Insight into Polycyclic Aromatic Hydrocarbons in Unconventional Oil via Concentration-Resolved Fluorescence Spectroscopy Coupled with Data Mining Techniques

2019 ◽  
Vol 33 (8) ◽  
pp. 7206-7215
Author(s):  
Lujun Zhang ◽  
Xiaodong Huang ◽  
Chunyan Wang ◽  
Chun Yang
Keyword(s):  
Data Mining ◽  
Polycyclic Aromatic Hydrocarbons ◽  
Fluorescence Spectroscopy ◽  
Aromatic Hydrocarbons ◽  
Data Mining Techniques ◽  
Unconventional Oil ◽  
Polycyclic Aromatic ◽  
Insight Into

scholarly journals Identification of a Novel Metabolite in the Degradation of Pyrene by Mycobacterium sp. Strain AP1: Actions of the Isolate on Two- and Three-Ring Polycyclic Aromatic Hydrocarbons

2001 ◽  
Vol 67 (12) ◽  
pp. 5497-5505 ◽  
Author(s):  
Joaquim Vila ◽  
Zaira López ◽  
Jordi Sabaté ◽  
Cristina Minguillón ◽  
Anna M. Solanas ◽  
...  
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Carboxylic Acid ◽  
Dicarboxylic Acid ◽  
Aromatic Hydrocarbons ◽  
Environmental Fate ◽  
Sole Source ◽  
Bacterial Strains ◽  
Polycyclic Aromatic ◽  
Insight Into

ABSTRACT Mycobacterium sp. strain AP1 grew with pyrene as a sole source of carbon and energy. The identification of metabolites accumulating during growth suggests that this strain initiates its attack on pyrene by either monooxygenation or dioxygenation at its C-4, C-5 positions to give trans- orcis-4,5-dihydroxy-4,5-dihydropyrene, respectively. Dehydrogenation of the latter, ortho cleavage of the resulting diol to form phenanthrene 4,5-dicarboxylic acid, and subsequent decarboxylation to phenanthrene 4-carboxylic acid lead to degradation of the phenanthrene 4-carboxylic acid via phthalate. A novel metabolite identified as 6,6′-dihydroxy-2,2′-biphenyl dicarboxylic acid demonstrates a new branch in the pathway that involves the cleavage of both central rings of pyrene. In addition to pyrene, strain AP1 utilized hexadecane, phenanthrene, and fluoranthene for growth. Pyrene-grown cells oxidized the methylenic groups of fluorene and acenaphthene and catalyzed the dihydroxylation andortho cleavage of one of the rings of naphthalene and phenanthrene to give 2-carboxycinnamic and diphenic acids, respectively. The catabolic versatility of strain AP1 and its use ofortho cleavage mechanisms during the degradation of polycyclic aromatic hydrocarbons (PAHs) give new insight into the role that pyrene-degrading bacterial strains may play in the environmental fate of PAH mixtures.

An Insight into the Local Aromaticities of Polycyclic Aromatic Hydrocarbons and Fullerenes.

ChemInform ◽  
2003 ◽  
Vol 34 (21) ◽  
Author(s):  
Jordi Poater ◽  
Xavier Fradera ◽  
Miquel Duran ◽  
Miquel Sola
Keyword(s):  
Polycyclic Aromatic Hydrocarbons ◽  
Aromatic Hydrocarbons ◽  
Polycyclic Aromatic ◽  
Insight Into
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