Fluid dynamics of gas exchange in high-frequency oscillatory ventilation: in vitro investigations in idealized and anatomically realistic airway bifurcation models.

abstract：:Atherosclerosis is an inflammatory disease of large and medium sized arteriole walls that is precipitated by elevated levels of low-density lipoprotein (LDL) cholesterol in the blood. However, the mechanisms that lead to the initiation of atherosclerosis are not fully understood. In this study, endothelial cells (ECs)...

journal_title：Annals of biomedical engineering

authors： Wei D,Chen Y,Tang C,Huang H,Liu L,Wang Z,Li R,Wang G

更新日期：2013-03-01 00:00:00

abstract：:Maintenance of movement accuracy relies on motor learning, by which prior errors guide future behavior. One aspect of this learning process involves the accurate generation of predictions of movement outcome. These predictions can, for example, drive anticipatory movements during a predictive-saccade task. Predictive ...

journal_title：Annals of biomedical engineering

authors： Wong AL,Shelhamer M

更新日期：2013-08-01 00:00:00

abstract：:The Veterans Health Administration determined that over 250,000 U.S. service members were diagnosed with a traumatic brain injury (TBI) between 2008 and 2018, of which a great proportion were due to blast exposure. Although the penetrating (secondary) and inertia-driven (tertiary) phases of blast-induced TBI (bTBI) ha...

journal_title：Annals of biomedical engineering

authors： Vogel EW 3rd,Panzer MB,Morales FN,Varghese N,Bass CR,Meaney DF,Morrison B 3rd

更新日期：2020-04-01 00:00:00

abstract：:To better understand oxygen utilization by the retina, a mathematical model of oxygen diffusion and consumption in the cat outer, avascular retina was developed by analyzing previously recorded profiles of oxygen tension (PO2) as a function of retinal depth. Simple diffusion modelling of the oxygen distribution throug...

journal_title：Annals of biomedical engineering

authors： Haugh LM,Linsenmeier RA,Goldstick TK

更新日期：1990-01-01 00:00:00

abstract：:High density particle image velocimetry, with spatial resolution of O(1 mm), was used to measure the effect of occluder rebound on the flow field near a Bjork-Shiley Monostrut tilting-disk mitral valve. The ability to measure two velocity components over an entire plane simultaneously provides a very different insight...

journal_title：Annals of biomedical engineering

authors： Kini V,Bachmann C,Fontaine A,Deutsch S,Tarbell JM

更新日期：2000-04-01 00:00:00

abstract：:Overexpressed receptors, characteristic of many cancers, have been targeted by various researchers to achieve a more specific treatment for cancer. A common approach is to use the natural ligand for the overexpressed receptor as a cancer-targeting agent which can deliver a chemically or genetically conjugated toxic mo...

journal_title：Annals of biomedical engineering

authors： Yoon DJ,Liu CT,Quinlan DS,Nafisi PM,Kamei DT

更新日期：2011-04-01 00:00:00

abstract：:A major tissue engineering challenge is the creation of multilaminate scaffolds with layer-specific mechanical properties representative of native tissues, such as heart valve leaflets, blood vessels, and cartilage. For this purpose, poly(ethylene glycol) diacrylate (PEGDA) hydrogels are attractive materials due to th...

journal_title：Annals of biomedical engineering

authors： Tseng H,Cuchiara ML,Durst CA,Cuchiara MP,Lin CJ,West JL,Grande-Allen KJ

更新日期：2013-02-01 00:00:00

abstract：:Intramuscular pressure (IMP), defined as skeletal muscle interstitial fluid pressure, reflects changes in individual muscle tension and may provide crucial insight into musculoskeletal biomechanics and pathologies. IMP may be measured using fiber-optic fluid pressure sensors, provided the sensor is adequately anchored...

journal_title：Annals of biomedical engineering

authors： Go SA,Jensen ER,O'Connor SM,Evertz LQ,Morrow DA,Ward SR,Lieber RL,Kaufman KR

更新日期：2017-03-01 00:00:00

abstract：:The statistical distribution of von Mises stress in the trabeculae of human vertebral cancellous bone was estimated using large-scale finite element models. The goal was to test the hypothesis that average trabecular von Mises stress is correlated to the maximum trabecular level von Mises stress. The hypothesis was pr...

journal_title：Annals of biomedical engineering

authors： Fyhrie DP,Hoshaw SJ,Hamid MS,Hou FJ

更新日期：2000-01-01 00:00:00

abstract：:We have studied the interaction of high frequency jet ventilation with cardiovascular pressures and flows. Results in dogs show that the amplitude of all intrathoracic pressures and flows fluctuate with a frequency equal to the difference between the heart rate and ventilator rate. The magnitude of this amplitude vari...

