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Ghosh S, Kumar S, Suneesh S, Bhambri H, Mandal SK, Ghosh S, Chowdhury R, Addy PS. One-Pot Synthesis of Vinylogous Cyano Aminoaryls (VinCAs) as Benzenic Fluorophores: Tailoring Diverse Emission Colors for White Light Emitting Materials and Cell Imaging. J Org Chem 2024; 89:9303-9312. [PMID: 38752740 DOI: 10.1021/acs.joc.4c00320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Donor-acceptor-based organic small molecules with an electronic push-pull effect can demonstrate intramolecular charge transfer to show interesting photoluminescence properties. This is an essential criterion for designing fluorogenic probes for cell imaging studies and the development of organic light-emitting diodes. Now, to design such optical materials sometimes it is necessary to tune the band gap by controlling the energies of the highest occupied molecular orbital and lowest unoccupied molecular orbital. Typically, the band gaps could be modulated by installing unsaturated handles between electron-rich donors and electron-deficient acceptors. However, these methods are often synthetically and economically challenging due to the involvement of expensive catalysts and difficult reaction setups. In our present study, we show a straightforward, cost-effective method for obtaining a series of donor-acceptor-type Vinylogous Cyano Aminoaryls (VinCAs) with diverse emission colors. Further studies reveal that these VinCAs can serve as effective cell imaging agents, showcasing potential use in chemical biology. Additionally, these molecules could be further used to generate white light emission (WLE), showing their potential utility in advanced lighting technologies.
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Affiliation(s)
- Saurajit Ghosh
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Chemistry, Pilani, Rajasthan 333031, India
| | - Shubham Kumar
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Chemistry, Pilani, Rajasthan 333031, India
| | - Swathi Suneesh
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Chemical Engineering, Pilani, Rajasthan 333031, India
| | - Himanshi Bhambri
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Mohali, Punjab 140306, India
| | - Sanjay K Mandal
- Department of Chemical Sciences, Indian Institute of Science Education and Research Mohali, Mohali, Punjab 140306, India
| | - Sarbani Ghosh
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Chemical Engineering, Pilani, Rajasthan 333031, India
| | - Rajdeep Chowdhury
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Biological Sciences, Pilani, Rajasthan 333031, India
| | - Partha Sarathi Addy
- Birla Institute of Technology and Science Pilani, Pilani Campus, Department of Chemistry, Pilani, Rajasthan 333031, India
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Vollmer I, Jenks MJF, Rejman S, Meirer F, Gurinov A, Baldus M, Weckhuysen BM. Unravelling potential reaction intermediates during catalytic pyrolysis of polypropylene with microscopy and spectroscopy. Catal Sci Technol 2024; 14:894-902. [PMID: 38379714 PMCID: PMC10876043 DOI: 10.1039/d3cy01473h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Accepted: 01/10/2024] [Indexed: 02/22/2024]
Abstract
While plastics-to-plastics recycling via melting and re-extrusion is often the preferred option due to a relatively low CO2 footprint, this technique requires a highly sorted waste stream and plastic properties can often not be maintained. Obtaining aromatics, such as benzene, toluene, and xylene (BTX), via catalytic pyrolysis of polyolefins, such as polypropylene and polyethylene, offers another attractive recycling technology. In this process, a discarded crude oil refinery catalyst (ECAT) was previously shown to lower the unwanted formation of deactivating coke species compared to a fresh crude oil refinery catalyst (FCC-cat), while yielding 20 wt% aromatics from polypropylene. In this work, we study the underlying reaction mechanism for this chemical recycling process over the fresh and used refinery catalyst as well as a model system, not containing any zeolite material, using a combination of microscopy and spectroscopy. More specifically, by using in situ fluorescence microscopy, in situ infrared spectroscopy, in situ ultraviolet-visible spectroscopy as well as ex situ solid-state nuclear magnetic resonance, we observe highly fluorescent methylated aromatic intermediates that differ for the three catalyst materials under study both in their fluorescence, IR, UV-vis, and NMR spectroscopy features. This detailed micro-spectroscopic comparison informs which potential reaction intermediates lead to increased coke formation. Our results suggests that a next generation of catalyst materials for this process would profit from a higher accessibility and a milder acidity compared to an FCC-cat and shows the great potential of using ECAT to reduce coking and obtain a BTX stream, which could be become the chemical building blocks for the manufacturing of e.g., plastics and coating materials.
