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1. Catalyst geometry dependent single-walled carbon nanotube formation from polyaromatic hydrocarbon molecule: Pt(111) surface versus Pt nanoparticle

Author:
Ziwei Xu; Feng Ding
Source:
Carbon 2023 v.201 pp. 483-490
ISSN:
0008-6223
Subject:
polycyclic aromatic hydrocarbons,   etc   ; carbon; carbon nanotubes; catalysts; dehydrogenation; energy; geometry; nanoparticles; optical isomerism;     Show all 9 Subjects
Abstract:
... The chirality controllable synthesis of single-walled carbon nanotubes (SWCNTs) by the catalytic transformation of designed large polyaromatic hydrocarbon molecules has made significant progress in recent years, but the underlying mechanism, such as the role of the catalyst, has never been revealed at the atomic level. In this study, the energy profiles of the dehydrogenation processes from the C₆ ...
DOI:
10.1016/j.carbon.2022.09.053

2. Vinegars inhibiting of the generation of BaP in barbecued pork sausages by decreasing the pH and free radical scavenging

Author:
Xiao-min Zhang; Chao-yang Xu; Teng Hui; Ke-zhou Cai; Hui Zhou; Cong-gui Chen; Bao-cai Xu
Source:
Food control 2023 v.145 pp. 109404
ISSN:
0956-7135
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Maillard reaction; carcinogenicity; fermentation; flavonoids; flavor; food safety; free radicals; hydroxymethylfurfural; juiciness; pH; pork; sensory evaluation; vinegars;     Show all 14 Subjects
Abstract:
... Benzo[a]pyrene (BaP) is a polycyclic aromatic hydrocarbon (PAH) that has been found in barbecued meat products and has shown carcinogenic properties in humans. The purpose of this study was to investigate the effect of vinegar (fermented vinegars and distilled vinegar) on the generation of BaP in barbecued pork sausages. The results showed that fermented vinegars and distilled vinegar could signif ...
DOI:
10.1016/j.foodcont.2022.109404

3. Sequential One-Pot Carbene-Catalyzed Intramolecular Stetter Reaction and Acid-Mediated Condensation: Access to Heteroatom Analogues of π-Extended Polyaromatic Hydrocarbons

Author:
Sanjay Yadav; Jagadeesh Babu Nanubolu; Surisetti Suresh
Source:
Organic letters 2022 v.24 no.38 pp. 6930-6935
ISSN:
1523-7052
Subject:
polycyclic aromatic hydrocarbons,   etc   ; furans; indoles; nitrogen; oxygen;     Show all 5 Subjects
Abstract:
... In this Letter, we disclose a simple and effective method to access a variety of phenanthro[9,10-b]furan and 1H-dibenzo[e,g]indole derivatives based on the design of a carbene-catalyzed intramolecular Stetter reaction followed by a Paal–Knorr reaction in one-pot. These compounds are a class of π-extended polycyclic aromatic hydrocarbon (PAH) derivatives containing an oxygen/nitrogen atom. The prac ...
DOI:
10.1021/acs.orglett.2c02693

4. Microbial Bioremediation Techniques for Polycyclic Aromatic Hydrocarbon (PAHs)—a Review

Author:
Nor Asyikin Ismail; Norhafezah Kasmuri; Nurhidayah Hamzah
Source:
Water, air, and soil pollution 2022 v.233 no.4 pp. 124
ISSN:
0049-6979
Subject:
polycyclic aromatic hydrocarbons,   etc   ; air; microbial bioremediation; soil pollution; water;     Show all 5 Subjects
Abstract:
... This review summarizes current knowledge of the polycyclic aromatic hydrocarbons (PAHs) contaminant in the environment and the importance of using benzo(a)pyrene in this study. It highlights the removal techniques in eliminating the PAHs and their limitations on the bioremediation method. The factors that affect the remediation were thoroughly explained in this paper, focusing on removing PAHs usi ...
DOI:
10.1007/s11270-022-05598-6

5. Degradation of pyrene using single-chamber air-cathode microbial fuel cells: Electrochemical parameters and bacterial community changes

