Viscosity

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  Subject Areas on Research

  • "Dynamic Infrared Linear Dichroism Study of the Temperature-Dependent, Viscoelastic Behavior of a Poly(ester urethane)" 
  • 3D Printing of Poly(propylene fumarate) Oligomers: Evaluation of Resin Viscosity, Printing Characteristics and Mechanical Properties. 
  • 3D patterned stem cell differentiation using thermo-responsive methylcellulose hydrogel molds. 
  • A finite-element method model of soft tissue response to impulsive acoustic radiation force. 
  • A novel ultrasound-based method to evaluate hemostatic function of whole blood. 
  • A piece-wise non-linear elastic stress expression of human and pig coronary arteries tested in vitro. 
  • A thin-layer model for viscoelastic, stress-relaxation testing of cells using atomic force microscopy: do cell properties reflect metastatic potential? 
  • Accounting for the Spatial Observation Window in the 2-D Fourier Transform Analysis of Shear Wave Attenuation. 
  • Alterations in the Young's modulus and volumetric properties of chondrocytes isolated from normal and osteoarthritic human cartilage. 
  • Altered cell-averaged microviscosity of murine peritoneal macrophages undergoing activation in vivo or in vitro. 
  • An analytic, Fourier domain description of shear wave propagation in a viscoelastic medium using asymmetric Gaussian sources. 
  • Assessing cardiac stiffness using ultrasound shear wave elastography. 
  • Assessment of Structural Heterogeneity and Viscosity in the Cervix Using Shear Wave Elasticity Imaging: Initial Results from a Rhesus Macaque Model. 
  • Assessments of thrombogenicity by three in vitro techniques. Student Research Award in the Undergraduate, Master Candidate, or Health Science Degree Candidate Category, 21st annual meeting of the Society for Biomaterials, San Francisco, CA, March 18-22, 1995. 
  • Biophysical analysis of prototype microbicidal gels. 
  • Biophysical characteristics of anti-Gal(alpha)1-3Gal IgM binding to cell surfaces: implications for xenotransplantation. 
  • CSF in the ventricles of the brain behaves as a relay medium for arteriovenous pulse wave phase coupling. 
  • Can Dissipative Properties of Single Molecules Be Extracted from a Force Spectroscopy Experiment? 
  • Cathepsin B1. A lysosomal enzyme that degrades native collagen. 
  • Characterization of Viscoelastic Materials Using Group Shear Wave Speeds. 
  • Characterization of the passive responses of live skeletal muscle using the quasi-linear theory of viscoelasticity. 
  • Co-assembling peptides as defined matrices for endothelial cells. 
  • Coagulation-induced resistance to fluid flow in small-diameter vascular grafts and graft mimics measured by purging pressure. 
  • Collagenase in bone of man. 
  • Combined macro- and microrheometer for use with Langmuir monolayers. 
  • Development and characterization of a vitreous mimicking material for radiation force imaging. 
  • Dilution of microbicide gels with vaginal fluid and semen simulants: effect on rheological properties and coating flow. 
  • Directed intermixing in multicomponent self-assembling biomaterials. 
  • Dual-wavelength ratiometric fluorescence measurement of the membrane dipole potential. 
  • Effect of contact time and force on monocyte adhesion to vascular endothelium. 
  • Effect of fibronectin amount and conformation on the strength of endothelial cell adhesion to HEMA/EMA copolymers. 
  • Effect of high-energy X-ray irradiation on creep mechanisms in bone and dentin. 
  • Effect of temperature and pH on contraceptive gel viscosity. 
  • Emergent mechanical properties of self-assembled polymeric capsules. 
  • Endothelial, cardiac muscle and skeletal muscle exhibit different viscous and elastic properties as determined by atomic force microscopy. 
  • Erosion of microbicide formulation coating layers: effects of contact and shearing with vaginal fluid or semen. 
  • Estrogen regulation of aquaporins in the mouse uterus: potential roles in uterine water movement. 
  • Evidence for the function of hyperactivated motility in sperm. 
  • Evolution of load transfer between hydroxyapatite and collagen during creep deformation of bone. 
  • Factors regulating mammalian sperm migration through the female reproductive tract and oocyte vestments. 
  • Finite element model predictions of intracranial hemorrhage from non-impact, rapid head rotations in the piglet. 
  • Flow permeation analysis of bovine cervical mucus. 
  • Fluctuation-dissipation theorem in an aging colloidal glass. 
  • Gravity-induced coating flows of vaginal gel formulations: in vitro experimental analysis. 
  • High-frequency stress relaxation in semiflexible polymer solutions and networks. 
  • High-resolution microrheology in the pericellular matrix of prostate cancer cells. 
  • Human granulocyte collagenase. 
  • Hyaluronic acid based low viscosity hydrogel as a novel carrier for Convection Enhanced Delivery of CAR T cells. 
  • Hydrophobic nanoparticles improve permeability of cell-encapsulating poly(ethylene glycol) hydrogels while maintaining patternability. 
  • Hydrostatic pressure as a driver of cell and tissue morphogenesis. 
  • In vitro and in vivo evaluation of a water-in-oil microemulsion system for enhanced peptide intestinal delivery. 
  • In vivo quantification of liver stiffness in a rat model of hepatic fibrosis with acoustic radiation force. 
  • Influence of denaturing agents on solvent structure. 
  • Injectable tissue integrating networks from recombinant polypeptides with tunable order. 