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Affiliation(s)
- Ina Vollmer
- Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science and Institute for Sustainable and Circular Chemistry, Department of Chemistry, Utrecht University Universiteitsweg 99 3584 CH Utrecht The Netherlands
| | - Michael J F Jenks
- Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science and Institute for Sustainable and Circular Chemistry, Department of Chemistry, Utrecht University Universiteitsweg 99 3584 CH Utrecht The Netherlands
| | - Sebastian Rejman
- Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science and Institute for Sustainable and Circular Chemistry, Department of Chemistry, Utrecht University Universiteitsweg 99 3584 CH Utrecht The Netherlands
| | - Florian Meirer
- Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science and Institute for Sustainable and Circular Chemistry, Department of Chemistry, Utrecht University Universiteitsweg 99 3584 CH Utrecht The Netherlands
| | - Andrei Gurinov
- NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Department of Chemistry, Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands
| | - Marc Baldus
- NMR Spectroscopy, Bijvoet Center for Biomolecular Research, Department of Chemistry, Utrecht University Padualaan 8 3584 CH Utrecht The Netherlands
| | - Bert M Weckhuysen
- Inorganic Chemistry and Catalysis group, Debye Institute for Nanomaterials Science and Institute for Sustainable and Circular Chemistry, Department of Chemistry, Utrecht University Universiteitsweg 99 3584 CH Utrecht The Netherlands
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3
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Natkaniec-Nowak L, Drzewicz P, Stach P, Mroczkowska-Szerszeń M, Żukowska G. The overview of analytical methods for studying of fossil natural resins. Crit Rev Anal Chem 2023:1-23. [PMID: 37083454 DOI: 10.1080/10408347.2023.2200855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
The review presents methods that are used frequently for multi-analytical study of fossil resins. The preliminary characterization relies on physical methods such as microhardness, density and fluorescence in UV light measurements. The spectroscopic methods: infrared spectroscopy, Raman spectroscopy, fluorescence spectroscopy are also presented in the paper. Besides that, the review also contains examples of the application of chromatographic methods: gas chromatography, thin layer chromatography, high-performance liquid chromatography, two-dimensional gas chromatography coupled to time-of-flight mass spectrometry as well as sample preparation methods for chromatographic studies such as pyrolysis. Additionally, thermal methods such as thermogravimetric analysis and differential scanning calorimetry also are covered by the review. Beside the examples of application, a detailed description with development history and perspective for further improvement are presented for each method. Moreover, fit-for-purpose assessment of each method is illustrated based on many examples from literature. The paper also contains examples of the application of multivariate statistical analysis and chemometric methods for comparing multiple properties of different fossil resin specimens for differentiation and classification purposes.
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Affiliation(s)
- Lucyna Natkaniec-Nowak
- Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Krakow, Poland
| | | | - Pawel Stach
- Faculty of Geology, Geophysics and Environmental Protection, AGH University of Science and Technology, Krakow, Poland
| | | | - Grażyna Żukowska
- Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland
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Ruiz-Morales Y, Alvarez-Ramírez F. Usage of the Y-Rule and the Effect of the Occurrence of Heteroatoms (N, S) on the Frontier Molecular Orbitals Gap of Polycyclic Aromatic Hydrocarbons (PAHs), and Asphaltene-PAHs. Chemphyschem 2023; 24:e202200682. [PMID: 36720702 DOI: 10.1002/cphc.202200682] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/02/2023]
Abstract
The understanding of the molecular- and colloidal-structure of asphaltenes has seen a major progress; however, there are still issues that require answer. One of them is the location of the heteroatoms in the polycyclic aromatic hydrocarbon (PAH) fused aromatic ring (FAR) region of asphaltenes. Therefore, the effect on the frontier molecular orbitals (HOMO-LUMO) energy-gap due to the addition of a heteroatom (N or S) to PAHs, which are candidates of the PAH region in asphaltenes, has been systematically analyzed by placing S or N in various sites of the PAH molecule. The S is introduced as a thiophenic ring in a bay region, while the N is introduced as a pyridinic-N, which are prevalent forms in the asphaltene-PAH. 174 PAHs are studied with five fused aromatic rings (5FAR) to 10FAR. The π-electron allocation in resonant π-sextets and isolated double bonds is obtained using the Y-rule. The frontier orbitals optical transition is calculated with the ZINDO/S method. Within a FAR family an increment of π-sextets produces and increase of the HOMO-LUMO energy-gap. There is a linear relationship between the Y-rule mapping (percentage of fraction of π-sextet bond divided by nFAR) and the HOMO-LUMO energy-gap. In addition, the effect on the frontier orbitals energy-gap and on the π-electronic allocation due to the presence of N and S is negligible; therefore, to reach conclusions related to the asphaltene-PAH based on conclusions reached for PAH systems, with no heteroatoms, is a reasonable approach.
