Article
Materials Science, Multidisciplinary
Natalia A. Korotkova, Vasilisa B. Baranovskaya, Kseniya Petrova
Summary: In this article, an analytical procedure for the analysis of waste Sm-Co magnets was developed using ICP-MS and ICP-OES. The experimental parameters related to microwave digestion and acid concentrations were optimized. The matrix effect on the ICP-MS analysis and optimal instrumental parameters were investigated. The proposed method was validated through recovery tests and inter-method experiments.
Article
Environmental Sciences
Andrew Turner, John W. Scott, Lee A. Green
Summary: Rare earth elements (REEs) were detected in consumer plastics, likely originating from recycled electronic plastics. Some plastics contained REEs even without detectable flame retardants markers, indicating a more generic source of these elements in consumer plastics.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Agronomy
Muhammad Moaaz Ali, Binqi Li, Cao Zhi, Ahmed Fathy Yousef, Faxing Chen
Summary: This study used ICP-MS to analyze the impact of molybdenum (Mo) on the levels of macronutrients, micronutrients, and toxic elements in loquat leaves and fruit tissues. The application of Mo led to significant changes in mineral concentrations, with increases observed in some elements while decreases were seen in others. Overall, the addition of Mo greatly influenced the mineral content in loquat, showing both positive and negative effects on different elements.
Article
Agronomy
Muhammad Moaaz Ali, Raheel Anwar, Muhammad Waleed Shafique, Ahmed Fathy Yousef, Faxing Chen
Summary: This study analyzed the effects of magnesium, zinc, and boron on the levels of various nutrients and heavy metals in loquat leaves and fruit tissues. The results showed that the application of these elements significantly influenced the mineral concentrations in loquats, while heavy metal concentrations in the fruits remained within safe limits for human consumption.
Article
Biochemistry & Molecular Biology
Semiha Kopru, Mehmet Cadir, Mustafa Soylak
Summary: Veganism, a diet that excludes animal foods, is gaining popularity worldwide. However, long-term adherence to a vegan diet may lead to nutrient and mineral deficiencies, impacting health. A study analyzed the trace element content in various vegan foods purchased from Turkey and found that the levels were below legal limits. These findings highlight the importance of considering nutrient intake in vegan nutrition.
BIOLOGICAL TRACE ELEMENT RESEARCH
(2022)
Article
Environmental Sciences
Yahya R. Tahboub, Abd Al-Majeed A. Al-Ghzawi, Shaker S. Al-Zayafdneh, Mohammad S. AlGhotani
Summary: The study revealed variations in major and trace element levels in Jordanian honey, with local honey showing higher levels of strontium and total REEs, while imported honey had very low levels of toxic elements, indicating higher safety. Discrimination between imported and local honey would require analysis of a large number of samples (>100) and use of advanced statistical models.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Ciprian Mihai Cirtiu, Mathieu Valcke, Michelle Gagne, Marie-Helene Bourgault, Celine Narame, Souleymane Gadio, Patrick Poulin, Pierre Ayotte
Summary: This study investigated the baseline biological exposure of the Nunavik population to rare earth elements and other chemicals before potential mining development. While most rare earth elements were not detected in the samples, elements like arsenic, antimony, chromium, and cobalt were detected in 100% of the samples, with concentrations higher than the general Canadian population in some cases.
Article
Chemistry, Multidisciplinary
Jiaquan Xu, Faliang Li, Fei Xia, Tenggao Zhu, Debo Wu, Konstantin Chingin, Huanwen Chen
Summary: In this study, rapid fractionation analysis of 15 REEs and accompanying metals in ore samples was achieved within 1 h using ICP-MS with a homemade device for online sequential solvent extraction. The identified five fractionations for REEs occurrences offer chemical insights on the formation mechanism of REEs ores and guidance for their exploitation and separation. Compared to conventional methods, this approach significantly shortened the analysis time and reduced sample consumption, providing a useful platform for rapid quantitative fractionation analysis of REEs in complexed samples.
