Article
Engineering, Environmental
J. Samuel Arey, Alberto Martin Aparicio, Eleni Vaiopoulou, Stuart Forbes, Delina Lyon
Summary: By developing a GCxGC elution model, it is now possible to study the chemical compositions and environmental properties of petroleum substances, including environmental and lab-weathered samples, in a transparent and efficient manner.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Toxicology
Jing Fang, Ivonne M. C. M. Rietjens, Juan-Carlos Carrillo, Peter J. Boogaard, Lenny Kamelia
Summary: This study evaluates the in vitro developmental toxicity and underlying mechanisms of a series of petroleum substances. The results show that poorly refined products containing 3- to 7-ring polycyclic aromatic compounds (PACs) induce sustained AhR activation and concentration-dependent developmental toxicity. In contrast, highly refined petroleum substances and petroleum-derived waxes, which have a very low amount or no PACs, do not exhibit in vitro developmental toxicity. The refining processes used in the production of highly refined petroleum products effectively eliminate the developmental toxicity. These findings suggest that 3- to 7-ring PACs are the primary inducers of developmental toxicity in some petroleum substances and that the observed effect is partially mediated by AhR.
ARCHIVES OF TOXICOLOGY
(2023)
Article
Toxicology
Lenny Kamelia, Ivonne M. C. M. Rietjens, Peter J. Boogaard
Summary: The study evaluated the potential developmental toxicity and mode of action of fume condensate extracts of bitumen and oxidized asphalt in various assays, showing no in vitro developmental toxicity. This aligns with the results observed in in vivo prenatal developmental toxicity studies conducted with the same materials.
TOXICOLOGY IN VITRO
(2021)
Article
Marine & Freshwater Biology
Anne Kreutzer, Sonja Faetsch, Susanne Heise, Henner Hollert, Gesine Witt
Summary: This study developed a miniaturized passive dosing approach for the algal growth inhibition test, using biocompatible O-rings loaded with polycyclic aromatic hydrocarbons (PAHs). The toxicity of single PAHs and recreated PAH mixtures was investigated, and it was found that the growth inhibiting effects on microalgae were stronger for single PAHs compared to the recreated mixtures. The toxicity of the PAHs generally increased with the maximum chemical activities (a(max)) of the PAHs.
AQUATIC TOXICOLOGY
(2022)
Article
Multidisciplinary Sciences
Xiaokang Li, Jinling Li, Chengtun Qu, Tao Yu, Mingming Du
Summary: In this study, bioaugmentation and biostimulation were used to improve the bioremediation effect of soil with high oil content. After 53 days, the soil showed a degradation efficiency of 76.9%+/- 2.2% in total petroleum hydrocarbons. The bacterial count increased and diversity improved, with a reduction in toxicity of the bioremediated soil observed through seed germination and earthworm survival experiments.
SCIENTIFIC REPORTS
(2021)
Review
Chemistry, Analytical
Tao Geng, Yan Wang, Xiao-Li Yin, Wu Chen, Hui-Wen Gu
Summary: Petroleum-containing substance (PCS) is a general term for petroleum and its derivatives. Fluorescence spectroscopy, especially excitation-emission matrix fluorescence (EEMF) spectroscopy, is a powerful tool for characterizing PCSs due to its sensitivity, selectivity, simplicity, and efficiency. This paper reviews the principles and measurements of EEMF, introduces information mining methods, and discusses recent advances and limitations in applying EEMF to characterize PCSs. The need to build a comprehensive EEMF fingerprint library and explore high-dimensional chemometrics and deep learning for more complex systems is proposed.
CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY
(2023)
Article
Environmental Sciences
Galina Vasilyeva, Elizaveta Mikhedova, Lidia Zinnatshina, Elena Strijakova, Lenar Akhmetov, Svetlana Sushkova, Jose-Julio Ortega-Calvo
Summary: This study investigates the influence of different natural sorbents on the bioremediation of contaminated soil. The optimal doses of sorbents significantly accelerate the bioremediation of petroleum-contaminated soil, reducing the toxicity and residual contaminants in the soil and plants.
SCIENCE OF THE TOTAL ENVIRONMENT
(2022)
Article
Chemistry, Analytical
Shane L. McPherson, Jacob M. Shusterman, Hugo A. Lopez Pena, Derrick Ampadu Boateng, Katharine Moore Tibbetts
Summary: The discrimination of isomers in mixtures using femtosecond time-resolved mass spectrometry (FTRMS) has been effectively demonstrated in this study. The unique advantage lies in the ability to capture distinct fragmentation dynamics of each isomer and predict the molar fractions of mixtures with high accuracy.
