Yosef Zenebe, Baye Akele, Mulugeta W/Selassie, Mogesie Necho
Neurocognitive Impairment and Associated Factors Among People Living with HIV: A Systematic Review and Meta-Analysis of African Studies
Neuropsychiatric disease and treatment
polycyclic aromatic hydrocarbons pahs formed organic matters incompletely combust get distributed air form vapor particular phase absorption condensation surface respirable particles certain pahs considered carcinogenic mutagenic primarily associated particulate phase therefore characterization exposure particlebound pahs ppahs critical assessing health risks daily life panel study conducted years 2004 2005 assess microenvironmental exposures ppahs elementary school children living taipei metropolitan area study integrated filter samples collected dust monitor model 1108 grimm 17 ppah species analysis using gas chromatography mass spectrometry gcms sampling durations five days overall 52 samples childrens microenvironmental exposures included data analysis results showed geometric mean gm levels geometric standard deviation ppah exposures 4443 3395 ngm3 children top three highest proportions ppah components indeno123cdpyrene ind 217 benzoghiperylene bghip 185 dibenzahanthracene dba 91 5 6ring ppahs addition results diagnostic ratios principal component analysis pca found traffic pollution incense burning cooking emission major ppah exposure sources children total benzoapyrene equivalent bapeq concentration 107 080 ngm3 mean standard deviation gm 084 ngm3 gm value inhalation carcinogenic risk 731 105 range 223 105 311 104 higher us environmental protection administration guideline limit 106 dba accounted 451 excess cancer risk followed benzoapyrene bap 335 ind 107 conclusion current study demonstrated inhalational cancer risk due ppah exposures children negligible efficient technical management policies adopted reduce pah pollutant sources