Article
Environmental Sciences
Bertille Bonnaud, Nicolas Mazzella, Pierre Boutet, Amandine Daval, Cecile Miege
Summary: The performance of POCIS and o-DGT as passive samplers for micro pollutants was compared. It was found that o-DGT can be used in situations where POCIS is not suitable, but overall sampling rates and mass transfer coefficients are lower.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Environmental Sciences
Alexandra K. Richardson, Rachel C. Irlam, Helena Rapp Wright, Graham A. Mills, Gary R. Fones, Stephen R. Stuerzenbaum, David A. Cowan, David J. Neep, Leon P. Barron
Summary: This study presents a miniaturized workflow for identification and monitoring of contaminants of emerging concern (CECs). It discusses the development of a low-cost small 3D-printed passive sampler device and a highly sensitive liquid chromatography-tandem mass spectrometry method. The field testing of the new 3D-PSD showed the successful identification of a higher number of CECs compared to traditional water samples.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Environmental Sciences
M. Allinson, M. Cassidy, K. Kadokami, C. H. Besley
Summary: Chemcatcher (TM) (CC) and Polar Organic Chemical Integrative Samplers (POCIS) passive samplers were used to investigate trace organic chemical residues in urban streams of Sydney. The study detected a total of 254 chemicals, including aliphatic compounds, pesticides, phenols, PAHs, sterols, fatty acid methyl esters, pharmaceuticals, and personal care products. The sampling rates ranged from <0.001 to 0.576 L day(-1) depending on the type of sampler and chemical. The deployment duration analysis showed that some chemicals had higher detection rates after four weeks for CC SDB-RPS and three weeks for POCIS Oasis HLB. Rainfall was found to be positively correlated with higher detection rates in both estuarine and freshwater sites.
Article
Environmental Sciences
Peter Tarabek, Branislav Vrana, Katarina Chalupkova, Alena Bednarikova, Linda Oksova, Peter Bystricky, Nataliia Leonova, Olga Konovalova
Summary: The possibilities of expanding a groundwater quality monitoring scheme using POCIS as the receiving phase were explored in Slovakia. The effectiveness of POCIS for sampling polar or ionized compounds was found to be limited. Sampling site and period, as well as physico-chemical parameters, can influence the sampling rates. Concentrations of pollutants in POCIS could be used for predicting average concentrations in water.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Biochemical Research Methods
Barbara Benedetti, Matteo Baglietto, Henry MacKeown, Chiara Scapuzzi, Marina Di Carro, Emanuele Magi
Summary: This study presents a specific protocol for passive sampling of emerging contaminants in seawater using the Polar Organic Chemical Integrative Sampler (POCIS). By carefully optimizing the LC-MS/MS analysis and sampler processing, the method was able to determine 22 contaminants with high sensitivity and specificity. The application of this protocol in samplers deployed in the Ligurian coast in Italy successfully detected various pollutants.
JOURNAL OF CHROMATOGRAPHY A
(2022)
Article
Environmental Sciences
Jocelina Paranhos Rosa De Vargas, Marilia Camotti Bastos, Maha Al Badany, Rolando Gonzalez, Delmira Wolff, Danilo Rheinheimer Dos Santos, Jerome Labanowski
Summary: The efficiency of pharmaceutical removal during wastewater treatment is low, posing a risk to aquatic organisms and human health. Biofilms play a role in capturing pharmaceuticals, with antibiotics presenting a high risk to aquatic organisms.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Review
Chemistry, Multidisciplinary
Klaudia Godlewska, Piotr Stepnowski, Monika Paszkiewicz
Summary: Passive techniques for monitoring water pollution are constantly evolving, with the type of sorbent used significantly affecting the efficiency of sampling pollutants. Innovative sorbents are increasingly being used in samplers like POCIS to overcome limitations and increase applicability.
ENVIRONMENTAL CHEMISTRY LETTERS
(2021)
Article
Environmental Sciences
B. Mathon, M. Ferreol, A. Togola, S. Lardy-Fontan, A. Dabrin, I. J. Allan, P-F Staub, N. Mazzella, C. Miege
Summary: This study demonstrates the advantages and limitations of using passive samplers for monitoring polar contaminants in surface waters. The results show that POCIS has a higher quantification frequency for most contaminants compared to spot samples, and it lowers the limits of quantification. POCIS is able to capture short-duration and high-intensity contamination events, and it provides more reliable annual monitoring and assessment of environmental quality compared to spot sampling.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Analytical
Hanna Lis, Piotr Stepnowski, Magda Caban
Summary: Passive sampling techniques play a crucial role in monitoring micropollutants, particularly pharmaceuticals. This study compared the impact of two calibration systems on sampling rates of selected pharmaceuticals using two passive sampling techniques. Results indicated that the calibration system can affect the accuracy of time-weighted average concentration measurements.
