4 edition of A study of lung surfactant (BLES) and dipalmitoyl phosphatidylcholine (DPPC) films using axisymmetric drop shape analysis (ADSA) found in the catalog.
A study of lung surfactant (BLES) and dipalmitoyl phosphatidylcholine (DPPC) films using axisymmetric drop shape analysis (ADSA)
Thesis (M.Sc.) -- University of Toronto, 1999.
|Series||Canadian theses = -- Thèses canadiennes|
|The Physical Object|
|Pagination||2 microfiches : negative. --|
Oct 29, · Surfactant dysfunction is a lung disorder that causes breathing problems. This condition results from abnormalities in the composition or function of surfactant, a mixture of certain fats (called phospholipids) and proteins that lines the lung tissue and makes breathing easy. Lung surfactants are made from animal lung extract and contain phospholipids. Natural surfactant is produced by the alveolar cells in the lungs and line mainly the alveoli and small bronchioles, and prevents the alveoli from collapsing. Lung surfactant makes it easier for oxygen to penetrate the lung surface lining and move into the blood.
The present study is a microscopic interfacial characterization of a series of lung surfactant materials performed with the micropipette technique. The advantages of this technique include the measurement of equilibrium and dynamic surface tensions while acquiring structural and dynamic information at microscopic air–water interfaces in real time and upon esthetic-tokyo.com by: 6. 70 Lung Diseases: Surfactant Replacement Therapy The combination of early surfactant treatment and CP AP was assessed in many studies [7, 32, 53–55] and one study.
Apr 10, · Abstract. Exogenous pulmonary surfactant, widely used in neonatal care, is one of the best-studied treatments in neonatology, and its introduction in the s led to a significant improvement in neonatal outcomes in preterm infants, including a decrease in mortality. Apr 04, · Pulmonary surfactant is a surface active material composed of both lipids and proteins that is produced by alveolar type II pneumocytes. Abnormalities of surfactant in the immature lung or in the acutely inflamed mature lung are well described. However, in a variety of subacute diseases of the mature lung, abnormalities of lung surfactant may also be of importance. These diseases include Cited by:
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Pulmonary Surfactant. Fortunately, specialized cells within the lungs produce pulmonary surfactant, which decreases the surface tension by breaking the bond between water esthetic-tokyo.comore. Pulmonary surfactant is a surface-active lipoprotein complex (phospholipoprotein) formed by type II alveolar esthetic-tokyo.com proteins and lipids that make up the surfactant have both hydrophilic and hydrophobic regions.
By adsorbing to the air-water interface of alveoli, with hydrophilic head groups in the water and the hydrophobic tails facing towards the air, the main lipid component of surfactant. Research: Biophysical Study of Lung Surfactant Lung/pulmonary surfactant is a phospholipid-protein complex that lines a thin film at the air-water interface of the lung.
The surfactant film of the lung plays a dual role of surface tension reduction and host defense against inhaled pathogens and particles. Jul 18, · Integrating basic and clinical research on the biophysical and physiological functions of pulmonary surfactants, this practical reference presents thorough, cutting-edge coverage on surfactant-related lung disease.
Manage neonatal respiratory distress syndrome (RDS), acute respiratory distress syndrome (ARDS), and acute lung injury more effectively!5/5(1). In this pilot study, we did not assess the later effects of late treatment with surfactant on pulmonary morbidity, an important finding of the impact of iNO in the nitric oxide for the prevention of chronic lung disease study, even in the subsets of infants who showed Cited by: Jan 02, · CUROSURF (poractant alfa) is a sterile, non-pyrogenic pulmonary surfactant intended for intratracheal use only.
A study of lung surfactant book is an extract of natural porcine lung surfactant consisting of 99% polar lipids (mainly phospholipids) and 1% hydrophobic low molecular weight proteins (surfactant associated proteins SP-B and SP-C).
Start studying RS: Pulmonary Surfactant. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Aug 23, · New Studies Of A Liquid Of Life -- Lung Surfactant Date: "These concerns have led to the study of synthetic lung surfactantformulations for which composition can be better defined," said.
