A polycyclic aromatic hydrocarbon (PAH) is a class of organic compounds that is composed of multiple aromatic rings. The simplest representative is naphthalene...
86 KB (8,863 words) - 06:53, 9 May 2024
nitrogen Polycyclic aromatic hydrocarbons, also known as polynuclear aromatic compounds (PAHs) are aromatic hydrocarbons that consist of fused aromatic rings...
21 KB (2,104 words) - 20:48, 6 June 2024
Chlorinated polycyclic aromatic hydrocarbons (Cl-PAHs) are a group of compounds comprising polycyclic aromatic hydrocarbons with two or more aromatic rings...
11 KB (1,297 words) - 06:28, 20 August 2023
particles are linked to cardiopulmonary disease. Polycyclic Aromatic Hydrocarbons (PAHs): a group of aromatic compounds formed from the incomplete combustion...
230 KB (23,437 words) - 22:39, 8 July 2024
Naphthalene (category Simple aromatic rings)
organic compound with formula C 10H 8. It is the simplest polycyclic aromatic hydrocarbon, and is a white crystalline solid with a characteristic odor...
37 KB (3,382 words) - 03:22, 22 June 2024
Cassini–Huygens space probe. Hydrocarbons are also abundant in nebulae forming polycyclic aromatic hydrocarbon compounds. Burning hydrocarbons as fuel, which produces...
24 KB (2,578 words) - 22:55, 9 June 2024
flavonoids, polyphenols and indoles, as well as synthetic polycyclic aromatic hydrocarbons and dioxin-like compounds. AhR is a cytosolic transcription...
52 KB (5,968 words) - 15:15, 4 June 2024
Sealcoat (section Polycyclic aromatic hydrocarbons)
refined coal tar sealants are a significant contributor to polycyclic aromatic hydrocarbon levels in streams and creek beds and that the continual application...
4 KB (549 words) - 03:36, 24 June 2024
contrast, molecules with 4n pi electrons are antiaromatic. Polycyclic aromatic hydrocarbons (PAH) Clayden, J.; Greeves, N.; Warren, S.; Wothers, P. (2001)...
7 KB (452 words) - 16:59, 14 August 2023
Anthracene (category Polycyclic aromatic hydrocarbons)
Anthracene is a solid polycyclic aromatic hydrocarbon (PAH) of formula C14H10, consisting of three fused benzene rings. It is a component of coal tar...
15 KB (1,036 words) - 18:19, 2 June 2024
[better source needed] Most of the chemical compounds are polycyclic aromatic hydrocarbon: polycyclic aromatic hydrocarbons (4-rings: chrysene, fluoranthene, pyrene,...
36 KB (3,474 words) - 08:35, 3 June 2024
the term polycyclic includes polycyclic aromatic compounds, including polycyclic aromatic hydrocarbons, as well as heterocyclic aromatic compounds with...
3 KB (226 words) - 00:02, 22 February 2024
Benzo(a)pyrene (category Polycyclic aromatic hydrocarbons)
Benzo[a]pyrene (BaP or B[a]P) is a polycyclic aromatic hydrocarbon and the result of incomplete combustion of organic matter at temperatures between 300 °C...
28 KB (2,662 words) - 20:15, 29 June 2024
Benz(a)anthracene (category Polycyclic aromatic hydrocarbons)
Benz[a]anthracene or benzo[a]anthracene is a polycyclic aromatic hydrocarbon with the chemical formula C18H12. It is produced during incomplete combustion...
4 KB (171 words) - 23:47, 29 December 2023
Meng, Aihong; Zhang, Yanguo; Williams, Paul T. (2014-10-16). "Polycyclic Aromatic Hydrocarbon Formation from the Pyrolysis/Gasification of Lignin at Different...
80 KB (8,335 words) - 02:03, 7 July 2024
that occurs in people who have been occupationally exposed to polycyclic aromatic hydrocarbons.: 728 Freedberg, et al. (2003). Fitzpatrick's Dermatology...
1 KB (54 words) - 04:04, 29 April 2024
analogs (benzimidazole, for example). Polycyclic aromatic hydrocarbons are molecules containing two or more simple aromatic rings fused together by sharing...
22 KB (2,764 words) - 21:10, 20 June 2024
a polycyclic aromatic hydrocarbon, the resonance structure most important to characterize its properties is that with the largest number of aromatic π-sextets...
9 KB (1,566 words) - 20:17, 12 May 2024
Many studies have been conducted using polycyclic aromatic hydrocarbons (PAH), which are low molecular hydrocarbons found in some creosote-based preservatives...
95 KB (10,396 words) - 14:11, 18 May 2024
PAH world hypothesis (category Polycyclic aromatic hydrocarbons)
hypothesis is a speculative hypothesis that proposes that polycyclic aromatic hydrocarbons (PAHs), known to be abundant in the universe, including in...
16 KB (1,664 words) - 06:48, 5 November 2023
Acenaphthylene (category Polycyclic aromatic hydrocarbons)
Acenaphthylene, a polycyclic aromatic hydrocarbon is an ortho- and peri-fused tricyclic hydrocarbon. The molecule resembles naphthalene with positions...
6 KB (365 words) - 20:41, 25 February 2024
Pyrene (category Polycyclic aromatic hydrocarbons)
Pyrene is a polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene rings, resulting in a flat aromatic system. The chemical formula is...
13 KB (1,114 words) - 13:19, 1 May 2024
Perylene (category Polycyclic aromatic hydrocarbons)
Perylene or perilene is a polycyclic aromatic hydrocarbon with the chemical formula C20H12, occurring as a brown solid. It or its derivatives may be carcinogenic...
5 KB (418 words) - 23:43, 6 December 2021
natural prevalence in nature. Strain P16 of P. stutzeri is a polycyclic aromatic hydrocarbon (PAH) degrading bacterium that was isolated from creosote-contaminated...
36 KB (4,087 words) - 23:54, 2 January 2024
Chrysene (category Polycyclic aromatic hydrocarbons)
Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C 18H 12 that consists of four fused benzene rings. It is a natural constituent...
5 KB (373 words) - 23:47, 16 April 2023
chemical pathways from simple organic compounds to complex polycyclic aromatic hydrocarbon (PAH) chemicals. Such chemical pathways may help explain the...
173 KB (16,550 words) - 08:13, 19 June 2024
fragments of graphene bonded to hydrogen atoms around their edges (polycyclic aromatic hydrocarbons, PAHs), emit numerous spectral lines in the mid-infrared, at...
60 KB (7,340 words) - 22:44, 14 June 2024
Polychlorinated Biphenyl (PCBs), Trichloroethylene (TCE), Polycyclic Aromatic Hydrocarbon (PAHs). Two notable poems in English lament the cutting down...
30 KB (3,288 words) - 07:35, 12 April 2024
rearrangements of aromatic hydrocarbons has since been expanded to isomerizations and automerizations of benzene and polycyclic aromatic hydrocarbons. The first...
16 KB (1,690 words) - 10:56, 28 May 2022
Benzo(ghi)perylene (category Polycyclic aromatic hydrocarbons)
Benzo[ghi]perylene is a polycyclic aromatic hydrocarbon with the chemical formula C22H12. Benzo[ghi]perylene occurs naturally in crude oil and coal tar...
3 KB (126 words) - 03:21, 22 January 2024