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Affiliation(s)
- Yosadara Ruiz-Morales
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Norte 152, Mexico City, 07730, Mexico
| | - Fernando Alvarez-Ramírez
- Instituto Mexicano del Petróleo, Eje Central Lázaro Cárdenas Norte 152, Mexico City, 07730, Mexico
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Nakano T, Fujikawa S. Aryl/Heteroaryl Substituted Boron-Difluoride Complexes Bearing 2-(Isoquinol-1-yl)pyrrole Ligands Exhibiting High Luminescence Efficiency with a Large Stokes Shift. J Org Chem 2022; 87:11708-11721. [PMID: 35969831 DOI: 10.1021/acs.joc.2c01343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A series of 2-(isoquinol-1-yl)pyrrole-boron complexes possessing (hetero)aryl substituents on the pyrrole and/or isoquinoline moiety were prepared. These compounds exhibited the fluorescence emission character in both solution and solid state. In most cases, the large Stokes shift and high fluorescence quantum yield in the solution were compatible. Furthermore, the structural diversity allowed the precise tuning of emitting colors from light blue to red with strong emission intensity. The present paper describes their comprehensive optical characteristics dependent on the type and position of the substituted aryl groups by the experimental and computational studies.
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Affiliation(s)
- Takeo Nakano
- Research Center for Negative Emissions Technologies (K-NETs), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan.,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Shigenori Fujikawa
- Research Center for Negative Emissions Technologies (K-NETs), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan.,International Institute for Carbon-Neutral Energy Research (WPI-I2CNER), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan
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6
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Vollmer I, Jenks MJF, Mayorga González R, Meirer F, Weckhuysen BM. Plastic Waste Conversion over a Refinery Waste Catalyst. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202104110] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ina Vollmer
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Michael J. F. Jenks
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Rafael Mayorga González
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Florian Meirer
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
| | - Bert M. Weckhuysen
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials Science Utrecht University Universiteitsweg 99 3584 CG Utrecht The Netherlands
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7
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Vollmer I, Jenks MJF, Mayorga González R, Meirer F, Weckhuysen BM. Plastic Waste Conversion over a Refinery Waste Catalyst. Angew Chem Int Ed Engl 2021; 60:16101-16108. [PMID: 33974734 PMCID: PMC8362022 DOI: 10.1002/anie.202104110] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Indexed: 11/16/2022]
Abstract
Polypropylene (PP) makes up a large share of our plastic waste. We investigated the conversion of PP over the industrial Fluid Catalytic Cracking catalyst (FCC-cat) used to produce gasoline from crude oil fractions. We studied transport limitations arising from the larger size of polymers compared to the crude oil-based feedstock by testing the components of this catalyst separately. Infrared spectroscopy and confocal fluorescence microscopy revealed the role of the FCC matrix in aromatization, and the zeolite Y domains in coking. An equilibrium catalyst (ECAT), discarded during FCC operation as waste, produced the same aromatics content as a fresh FCC-cat, while coking decreased significantly, likely due to the reduced accessibility and activity of the zeolite domains and an enhanced cracking activity of the matrix due to metal deposits present in ECAT. This mechanistic understanding provides handles for further improving the catalyst composition towards higher aromatics selectivity.
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Affiliation(s)
- Ina Vollmer
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Michael J. F. Jenks
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Rafael Mayorga González
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Florian Meirer
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
| | - Bert M. Weckhuysen
- Inorganic Chemistry and Catalysis, Debye Institute for Nanomaterials ScienceUtrecht UniversityUniversiteitsweg 993584 CGUtrechtThe Netherlands
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8
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Sweet SD, Coulson DR, Giguère JB, Morin JF, Wagner BD. Synthesis and polarity-sensitive fluorescent properties of a novel water-soluble polycyclic aromatic hydrocarbon (PAH). CAN J CHEM 2021. [DOI: 10.1139/cjc-2020-0358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
We report the successful synthesis and spectroscopic characterization of a novel, water soluble anthanthrene-based derivative, 6,12-bis(TEG)anthanthrene 3. The presence of the two long ethylene glycol side chains gives this large, six-membered polycyclic aromatic compound a high aqueous solubility. It exhibits UV–vis absorption properties similar to those of anthanthrene itself, indicating that the side chains do not have a significant effect on the electronic structure of the central chromophore. The compound exhibits strong, polarity-sensitive fluorescence in aqueous solution in the blue–green region of the spectrum, with a fluorescence quantum yield of 0.13 and a polarity sensitivity factor (PSF) of 2.0. The utility of this new fluorescent molecule as a probe of supramolecular complexation was demonstrated by its inclusion into the molecular host hydroxypropyl-β-cyclodextrin in aqueous solution. Strictly 1:1 inclusion was observed, with a moderately strong binding constant K of 650 M−1. This new fluorescence probe has significant potential applications in fluorescence-based studies of aqueous biochemical and supramolecular systems.