journal_title：Annals of biomedical engineering

authors： Mitzner W,Gioia F,Weinmann GG,Robotham JL,Ehrlich W

更新日期：1987-01-01 00:00:00

abstract：:Elastin is an essential component of arteries which provides structural integrity and instructs smooth muscle cells to adopt a quiescent state. Despite interaction of endothelial cells with elastin in the internal elastic lamina, the potential for exploiting this interaction therapeutically has not been explored in de...

journal_title：Annals of biomedical engineering

authors： Wilson BD,Gibson CC,Sorensen LK,Guilhermier MY,Clinger M,Kelley LL,Shiu YT,Li DY

更新日期：2011-01-01 00:00:00

abstract：:Long-range dependency has been found in most rhythmic motor signals. The origin of this property is unknown and largely debated. There is a controversy on the influence of voluntary control induced by requiring a pre-determined pace such as asking subjects to step to a metronome. We studied the cycle duration variabil...

journal_title：Annals of biomedical engineering

authors： Warlop TB,Bollens B,Crevecoeur F,Detrembleur C,Lejeune TM

更新日期：2013-08-01 00:00:00

abstract：:Classically, the primary tool for quantifying the dynamics of vergence and other eye movements has been the main sequence. The main sequence is a plot of peak velocity versus response amplitude and is particularly useful for comparing the dynamics of a large number of eye movements over a range of response amplitudes....

journal_title：Annals of biomedical engineering

authors： Alvarez TL,Semmlow JL,Yuan W,Munoz P

更新日期：1999-05-01 00:00:00

abstract：:Abdominal aortic aneurysms occur in as much as 2-3% of the population, and their rupture produces a mortality rate of 78-94% (1), causing 15,000 deaths per year in the U.S. alone. As an investigation into the mechanical factors that lead to aneurysm rupture, flow field measurements are presented for steady flow throug...

journal_title：Annals of biomedical engineering

authors： Asbury CL,Ruberti JW,Bluth EI,Peattie RA

更新日期：1995-01-01 00:00:00

abstract：:The identification of the input to, or kernels of, a system using nonparametric representations and least-squares estimation is becoming increasingly popular. Nonparametric representations avoid making a priori assumptions about the input or having detailed knowledge about the system, and only need to guarantee known ...

journal_title：Annals of biomedical engineering

authors： Verotta D

更新日期：1998-09-01 00:00:00

abstract：:This experimental work focused on the sensor selection for the development of a needle-like instrument to treat small isolated cartilage defects with hydrogels. The aim was to identify the most accurate and sensitive imaging method to determine the location and size of defects compared to a gold standard (µCT). Only i...

journal_title：Annals of biomedical engineering

authors： Horeman T,Buiter EC,Pouran B,Stijntjes M,Dankelman J,Tuijthof GJM

更新日期：2018-11-01 00:00:00

abstract：:The appropriateness of integrated information systems to the description of integrated biological systems is discussed. An integrated information system in the physiology of the regulation of respiration is argued to be a structural mathematical model of the system and the relational data base, which it can compute. I...

journal_title：Annals of biomedical engineering

authors： Yamamoto WS

更新日期：1983-01-01 00:00:00

abstract：:The kidney is one of the most radiosensitive organs; it is the primary dose-limiting organ in radiotherapies for upper abdominal cancers. The role of mitochondrial redox state in the development and treatment of renal radiation injury, however, remains ill-defined. This study utilizes 3D optical cryo-imaging to quanti...

journal_title：Annals of biomedical engineering

authors： Mehrvar S,la Cour MF,Medhora M,Camara AKS,Ranji M

更新日期：2019-07-01 00:00:00

abstract：:For several years, Virginia Tech and other schools have measured the frequency and severity of head impacts sustained by collegiate American football players in real time using the Head Impact Telemetry (HIT) System of helmet-mounted accelerometers. In this study, data from 37,128 head impacts collected at Virginia Te...

journal_title：Annals of biomedical engineering

authors： Funk JR,Rowson S,Daniel RW,Duma SM

更新日期：2012-01-01 00:00:00

abstract：:Current induced in cultured cerebellar granule cells by the bath application of kainate (500 microM) was measured using the conventional patch-clamp technique. Two different kinds of responses were observed after the agonist perfusion. Some cells exhibited small inward whole-cell currents: 116 +/- 40 pA (7 cells) at a...