ANALYTICAL CHEMISTRY
(2021)
Article
Engineering, Environmental
Shayla Victoria, Lisandra Trine, Perry Hystad, Courtney Roper
Summary: This study investigated the impacts of PM2.5 generated from different indoor fuel sources on human health. The researchers found high PM2.5 concentrations and varied chemical composition based on fuel type and monitor placement. Exposure to all types of PM2.5 samples resulted in altered biological responses, highlighting the need for further research on the safety of indoor fuel sources.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2023)
Article
Engineering, Chemical
Chunqing Xia, Qinglong Liu, Ling Zhao, Lan Wang, Jingchun Tang
Summary: This study investigated the degradation of petroleum hydrocarbons in soil using FeS@BC and FeS activated persulfate (PS). The results showed that the FeS@BC/PS system had a higher removal rate for total petroleum hydrocarbons, polycyclic aromatic hydrocarbons, and n-alkanes compared to the FeS/PS system. Radical quenching experiment and Electron Paramagnetic Resonance revealed that the dominant active substance is sulfate free radical produced by PS during activation. The FeS@BC/PS system has great potential for the remediation of petroleum-contaminated soil.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Environmental Sciences
Luisa Albarano, Ilaria De Rosa, Ilaria Santaniello, Maria Montuori, Sara Serafini, Maria Toscanesi, Marco Trifuoggi, Giusy Lofrano, Marco Guida, Giovanni Libralato
Summary: This research examined the short-term effects (48 hours of exposure) of polycyclic aromatic hydrocarbons (PAHs) mixtures on the nauplii and adult of Artemia franciscana. The study found additive or synergic effects for most PAHs combinations, except for naphthalene + phenanthrene which showed an antagonistic effect. The expression level of five stress-response genes in Artemia was also impacted by the PAHs mixtures.
ENVIRONMENTAL POLLUTION
(2023)
Article
Environmental Sciences
Diptimayee Behera, S. Krishnakumar, Ambili Anoop
Summary: This study assessed the distribution of saturated hydrocarbons and polycyclic aromatic hydrocarbons in sediment samples from Mandapam island groups in the Gulf of Mannar, India. Differentiation between biogenic and anthropogenic sources was achieved using hydrocarbon distribution patterns and n-alkane indices. The results indicate high petroleum contamination in areas associated with shipping activities, tourism, and those located near the mainland and accessible portions of the islands.
MARINE POLLUTION BULLETIN
(2023)
Article
Pharmacology & Pharmacy
Xiang Wan, Qingchun Guo, Xiaojun Li, Guoxiang Wang, Yanyan Zhao
Summary: This study elucidates the toxic effects and mechanisms of polycyclic aromatic hydrocarbon mixtures on cyanobacteria, and finds that the release of microcystins induced by PAH mixtures may exacerbate risks to the aquatic environment.
Review
Ecology
E. J. Ruberg, J. E. Elliott, T. D. Williams
Summary: This study highlights the importance of assessing the toxicological consequences of both chronic and catastrophic petroleum spillage on marine wildlife, particularly marine mammals. The review emphasizes the need for more research on the toxicity of unconventional petroleum to marine mammals and makes recommendations for future studies to improve understanding in this area.
Article
Biochemical Research Methods
Saroj K. Panda, Abdullah A. Al-Zahrani, Dominic J. Kearney, Enas S. Altarooti, Thunayyan A. Al-Qunaysi
Summary: This study employed an aromatic specific size exclusion chromatographic method to analyze aromatic compounds in petroleum samples. The findings suggest that an increase in alkylation is linked to an increase in the molecular weight of aromatic species, as observed in the elution pattern of alkylated aromatic compounds. The size exclusion elution profile of aromatic species in petroleum samples is influenced by the size and shape of the parent aromatic compounds, but all aromatic species eluted in the permeation zone of the chromatogram, indicating negligible interference.
JOURNAL OF CHROMATOGRAPHY A
(2021)
Article
Medicine, Legal
Fiona Sewell, Ian Ragan, Graham Horgan, David Andrew, Thomas Holmes, Irene Manou, Boris P. Mueller, Tim Rowan, Barbara G. Schmitt, Marco Corvaro
Summary: There are currently three test guidelines for acute oral toxicity studies, but the subjectivity of one guideline may be hindering its wider use. In order to address this, the NC3Rs and EPAA collaborated to analyze historical data and provide recommendations on the recognition of 'evident toxicity'.
REGULATORY TOXICOLOGY AND PHARMACOLOGY
(2024)
Article
Medicine, Legal
Michael DeVito, Bas Bokkers, Majorie B. M. van Duursen, Karin van Ede, Mark Feeley, Elsa Antunes Fernandes Gaspar, Laurie Haws, Sean Kennedy, Richard E. Peterson, Ron Hoogenboom, Keiko Nohara, Kim Petersen, Cynthia Rider, Martin Rose, Stephen Safe, Dieter Schrenk, Matthew W. Wheeler, Daniele S. Wikoff, Bin Zhao, Martin van den Berg
Summary: In October 2022, the World Health Organization reevaluated the toxic equivalency factors (TEFs) for chlorinated dioxin-like compounds in a panel convened in Lisbon. This effort utilized an updated database, Bayesian dose response modeling, and meta-analysis to derive Best-Estimate TEFs. Applying these new TEFs may result in lower total toxic equivalents for dioxin-like chemicals.
REGULATORY TOXICOLOGY AND PHARMACOLOGY
(2024)