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Affiliation(s)
- Samantha D. Sweet
- Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Drew R. Coulson
- Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
| | - Jean-Benoît Giguère
- Département de Chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, QC G1V 0A6, Canada
| | - Jean-François Morin
- Département de Chimie and Centre de Recherche sur les Matériaux Avancés (CERMA), Université Laval, 1045 Ave de la Médecine, Québec, QC G1V 0A6, Canada
| | - Brian D. Wagner
- Department of Chemistry, University of Prince Edward Island, Charlottetown, PE C1A 4P3, Canada
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Hsieh JH, Sedykh A, Mutlu E, Germolec DR, Auerbach SS, Rider CV. Harnessing In Silico, In Vitro, and In Vivo Data to Understand the Toxicity Landscape of Polycyclic Aromatic Compounds (PACs). Chem Res Toxicol 2020; 34:268-285. [PMID: 33063992 DOI: 10.1021/acs.chemrestox.0c00213] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Polycyclic aromatic compounds (PACs) are compounds with a minimum of two six-atom aromatic fused rings. PACs arise from incomplete combustion or thermal decomposition of organic matter and are ubiquitous in the environment. Within PACs, carcinogenicity is generally regarded to be the most important public health concern. However, toxicity in other systems (reproductive and developmental toxicity, immunotoxicity) has also been reported. Despite the large number of PACs identified in the environment, research attention to understand exposure and health effects of PACs has focused on a relatively limited subset, namely polycyclic aromatic hydrocarbons (PAHs), the PACs with only carbon and hydrogen atoms. To triage the rest of the vast number of PACs for more resource-intensive testing, we developed a data-driven approach to contextualize hazard characterization of PACs, by leveraging the available data from various data streams (in silico toxicity, in vitro activity, structural fingerprints, and in vivo data availability). The PACs were clustered on the basis of their in silico toxicity profiles containing predictions from 8 different categories (carcinogenicity, cardiotoxicity, developmental toxicity, genotoxicity, hepatotoxicity, neurotoxicity, reproductive toxicity, and urinary toxicity). We found that PACs with the same parent structure (e.g., fluorene) could have diverse in silico toxicity profiles. In contrast, PACs with similar substituted groups (e.g., alkylated-PAHs) or heterocyclics (e.g., N-PACs) with varying ring sizes could have similar in silico toxicity profiles, suggesting that these groups are better candidates for toxicity read-across analysis. The clusters/regions associated with certain in silico toxicity, in vitro activity, and structural fingerprints were identified. We found that genotoxicity/carcinogenicity (in silico toxicity) and xenobiotic homeostasis and stress response (in vitro activity), respectively, dominate the toxicity/activity variation seen in the PACs. The "hot spots" with enriched toxicity/activity in conjunction with availability of in vivo carcinogenicity data revealed regions of either data-poor (hydroxylated-PAHs) or data-rich (unsubstituted, parent PAHs) PACs. These regions offer potential targets for prioritization of further in vivo assessment and for chemical read-across efforts. The analysis results are searchable through an interactive web application (https://ntp.niehs.nih.gov/go/pacs_tableau), allowing for alternative hypothesis generation.
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Affiliation(s)
- Jui-Hua Hsieh
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, North Carolina 27709, United States
| | | | - Esra Mutlu
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, North Carolina 27709, United States
| | - Dori R Germolec
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, North Carolina 27709, United States
| | - Scott S Auerbach
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, North Carolina 27709, United States
| | - Cynthia V Rider
- Division of the National Toxicology Program, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, North Carolina 27709, United States
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Chen Y, Zhang Q, Willis M, Yao Y, Huang J, Wang B, Yu Y, Zhang S. Simple Method to Supply Organic Nanoparticles with Excitation-Wavelength-Dependent Photoluminescence. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3193-3200. [PMID: 32148045 DOI: 10.1021/acs.langmuir.9b03840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Organic fluorescent nanoparticles (FNPs) have become increasingly prevalent in a variety of applications but the creation of organic FNPs using a simple procedure and that possess diverse morphology, multicolor luminescence, and high brightness has been challenging. Herein, a facile strategy to prepare this class of organic FNPs is established by way of preformed organic nanoparticles themselves. It was found that as long as the nanoparticles contained aromatic/heterocyclic rings in their base unit and regardless of morphologies (e.g., small-molecule micelles, polymeric micelles, reverse micelles, solid microspheres, and vesicles), simple UV irradiation can result in the particles exhibiting excitation-wavelength-dependent photoluminescence with considerable quantum yields (∼8.3-16.7% for tested particles). Upon initial investigation of the mechanism, the photoluminescence behavior was attributed to a polycyclic aromatic hydrocarbon (PAH) process. Furthermore, the application of the synthesized organic FNPs in cancer cell imaging is demonstrated as just one of the many potential applications. The straightforward method to supply preformed organic nanoparticles with photoluminescence would be attractive for scientists in both academia and industry.
