نتایج جستجو برای: pressure effect

تعداد نتایج: 1978429  

2010
Ronak Gandhi

INTRODUCTION: Although bone is known to respond to various forms of mechanical loading including substrate strain, fluid shear, and interstitial fluid pressure, the latter receives relatively little attention. . Macroscopically, venous stasis or applied pressurization by external loading was associated with increased bone formation.. At the cellular level, osteoblasts have been shown to respond...

2005
THOMAS W. SMITH

Controversy persists regarding the role of tubular reabsorption and secretion in the renal handling of digoxin. To determine the effect of reduction in renal perfusion pressure and blood flow on digoxin clearance during acute and chronic digoxin administration, renal clearances of digoxin and inulin were measured in pentobarbital-anesthetized dogs before and after repeated unilateral renal arte...

2005
GRAHAM A. H. MILLER H. J. C. SWAN

I NCREASE in chamber volume (and therefore increase in wall surface area) is an appropriate adaptation to an increased volume load.' Conversely, a small thick-walled chamber is better suited to deal with a pressure load.2-4 That the human heart so adapts itself to chronic volume and chronic pressure loads is evident from clinical experience and postmortem studies. However, actual measurements o...

2016
Yongjian Zhu Yacong Bo Xi Wang Wenjie Lu Xule Wang Zhanying Han Chunguang Qiu

The findings of clinical studies concerning the association between anthocyanins supplementation and blood pressure (BP) are inconsistent. In order to provide a more precise estimate of the overall effect of anthocyanins on systolic blood pressure (SBP) and diastolic blood pressure (DBP), we conducted a meta-analysis of clinical trials about anthocyanins supplementation and BP. PubMed, Web of S...

Journal: :Langmuir : the ACS journal of surfaces and colloids 2016
Vitaly B Svetovoy Ivan Dević Jacco H Snoeijer Detlef Lohse

In gas-oversaturated solutions, stable surface nanobubbles can exist thanks to a balance between the Laplace pressure and the gas overpressure, provided the contact line of the bubble is pinned. In this article, we analyze how the disjoining pressure originating from the van der Waals interactions of the liquid and the gas with the surface affects the properties of the surface nanobubbles. From...

2008
R. P. Chaudhury C. W. Chu

MnWO4 has attracted attention because of its ferroelectric property induced by frustrated helical spin order. Strong spin-lattice interaction is necessary to explain ferroelectricity associated with this type of magnetic order. We have conducted thermal expansion measurements along the a, b, c axes revealing the existence of strong anisotropic lattice anomalies at T1=7.8 K, the temperature of t...

Journal: :Canadian Anaesthetists' Society journal 1977
C E Famewo C O Odugbesan O O Osuntokun

Etomidate, a new short-acting non-barbiturate hypnotic, was administered to 40 patients between the ages of 12 years and 65 years. Intra-ocular pressure was measured before and after etomidate injection using a Schiotz tonometer. A significant reduction of intra-ocular pressure was found to follow etomidate injection in spite of the often associated myoclonic movements. The mechanism of reducti...

2011
Mark Kenneth Quinn Leichao Yang Konstantinos Kontis

There are numerous ways in which pressure-sensitive paint can be applied to a surface. The choice of substrate and application method can greatly affect the results obtained. The current study examines the different methods of applying pressure-sensitive paint to a surface. One polymer-based and two porous substrates (anodized aluminum and thin-layer chromatography plates) are investigated and ...

2012
Ahmet Satici Nevin Yilmaz Mustafa Guzey Adil Kilic

Objective This study evaluated the effects of sibutramine on intraocular pressure (IOP) and body-mass index (BMI). Methods Thirty obese females (body-mass index >30 kg/m2) treated with sibutramine (10 mg/day) plus diet restriction for 3 months were included in the study. IOP, BMI, and blood biochemical parameters were measured at the beginning and end of the treatment. Results were evaluated st...

2011
Gabriella Johansson

Aim: The purpose of this study was to evaluate whether there is an effect of cataract surgery with phacoemulsification on IOP after one week of surgery. To investigate whether there is a correlation between Axial length (AL), Anterior chamber depth ACD, K-readings with preoperative (preop) and postoperative (postop) IOP. Methods: The subjects for this study were extracted from the records at th...

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