Polycyclic aromatic hydrocarbon (PAH) formation from benzyl radicals: a reaction kinetics study

2016 ◽  
Vol 18 (11) ◽  
pp. 8120-8131 ◽  
Author(s):  
Sourab Sinha ◽  
Abhijeet Raj

The role of resonantly stabilized benzyl radicals in the formation of polycyclic aromatic hydrocarbons (phenanthrene and anthracene) in high-temperature flame environments has been explored.

2019 ◽  
Author(s):  
Yachu Du ◽  
Kyle Plunkett

We show that polycyclic aromatic hydrocarbon (PAH) chromophores that are linked between two five-membered rings can access planarized structures with reduced optical gaps and redox potentials. Two aceanthrylene chromophores were connected into dimer model systems with the chromophores either projected outward (2,2’-biaceanthrylene) or inward (1,1’-biaceanthrylene) and the optical and electronic properties were compared. Only the planar 2,2’-biaceanthrylene system showed significant reductions of the optical gaps (1 eV) and redox potentials in relation to the aceanthrylene monomer.<br>


2019 ◽  
Author(s):  
Yachu Du ◽  
Kyle Plunkett

We show that polycyclic aromatic hydrocarbon (PAH) chromophores that are linked between two five-membered rings can access planarized structures with reduced optical gaps and redox potentials. Two aceanthrylene chromophores were connected into dimer model systems with the chromophores either projected outward (2,2’-biaceanthrylene) or inward (1,1’-biaceanthrylene) and the optical and electronic properties were compared. Only the planar 2,2’-biaceanthrylene system showed significant reductions of the optical gaps (1 eV) and redox potentials in relation to the aceanthrylene monomer.<br>


2019 ◽  
Vol 55 (4) ◽  
pp. 447-450 ◽  
Author(s):  
Chang Heon Lee ◽  
Ha Eun Shim ◽  
Lee Song ◽  
Hi Gyu Moon ◽  
Kyuhong Lee ◽  
...  

As a robust radioanalytical method for tracking carbonaceous particulates in vivo, polycyclic aromatic hydrocarbons from diesel exhaust were labeled with a radioactive-iodine-tagged pyrene analogue.


2020 ◽  
Vol 9 (40) ◽  
Author(s):  
Andrey Filonov ◽  
Yanina Delegan ◽  
Irina Puntus ◽  
Leonid Valentovich ◽  
Artur Akhremchuk ◽  
...  

ABSTRACT The strain Pseudomonas putida BS3701 was isolated from soil contaminated with coke by-product waste (Moscow Region, Russian Federation). It is capable of degrading crude oil and polycyclic aromatic hydrocarbons (PAHs). The P. putida BS3701 genome consists of a 6,337,358-bp circular chromosome and two circular plasmids (pBS1141 with 107,388 bp and pBS1142 with 54,501 bp).


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