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Affiliation(s)
- Yun Chen
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Qian Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Maureen Willis
- Sino-British Materials Research Institute, College of Physical Science and Technology, Sichuan University, Chengdu 610064, China
- School of Physics and Astronomy, Queen Mary University of London, London E1 4NS, U.K
| | - Yongchao Yao
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Jingsheng Huang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Bingji Wang
- College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Yunlong Yu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
| | - Shiyong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
- College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, China
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11
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Haghdoost MM, Golbaghi G, Guard J, Sielanczyk S, Patten SA, Castonguay A. Synthesis, characterization and biological evaluation of cationic organoruthenium(ii) fluorene complexes: influence of the nature of the counteranion. Dalton Trans 2019; 48:13396-13405. [PMID: 31432885 DOI: 10.1039/c9dt00143c] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this study, five ruthenium arene complexes with fluorene-bearing N,N-(1) and N,O-(2) donor Schiff base ligands were synthesized and fully characterized. Cationic ruthenium complexes 3[X], ([Ru(η6-C6H6)(Cl)(fluorene-N[double bond, length as m-dash]CH-pyridine)][X] (where X = BF4, PF6, BPh4), were obtained by reacting ligand 1 with [Ru(η6-C6H6)Cl2]2 in the presence of NH4X salts, whereas neutral complex 4, Ru(η6-C6H6)(Cl)(fluorene-N[double bond, length as m-dash]CH-naphtholate), was isolated by reacting ligand 2 with the same precursor. It was possible to obtain a cationic version of the latter, 5[BF4], by reacting 4 with AgBF4 in the presence of pyridine. All compounds were fully characterized by NMR and HR-ESI-MS whereas some of them were also analyzed by single crystal X-ray analysis. Their in vitro antiproliferative activity was also assessed in human breast cancer cell lines, notably MCF-7 and T47D. Complex 4 and its cationic counterpart 5[BF4] were found to be the most cytotoxic compounds of the series (IC50 = 6.2-16.2 μM) and displayed higher antiproliferative activities than cisplatin in both cell lines. It was found that 5[BF4] undergoes a ligand exchange reaction and readily converts to 4 in the presence of 0.1 M NaCl, explaining the similarity in their observed cytotoxicities. Whereas 3[BF4] and 3[PF6] were found inactive at the tested concentrations, 3[BPh4] displayed a considerable cytotoxicity (IC50 = 16.7-27.8 μM). Notably, 3[BPh4], 4 (and 5[BF4]) were active against T47D, a cisplatin resistant cell line. Interestingly, 4 (16.4 μM) was found to be less cytotoxic than 3[BPh4] and cisplatin (6.6 and 7.9 μM, respectively) in breast healthy cells (MCF-12A). However, in comparison to 4 and cisplatin (at 10 μM), a lower in vivo toxicity was observed for complex 3[BPh4] on the development of zebrafish (Danio rerio) embryos.
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Affiliation(s)
- Mohammad Mehdi Haghdoost
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
| | - Golara Golbaghi
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
| | - Juliette Guard
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
| | - Sarah Sielanczyk
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
| | - Shunmoogum A Patten
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
| | - Annie Castonguay
- INRS - Centre Armand-Frappier Santé Biotechnology, Université du Québec, 531 boul. des Prairies, Laval, Quebec H7V 1B7, Canada.