SCIENCE CHINA-CHEMISTRY
(2021)
Article
Chemistry, Applied
Jian Lee, Ye-Seul Park, Hwa-Jeong Lee, Yong Eui Koo
Summary: A novel method using diluted nitric acid and hydrogen peroxide for microwave-assisted digestion of milk samples was developed for elemental analysis. The optimized conditions resulted in accurate detection of various elements in milk samples.
Article
Chemistry, Applied
Tomas Pluhacek, Radka Pechancova, David Milde, Ricardo J. N. Bettencourt da Silva
Summary: A novel methodology for bottom-up evaluation of measurements based on complex sample pretreatment and instrumental quantification has been developed. The method was applied to total chromium determination in yeast samples, showing a relative expanded uncertainty lower than 20% and suitable for monitoring product contamination. Duplicate analyses are adequate for reference materials production with a relative uncertainty below 7%.
Article
Plant Sciences
Marcella Barbera, Filippo Saiano, Livia Tutone, Roberto Massenti, Antonino Pisciotta
Summary: The geographical origin of olive oil is a guarantee of its value and protection against fraud. The study found that different cultivars of olive trees did not show significant differences in the uptake of rare earth elements from the soil to the olive oil, except for one element. However, the relationship between soil and plant rare earth elements depends on the composition of rare earth elements in the soil.
Article
Biochemistry & Molecular Biology
Davide Spanu, Alessandro Palestra, Veronica Prina, Damiano Monticelli, Simone Bonanomi, Sandro Usseglio Nanot, Gilberto Binda, Laura Rampazzi, Gianluca Sessa, David Callejo Munoz, Sandro Recchia
Summary: The unsuitability of microwave-assisted acid digestion followed by ICP-MS analysis for quantifying trace elements in ultrapure SiC was demonstrated due to contamination from memory effects of PTFE microwave vessels and the purity levels of acids. A new analytical protocol using LA-ICP-MS was found to be more effective, especially when the SiC samples were embedded in epoxy resin. The optimized protocol allows for accurate determination of elements at sub-mg/kg levels.
Article
Geochemistry & Geophysics
Maria A. Kokh, Beatrice Luais, Laurent Truche, Marie Christine Boiron, Chantal Peiffert, Aimeryc Schumacher
Summary: Quantifying rare earth elements in aqueous solutions typical to seawater and brines is crucial for sustainable geological resource management and fundamental research. Two analytical approaches, LA-ICP-MS and ICP-MS after isolation of REEs, provide consistent results with the latter method offering higher accuracy and precision for REE quantification in brines.
GEOSTANDARDS AND GEOANALYTICAL RESEARCH
(2021)
Article
Chemistry, Analytical
Thaiane Nolasco da Silva, Diego B. Batista, Bernardo Ferreira Braz, Aderval S. Luna, Ricardo Erthal Santelli, Marcos Antonio dos Santos Fernandez, Jefferson S. de Gois
Summary: This work describes the development of microwave-assisted digestion methods for the determination of Cu and Sn in antifouling paints by ICP OES. The optimal conditions were determined by optimizing factors such as sample mass and solutions of HNO3, HF, and HCl. The microwave digestion-assisted ICP-OES method showed better performance compared to dry ashing with a muffle furnace and laser ablation-ICP-MS.