One paper proposes a design and organization of a multicenter clinical trial that will study the effects of corticosteroid in the development of the human lung. This book can prove useful for pediatricians, specialists in respiratory diseases, and researchers whose work.
Dec 01, · Summary Pulmonary surfactant is a complex mixture of specific lipids, proteins and carbohydrates, which is produced in the lungs by type II alveolar epithelial cells. The mixture is surface active and acts to decrease surface tension at the air–liquid interface of the alveoli. The presence of such molecules with surface activity had been suspected since the early s and was finally Cited by: 4.
Currently, surfactant is not only used in treatment of RDS in the neonatal period, but it is also used with success in many clinical conditions including lung hemorrhage, meconium aspiration syndrome, neonatal pneumonia, genetic surfactant deficiency and acute lung damage.
Surfactant which is required for normal lung function provides gas Author: Nilgün Kültürsay, Özgün Uygur, Mehmet Yalaz. Lung Surfactants: Basic Science and Clinical Applications - CRC Press Book Integrating basic and clinical research on the biophysical and physiological functions of pulmonary surfactants, this practical reference presents thorough, cutting-edge coverage on surfactant-related lung disease.
Nov 28, · Surfactant Science: Principles and Practice A free eBook linked to the apps in Practical Surfactants And, by popular request, for those who prefer to sit down and read a real hardback book, you can purchase a copy from DEStech Publications.
Everything I've learned whilst developing Practical Surfactants and formulating in the real world is brought together in my book Surfactant Science. Start studying Surfactant. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Search. Create. Log in Sign up. Log in Sign up. 28 terms. tthoms1. Surfactant. STUDY. PLAY. Composition. % phospholipids (phosphatidylcholine & phosphatidylglycerol) Main components of surfactant in mature lung. Jun 12, · Surfactant 1. Surfactant Dr Varsha Atul Shah 2. Introduction The lungs of preterm infants lack adequate pulmonary surfactant, a constituent of the air- liquid interface, that normally lines the alveolar surfaces and terminal airways.
RDS is due to surfactant deficiency, which increases the surface tension at the air-liquid interface of the terminal respiratory units. The book is organized into four parts. Part I offers a brief historical perspective by reviewing the chronology of clinical and basic advances.
Part II then establishes a frame of scientific reference by reviewing the morphology and cytology of lung development and the physiology of pulmonary surfactant. Nov 11, · Therefore as surface tension force increases alveoli area decreases.
Surfactant plays a large part into preventing lung collapse because it lowers surface tension allowing for the alveoli area to increase. If surfactant didn’t regulate the surface tension.
The Lung Surfactant Proteins have proved to be more difficult to study as purifying them from the lungs is a long process.
Scientists have conducted experiments on the proteins to try to understand their size and shape at an air water surface and how this is affected by phospholipids. This is a difficult system to study.
The word surfactant is a blend of surface-active agent. The United States National Library of Medicine's Medical Subject Headings (MeSH) vocabulary reserves surfactant for the meaning "pulmonary surfactant".For the more general meaning, surface active agent/s is the heading.
In book: Neonatology (pp) study of nebulized surfactant therapy for neonatal Significant differences in clinical outcome were noted in the comparison trials of modified minced.
"A study of lung sudhant (BLES) and Dipalmitoyl phosphatidylcholuie (DPPC) films using Axisymmetric Drop Shape Analysis (ADSA)", by Jun Lu, Deparanent of Mechanical and Industriai Engineeing, University of Toronto, for the degree of Master of Applied Science, ABSTRACT Lung surfâcmt plays an important role in the mechanism of esthetic-tokyo.com: Jun Lu.May 01, · One study demonstrated that surfactant protein levels can be used as an indicator of lung injury and poor outcomes in H1N1 viral infections, and another showed that SP-A and SP-D levels are elevated in those with pulmonary fibrosis compared with healthy esthetic-tokyo.com by: NIH Center for Scientific Review (CSR) The Lung Injury, Repair, and Remodeling (LIRR) Study Section reviews applications that focus on lung development and the response of non-vascular pulmonary tissue or cells to injury, repair, fibrosis, and barrier function.