We examined the relationship between mucus rheology, depth of mucus layer, and clearance by simulated cough. A model trachea constructed of rigid plexiglass was lined with mucus simulants--borate-crosslinked locust bean gum gels. Their viscoelastic properties were determined by magnetic rheometry
The transport of mucus gel simulant (MGS) in a constricted simulated cough machine, using blood plasma as a serous layer simulant (SLS), was investigated. MGS was prepared from locust bean gum solutions crosslinked with varying amounts of added borate to produce gels of varying spinnability
BACKGROUND
Viscoelastic properties of simulated mucus, angle of tracheal inclination (theta), and high-frequency airflow oscillations on median displacement of simulated mucus during simulated cough were investigated in this study.
METHODS
Mucus simulants with viscoelastic properties similar to
BACKGROUND
Performance of Flutter® (Axcan Scandipharm Inc, Birmingham, AL), Acapella® (Smiths Medicals Inc, Rockland, MA) and Quake® (Thayer Medical, Tucson, AZ) were compared at similar frequencies and amplitudes of oscillations at nine angles of the device in clearing simulated mucus inside a
The relationships between mucus rheology, depth of mucus layer and clearance by simulated cough were examined in a study employing a model plexiglass trachea lined with gels formed from locust bean gum crosslinked with sodium tetraborate. The viscoelastic properties of the mucus simulants were
We examined the relationship between mucus rheology, depth of mucus layer, and clearance by simulated cough. A model trachea was constructed of rigid Plexiglas of rectangular cross section (1 X 2 X 35 cm). The bottom of the trachea was lined with mucus simulants, gels prepared from locust bean gum
Interaction of mucus simulant with airflow in a rectangular channel is investigated experimentally. Two different viscoelastic gel mucus simulants are prepared by cross linking Borax with Locust Bean Gum (LBG) solution; liquid-like (LM) with lower storage modulus and semi-solid (SM). The rheological
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