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Seven nose breathing and seven mouth breathing volunteers were exposed to atmospheres enriched with unattached radon progeny (218Po, 214Pb and 214Bi). The activity of these radionuclides deposited in the respiratory tract was measured in vivo after the exposures. The results of these measurements are in agreement with predictions calculated with the ICRP Publication 66 Human Respiratory Tract Model. Temporal analysis of the activity deposited in the heads of the volunteers leads to the conclusion that a significant amount of the deposited activity associated with particle diameters of about 1 nm is not subject to a fast transport to the gastrointestinal tract as generally reported for larger aerosol particles.
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
September 2020,
Journal of radiological protection : official journal of the Society for Radiological Protection,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
January 2021,
Health physics,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
December 1998,
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
January 2003,
Radiation protection dosimetry,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
December 2021,
Radiation protection dosimetry,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
June 2016,
Journal of radiological protection : official journal of the Society for Radiological Protection,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
May 1999,
Health physics,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
January 2005,
Radiation protection dosimetry,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
July 1998,
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine,
G Butterweck, and
G Vezzù, and
C Schuler, and
R Müller, and
J W Marsh, and
S Thrift, and
A Birchall
August 2009,
Health physics,