Article
Chemistry, Analytical
Jiawei Shen, Tingting Li, Min Wang, Bo Yao
Summary: This study proposes an isothermal and enzyme-free miRNA assay based on CHA amplification and ICP-MS detection. By utilizing hybridization reaction and CHA cycles, high sensitivity and specificity analysis of miRNA-141 were achieved. The method also demonstrated multiple detecting capability and the potential of becoming a high-throughput method.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Analytical
Diogo La Rosa Novo, Thibaut Van Acker, Joke Belza, Frank Vanhaecke, Marcia Foster Mesko
Summary: Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) was used to determine the concentrations of bromine (Br) and iodine (I) in human hair strands of individuals under synthetic thyroid hormone treatment. Matrix-matched external calibration standards were prepared using spiked hair strands. The results obtained by LA-ICP-MS were in agreement with those determined by pneumatic nebulization-ICP-MS after digestion. Subjects under treatment with synthetic thyroid hormones showed higher iodine concentrations compared to healthy subjects.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2022)
Article
Chemistry, Analytical
Mariele S. Nascimento, Gabriel T. Druzian, Leticia S. F. Pereira, Marcia F. Mesko, Rochele S. Picoloto, Paola A. Mello, Erico M. M. Flores
Summary: A microwave-assisted extraction method was developed for determining Cl, Br, and I in medicinal plants. The method showed accurate and reliable results compared to a reference method using ICP-MS. Care should be taken to control the carbon content to avoid interference.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2022)
Article
Food Science & Technology
Greice Carine Raddatz, Vitor Ramires Fonseca, Alexandre Jose Cichoski, Leila Queiroz Zepka, Eduardo Jacob-Lopes, Paulo Cezar Bastianello Campagnol, Roger Wagner, Edson Irineo Muller, Erico Marlon de Moraes Flores, Cristiane de Bona da Silva, Cristiano Ragagnin de Menezes
Summary: The study found that adding red onion peel extract can increase the survival rate of probiotics under simulated gastrointestinal conditions and thermal treatments, with the best effect seen in microparticles containing 20% extract. Under storage conditions at 25 degrees Celsius, the formulations with 5% and 20% extract performed better, and all microparticle formulations remained stable at -18 degrees Celsius for 90 days.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2022)
Article
Green & Sustainable Science & Technology
Daniel Santos, Karen Giacobe, Carolina M. Silva, Loisleini F. Saldanha, Ayrton F. Martins, Erico M. M. Flores, Cezar A. Bizzi
Summary: Lignocellulosic materials are a promising alternative source for producing liquid biofuel and fine chemicals with low environmental impact, but they can be contaminated with metals and nonmetals. This study successfully utilized ultrasound energy to remove impurities from sugarcane straw, increasing fermentable sugars' production and demonstrating high efficiency in demineralization. The scaling up experiments also showed the potential applicability of ultrasound-assisted procedure for large-scale demineralization.
Article
Environmental Sciences
Altevir Rossato Viana, Bruna Godoy Noro, Daniel Santos, Katianne Wolf, Yasmin Sudatti Das Neves, Rafael Noal Moresco, Aline Ferreira Ourique, Erico Marlon Moraes Flores, Cristiano Rodrigo Bohn Rhoden, Luciana Maria Fontanari Krause, Bruno Stefanello Vizzotto
Summary: This study investigated the phytochemical compositions and biological activities of Vassobia breviflora extract. The extract exhibited excellent antioxidant and antimicrobial activities, as well as cytotoxic effects against various tumor cells. Moreover, it also increased the production of reactive oxygen species.
JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH-PART A-CURRENT ISSUES
(2023)
Article
Chemistry, Analytical
Jader R. K. Silveira, Leticia C. Brudi, Samuel R. Waechter, Paola A. Mello, Adilson B. Costa, Fabio A. Duarte
Summary: An extraction and preconcentration method based on dispersive liquid-liquid microextraction (DLLME) for Cu determination in beer by flame atomic absorption spectrometry (FAAS) was developed. The main parameters that influence the extraction efficiency were studied, and the accuracy was evaluated by comparison with other methods and recovery tests. The proposed DLLME/FAAS method showed a low limit of detection and quantification for Cu determination.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Felipe A. Silva, Beatriz R. Rigui, Cristian R. Andriolli, Erico M. M. Flores, Paola A. Mello, Rochele S. Picoloto
Summary: A miniaturized liquid-liquid extraction (LLE) method was proposed for pre-concentration of Na, K, Ca, and Mg in crude oil. The method showed no statistical difference compared to the reference values, with relative standard deviations lower than 6%. The proposed miniaturized LLE method presents several advantages, such as ease-of-use, high throughput, and low limits of quantification, making it an environmentally friendly and cost-effective alternative for routine analyses.