journal_title：Annals of biomedical engineering

authors： Cavalcanti S,Zona C

更新日期：1997-05-01 00:00:00

abstract：:Femoral neck fractures are a relevant clinical and social problem. The aim of this study was to improve the prediction of patients at-risk of femoral neck fracture with respect to the current densitometric-based methods. In particular, finite element models were used to assess the prediction accuracy obtained by combi...

journal_title：Annals of biomedical engineering

authors： Testi D,Viceconti M,Cappello A,Gnudi S

更新日期：2002-06-01 00:00:00

abstract：:Numerical models of the mitral valve have been used to elucidate mitral valve function and mechanics. These models have evolved from simple two-dimensional approximations to complex three-dimensional fully coupled fluid structure interaction models. However, to date these models lack direct one-to-one experimental val...

journal_title：Annals of biomedical engineering

authors： Rabbah JP,Saikrishnan N,Yoganathan AP

更新日期：2013-02-01 00:00:00

abstract：:The effects of facet wiring procedure commonly used for stabilizing cervical spines after laminectomy or bilateral facet dislocation on the motion behavior of whole cervical spines are investigated using a Selspot II system. A fresh human ligamentous intact specimen was potted at T1/T2 vertebra and clinically relevant...

journal_title：Annals of biomedical engineering

authors： Goel VK,Clark CR,Harris KG,Kim YE,Schulte KR

更新日期：1989-01-01 00:00:00

abstract：:Gap junctions play a fundamental role in intercellular communication in cardiac tissue. Various types of heart disease including hypertrophy and ischemia are associated with alterations of the spatial arrangement of gap junctions. Previous studies applied two-dimensional optical and electron-microscopy to visualize ga...

journal_title：Annals of biomedical engineering

authors： Lackey DP,Carruth ED,Lasher RA,Boenisch J,Sachse FB,Hitchcock RW

更新日期：2011-11-01 00:00:00

abstract：:In order to obtain the first quantitative measurements of the in vivo stresses in early-stage amphibian embryos, we developed a novel instrument that uses a pair of parallel wires that are glued to the surface of an embryo normal to the direction in which the stress is to be determined. When a slit is made parallel to...

journal_title：Annals of biomedical engineering

authors： Benko R,Brodland GW

更新日期：2007-04-01 00:00:00

abstract：:This study aimed to quantify the elongation patterns of the collateral ligaments following TKA during functional activities of daily living. Using mobile video-fluoroscopy to capture radiographic images of the knee in a group of six patients, each with an ultra-congruent knee implant, tibiofemoral kinematics were reco...

journal_title：Annals of biomedical engineering

authors： Hosseini Nasab SH,Smith CR,Schütz P,Damm P,Trepczynski A,List R,Taylor WR

更新日期：2020-04-01 00:00:00

abstract：:Measurement of cell shortening is an important technique for assessment of physiology and pathophysiology of cardiac myocytes. Many types of heart disease are associated with decreased myocyte shortening, which is commonly caused by structural and functional remodeling. Here, we present a new approach for local measur...

journal_title：Annals of biomedical engineering

authors： Lichter J,Li H,Sachse FB

更新日期：2016-10-01 00:00:00

abstract：:Adherence of a biological graft to the wound surface is the most important factor influencing the ultimate success of graft viability. A machine has been developed to test the adherence of biological graft materials to a substrate such as a wound surface. The peeling mode, which yields reproducible quantitative measur...

journal_title：Annals of biomedical engineering

authors： Dong C,Mead E,Skalak R,Fung YC,Debes JC,Zapata-Sirvent RL,Andree C,Greenleaf G,Cooper M,Hansbrough JF

更新日期：1993-01-01 00:00:00

abstract：:During the fetal-to-neonatal transition, transvalvular pressures (TVPs) on the aortic and pulmonary valves change dramatically-but differently for each valve. We have examined changes in the molecular stability and crosslinking of collagen during this transition. Aortic and pulmonary valves were harvested from fetal a...

journal_title：Annals of biomedical engineering

authors： Aldous IG,Lee JM,Wells SM

更新日期：2010-09-01 00:00:00

abstract：:It is widely recognized that the bacteria sequestered in a biofilm on a medical implant are much more resistant to antibiotics than their planktonic counterparts. Recent studies have shown that application of antibiotic along with low power ultrasound significantly increases the killing of planktonic bacteria by the a...

journal_title：Annals of biomedical engineering

authors： Qian Z,Sagers RD,Pitt WG

更新日期：1997-01-01 00:00:00