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Micron-sized and submicron-sized aerosol deposition in a new ex vivo preclinical model

Overview of attention for article published in Respiratory Research, July 2016
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Title
Micron-sized and submicron-sized aerosol deposition in a new ex vivo preclinical model
Published in
Respiratory Research, July 2016
DOI 10.1186/s12931-016-0395-7
Pubmed ID
Authors

Sophie Perinel, Lara Leclerc, Nathalie Prévôt, Agathe Deville, Michèle Cottier, Marc Durand, Jean-Michel Vergnon, Jérémie Pourchez

Abstract

The knowledge of where particles deposit in the respiratory tract is crucial for understanding the health effects associated with inhaled drug particles. An ex vivo study was conducted to assess regional deposition patterns (thoracic vs. extrathoracic) of radioactive polydisperse aerosols with different size ranges [0.15 μm-0.5 μm], [0.25 μm-1 μm] and [1 μm-9 μm]. SPECT/CT analyses were performed complementary in order to assess more precisely the regional deposition of aerosols within the pulmonary tract. Experiments were set using an original respiratory tract model composed of a human plastinated head connected to an ex vivo porcine pulmonary tract. The model was ventilated by passive expansion, simulating pleural depressions. Aerosol was administered during nasal breathing. Planar scintigraphies allowed to calculate the deposited aerosol fractions for particles in the three size ranges from sub-micron to micron The deposited fractions obtained, for thoracic vs. extra-thoracic regions respectively, were 89 ± 4 % vs. 11 ± 4 % for [0.15 μm-0.5 μm], 78 ± 5 % vs. 22 ± 5 % for [0.25 μm-1 μm] and 35 ± 11 % vs.65 ± 11 % for [1 μm-9 μm]. Results obtained with this new ex vivo respiratory tract model are in good agreement with the in vivo data obtained in studies with baboons and humans.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 18%
Student > Ph. D. Student 5 18%
Student > Bachelor 2 7%
Professor 2 7%
Researcher 2 7%
Other 3 11%
Unknown 9 32%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 6 21%
Engineering 2 7%
Environmental Science 2 7%
Agricultural and Biological Sciences 2 7%
Medicine and Dentistry 2 7%
Other 5 18%
Unknown 9 32%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 07 July 2016.
All research outputs
#17,285,668
of 25,374,647 outputs
Outputs from Respiratory Research
#2,216
of 3,062 outputs
Outputs of similar age
#241,121
of 371,013 outputs
Outputs of similar age from Respiratory Research
#36
of 41 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,062 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.9. This one is in the 18th percentile – i.e., 18% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 371,013 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 41 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.