MICROCHEMICAL JOURNAL
(2021)
Article
Environmental Sciences
Daniel Malnes, Lutz Ahrens, Stephan Kohler, Malin Forsberg, Oksana Golovko
Summary: This study assessed the occurrence and mass flows of contaminants of emerging concern (CECs) in Sweden's main lakes and associated rivers. The study found that the CEC concentration in river water was generally higher than in lake water. Seasonal variations of CECs were observed at urban lake sites. Further investigations are needed to understand the impact of CECs on the ecosystem and human health, as these lakes are used as drinking water reservoirs.
Article
Environmental Sciences
Paulo Henrique Prado Stefano, Ari Roisenberg, Matheus Rossi Santos, Mariana Amaral Dias, Cassiana Carolina Montagner
Summary: In recent decades, changes in human behavior and new technologies have introduced thousands of new compounds called contaminants of emerging concern (CEC) into the environment. These CEC compounds have been detected in various environmental compartments such as soil, surface water, air, and groundwater. This study used statistical analysis by self-organizing maps (SOM) to evaluate the trends of CEC in urban groundwater systems, and found that atrazine, hexazinone, simazine, and other compounds were frequently detected in groundwater samples. Caffeine was also commonly detected in the samples, likely due to a local population habit of consuming a hot drink made of yerba mate.
Review
Environmental Sciences
Khalid Muzamil Gani, Nhlanhla Hlongwa, Taher Abunama, Sheena Kumari, Faizal Bux
Summary: The study focuses on the prevalence and removal of emerging contaminants in South Africa, conducting a risk assessment and zone wise classification approach, revealing data deficiencies in certain areas. Unmanaged urine diverted toilets are identified as a potential source of EC pollution to groundwater in South Africa. It suggests the need for a specific EC monitoring program tailored to the country based on occurrence levels and sources.
Review
Environmental Sciences
Yasmin Vieira, Eder C. Lima, Edson Luiz Foletto, Guilherme Luiz Dotto
Summary: This review focuses on the imminent threat of microplastics (MPs) associated with pharmaceuticals on the aquatic environment and public health, emphasizing their ubiquity and the interactions with environmental factors. Mathematical tools are utilized to enhance information interpretation, and the importance of MPs' sorption and interaction behavior towards organic contaminants is highlighted in understanding their dynamics in the environment. Lastly, the toxicity and bioaccumulation of MPs and pharmaceuticals are discussed.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Laura Vallecillos, Anna Borrull, Rosa Maria Marce, Francesc Borrull
Summary: Passive sampling combined with thermal desorption gas chromatography-mass spectrometry (TD-GC-MS) was used to monitor emerging organic contaminants (EOCs) and solvents in indoor environments of both conventional and vocational training schools. Experimental diffusive uptake rates of target compounds were determined successfully, and concentrations of EOCs and solvents were found to be higher in the vocational training school compared to the conventional school. Cleaning products (conventional school) and classroom activities (vocational training school) were identified as the main sources of EOCs and solvents.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Environmental Sciences
Lydia Niemi, Pavlina Landova, Mark Taggart, Kenneth Boyd, Zulin Zhang, Stuart Gibb
Summary: This study investigated the presence and distribution of eight commonly used pharmaceuticals in the River Dee, Scotland, and found trace contamination throughout the river indicating potential diffuse pollution sources. The study also highlighted higher concentrations of certain compounds during low flow and warm seasons, raising concerns for environmental and human health impacts.
ENVIRONMENTAL POLLUTION
(2022)
Article
Biochemical Research Methods
Michela Antonelli, Barbara Benedetti, Giuseppe Cannazza, Andrea Cerrato, Cinzia Citti, Carmela Maria Montone, Susy Piovesana, Aldo Lagana
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2020)
Article
Biochemical Research Methods
Marina Di Carro, Anna Lluveras-Tenorio, Barbara Benedetti, Emanuele Magi
JOURNAL OF MASS SPECTROMETRY
(2020)
Article
Chemistry, Analytical
Barbara Benedetti, Mauro Majone, Chiara Cavaliere, Carmela Maria Montone, Francesco Fatone, Nicola Frison, Aldo Lagana, Anna Laura Capriotti
MICROCHEMICAL JOURNAL
(2020)
Review
Chemistry, Analytical
Barbara Benedetti, Vicky Caponigro, Francisco Ardini
Summary: Experimental design plays a fundamental role in chemometrics, but is not widely used by chemists. This tutorial aims to introduce beginners to the theoretical principles and practical guidance of experimental design in order to properly utilize it.