Article
Chemistry, Analytical
Jaime S. Mandlate, Alessandra S. Henn, Paola A. Mello, Erico M. M. Flores, Juliano S. Barin, Fabio A. Duarte
Summary: A simple and fast sample preparation method called microwave-induced combustion in disposable vessels (MIC-DV) was developed for Cl and S determination in crude oil using ICP-OES. The method allows efficient digestion of up to 10 mg of crude oil per cycle, reaching a total sample mass of 50 mg.
ANALYTICA CHIMICA ACTA
(2023)
Article
Agriculture, Multidisciplinary
Priscila T. Scaglioni, Fernanda P. Balbinot, Filipe S. Rondan, Diogo L. R. Novo, Alisson A. Silva, Marcia F. . Mesko
Summary: A strategy using microwave-induced combustion (MIC) and ion chromatography coupled to mass spectrometry (IC-MS) was proposed for the determination of bromine and iodine bioaccessibility from edible seaweeds after in vitro digestion. The concentrations of bromine and iodine in edible seaweeds using the proposed methods were comparable to those obtained using conventional methods. Trueness was assessed by recovery experiments and the results showed good accuracy. MIC was proposed as a sample preparation method for bioaccessible and residual fractions.
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
(2023)
Article
Environmental Sciences
Jorge Osorio-Martinez, Luis F. F. Silva, Erico M. M. Flores, Gabriel T. T. Druzian, Jesus Olivero-Verbel
Summary: This study assessed the concentrations and toxicity of potentially toxic elements (PTEs) in urban dust from Barranquilla, Colombia. The results showed that the PTEs in the dust had negative effects on the physiological parameters of Caenorhabditis elegans, indicating that it can be used as a sensitive organism for warning systems related to biota risks associated with air pollution.
WATER AIR AND SOIL POLLUTION
(2023)
Article
Multidisciplinary Sciences
Rosana Santos de Moraes, Paulo Carteri Coradi, Marcela Trojahn Nunes, Marisa Menezes Leal, Edson Irineu Muller, Paulo Eduardo Teodoro, Erico Marlon Moraes Flores
Summary: Drying rice in a silo-dryer-aerator using single-layer loading at low temperatures resulted in uniform drying. This study evaluated the physical, physicochemical, and morphological quality of rice grain cultivars in the lower and upper layers of the silo-dryer-aerator. The results showed that drying rice in silo-dryer-aerator attenuated the moisture diffusivity in the grains and preserved the physicochemical constituents and morphology of starch, especially in the lower layers throughout the 2-month drying. The Guri INTA and BRS Pampeira cultivars exhibited the highest resistance to drying and had the most uniform final quality.
Article
Chemistry, Analytical
Jussiane S. S. Silva, Graciela M. M. Heidrich, Bruno O. O. Poletto, Jose N. G. Paniz, Valderi L. L. Dressler, Erico M. M. Flores
Summary: A direct solid sampling method using ETV-ICP-MS was developed for determining mercury in bioresorbable calcium phosphate-based materials. The method involved fast sample heating with a halogen lamp, followed by vaporization and cooling steps. Mercury vaporized at a low temperature and did not co-vaporize the main matrix. External calibration using aqueous solutions was used for quantification. The method showed good accuracy, precision, and sample throughput, making it suitable for routine analyses.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2023)
Article
Chemistry, Analytical
Gustavo Rossato Bitencourt, Fabio Andrei Duarte, Valderi Luiz Dressler, Rodrigo Cordeiro Bolzan, Erico Marlon de Moraes Flores, Paola Azevedo Mello
Summary: A single method using chemical vapor generation coupled with microwave-induced plasma optical emission spectrometry was developed for the determination of As and Hg in dietary supplements. The method complied with the maximum concentration requirements set by the United States Pharmacopeia and showed no statistical difference compared to comparative methods. The proposed method can be considered an alternative for the quality control of As and Hg in dietary supplements.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2023)
Article
Food Science & Technology
Vanessa Bordin Viera, Natieli Piovesan, Renius De Oliveira Mello, Juliano Smanioto Barin, Aline De Oliveira Fogaca, Cezar Augusto Bizzi, Erico Marlon De Moraes Flores, Ana Carolina Dos Santos Costa, Diego Elias Pereira, Juliana Kessia Barbosa Soares, Ernesto Hashime Kubota
Summary: This study determined the antioxidant activity of red onion peel extract using ultrasound extraction, and found that different ultrasound power and solvent concentration had varying effects on different antioxidant indicators.