Author:
Haonan Wang; Peng Chen; Shixuan Zhang; Jiwei Jiang; Tao Hua; Fengxiang Li
Source:
Science of the total environment 2022 v.804 pp. 150153
ISSN:
0048-9697
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Alcaligenes; Stenotrophomonas; bacterial communities; electrochemistry; environment; humans;     Show all 7 Subjects
Abstract:
... Pyrene, a typical four-ring polycyclic aromatic hydrocarbon, is abundantly present in the environment and is potentially harmful to the human body. In this study, single-chamber air-cathode microbial fuel cells (MFCs) were used to treat pyrene, and the ensuing degradation, electrical parameters, and microbial changes were analyzed. The results showed that MFCs could degrade pyrene, and the maximum ...
DOI:
10.1016/j.scitotenv.2021.150153

6. Advances on tailored biochar for bioremediation of antibiotics, pesticides and polycyclic aromatic hydrocarbon pollutants from aqueous and solid phases

Author:
Anil Kumar Patel; Reeta Rani Singhania; Anugunj Pal; Chiu-Wen Chen; Ashok Pandey; Cheng-Di Dong
Source:
Science of the total environment 2022 v.817 pp. 153054
ISSN:
0048-9697
Subject:
polycyclic aromatic hydrocarbons,   etc   ; biochar; bioremediation; cost effectiveness; environment; socioeconomics; sodium percarbonate; toxicity;     Show all 8 Subjects
Abstract:
... Biochar is gaining incredible importance for remediation applications due to their attractive removal properties. Moreover, it is becoming ecofriendly, cost-effective and sustainable bioadsorbents towards replacing expensive activated carbons. Studies reveal biochar effectiveness for removal of important and potentially severe organic pollutants such as antibiotics and pesticides. Recent research ...
DOI:
10.1016/j.scitotenv.2022.153054

7. Distribution and migration of polycyclic aromatic hydrocarbons in sediment and water of the Three Gorges Reservoir

Author:
Ruiping Li; Yan Shi; Meng Li; Yingping Huang; Kun Li; Tao Xu; Huigang Liu; Ying Xi
Source:
Soil Science Society of America journal 2022 v.86 no.3 pp. 566-578
ISSN:
0361-5995
Subject:
polycyclic aromatic hydrocarbons,   etc   ; environmental assessment; estuaries; pollution; risk; sediments; soil organic matter;     Show all 7 Subjects
Abstract:
... Sediment and water samples were collected from Xiangxi Bay in the Three Gorges Reservoir area of China to study the spatial distribution, migration, and ecological risks of 16 priority polycyclic aromatic hydrocarbons (PAHs) across four periods associated with different water levels from June 2017 to March 2018. Results showed that PAH contents ranged from 178.61 to 250.20 ng L⁻¹ in water and from ...
DOI:
10.1002/saj2.20393

8. Origin of metabolites diversity and selectivity of P450 catalyzed benzo[a]pyrene metabolic activation

Author:
Shanshan Feng; Yanwei Li; Ruiming Zhang; Qingzhu Zhang; Wenxing Wang
Source:
Journal of hazardous materials 2022 v.435 pp. 129008
ISSN:
0304-3894
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Lewis acids; enzymes; epoxidation reactions; heme; metabolites; regression analysis; solvents;     Show all 8 Subjects
Abstract:
... Polycyclic Aromatic Hydrocarbon (PAHs) presents one of the most abundant class of environmental pollutants. Recent study shows a lab-synthesized PAHs derivative, helicenium, can selectively kill cancer cells rather than normal cells, calling for the in-depth understanding of the metabolic process. However, the origin of metabolites diversity and selectivity of P450 catalyzed PAHs metabolic activat ...
DOI:
10.1016/j.jhazmat.2022.129008

9. Bioremediation on a chip: A portable microfluidic device for efficient screening of bacterial biofilm with polycyclic aromatic hydrocarbon removal capacity

