• Thumbnail for Polycyclic aromatic hydrocarbon
    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
  • Thumbnail for Aromatic compound
    nitrogen Polycyclic aromatic hydrocarbons, also known as polynuclear aromatic compounds (PAHs) are aromatic hydrocarbons that consist of fused aromatic rings...
    21 KB (2,098 words) - 10:35, 24 July 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
  • Thumbnail for Air pollution
    particles are linked to cardiopulmonary disease. Polycyclic Aromatic Hydrocarbons (PAHs): a group of aromatic compounds formed from the incomplete combustion...
    232 KB (23,477 words) - 22:11, 28 August 2024
  • Thumbnail for Naphthalene
    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 (3,384 words) - 10:35, 12 August 2024
  • Thumbnail for Hydrocarbon
    Cassini–Huygens space probe. Hydrocarbons are also abundant in nebulae forming polycyclic aromatic hydrocarbon compounds. Burning hydrocarbons as fuel, which produces...
    24 KB (2,586 words) - 20:12, 5 September 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
  • Thumbnail for Aryl hydrocarbon receptor
    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
  • Thumbnail for Sealcoat
    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
  • Thumbnail for Anthracene
    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
  • Thumbnail for Benz(a)anthracene
    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
  • 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
  • Thumbnail for Aromaticity
    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
  • Thumbnail for Benzo(a)pyrene
    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
  • Thumbnail for PAH world hypothesis
    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
  • Thumbnail for Pyrolysis
    Meng, Aihong; Zhang, Yanguo; Williams, Paul T. (2014-10-16). "Polycyclic Aromatic Hydrocarbon Formation from the Pyrolysis/Gasification of Lignin at Different...
    80 KB (8,382 words) - 06:46, 19 August 2024
  • Thumbnail for Creosote
    Many studies have been conducted using polycyclic aromatic hydrocarbons (PAH), which are low molecular hydrocarbons found in some creosote-based preservatives...
    95 KB (10,395 words) - 20:07, 8 August 2024
  • Thumbnail for Hydrocarbon keratosis
    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) - 03:08, 13 August 2024
  • Thumbnail for Polycyclic compound
    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
  • Thumbnail for Acenaphthylene
    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
  • Thumbnail for Perylene
    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 (422 words) - 06:49, 29 August 2024
  • Thumbnail for Pseudomonas stutzeri
    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
  • Thumbnail for Pyrene
    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
  • Thumbnail for Methylcholanthrene
    Methylcholanthrene (category Polycyclic aromatic hydrocarbons)
    Methylcholanthrene is a highly carcinogenic polycyclic aromatic hydrocarbon produced by burning organic compounds at very high temperatures[clarification...
    16 KB (1,911 words) - 21:55, 27 November 2023
  • Thumbnail for Chumash traditional medicine
    of poisonous datura plant, and the consumption of dangerous polycyclic aromatic hydrocarbons. The climate of the Chumash territory supported a variety of...
    25 KB (2,599 words) - 18:42, 24 May 2023
  • Thumbnail for Phenanthrene
    Phenanthrene (category Polycyclic aromatic hydrocarbons)
    Phenanthrene is a polycyclic aromatic hydrocarbon (PAH) with formula C14H10, consisting of three fused benzene rings. It is a colorless, crystal-like...
    8 KB (624 words) - 17:03, 5 August 2024
  • Thumbnail for Fluorene
    Fluorene (category Polycyclic aromatic hydrocarbons)
    solvents. Although sometimes classified as a polycyclic aromatic hydrocarbon, the five-membered ring has no aromatic properties.[citation needed] Fluorene is...
    9 KB (781 words) - 14:32, 17 July 2024
  • variety of gaseous and particulate chemicals, including soot, polycyclic aromatic hydrocarbons, and other known carcinogens. Flocking is the technique of...
    15 KB (1,685 words) - 02:31, 14 April 2024
  • Thumbnail for Chrysene
    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