Search Results - "Xi, Jinxiang"

Correlating exhaled aerosol images to small airway obstructive diseases: A study with dynamic mode decomposition and machine learning by Xi, Jinxiang, Zhao, Weizhong

“…Exhaled aerosols from lungs have unique patterns, and their variation can be correlated to the underlying lung structure and associated abnormities. However,…”
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Computational analysis of a flapping uvula on aerodynamics and pharyngeal wall collapsibility in sleep apnea by Wang, Junshi, Xi, Jinxiang, Han, Pan, Wongwiset, Niphattha, Pontius, John, Dong, Haibo

“…Studying the airflows and the resultant aerodynamic pressure/force in the pharyngeal airway is critical for understanding the pathophysiology of snoring and…”
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Radiation Dosimetry of Inhaled Radioactive Aerosols: CFPD and MCNP Transport Simulations of Radionuclides in the Lung by Talaat, Khaled, Xi, Jinxiang, Baldez, Phoenix, Hecht, Adam

“…Despite extensive efforts in studying radioactive aerosols, including the transmission of radionuclides in different chemical matrices throughout the body, the…”
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Oropharyngeal swallowing hydrodynamics of thin and mildly thick liquids in an anatomically accurate throat-epiglottis model by Seifelnasr, Amr, Ding, Peng, Si, Xiuhua, Biondi, Andres, Xi, Jinxiang

“…Understanding the mechanisms underlying dysphagia is crucial in devising effective, etiology-centered interventions. However, current clinical assessment and…”
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Effect of MDI Actuation Timing on Inhalation Dosimetry in a Human Respiratory Tract Model by Talaat, Mohamed, Si, Xiuhua, Xi, Jinxiang

“…Accurate knowledge of the delivery of locally acting drug products, such as metered-dose inhaler (MDI) formulations, to large and small airways is essential to…”
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Numerical predictions of submicrometer aerosol deposition in the nasal cavity using a novel drift flux approach by Xi, Jinxiang, Longest, P. Worth

“…Evaluating the health effects of inhaled submicrometer aerosols, such as combustion particulate matter and bioaerosols, requires a thorough understanding of…”
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Visualization and Estimation of Nasal Spray Delivery to Olfactory Mucosa in an Image-Based Transparent Nasal Model by Seifelnasr, Amr, Si, Xiuhua April, Xi, Jinxiang

“…Nose-to-brain (N2B) drug delivery offers unique advantages over intravenous methods; however, the delivery efficiency to the olfactory region using…”
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Assessing Nasal Epithelial Dynamics: Impact of the Natural Nasal Cycle on Intranasal Spray Deposition by Seifelnasr, Amr, Si, Xiuhua, Xi, Jinxiang

“…This study investigated the intricate dynamics of intranasal spray deposition within nasal models, considering variations in head orientation and stages of the…”
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Transport and deposition of micro-aerosols in realistic and simplified models of the oral airway by Xi, Jinxiang, Longest, P Worth

“…A number of in vivo, in vitro and numerical studies have considered flow field characteristics and micro-particle deposition in the oral airway extending from…”
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Effects of Nozzle Retraction Elimination on Spray Distribution in Middle-Posterior Turbinate Regions: A Comparative Study by Seifelnasr, Amr, Si, Xiuhua, Xi, Jinxiang

“…The standard multi-dose nasal spray pump features an integrated actuator and nozzle, which inevitably causes a retraction of the nozzle tip during application…”
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A next‐generation vaccine for broader and long‐lasting COVID‐19 protection by Xi, Jinxiang, Si, Xiuhua April

“…[...]including the N and RdRp antigens besides S1 was expected to elicit a broader and long-lasting immunity. [...]how well can it improve clinical outcomes…”
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Liquid Film Translocation Significantly Enhances Nasal Spray Delivery to Olfactory Region: A Numerical Simulation Study by Si, Xiuhua April, Sami, Muhammad, Xi, Jinxiang

“…Previous in vivo and ex vivo studies have tested nasal sprays with varying head positions to enhance the olfactory delivery; however, such studies often…”
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Delivery of Agarose-aided Sprays to the Posterior Nose for Mucosa Immunization and Short-term Protection against Infectious Respiratory Diseases by Seifelnasr, Amr, Talaat, Mohamed, Si, Xiuhua April, Xi, Jinxiang

“…The study aimed to deliver sprays to the posterior nose for mucosa immunization or short-term protection. Respiratory infectious diseases often enter the human…”
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Sensitivity Analysis and Uncertainty Quantification of Nanoparticle Deposition from Tongue Morphological Variations by Yang, Tiancheng, Si, Xiuhua, Xi, Jinxiang

“…The human tongue has highly variable morphology. Its role in regulating respiratory flows and deposition of inhaled aerosols remains unclear. The objective of…”
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Numerical study of dynamic glottis and tidal breathing on respiratory sounds in a human upper airway model by Xi, Jinxiang, Wang, Zhaoxuan, Talaat, Khaled, Glide-Hurst, Carri, Dong, Haibo

“…Background Human snores are caused by vibrating anatomical structures in the upper airway. The glottis is a highly variable structure and a critical organ…”
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Pulmonary Oxygen Exchange in a Rhythmically Expanding–Contracting Alveolus–Capillary Model by Si, Xiuhua April, Xi, Jinxiang

“…Pulmonary gas exchanges are vital to human health, and disruptions to this process have been associated with many respiratory diseases. Previous gas exchange…”
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Lower Inspiratory Breathing Depth Enhances Pulmonary Delivery Efficiency of ProAir Sprays by Talaat, Mohamed, Si, Xiuhua April, Xi, Jinxiang

“…Effective pulmonary drug delivery using a metered-dose inhaler (MDI) requires a match between the MDI sprays, the patient’s breathing, and respiratory…”
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Multi-Level Training and Testing of CNN Models in Diagnosing Multi-Center COVID-19 and Pneumonia X-ray Images by Talaat, Mohamed, Si, Xiuhua, Xi, Jinxiang

“…This study aimed to address three questions in AI-assisted COVID-19 diagnostic systems: (1) How does a CNN model trained on one dataset perform on test…”
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Nanoparticle Deposition in Rhythmically Moving Acinar Models with Interalveolar Septal Apertures by Xi, Jinxiang, Talaat, Mohamed

“…Pulmonary delivery of nanomedicines has been extensively studied in recent years because of their enhanced biocompatibility, sustained-release properties, and…”
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Data-Driven Discovery of Anomaly-Sensitive Parameters from Uvula Wake Flows Using Wavelet Analyses and Poincaré Maps by Si, Xiuhua, Wang, Junshi, Dong, Haibo, Xi, Jinxiang

“…This study presents a data-driven approach to identifying anomaly-sensitive parameters through a multiscale, multifaceted analysis of simulated respiratory…”
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