Author:
Natalia Bourguignon; Mauricio Alessandrello; Ross Booth; Constanza Belén Lobo; María Silvina Juárez Tomás; Luis Cumbal; Maximiliano Perez; Shekhar Bhansali; Marcela Ferrero; Betiana Lerner
Source:
Chemosphere 2022 v.303 pp. 135001
ISSN:
0045-6535
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Pseudomonas; biodegradation; biofilm; bioremediation; coculture; fluid mechanics; plankton; public health;     Show all 9 Subjects
Abstract:
... Polycyclic aromatic hydrocarbons (PAHs) are pollutants of critical environmental and public health concern and their elimination from contaminated sites is significant for the environment. Biodegradation studies have demonstrated the ability of bacteria in biofilm conformation to enhance the biodegradation of pollutants. In this study, we used our newly developed microfluidic platform to explore b ...
DOI:
10.1016/j.chemosphere.2022.135001

10. Effects of architecture structure on volatile organic compound and polycyclic aromatic hydrocarbon diffusion in Singapore's Integrated Transport Hubs

Author:
Suk Hyun Lee; Joanna Shen; Sze Tat Tan; Lee Ching Ng; Mingliang Fang; Shenglan Jia
Source:
Chemosphere 2022 v.287 pp. 132067
ISSN:
0045-6535
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Monte Carlo method; Singapore; air; guidelines; risk; volatile organic compounds;     Show all 7 Subjects
Abstract:
... Millions of passengers wait for buses at Integrated Transport Hubs (ITH) daily in metropolitan cities. Environmental exposure and associated risk for passengers is of great public concern. In this study, eight volatile organic compounds (VOCs) and the 16 EPA priority polycyclic aromatic hydrocarbons (PAHs) were analyzed in airborne samples collected from indoor waiting areas (Indoor) and bus parks ...
DOI:
10.1016/j.chemosphere.2021.132067

11. Determining the bioavailability of benzo(a)pyrene through standardized desorption extraction in a certified reference contaminated soil

Author:
Rosa Posada-Baquero; Kirk T. Semple; Miguel Ternero; José-Julio Ortega-Calvo
Source:
Science of the total environment 2022 v.803 pp. 150025
ISSN:
0048-9697
Subject:
polycyclic aromatic hydrocarbons,   etc   ; bioavailability; cyclodextrins; desorption; environment; environmental quality; quality control; risk; t-test;     Show all 9 Subjects
Abstract:
... There is a strong need for certified reference materials in the quality assurance of nonionic soil contaminant bioavailability estimations through physicochemical methods. We applied desorption extraction, a method recently standardized as ISO16751, to determine the bioavailable concentration of the most commonly regulated polycyclic aromatic hydrocarbon (PAH), benzo(a)pyrene (BaP), in the referen ...
DOI:
10.1016/j.scitotenv.2021.150025

12. Determination of 123 polycyclic aromatic hydrocarbons and their derivatives in atmospheric samples

Author:
Zi-Feng Zhang; Jia-Cheng Chen; Ya-Xian Zhao; Lu Wang; Yu-Qian Teng; Ming-Hong Cai; Yan-Hui Zhao; Anatoly Nikolaev; Yi-Fan Li
Source:
Chemosphere 2022 v.296 pp. 134025
ISSN:
0045-6535
Subject:
polycyclic aromatic hydrocarbons,   etc   ; air sampling; detection limit; gas chromatography; pollutants; researchers; tandem mass spectrometry; toxicity;     Show all 8 Subjects
Abstract:
... Polycyclic aromatic hydrocarbons (PAHs) are a class of toxic organic pollutants. Until now, they have been detected in many regions and various environmental matrix. However, not all PAHs are usually detected by researchers, and no methods is established to analyze systematically hundreds of PAHs. In this study, 123 PAHs were identified and quantified using gas chromatography−tandem triple-quadrup ...
DOI:
10.1016/j.chemosphere.2022.134025

13. Suppression of the hazardous substances in catalytically upgraded bio-heavy oil as a precautious measure for clean air pollution controls