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12
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Hirai M, Tanaka N, Sakai M, Yamaguchi S. Structurally Constrained Boron-, Nitrogen-, Silicon-, and Phosphorus-Centered Polycyclic π-Conjugated Systems. Chem Rev 2019; 119:8291-8331. [DOI: 10.1021/acs.chemrev.8b00637] [Citation(s) in RCA: 286] [Impact Index Per Article: 57.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Masato Hirai
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo, Chikusa, Nagoya 464-8601, Japan
| | - Naoki Tanaka
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo, Chikusa, Nagoya 464-8601, Japan
| | - Mika Sakai
- Department of Chemistry, Graduate School of Science and Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan
| | - Shigehiro Yamaguchi
- Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo, Chikusa, Nagoya 464-8601, Japan
- Department of Chemistry, Graduate School of Science and Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo, Chikusa, Nagoya 464-8602, Japan
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13
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Subashchandrabose SR, Venkateswarlu K, Naidu R, Megharaj M. Biodegradation of high-molecular weight PAHs by Rhodococcus wratislaviensis strain 9: Overexpression of amidohydrolase induced by pyrene and BaP. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 651:813-821. [PMID: 30253363 DOI: 10.1016/j.scitotenv.2018.09.192] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Revised: 09/14/2018] [Accepted: 09/15/2018] [Indexed: 06/08/2023]
Abstract
A Gram-positive bacterium, Rhodococcus wratislaviensis strain 9, completely degraded 280 μM of phenanthrene, 40% of 50 μM pyrene or 28% of 40 μM benzo[a]pyrene (BaP), each supplemented in M9 medium, within 7 days. PCR screening with gene-specific primers indicated that the strain 9 harbors genes which code for 2,3-dihydroxybiphenyl 1,2-dioxygenase (bphC), 4-nitrophenol 2-monooxygenase component B (npcB) as well as oxygenase component (nphA1), 4-hydroxybenzoate 3-monooxygenase (phbH), extradiol dioxygenase (edo), and naphthalene dioxygenase (ndo), all of which are largely implicated in biodegradation of several aromatic hydrocarbons. An orthogonal design experiment revealed that BaP biodegradation was greatly enhanced by surfactants such as Tween 80, Triton X-100 and linoleic acid, suggesting that bioavailability is the major limiting factor in bacterial metabolism of BaP. Both pyrene and BaP induced the overexpression of amidohydrolase, a metallo-dependent hydrolase, possibly involved in their biodegradation by strain 9. The up-regulation of amidohydrolase gene induced by BaP, in particular, was also confirmed by semi-quantitative RT-PCR. Catechol 2,3-dioxygenase and the large subunit of ndo, but not amidohydrolase, accumulated when the strain 9 was grown on phenanthrene. To our knowledge, this is the first report on overexpression of amidohydrolase and its possible implication in bacterial degradation of high-molecular weight PAHs.
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Affiliation(s)
- Suresh R Subashchandrabose
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan NSW 2308, Australia, and CRC CARE, Newcastle University LPO, PO Box 18, Callaghan, NSW 2308, Australia
| | - Kadiyala Venkateswarlu
- Formerly Department of Microbiology, Sri Krishnadevaraya University, Anantapur 515055, India
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan NSW 2308, Australia, and CRC CARE, Newcastle University LPO, PO Box 18, Callaghan, NSW 2308, Australia
| | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan NSW 2308, Australia, and CRC CARE, Newcastle University LPO, PO Box 18, Callaghan, NSW 2308, Australia.
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14
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Tibabuzo Perdomo AM, Alberts EM, Taylor SD, Sherman DM, Huang CP, Wilker JJ. Changes in Cementation of Reef Building Oysters Transitioning from Larvae to Adults. ACS APPLIED MATERIALS & INTERFACES 2018; 10:14248-14253. [PMID: 29652468 DOI: 10.1021/acsami.8b01305] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Oysters construct extensive reef communities, providing food, protection from storms, and healthy coastlines. We still do not have a clear picture of how these animals attach to surfaces. Efforts described herein provide the first examination of adhesion at the transition from free swimming larvae to initial substrate attachment, through metamorphosis, and on to adulthood. Two different bonding systems were found to coexist. Larvae use an organic, hydrated glue that persists while the animal progresses into the juvenile phase, at which point a very different adhesive emerges. Juveniles bond with an organic-inorganic composite system, positioning the organic component for maximum adhesion by residing between the animal and substrate. Beyond understanding our marine environment, these insights may aid efforts in aquaculture, reef restoration, and adhesive design.