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY
(2022)
Article
Biochemical Research Methods
Henry MacKeown, Emanuele Magi, Marina Di Carro, Barbara Benedetti
Summary: The choice of membrane material is crucial for POCIS applications in sampling contaminants in water bodies. This study found that using a wider pore size PES membrane can improve the sampling efficiency for more hydrophobic and anionic compounds.
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Barbara Benedetti, Jose Sanchez del Pulgar, Gabriella Di Lena, Ginevra Lombardi-Boccia
Summary: An optimized HPLC-APCI-MS method was developed for analyzing bioactive compounds in lipid matrices, achieving a balance between peak resolution and speed within a 25-minute run. The use of multiple reaction monitoring mode helped overcome coelution issues and improve sensitivity in the analysis.
MICROCHEMICAL JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Chiara Scapuzzi, Barbara Benedetti, Marina Di Carro, Elvira Chiesa, Nicola Pussini, Emanuele Magi
Summary: The determination of trace pollutants in seawater is challenging, and sampling is a crucial step in the entire analytical process. Passive samplers combine in situ sampling and preconcentration, thus limiting the tedious treatment steps of the conventional sampling methods. This study used Polar Organic Integrative Samplers (POCIS) to assess the presence of organic contaminants in the Genoa Aquarium supply and treated water. The results showed that the Aquarium's water treatment system performed well in reducing seawater contaminants.
APPLIED SCIENCES-BASEL
(2022)
Review
Environmental Sciences
Henry MacKeown, Barbara Benedetti, Marina Di Carro, Emanuele Magi
Summary: Emerging Contaminants (ECs) in marine waters, such as pharmaceuticals and personal care products, are of growing concern for the environment and human health. The low concentration levels and possible matrix interferences make their measurement in seawater challenging. Mass spectrometry combined with chromatographic techniques is the preferred method for studying seawater ECs due to its sensitivity and versatility. Passive sampling is a powerful approach for sample collection and pre-treatment. This review discusses the use of passive sampling coupled with mass spectrometry for studying polar ECs in seawater and argues for the combination of passive sampling with high resolution mass spectrometry for improved assessment.
Review
Chemistry, Analytical
Henry MacKeown, Barbara Benedetti, Chiara Scapuzzi, Marina Di Carro, Emanuele Magi
Summary: This article presents the importance of membranes used in POCIS and discusses the current issues and potential alternatives. It emphasizes the need for more detailed characterization of membrane properties and a deeper understanding of their mechanisms to improve membrane selection and the development of passive samplers.
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY
(2022)
Article
Environmental Sciences
Adria Sunyer-Caldu, Barbara Benedetti, Cristina Valhondo, Lurdes Martinez-Landa, Jesus Carrera, Marina Di Carro, Emanuele Magi, M. Silvia Diaz-Cruz
Summary: The need and availability of freshwater is a major environmental issue, aggravated by climate change. Alternative sources of freshwater, such as wastewater, require extensive treatment to remove contaminants. It is urgent to develop sustainable wastewater treatment techniques and water quality assessment methods.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Biochemistry & Molecular Biology
Barbara Benedetti, Marina Di Carro, Chiara Scapuzzi, Emanuele Magi
Summary: The exploitation of waste and by-products is integral to the circular economy, and biomasses can be used to produce food supplements. A green and simple method using headspace solid phase microextraction coupled to GC-MS was developed to detect priority polycyclic aromatic hydrocarbons (PAHs) in plant bud samples. The method was found to be accurate and sensitive, and it helped in assessing the safety of using bud samples for food supplement production.