Author:
Sumin Pyo; Jechan Lee; Young-Min Kim; Youna Park; Im Hack Lee; Yong Jun Choi; Gwang Hoon Rhee; Sang-Chul Jung; Young-Kwon Park
Source:
Journal of hazardous materials 2022 v.421 pp. 126732
ISSN:
0304-3894
Subject:
polycyclic aromatic hydrocarbons,   etc   ; activation energy; air; air pollution; combustion; feedstocks; oils; polyethylene; porosity; pyrolysis; zeolites;     Show all 11 Subjects
Abstract:
... Bio-heavy oil (BHO) is a renewable fuel, but its efficient use is problematic because its combustion may emit hazardous air pollutants (e.g., polycyclic aromatic hydrocarbon (PAH) compounds, NOₓ, and SOₓ). Herein, catalytic fast pyrolysis over HZSM-5 zeolite was applied to upgrading BHO to drop-in fuel-range hydrocarbons with reduced contents of hazardous species such as PAH compounds and N- and S ...
DOI:
10.1016/j.jhazmat.2021.126732

14. Fugacity-based analysis of polycyclic aromatic hydrocarbon pollution in Izmit Bay, Turkey: An analytical framework for assessment with limited data

Author:
Sumeyye Hasanoglu; Recep Kaya Göktaş
Source:
Marine pollution bulletin 2022 v.182 pp. 113990
ISSN:
0025-326X
Subject:
polycyclic aromatic hydrocarbons,   etc   ; air pollution; coasts; industrialization; marine pollution; pollutants; population growth; uncertainty; uncertainty analysis;     Show all 9 Subjects
Abstract:
... An analytical framework was proposed for analyzing long-term chemical pollution in a coastal region with limited environmental data. The framework consists of compiling and synthesizing the available knowledge including the chemical's properties and the environmentally relevant data, as well as the data obtained by past monitoring studies. The gathered data is analyzed to assess multimedia fate of ...
DOI:
10.1016/j.marpolbul.2022.113990

15. Influence of kaolinite and montmorillonite on benzo[a]pyrene biodegradation by Paracoccusaminovorans HPD-2 and the underlying interface interaction mechanisms

Author:
Xinhong GAN; Ying TENG; Jian XU; Ning ZHANG; Wenjie REN; Ling ZHAO; Peter CHRISTIE; Yongming LUO
Source:
Pedosphere 2022 v.32 no.2 pp. 246-255
ISSN:
1002-0160
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Paracoccus aminovorans; adsorption; bacterial growth; biodegradation; clay; energy; hydrophobicity; kaolinite; montmorillonite; soil;     Show all 11 Subjects
Abstract:
... Clay minerals play an important role in biogeochemical cycling. Here, kaolinite and montmorillonite, the two most abundant and widespread clay minerals with typical layered structures, were selected to investigate and compare their effects on the biodegradation of benzo[a]pyrene (BaP) by Paracoccus aminovorans HPD-2 and to investigate the underlying interface mechanisms. Overall, the BaP degradati ...
DOI:
10.1016/S1002-0160(21)60071-1

16. Polycyclic aromatic hydrocarbon contamination in soils and sediments: Sustainable approaches for extraction and remediation

Author:
Thiloka Kariyawasam; Gregory S. Doran; Julia A. Howitt; Paul D. Prenzler
Source:
Chemosphere 2022 v.291 pp. 132981
ISSN:
0045-6535
Subject:
polycyclic aromatic hydrocarbons,   etc   ; biodegradation; bioremediation; biosurfactants; carcinogenicity; hydrophobicity; microextraction; microwave treatment; organic matter; sediments; solvents;     Show all 11 Subjects
Abstract:
... Polycyclic aromatic hydrocarbons (PAHs) are carcinogenic environmental pollutants that are extremely hydrophobic in nature and resistant to biological degradation. Extraction of PAHs from environmental matrices is the first and most crucial step in PAH quantification. Extraction followed by quantification is essential to understand the extent of contamination prior to the application of remediatio ...
DOI:
10.1016/j.chemosphere.2021.132981