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Affiliation(s)
- Andrés M Tibabuzo Perdomo
- Department of Chemistry , Purdue University , 560 Oval Drive , West Lafayette , Indiana 47907-2084 , United States
| | - Erik M Alberts
- Department of Chemistry , Purdue University , 560 Oval Drive , West Lafayette , Indiana 47907-2084 , United States
| | - Stephen D Taylor
- Department of Chemistry , Purdue University , 560 Oval Drive , West Lafayette , Indiana 47907-2084 , United States
| | - Debra M Sherman
- Life Science Microscopy Facility , Purdue University , 170 South University Street , West Lafayette , Indiana 47907 , United States
| | - Chia-Ping Huang
- Life Science Microscopy Facility , Purdue University , 170 South University Street , West Lafayette , Indiana 47907 , United States
| | - Jonathan J Wilker
- Department of Chemistry , Purdue University , 560 Oval Drive , West Lafayette , Indiana 47907-2084 , United States
- School of Materials Engineering , Purdue University , Neil Armstrong Hall of Engineering, 701 West Stadium Avenue , West Lafayette , Indiana 47907-2045 , United States
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15
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Prakash Rao HS, Vijjapu S. Synthesis and photochromic properties of benzofuran–phenanthrene and benzofuran–pyrene hybrids. RSC Adv 2014. [DOI: 10.1039/c4ra02435d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Iron(iii) chloride mediated condensation of phenanthrene-9,10-dione and pyrene-4,5-dione with cyclohexanone and its derivatives furnish benzofuran–phenanthrene and benzofuran–pyrene hybrids.
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Affiliation(s)
| | - Satish Vijjapu
- Department of Chemistry
- Pondicherry University
- Pondicherry-605 014, India
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16
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Jose D, Datta A. Structures and electronic properties of silicene clusters: a promising material for FET and hydrogen storage. Phys Chem Chem Phys 2011; 13:7304-11. [PMID: 21359313 DOI: 10.1039/c0cp02580a] [Citation(s) in RCA: 116] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Structures and electronic properties of clusters of an all-Si analogue of graphene, silicene, have been studied through quantum chemical calculations. The structures of the six-membered rings show interesting chair like puckering, which for large sheet-like clusters form ordered ripples. Binding energies, HOMO-LUMO gaps and polarizabilities for the silicene clusters show interesting monotonic trends analogous to polyacenes. Stacking of two silicene layers leads to the formation of closed 3D clusters with high symmetry and strong Si-Si bonds. The heat of hydrogenation of silicene to form silicanes is overwhelmingly exothermic and leads to the opening up of the HOMO-LUMO gaps. Thus, analogous to graphanes, silicanes are predicted to be interesting materials for hydrogen storage and for their band engineering properties.
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Affiliation(s)
- Deepthi Jose
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, CET Campus, Thiruvananthapuram-695016, Kerala, India
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17
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Dimerization of 2-pyridylisonitriles produces π-extended fused heteroarenes useful as highly selective colorimetric and optical probes for copper ion. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.06.096] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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18
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Feng C, Lin CS, Fan W, Zhang RQ, Van Hove MA. Stacking of polycyclic aromatic hydrocarbons as prototype for graphene multilayers, studied using density functional theory augmented with a dispersion term. J Chem Phys 2009; 131:194702. [DOI: 10.1063/1.3251785] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Mao C, McGill KE, Tucker SA. Micellar liquid chromatography of polycyclic aromatic hydrocarbons: Alkylpyridinium chloride as mobile phase modifier and selective fluorescence quencher. J Sep Sci 2003. [DOI: 10.1002/jssc.200301624] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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20
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Pandey S, Redden RA, Hendricks AE, Fletcher KA, Palmer CP. Characterization of the solvation environment provided by dilute aqueous solutions of novel siloxane polysoaps using the fluorescence probe pyrene. J Colloid Interface Sci 2003; 262:579-87. [PMID: 16256641 DOI: 10.1016/s0021-9797(03)00135-8] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2002] [Accepted: 01/31/2003] [Indexed: 10/27/2022]
Abstract
Solubilization environment afforded by several of the novel allyl glycidyl ether-modified methylhydrosiloxane polymers are investigated using a common polycyclic aromatic hydrocarbon fluorescence probe, pyrene. The backbone of the polymer has been modified by the addition of an alkyl chain of varying length (either C8, C12, or C18) and to differing degrees of substitution. The nomenclature adopted for the purposes of these studies is as follows: "AGENT" represents the backbone polymer with no alkyl substitution, and "OAGENT", "DAGENT", and "SAGENT" are substituted with n-octyl, n-dodecyl, and n-octadecyl, respectively. The percentage of alkyl substitution is designated as 10, 15, and 20%. The pyrene polarity scale (defined as the ratio of the intensity of peak I to peak III) was used to determine the relative dipolarity of the cybotactic region provided by approximately 1 w/w% aqueous polymer solutions compared to 10 mM sodium dodecylsulfate (SDS) micellar solution. Results indicate that 10-15% DAGENT afforded the most hydrophobic solubilization site, followed by 15% OAGENT and 15% SAGENT. In addition, as the degree of alkyl substitution of DAGENT increased from 10 to 20%, the cybotactic region appeared to become more hydrophobic. Furthermore, a deeper investigation into the relative size of the solubilization site revealed that all alkyl-substituted polymers promoted excimer formation at relatively low pyrene concentrations, indicating the possibility of localized concentration enhancement within the solvation pockets and/or compartmentalization of the solute molecules. The pyrene fluorescence excitation data strongly indicates ground-state heterogeneity that is most prominent in AGENT and decreases as the alkyl chain length is increased. This provides a relative sense of the size and shape of the solvation pockets afforded by each polymer solution. An overall analysis of the collected data indicated that these alkyl-substituted polymers may provide a more selective and efficient pseudostationary phase in electrokinetic chromatography with better solvation capacity for hydrophobic compounds compared to SDS.
