1-16 of 16
Keywords: diffusion
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Articles
Article Type: Research-Article
J Biomech Eng. November 2022, 144(11): 111010.
Paper No: BIO-22-1084
Published Online: July 18, 2022
... , “ Site-Specific Molecular Diffusion in Articular Cartilage Measured Using Fluorescence Recovery After Photobleaching ,” Ann. Biomed. Eng. , 31 ( 7 ), pp. 753 – 760 . 10.1114/1.1581879 [33] Leddy , H. A. , Haider , M. A. , and Guilak , F. , 2006 , “ Diffusional Anisotropy...
Journal Articles
Article Type: Research-Article
J Biomech Eng. April 2020, 142(4): 041010.
Paper No: BIO-19-1081
Published Online: December 23, 2019
.... In this study, we present a computational finite element model (FEM) of solute transport through the synovium validated by experiments on synovial explants. Unsteady diffusion of urea, a small uncharged molecule, was measured through devitalized porcine and human synovium using custom-built diffusion chambers...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. January 2019, 141(1): 014502.
Paper No: BIO-18-1187
Published Online: November 19, 2018
...Chris D. DiDomenico; Lawrence J. Bonassar Molecular transport of osteoarthritis (OA) therapeutics within articular cartilage is influenced by many factors, such as solute charge, that have yet to be fully understood. This study characterizes how solute charge influences local diffusion...
Includes: Supplementary data
Journal Articles
Article Type: Research Papers
J Biomech Eng. October 2012, 134(10): 101005.
Published Online: October 1, 2012
... and metabolite levels were measured in the peripheral skeletal muscle, normal myocardium, the infarct border zone, and the infarct interior. The diffusion coefficients of fluorescein or FITC-labeled dextran (0.3–70 kD) were measured in these tissues using fluorescence recovery after photobleaching. The vascular...
Journal Articles
Article Type: Research Papers
J Biomech Eng. December 2010, 132(12): 121012.
Published Online: November 16, 2010
... and established mathematical transport models. Results demonstrate how the bridged μ Lane system was used to generate spatial concentration gradients that resulted in an experimentally measured Dextran diffusivity of ( 0.82 ± 0.01 ) × 10 − 6 cm 2 / s . Microfabrication techniques have been widely adapted...
Journal Articles
Article Type: Research Papers
J Biomech Eng. June 2010, 132(6): 061001.
Published Online: April 16, 2010
... conditions were continuities of mass and mass flux. Two parameters were defined to characterize the mass transports in the fluid and porous regions. The porous Damkohler number is the ratio of consumption to diffusion of the substrates in the porous medium. The fluid Damkohler number is the ratio...
Journal Articles
Article Type: Technology Review
J Biomech Eng. July 2009, 131(7): 074002.
Published Online: July 27, 2009
... the transportation of oxygen in the brain tissue is mainly driven by a diffusion process caused by a concentration gradient of oxygen from blood to cells, the spatial organization of the vascular system, in which the oxygen content is higher than in tissue, is a key factor for maintaining effective transportation...
Journal Articles
Article Type: Technical Briefs
J Biomech Eng. March 2009, 131(3): 034506.
Published Online: January 7, 2009
... that quantifies the influence of convection and diffusion on contrast transport. Optimized parameters were correlated with the intraneurysmal mean kinetic energy measured by PIV in the same aneurysm model. A strong correlation was observed between the convection and diffusion time constants and the mean kinetic...
Journal Articles
Article Type: Research Papers
J Biomech Eng. December 2008, 130(6): 061002.
Published Online: October 8, 2008
... with the chondrocyte must pass through the pericellular environment. A quantitative understanding of the diffusional properties of the PCM may help in elucidating the regulatory role of the PCM in controlling transport to and from the chondrocyte. The diffusivities of fluorescently labeled 70 kDa and 500 kDa dextrans...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2007, 129(5): 733–742.
Published Online: February 22, 2007
...Rosaire Mongrain; Isam Faik; Richard L. Leask; Josep Rodés-Cabau; Éric Larose; Olivier F. Bertrand In the context of drug eluting stent, we present two-dimensional numerical models of mass transport of the drug in the wall and in the lumen to study the effect of the drug diffusion coefficients...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2007, 129(5): 776–785.
Published Online: February 20, 2007
... initial mixture volume D i 0 diffusion tensor in free solution of ion i E s solid phase strain tensor F Faraday’s constant J relative volume change from the initial state to the current state K...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2007, 129(5): 666–675.
Published Online: February 14, 2007
... over a simple model with an open annular space. Overall, dispersion is > 10 3 times simple molecular diffusion. The result of enhanced dispersion is rapid spread and dilution of the bolus, effectively stirred by fluid movement around the fine structure. Loth , F. , Yardimci , M...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. April 2007, 129(2): 148–155.
Published Online: September 4, 2006
... presented. This mathematical model takes into account the ionic species diffusion, electric potential coupling, and large mechanical deformation. In addition, a correlation between the diffusive hydrogen ions and fixed-charge groups on the hydrogel polymeric chains is established based on the Langmuir...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2006, 128(5): 674–679.
Published Online: February 12, 2006
... of motors with which the organelles are associated, and the mechanical properties of the cytoplasm. This paper presents a study that characterizes the diffusive motion of mitochondria in chondrocytes seeded in agarose constructs and what this implies about the mechanical properties of the cytoplasm. Method...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. October 2005, 127(5): 758–766.
Published Online: May 26, 2005
... approach was adopted to describe diffusion and uptake in the experimental model. Numerical predictions of lactate, based on simple relations for cell metabolism, were found to agree well for low glucose, but not for high glucose medium. Oxygen did not play a role in either case. Given the close association...
Journal Articles
Article Type: Technical Papers
J Biomech Eng. February 2001, 123(1): 106–113.
Published Online: August 24, 2000
... that we have conducted on DPPC 8 . The diffusion coefficient that matches these data, D = 1 × 10 − 9   cm 2 / s , is consistent with that of very, very large micelles or lamellar bodies, structures that DPPC is known to form 21 . As diffusional transport resistance...