منابع مشابه
Measured breath.
Background: Pathogenic yersiniae (Y. pestis, Y. pseudotuberculosis, Y. enterocolitica) share a virulence plasmid encoding a type three secretion system (T3SS). This T3SS comprises more than 40 constituents. Among these are the transport substrates called Yops (Yersinia outer proteins), the specific Yop chaperones (Sycs), and the Ysc (Yop secretion) proteins which form the transport machinery. T...
متن کاملA test of the practical value of estimating breath sound intensity. Breath sounds related to measured ventilatory function.
Each of four examiners performed standardized physical examinations on a group of patients who had just undergone tests of ventilatory function. The intensity of breath sounds heard with deep inspiration was graded on a rating scale of 0 to 4; the grades in six areas of the chest were added to give a total score, with possible values ranging from 0 to 24. Correlation of breath-sound scores with...
متن کاملDeconvolving an estimate of breath measured blood alcohol concentration from biosensor collected transdermal ethanol data
Biosensor measurement of transdermal alcohol oncentration in perspiration exhibits significant variance from subject to subject and device to device. Short duration data collected in a controlled clinical setting is used to calibrate a forward model for ethanol transport from the blood to the sensor. The calibrated model is then used to invert transdermal signals collected in the field (short o...
متن کاملSingle breath transfer factor measured concurrently by two methods in asthmatic and normal subjects.
Haydu, S. P. (1974). Thorax, 29,232-236. Single breath transfer factor measured concurrently by two methods in asthmatic and normal subjects. There have been conflicting reports that the single breath transfer factor for carbon monoxide in asthma may be normal, high or low. To resolve this point the single breath transfer factor was measured in comparable groups of asthmatic and normal subjects...
متن کاملThe respiratory dead space measured by single breath analysis of oxygen, carbon dioxide, nitrogen or helium.
Fowler ( 1 ) estimated the respiratory dead space in man by recording simultaneously and continuously the nitrogen concentration and the volume flow at the mouth during a single expiration, following a breath of oxygen. Such an expiration may be divided into three phases. In the first part of expiration there is virtually no nitrogen. This is followed by an S-shaped rise in nitrogen concentrati...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1996
ISSN: 0091-6765,1552-9924
DOI: 10.1289/ehp.961041292