Results 111 to 120 of about 205,885 (332)

Complementary multi‐omics profiling of chronic thromboembolic pulmonary hypertension reveals immune cell alterations, epigenetic changes, and genetically supported candidate genes

open access: yesAnimal Models and Experimental Medicine, EarlyView.
This study presents an integrative multi‐omics framework to uncover the molecular mechanisms and potential biomarkers of chronic thromboembolic pulmonary hypertension (CTEPH). Anthropometric and biochemical data were correlated using canonical correlation analysis, revealing key cardiometabolic associations. Single‐cell RNA sequencing identified immune
Xiaopeng Liu   +4 more
wiley   +1 more source

The electronic spectra of protonated PANH molecules

open access: yes, 2015
Aims. This study was designed to examine the viability of protonated nitrogen-substituted polycyclic aromatic hydrocarbons (H+PANHs) as candidates for the carriers of the diffuse interstellar bands (DIBs). Methods.
Dedonder, C., Jouvet, C., Noble, J. A.
core   +1 more source

Portopulmonary hypertension practice patterns after liver transplantation

open access: yesLiver Transplantation, EarlyView., 2022
Abstract Portopulmonary hypertension (POPH) is a type of pulmonary arterial hypertension occurring exclusively in those with portal hypertensive liver disease. Liver transplantation (LT) can significantly improve outcomes. Current guidelines counsel against immediate adjustments to targeted therapy after LT and suggest routine echocardiography as ...
Arun Jose   +3 more
wiley   +1 more source

Occurrence and ecological risk of PAHs in urban road runoff in Beijing

open access: yesWater Science and Technology
The occurrence and ecological risks of 16 polycyclic aromatic hydrocarbons (PAHs) in different types of urban road runoff in Beijing during two typical rainfall events were studied.
Xiaoran Zhang   +8 more
doaj   +1 more source

Lack of PAH emission toward low-mass embedded young stellar objects [PDF]

open access: yes, 2008
PAHs have been detected toward molecular clouds and some young stars with disks, but have not yet been associated with embedded young stars. We present a sensitive mid-IR spectroscopic survey of PAH features toward a sample of low-mass embedded YSOs. The
A. Crapsi   +53 more
core   +2 more sources

A Comparison of Particulate-Bound Polycyclic Aromatic Hydrocarbons Long-Range Transported from the Asian Continent to the Noto Peninsula and Fukue Island, Japan

open access: yesAsian Journal of Atmospheric Environment, 2018
This is the first comparative study to examine two different background monitoring sites in Japan to compare differences in the concentration and composition of long-range-transported polycyclic aromatic hydrocarbons (PAHs) from the Asian continent. This
Lu Yang   +9 more
doaj   +1 more source

Polycyclic aromatic hydrocarbon processing in interstellar shocks

open access: yes, 2010
Context: PAHs appear to be an ubiquitous interstellar dust component but the effects of shocks waves upon them have never been fully investigated. Aims: To study the effects of energetic (~0.01-1 keV) ion (H, He and C) and electron collisions on PAHs in ...
A. G. G. M. Tielens   +48 more
core   +1 more source

Time-dependent density functional study of the electronic spectra of oligoacenes in the charge states -1, 0, +1, and +2

open access: yes, 2007
We present a systematic theoretical study of the five smallest oligoacenes (naphthalene, anthracene, tetracene, pentacene, and hexacene) in their anionic,neutral, cationic, and dicationic charge states.
Andrews   +187 more
core   +1 more source

Evaluating the Relationship Between Occupational Exposure to Polycyclic Aromatic Hydrocarbons (PAHs) and Urinary Metabolite Levels in Built-Up Roofing Asphalt Workers in Ilam City [PDF]

open access: yesبهداشت و ایمنی کار
Introduction: Exposure to various chemicals can occur in the workplace. Polycyclic aromatic hydrocarbons (PAHs) are among these compounds. The aim of this study was to investigate the relationship between exposure to PAHs and urinary metabolites among ...
Hossein Ali Rangkooy   +3 more
doaj  

Removal of PAHs from n-Paraffin by Modified Clinoptilolite [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2007
The ability of natural clinoptilolite and its modified forms were studied for removal of PAHs from n-paraffin. Surfactant modified zeolite (SMZ) was obtained by modifying clinoptilolite with hexadecyltrimethylammonium ion. Homoionic forms of zeolite were
Hossein Faghihian   +1 more
doaj  

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