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human airways

Study of Numerical Schemes for the CFD Simulation of Human Airways

Study of Numerical Schemes for the CFD Simulation of Human Airways

... the human respiratory ...sixth-generation human respiratory model and also to predict the effects of flow parameters; pressures and velocity on the sixth-generation human respiratory ...human ...

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Smoking-associated increase in mucins 1 and 4 in human airways

Smoking-associated increase in mucins 1 and 4 in human airways

... in human airways from age- and gender-matched healthy never-smokers (Never-smoker), current smokers with normal lung function (Smoker) and mild-moderate ...

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Effects of Arachidonic Acid, Monohydroxyeicosatetraenoic Acid and Prostaglandins on the Release of Mucous Glycoproteins from Human Airways In Vitro

Effects of Arachidonic Acid, Monohydroxyeicosatetraenoic Acid and Prostaglandins on the Release of Mucous Glycoproteins from Human Airways In Vitro

... These data taken together demonstrate that HETE are capable of increasing mucous release and that conditions which may influence HETE production alter mucous release. Thus, although not directly demonstrating HETE ...

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Influence of horse stable environment on human airways

Influence of horse stable environment on human airways

... affects human airways ...in human airways, are often exceeded ...controlled human studies on air- way symptoms and signs in stable personnel in relation to horse stable air ...

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Numerical Simulations of Inspiratory Airflow in   Healthy and Asthmatic Human Airways

Numerical Simulations of Inspiratory Airflow in Healthy and Asthmatic Human Airways

... narrows human airways with symptoms of shortness of breath, chest tightness, wheezing, and ...in human upper and lower tracheobronchial airways for rest breathing conditions were investigated ...

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Unsteady Flow Of A Dust Particles Through Human Airways: Effects Of Uniform Magnet

Unsteady Flow Of A Dust Particles Through Human Airways: Effects Of Uniform Magnet

... We assume the dust particles in the air and flow of clean air through the symmetric form of cylindrical tube of trachea. We denote the clean air and dusty air velocities (r,z,t), (r,z,t) respectively in the direction of ...

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Deposition of charged nano particles in the human  airways including effects from cartilaginous rings

Deposition of charged nano particles in the human airways including effects from cartilaginous rings

... the human lung. The upper airways are characterized by a certain wall structure called cartilaginous rings which modify the particle deposition when compared to an airway with a smooth ...

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Immunologic and Neuropharmacologic Stimulation of Mucous Glycoprotein Release from Human Airways In Vitro

Immunologic and Neuropharmacologic Stimulation of Mucous Glycoprotein Release from Human Airways In Vitro

... cultured airways. (a) Supernatant fluids from anaphylaxed peripheral human lung that contained 200-400 ng/ml histamine and 400-1,000 U/ml slow-reacting substance of anaphylaxis (SRS-A) increased release by ...

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Investigation of the Airflow inside Realistic and Semi-Realistic Replicas of Human Airways

Investigation of the Airflow inside Realistic and Semi-Realistic Replicas of Human Airways

... Despite the intelligible demands to produce the most realistic replicas of the airways, the motivation to simplify the geometry remains strong. The optical measuring methods suffer from optical distortions of the ...

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Mast cells in human airways: the culprit?

Mast cells in human airways: the culprit?

... enter the clinic were the mast cell-stabilisation chromones and antihistamines. Histamine exerts its effects via four receptors (H1 to H4). The strategy for intervention has been focused on the H1 receptor. To date more ...

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In vivo measurement of gas flow in human airways with hyperpolarized gas MRI and compressed sensing

In vivo measurement of gas flow in human airways with hyperpolarized gas MRI and compressed sensing

... This effect is investigated further using dynamic and 18 phase contrast flow MR imaging with inhaled 3He during slow inhalations flow rate ~ 100 mL s- 19 1 20 signal and gas inflow in th[r] ...

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Comparative study of the Computational Fluid 
		Dynamics and Fluid Structure 
		Interaction analysis in human airways flow

Comparative study of the Computational Fluid Dynamics and Fluid Structure Interaction analysis in human airways flow

... Former numerical studies mostly used idealized model of trachea such as Horsfield et al. [1] or Weibel [2] models otherwise simplified model [3]-[5]. However, these types of geometries will not include the consequence of ...

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Modulation of cholinergic neural bronchoconstriction by endogenous nitric oxide and vasoactive intestinal peptide in human airways in vitro

Modulation of cholinergic neural bronchoconstriction by endogenous nitric oxide and vasoactive intestinal peptide in human airways in vitro

... subsegmental bronchi. To elucidate the mechanism of this modulation we then studied the effects of endogenous NO on acetylcholine (ACh) release evoked by EFS from tracheal smooth muscle strips. We confirmed that release ...

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cAMP activated Ca2+ signaling is required for CFTR mediated serous cell fluid secretion in porcine and human airways

cAMP activated Ca2+ signaling is required for CFTR mediated serous cell fluid secretion in porcine and human airways

... and human serous cells secrete fluid in response to vasoactive intestinal polypeptide (VIP) and other agents that raise intracellular cAMP levels; here, we have demonstrated that this requires CFTR and a ...

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Expression and function of human hemokinin-1 in human and guinea pig airways

Expression and function of human hemokinin-1 in human and guinea pig airways

... in human tissues, parti- cularly in lung, and none of them has previously reported expression of hHK-1 ...In human, a wide expression of TAC4 has been reported with a strong expression in tissues such as ...

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Numerical Simulation of Transport and Deposition of Dust Particles in Human Tracheobronchial Airways

Numerical Simulation of Transport and Deposition of Dust Particles in Human Tracheobronchial Airways

... in human airways, they can cause a variety of respiratory disorders ...the human respiratory tract to treat the respiratory diseases caused by dust pollution from different sources and ...in ...

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Installation of mechanical ventilation in a horse stable: effects on air quality and human and equine airways

Installation of mechanical ventilation in a horse stable: effects on air quality and human and equine airways

... Similar to other farming environments, horse stable air also contains a plethora of inorganic and organic particles that are potential airway allergens and irritants. Specifi- cally, the organic portion that often ...

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Micro Particles Transport and Deposition in Realistic Geometry of Human Upper Airways

Micro Particles Transport and Deposition in Realistic Geometry of Human Upper Airways

... in human airways has attracted considerable attention due to the adverse health effects of air ...in human respiratory system helps the physicians to properly assess the needed dosage for their ...

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A Modeling of Biospray for the Upper Airways

A Modeling of Biospray for the Upper Airways

... In this section we present the discretization of the kinetic equation (1). Our longterm project is to describe and study the evolution of spray droplets in the respiratory human airways. The real geometries ...

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Human Resource Development in Tourism Industry in India: a Case Study of Jet Airways India Ltd.

Human Resource Development in Tourism Industry in India: a Case Study of Jet Airways India Ltd.

... Today, human resource planning is considered as the way management comes to solve the ill defined and tough-to-solve human resource problems faced by an ...

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