viewed by 3498
Abstract
There is an increasing worldwide demand for rare earth elements (REEs) in new technological applications—such as electronics, superconductors, space applications, etc. The determination of low concentration REEs in geological samples is extremely important since they are the source materials for all REE products. [...] Read more.
There is an increasing worldwide demand for rare earth elements (REEs) in new technological applications—such as electronics, superconductors, space applications, etc. The determination of low concentration REEs in geological samples is extremely important since they are the source materials for all REE products. In order to improve the accuracy and precision of REE measurements by inductively coupled plasma mass spectrometry (ICP-MS); complete digestion of refractory phases and minerals in the samples, low procedural blanks, separation of interfering matrix, and elimination of interference on the mass of the analytes of interest must be fulfilled. Conventional methods that use a hotplate and a mixture of four acids are effective but can take time to achieve complete dissolution of samples that contain highly refractory phases, which is unacceptable in the mining and metallurgical industry. Such difficult samples necessitate high-temperature alkaline flux fusion as it offers a faster and more efficient alternative to acid digestion. This paper presents an accurate, precise, rapid, and reliable method for rare earth element analysis by ICP-MS with low detection limits, which involves no sample pre-concentration, and is therefore able to deliver data rapidly. The analytical performance of the developed method was tested successfully on various REE rock-type certified reference materials and evaluated statistically. The results obtained were in reasonable agreement with published certificate values. Full article
(This article belongs to the Special Issue Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021))
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15 pages, 4843 KiB  
Article
Oil Media on Paper: Investigating the Effect of Linseed Oils on Pure Cellulosic Paper Supports. A Research Matter of Damage Assessment
by Penelope Banou, Konstantinos Choulis, Thanasis Karabotsos, Dimitris Tsimogiannis, Lamprini-Areti Tsakanika, Constantina Tzia and Athena Alexopoulou
Analytica 2022, 3(1), 120-134; https://doi.org/10.3390/analytica3010009 - 08 Mar 2022
Cited by 2 | Viewed by 3707
Abstract
Oil media on paper, such as oil paintings, sketches, prints, and books, occasionally present problems associated with the effect of oil medium on the paper support, raising a composite matter of condition assessment as it depends on several factors. The present work examines [...] Read more.
Oil media on paper, such as oil paintings, sketches, prints, and books, occasionally present problems associated with the effect of oil medium on the paper support, raising a composite matter of condition assessment as it depends on several factors. The present work examines the effect of linseed oil on paper and, in particular, the changes caused by three types of linseed oil on the optical, morphological, mechanical, and chemical properties of pure cellulosic paper, employing mock-ups submitted to artificial ageing in controlled conditions of relative humidity and temperature in airtight vessels. The study involved colorimetry, opacity, tensile strength, pH measurements, SEM, FTIR, and VOC analysis with GC-MS. Processing of the results has so far indicated that thermal-humid ageing caused the gradual darkening of the oil-impregnated mock-ups, as well as alterations in opacity, intense fall of pH values, and severe reductions in tensile strength, while linseed oil processing during manufacture has a significant impact. FTIR spectra have indicated that chemical changes upon ageing are in accordance with those of optical and mechanical changes, while VOC emissions are mostly associated with the drying and degradation of the different types of linseed oil. Full article
(This article belongs to the Special Issue Selected Papers from the 12th International Conference on “Instrumental Methods of Analysis” (IMA-2021))
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