Linked Life Data

7274177

Source:http://linkedlifedata.com/resource/pubmed/id/7274177

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
1981-11-18
pubmed:abstractText
Human chest clearance of Teflon particles with an aerodynamic diameter of 4.7 micrometers tagged with 198Au or 111In was studied with two apparatuses and two gamma-ray spectrometers for the external detection of the activity deposited in the respiratory tract. Approximately the same chest retention function was measured with two gamma-ray spectrometers when the subjects inhaled equal aerosols under equal breathing conditions. The long-term clearance rate following the short-term elimination of particles from ciliated airways was slower for Teflon particles (mean half-time 105 days for 111In-labeled particles and 128 days for 198Au-labeled particles) than for iron oxide particles of the same size (mean half-time about 60 days). It is suggested that insoluble particles of this size studied are cleared with a half-time of about 120 days within the first 2 weeks after completion of mucociliary clearance. Regional deposition did not differ between the iron oxide and Teflon particles.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0190-2148
pubmed:author
pubmed:issnType
Print
pubmed:volume
2
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
131-9
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1981
pubmed:articleTitle
Intercomparison of regional deposition of aerosol particles in the human respiratory tract and their long-term elimination.
pubmed:publicationType
Journal Article, Comparative Study