Article
Engineering, Environmental
Stefano Alberti, Michela Rucco, Marina Di Carro, Emanuele Magi, Maurizio Ferretti, Barbara Benedetti
Summary: An innovative photocatalyst was prepared by combining TiO2 with commercial CaAl2O4 persistent luminescence material (PeL). The photocatalyst showed promising results for water decontamination from Contaminants of Emerging Concern (CECs). The degradation pathway of the CEC Salbutamol was influenced by the specific photocatalyst, as observed through various characterization techniques.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Analytical
Chiara Scapuzzi, Henry Mackeown, Barbara Benedetti, Matteo Baglietto, Marina Di Carro, Emanuele Magi
Summary: This study tested the use of polyethersulfone (PES) membranes as single-phase passive samplers for the detection of nine emerging contaminants. The sorption and kinetics of the contaminants onto PES were evaluated, and a reliable sampling procedure was developed. The results showed good performance of the PES passive sampler in terms of recovery and matrix effect. Principal Component Analysis was used to understand the sorption behavior, and different sorption mechanisms were identified. The field exposure experiment demonstrated that the PES passive sampler outperformed classical spot sampling in terms of sensitivity.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Analytical
Elena Megias-Perez, Javier Gimenez-Lopez, Arena Lascorz, Barbara Benedetti, Cristina Minguillon, Dolores Barron
Summary: The aim of this study was to develop selective extraction materials for a variety of fluoroquinolones. A series of Molecularly Imprinted Materials (MIPs) were prepared and evaluated for their selectivity in the extraction of enrofloxacin. The optimized composition was then upgraded to magnetic molecularly imprinted polymers (MMIPs) for the analysis of fluoroquinolones in milk. The selectivity of the MMIP for several fluoroquinolones was studied, and its applicability was tested against real quinolone positive milk samples.
MICROCHEMICAL JOURNAL
(2023)
Article
Green & Sustainable Science & Technology
Massimo Lucarini, Antonio Zuorro, Gabriella Di Lena, Roberto Lavecchia, Alessandra Durazzo, Barbara Benedetti, Ginevra Lombardi-Boccia
Article
Chemistry, Analytical
Michel Rocha Baqueta, Augusto Cesar Costa-Santos, Ana Paula Rebellato, Gisele Marcondes Luz, Juliana Azevedo Lima Pallone, Federico Marini, Alexsandro Lara Teixeira, Douglas N. Rutledge, Patricia Valderrama
Summary: This study reports the essential element composition of new Brazilian Canephora coffees and applies chemometric tools for analysis. The results demonstrate the suitability of this method for origin and species discrimination based on the inorganic fraction of coffee.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Mengjie Li, Jiapeng Wang, You Zhou, Yang Chen, Lingying Xia
Summary: A novel photoelectrochemical biosensor based on gold nanoparticles and specific structures was developed for highly sensitive detection of mercury ion. The multiple sandwich structures hindered electron supply and light harvesting, resulting in a weakened PEC signal, while the specific structures extinguished the PEC signal, enabling quantitative detection of Hg2+. The sensor exhibited high selectivity and stability, with potential applications in environmental detection, biological analysis, and medical research.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Mohamed A. Korany, Rasha M. Youssef, Marwa A. A. Ragab, Mostafa A. Afify
Summary: A stability-indicating fit-for-purpose method was developed for the determination of HC, TL, and PS in syrup dosage form. The method successfully separated CL from THY and quantified the analytes using HPLC-DAD. The robustness of the method was assessed through statistical analysis and self-validation.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Lingling Lin, Minyu Li, Ping Li, Chenqing Ye, Huanglong Zhuang, Shaohuang Weng, Feng Chen
Summary: This study developed a highly sensitive and selective electrochemical sensor for simultaneous detection of dopamine and uric acid. The sensor exhibited excellent anti-interference and stability, and could accurately measure dopamine and uric acid in human urine samples.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Peifang Chen, Caiyun Jiang, Zhouping Wang, Hong-zhen Lian, Xiaoyuan Ma
Summary: In this study, a high-performance SERS-active aptasensor was successfully developed for the quantitative analysis of AFB1 in cereal grains, which is of great significance in the field of food safety.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
E. Abas, C. Marina-Montes, C. Perez-Marin, J. Puimedon, J. Anzano
Summary: This study conducted a comprehensive measurement of natural and anthropogenic radionuclides in soil, water, and air in different locations around Deception Island in Antarctica. The results revealed significant levels of 210Pb and anthropogenic 137Cs in soil samples near old human settlements and facilities, as well as detectable levels of 137Cs and 60Co in water samples from old hunting areas. The findings also suggested potential resuspension processes based on higher-than-expected air quality results.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Joao Franciso Allochio, Nayara A. dos Santos, Nathalia dos S. Conceicao, Clara S. D. Baptista, Keyller B. Borges, Valdemar Lacerda Jr, Wanderson Roma