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Affiliation(s)
- Siddharth Pandey
- Department of Chemistry, New Mexico Institute of Mining and Technology, Socorro, NM 87801, USA.
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Carbon K-edge X-ray Raman spectroscopy supports simple, yet powerful description of aromatic hydrocarbons and asphaltenes. Chem Phys Lett 2003. [DOI: 10.1016/s0009-2614(02)02003-1] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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22
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Ruiz-Morales Y. HOMO−LUMO Gap as an Index of Molecular Size and Structure for Polycyclic Aromatic Hydrocarbons (PAHs) and Asphaltenes: A Theoretical Study. I. J Phys Chem A 2002. [DOI: 10.1021/jp021152e] [Citation(s) in RCA: 265] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yosadara Ruiz-Morales
- Programa de Ingeniería Molecular, Instituto Mexicano del Petróleo, Eje Lázaro Cárdenas 152, Mexico City 07730, Mexico
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Mao C, Tucker SA. High-performance liquid chromatographic separation of polycyclic aromatic hydrocarbons using pyridinium chloride as a selective fluorescence quencher to aid detection. J Chromatogr A 2002; 966:53-61. [PMID: 12214704 DOI: 10.1016/s0021-9673(02)00706-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
The first use of pyridinium chloride (PC), as a selective fluorescence quenching agent of alternant polycyclic aromatic hydrocarbons (PAHs), under HPLC separation conditions is reported. PC was found to be superior to nitromethane, the only reported PAH selective quencher used in HPLC. The mobile phase addition of 0.03 M PC greatly simplifies the observed fluorescence-detected chromatograms for complex PAH mixtures, facilitating PAH identification. Stern-Volmer quenching constants (K(sv)) for PAHs were calculated from the chromatograms obtained under isocratic and gradient conditions and found to be similar. The K(sv) values were shown to be useful in establishing peak purity.
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Affiliation(s)
- Chunfeng Mao
- Department of Chemistry, University of Missouri, Columbia 65211, USA
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Acree WE, Pandey S, Tucker SA, Fetzer JC. Spectrofluorometric Analysis of Aromatic Compounds: Review of Applicability of Nitromethane as a Selective Fluorescence Quenching Agent for Identification of Alternant vs. Nonalternant Polycyclic Aromatic Hydrocarbons. Polycycl Aromat Compd 1997. [DOI: 10.1080/10406639708233830] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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25
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The production of large polycyclic aromatic hydrocarbons during catalytic hydrocracking. ACTA ACUST UNITED AC 1996. [DOI: 10.1016/s0167-2991(96)80027-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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26
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Tucker SA, Griffin AM, Acree WE, Tanga MJ, Bupp JE, Tochimoto TK, Lugtenburg J, Van Haeringen K, Cornelisse J, Cheng PC, Scott LT. Effect that Various Electron Donating Functional Groups have Regarding Nitromethane's Inability to Quench Fluorescence Emission of Nonalternant Fluoranthenoid Polycyclic Aromatic Hydrocarbons. Polycycl Aromat Compd 1994. [DOI: 10.1080/10406639408014700] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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27
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Rutan SC, Harris JM. Electronic spectroscopic investigations of the stationary phase in reversed-phase liquid chromatography. J Chromatogr A 1993. [DOI: 10.1016/0021-9673(93)80802-f] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Tucker SA, Bates HC, Amszi VL, Acree WE, Lee H, Di Raddo P, Harvey RG, Fetzer JC, Dyker G. Spectroscopic properties of polycyclic aromatic compounds. Anal Chim Acta 1993. [DOI: 10.1016/0003-2670(93)85109-w] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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30
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Tucker SA, Acree WE, Fetzer JC, Jacob J. Spectroscopic Properties of Polycyclic Aromatic Hydrocarbons: 2. Examination of Nitromethane as a Selective Fluorescence Quenching Agent for Alkylated Pyrene and Chrysene Derivatives. Polycycl Aromat Compd 1992. [DOI: 10.1080/10406639208048321] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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