  • Interaction of the antifolate antibiotic trimethoprim with phosphatidylcholine membranes: a 13C and 31P nuclear magnetic resonance study. 
  • Interpreting properties of microbicide drug delivery gels: analyzing deployment kinetics due to squeezing. 
  • In vivo evaluation of the new PHIL low viscosity in a swine rete mirabile model. 
  • Kinematics of hamster sperm during penetration of the cumulus cell matrix. 
  • Kinetics of release of serotonin from isolated secretory granules. II. Ion exchange determines the diffusivity of serotonin. 
  • Laser-induced heating in optical traps. 
  • Leukocyte rolling on P-selectin: a three-dimensional numerical study of the effect of cytoplasmic viscosity. 
  • Microrheology probes length scale dependent rheology. 
  • Microrheology, stress fluctuations, and active behavior of living cells. 
  • Modifying peripheral IV catheters with side holes and side slits results in favorable changes in fluid dynamic properties during the injection of iodinated contrast material. 
  • Modular, well-behaved reversible polymers from DNA-based monomers. 
  • Modulating the mechanical properties of self-assembled peptide hydrogels via native chemical ligation. 
  • Molecular mobility on the cell surface. 
  • Muscle tetanus and loading condition effects on the elastic and viscous characteristics of the thorax. 
  • Non-linear viscoelastic properties of cervical mucus. 
  • Nonequilibrium mechanics of active cytoskeletal networks. 
  • On the Quantitative Potential of Viscoelastic Response (VisR) Ultrasound Using the One-Dimensional Mass-Spring-Damper Model. 
  • Packing and viscoelasticity of polyunsaturated omega-3 and omega-6 lipid bilayers as seen by (2)H NMR and X-ray diffraction. 
  • Parallel-plate flow chamber and continuous flow circuit to evaluate endothelial progenitor cells under laminar flow shear stress. 
  • Physical properties of cholesteryl esters. 
  • Profound increase in viscosity and aggregation of pig gastric mucin at low pH. 
  • Radiation force imaging of viscoelastic properties with reduced artifacts. 
  • Rapid deformation of "passive" polymorphonuclear leukocytes: the effects of pentoxifylline. 
  • Rapid flow of passive neutrophils into a 4 microns pipet and measurement of cytoplasmic viscosity. 
  • Relationships of mammalian sperm motility and morphology to hydrodynamic aspects of cell function. 
  • Rheological properties of cysteine-containing elastin-like polypeptide solutions and hydrogels. 
  • Rheological properties of living cytoplasm: a preliminary investigation of squid axoplasm (Loligo pealei). 
  • Rheological properties of living cytoplasm: endoplasm of Physarum plasmodium. 
  • Self-cleaning of superhydrophobic surfaces by self-propelled jumping condensate. 
  • Site-specific PEGylation of hemoglobin at Cys-93(beta): correlation between the colligative properties of the PEGylated protein and the length of the conjugated PEG chain. 
  • Spectral domain phase microscopy for local measurements of cytoskeletal rheology in single cells. 
  • Swimming of spermatozoa in a linear viscoelastic fluid. 
  • Systematic optimization of an engineered hydrogel allows for selective control of human neural stem cell survival and differentiation after transplantation in the stroke brain 
  • Temperature and pH sensitive hydrogels: an approach towards smart semen-triggered vaginal microbicidal vehicles. 
  • The effect of aging on low-fat, reduced-fat, and full-fat Cheddar cheese texture. 
  • The impact of temperature and urinary constituents on urine viscosity and its relevance to bladder hyperthermia treatment. 
  • The mechanical properties of early Drosophila embryos measured by high-speed video microrheology. 
  • The origin of collagenase in periodontal tissues of man. 
  • The perfusion of isolated whole organs. 
  • The prediction of stress-relaxation of ligaments and tendons using the quasi-linear viscoelastic model. 
  • The temperature-dependent viscoelasticity of porcine lumbar spine ligaments. 
  • Time-dependent recovery of passive neutrophils after large deformation. 
  • Two-dimensional tracking of ncd motility by back focal plane interferometry. 
  • Tyloxapol inhibits NF-kappa B and cytokine release, scavenges HOCI, and reduces viscosity of cystic fibrosis sputum. 
  • Vaginal deployment and tenofovir delivery by microbicide gels. 
  • Vaginal drug distribution modeling. 
  • Viscoelastic and failure properties of spine ligament collagen fascicles. 
  • Viscoelastic properties of human mesenchymally-derived stem cells and primary osteoblasts, chondrocytes, and adipocytes. 
  • Viscoelastic properties of zonal articular chondrocytes measured by atomic force microscopy. 
  • Viscosity measurements of methanol-water and acetonitrile-water mixtures at pressures up to 3500 bar using a novel capillary time-of-flight viscometer. 
  • Viscosity of passive human neutrophils undergoing small deformations. 
  • Viscous fingering of HCl through gastric mucin. 
  • Vortex formation time is not an index of ventricular function. 
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  Keywords of People

  • Katz, David F., Nello L. Teer, Jr. Distinguished Professor of Biomedical Engineering, in the Edmund T. Pratt, Jr. School of Engineering, Biomedical Engineering
  • Nightingale, Kathryn Radabaugh, Theo Pilkington Distinguished Professor of Biomedical Engineering, Biomedical Engineering
  • Toth, Cynthia Ann, Joseph A.C. Wadsworth Distinguished Professor of Ophthalmology, Biomedical Engineering