Summary: This study developed a fiber spray ionization mass spectrometry (FSI-MS) method, which shows great potential in detecting illicit drugs. Compared with paper spray ionization mass spectrometry (PSI-MS), FSI-MS demonstrates higher sensitivity in COC detection.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Dina A. Ahmed, Ola G. Hussein, Mamdouh R. Rezk, Mohamed Abdelkawy, Yasmin Rostom
Summary: The main goal of this study was to develop two green chromatographic techniques, HPLC and TLC, for the determination of alcaftadine (ALF) in pharmaceutical formulation and biological samples. The developed HPLC technique showed high efficiency and minimal environmental impact, successfully identifying ALF in the presence of its degradate. The TLC method provided a stability indicating study for ALF and was determined to be safe, green, and eco-friendly.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Abdullah Taner Bisgin
Summary: A green, speedy, and handy method for separation and determination of four commonly used food colorants was established using vortex assisted sequential-simultaneous liquid phase micro-extraction (VA-SS-LPME). The method does not require any instrumental chromatographic techniques. The procedure includes sequential separation steps using different extractants and simultaneous UV-vis spectrophotometric determination steps. The method is environmentally friendly and applicable for determination of colorants in food and pharmaceuticals.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Yifan Zhang, Tong Zhang, Wenjing Ba, Li Liu, Yuan Rao, Xiaodan Zhang, Hanhan Zhang, Xiu Jin
Summary: This paper proposes a novel spectral transfer modelling method based on neural network architecture searching for the asymptomatic prediction of Akizuki pear cork spot disorder. The experiments show that the model by this method is more effective, achieving an accuracy of 82.61%.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Krzysztof Greda, Maja Welna, Anna Szymczycha-Madeja, Pawel Pohl
Summary: For the first time, a dispersive micro-solid phase extraction (D-mu SPE) based on graphene oxide was used for the ultrasensitive determination of Cd. With this method, Cd can be efficiently extracted from a mixture of alkali and alkaline earth metals without the need for an elution step. The combination of D-mu SPE and SAGD OES significantly reduces matrix effects and improves the tolerance of Cd to alkali metals. The method shows simplicity in the measurement system and the commercially available nanosorbent used.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
P. K. Fathima Anjila, G. R. Tharani, Anand Sundaramoorthy, Venkat Kumar Shanmugam, Karthikeyan Subramani, Shanmugavel Chinnathambi, Ganesh N. Pandian, Vimala Raghavan, Andrews Nirmala Grace, Singaravelu Ganesan, Mangaiyarkarasi Rajendiran
Summary: This work proposes a rapid and sensitive spectroscopic method for detecting melamine in food products using rare-earth Terbium-doped Graphene Quantum Dots (Tb-GQDs) synthesized by microwave and simple chemical conjugation methods. The synthesized Tb-GQDs show a spherical shape with a size of approximately 6 nm and a quantum yield of 52%. The maximum detection limit for melamine concentration in milk and milk products is found to be 0.31 μM. The dual emitting Tb-GQDs provide a sensitive and effective platform for real-time detection of melamine in food samples, particularly in milk, and show promising potential in the food industry.
MICROCHEMICAL JOURNAL
(2024)
Review
Chemistry, Analytical
Piyush Dey, Mandeep Kaur, Akhil Khajuria, Dilmeet Kaur, Manpreet Singh, Hema Kumari Alajangi, Neha Singla, Gurpal Singh, Ravi Pratap Barnwal
Summary: Environmental issues, such as the uncontrolled release of dangerous pollutants, have significant impacts on human health. Traditional methods for detecting pollutants require specialized personnel and equipment, but nanotechnology has improved the performance of biosensors. This article discusses the use of nanotechnology in pollutant detection and the associated techniques.
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Sa Dong, Qiuyun Shi, Lingjun Guan, Yulong Wang, Pengyan Liu, Cunzheng Zhang, Jianguo Feng
Summary: In this study, a highly sensitive indirect competitive chemiluminescence enzyme immunoassay (icCLEIA) method was developed for the determination of sodium pentachlorophenolate (PCP-Na) and its metabolite pentachlorophenol (PCP). The method showed high specificity and affinity with a detection limit of 0.0032 ng/mL for PCP-Na and 0.0192 ng/mL for PCP. The method had no cross reaction with other chlorophenols compounds except for PCP. The average recoveries in chicken, pork and fish samples were 81.3-105.8% with low coefficient of variation (CV).
MICROCHEMICAL JOURNAL
(2024)
Article
Chemistry, Analytical
Palaniappan Ilayaraja, Murugan Manivannan, Paramasivam Parthiban
Summary: Nirmatrelvir, an antiviral drug used for the treatment of COVID-19, has been recommended by the World Health Organization. We developed an optimized analytical method for the quantification of Nirmatrelvir and its products, with high sensitivity and a wide linear range. The method also meets the requirements for greenness evaluation.
MICROCHEMICAL JOURNAL
(2024)