JOURNAL OF CULINARY SCIENCE & TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Michelle Buoso, Beatrice Campanella, Massimo Onor, Emanuela Pitzalis, Alessandro D'Ulivo
Summary: The use of BH intermediates as derivatization reagents significantly improves the tolerance to interference from transition metal ions in the generation of SbH3 and BiH3, and shows high tolerance in a wide range of acidity. The method has been successfully applied to the determination of Sb and Bi in complex samples, providing further understanding of the chemical behavior of borohydrides.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2024)
Article
Chemistry, Analytical
Chao-Feng Li, Xuan-Ce Wang, Zhu-Yin Chu, Peng Peng
Summary: Thermal ionization mass spectrometry (TIMS) is the standard method for obtaining precise Sr-87/Sr-86 isotopic ratios. However, our developed hydrofluoric acid coprecipitation method offers a low-cost, rapid, simple, and high-throughput alternative for analyzing red wine samples, effectively eliminating isobaric interference and matrix element inhibition.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2024)
Article
Chemistry, Analytical
Ivan B. Krstic, Bratislav M. Obradovic, Milorad M. Kuraica
Summary: This paper presents the spatio-temporal dynamics of a Grimm-type microsecond pulsed glow discharge (mu PGD) in argon at 6 mbar. The occurrence of a high current peak during the discharge ignition is analyzed and the importance of displacement current is emphasized. The development of electron excitation temperature for argon atoms and ions at various distances from the cathode is measured. The spatio-temporal evolution of selected spectral lines of argon and copper atoms and ions is analyzed during different phases of the discharge. The results suggest that the behavior of spectral line emissions differs between the pre-peak and afterglow periods, with different lines reaching maximum intensity during these phases. The appearance time and decay time of the afterpeak are shorter for ions than for atoms. These findings are explained in terms of three-body recombination processes and ion mobilities.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2024)
Article
Chemistry, Analytical
Qiuyun Wang, Anmin Chen, Xun Gao
Summary: In this paper, the combination of Tesla coil discharge (TCD) and laser-induced breakdown spectroscopy (LIBS) was used to enhance the emission of Al atomic lines and AlO molecular bands. The optimized distance between the TCD tip and the sample surface was found to be 5 mm, and the optimal laser energy was 25.1 mJ. Furthermore, TCD-SELIBS showed lower limits of detection (LoDs) for Cr and Pb elements compared to surface enhanced LIBS (SELIBS). The combination of TCD and LIBS is a promising technology for high-sensitivity analysis of heavy metals in water, with the advantages of simplicity, low cost, ease of operation, industrialization, and commercialization.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2024)
Article
Chemistry, Analytical
Yanwen Tang, Tingguang Lan, Jianfeng Gao, Zhongjie Bai, Xiaowen Huang, Junjie Han, Na Liu
Summary: Titanium is an important metal widely used in various industries. Ilmenite minerals are the main source of titanium metal and can be found in igneous and metamorphic rocks as well as different types of deposits. To accurately determine U-Pb ages of ilmenite, a new calibration method and appropriate reference materials are urgently needed. Laser ablation sector field inductively coupled plasma mass spectrometry has been used to minimize matrix effects and zircon 91500 has been identified as a suitable reference material for measuring the Pb/U ratio in ilmenite. The direct calibration method using zircon 91500 as an external standard has been found to be effective for in situ U-Pb dating of ilmenite samples under different ablation settings.
JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
(2024)