17. Microbial diversity drives pyrene dissipation in soil

Author:
Xia Wang; Ying Teng; Xiaomi Wang; Xiufen Li; Yongming Luo
Source:
Science of the total environment 2022 v.819 pp. 153082
ISSN:
0048-9697
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Myxococcales; Rhodobacterales; Sphingobacteriales; ecosystems; environment; genes; keystone species; molecular weight; regression analysis; soil;     Show all 11 Subjects
Abstract:
... Soil microbial diversity is an essential driver of multiple ecosystem functions and services. However, the role and mechanisms of microbial diversity in the dissipation of persistent organic pollutants in soil are largely unexplored. Here, a gradient of soil microbial diversity was constructed artificially by a dilution-to-extinction approach to assess the role of soil microbial diversity in the d ...
DOI:
10.1016/j.scitotenv.2022.153082

18. Reaction Behaviors of Polycyclic Aromatic Hydrocarbon Molecules in a Diesel Hydro-Upgrading Process Based on the Molecular-Level Reaction Kinetic Model

Author:
Wenxin Yu; Lei Ye; Xinglong Qin; Alqubati Murad; Jichang Liu; Qiang Ying; Biao Xing; Jinquan Xie; Lixin Hou
Source:
Industrial & engineering chemistry process design and development 2022 v.61 no.17 pp. 5723-5733
ISSN:
1520-5045
Subject:
polycyclic aromatic hydrocarbons,   etc   ; hydrogen; hydrogenation; kinetics; models; oils; partial pressure; petroleum; process design; reaction mechanisms; temperature;     Show all 11 Subjects
Abstract:
... A molecular-level reaction kinetic model for the diesel hydro-upgrading (DHU) process was established on the basis of the structure-oriented lumping (SOL) method to describe the hydro-upgrading reaction network and investigate the reaction behaviors of polycyclic aromatic hydrocarbon (PAH) molecules. Twenty-two structural increments were selected to construct an 835 row × 23 column feed oil molecu ...
DOI:
10.1021/acs.iecr.1c04570

19. The Influence of Oil‐in‐Water Preparations on the Toxicity of Crude Oil to Marine Invertebrates and Fish Following Short‐Term Pulse and Continuous Exposures

Author:
Sharon E. Hook; Joanna Strzelecki; Merrin S. Adams; Monique T. Binet; Kitty McKnight; Lisa A. Golding; Travis S. Elsdon
Source:
Environmental toxicology and chemistry 2022 v.41 no.10 pp. 2580-2594
ISSN:
0730-7268
Subject:
polycyclic aromatic hydrocarbons,   etc   ; Acartia; Seriola lalandi; chemistry; dispersants; ecotoxicology; exposure duration; fish; oil spills; oils; petroleum; toxicity;     Show all 12 Subjects
Abstract:
... Following an oil spill, accurate assessments of the ecological risks of exposure to compounds within petroleum are required, as is knowledge regarding how those risks may change with the use of chemical dispersants. Laboratory toxicity tests are frequently used to assess these risks, but differences in the methods for preparation of oil‐in‐water solutions may confound interpretation, as may differ ...
DOI:
10.1002/etc.5437

20. Insights into the effects of Fenton oxidation on PAH removal and indigenous bacteria in aged subsurface soil

Author:
Yaling Gou; Junsheng Ma; Sucai Yang; Yun Song
Source:
Environmental pollution 2022 v.298 pp. 118872
ISSN:
0269-7491
Subject:
polycyclic aromatic hydrocarbons,   etc   ; biodegradation; bioremediation; community structure; oxidants; oxidation; polluted soils; pollution; soil bacteria; subsurface soil layers;     Show all 10 Subjects
Abstract:
... Combined chemical oxidation and bioremediation is a promising method of treating polycyclic aromatic hydrocarbon (PAH) contaminated soil, wherein indigenous soil bacteria play a critical role in the subsequent biodegradation of PAHs after the depletion of the oxidant. In this study, different Fenton conditions were applied by varying either the oxidation mode (conventional Fenton (CF), Fenton-like ...
DOI:
10.1016/j.envpol.2022.118872