• Biofilm-associated cells can be differentiated from their suspended counterparts by generation of an extracellular polymeric substance (EPS) matrix, reduced growth rates, and the up- and down- regulation of specific genes. (cdc.gov)
  • A biofilm is an assemblage of surface-associated microbial cells that is enclosed in an extracellular polymeric substance matrix. (cdc.gov)
  • Aggregate of microorganisms in which cells that are frequently embedded within a self-produced matrix of extracellular polymeric substances (EPSs) adhere to each other and/or to a surface. (wikipedia.org)
  • The self-produced matrix of extracellular polymeric substances , which is also referred to as slime, is a polymeric conglomeration generally composed of extracellular biopolymers in various structural forms. (wikipedia.org)
  • [2] [3] These adherent cells become embedded within a slimy extracellular matrix that is composed of extracellular polymeric substances (EPSs). (wikipedia.org)
  • [2] [3] The cells within the biofilm produce the EPS components, which are typically a polymeric conglomeration of extracellular polysaccharides , proteins , lipids and DNA . (wikipedia.org)
  • He has continued research on the functions of proteoglycans and hyaluronan in the extracellular matrices. (gr.jp)
  • Here we addressed this issue by quantifying regional voxelwise changes in brain gray matter volume, white matter microstructure, extracellular free water (FW) distribution, and ventricular volume from pre- to post-flight in a sample of 30 astronauts. (nature.com)
  • Multidimensional diffusion magnetic resonance imaging for characterization of tissue microstructure in breast cancer patients: A prospective pilot study. (lu.se)
  • Viscosity of the extracellular matrix from 1 to 50 mPa S, up to two orders of magnitude higher than the CSF. (veo.io)
  • Conversely, cold temperatures may hamper oxygen supply by lowered diffusion across tissue and cellular boundaries, increased viscosity [ 10 ] and often a decreased ability of blood pigments like vertebrate haemoglobin or cephalopod haemocyanin to release oxygen to tissues as the pigment's affinity for oxygen increases [ 11 - 13 ]. (biomedcentral.com)
  • There exist two main patterns of cancer cell invasion by cell migration: collective cell migration and individual cell migration, by which tumor cells overcome barriers of the extracellular matrix and spread into surrounding tissues. (wikipedia.org)
  • Tumor growth is accompanied by increasing pressure on surrounding extracellular matrix structures, whereas the tissue microenvironment works to retain its functional-anatomic integrity by increasing pressure on the tumor cells. (wikipedia.org)
  • Approaches of bioengineering and regenerative medicine aim to create different types of materials, implants, or scaffold mimicking structure of extracellular matrix, functionalized with bioactive molecules or living cells. (hindawi.com)
  • Nanofibrous and microporous membranes are very suitable to promote bone regeneration as a mimetic extracellular matrix. (hindawi.com)
  • The characteristic macro physical properties of hyaluronan (HA), which distinguish it from the other components of extracellular matrix, are readily accessible to experimentation and have been investigated and commented upon for over 50 years. (gr.jp)
  • In the last 10-15 years, MR imaging techniques have been increasingly applied to the study of molecular displacement (diffusion) in biologic tissue [ 1 , 2 ]. (ajronline.org)
  • The ability to spatially map the diffusion of free water protons in vivo using 1 H MR imaging and the observation that the diffusion of free water protons is reduced in acutely infarcted brain tissue are responsible for the widespread use of these techniques in clinical imaging [ 3 , 4 , 5 , 6 , 7 , 8 ]. (ajronline.org)
  • Different sources of living cells are described, as mesenchymal stem cells (MSCs), adipose-tissue derived stem cells, skin derived multipotent stem cells, or oral cavity MSCs, presenting compatible immunophenotype or morphology [ 2 , 3 ]. (hindawi.com)
  • Claim that adipose tissue communicates with the brain through blood-borne extracellular vesicles containing miRNA. (veo.io)
  • Light-emitting diodes (LED), originally developed for NASA plant growth experiments in space show promise for delivering light deep into tissues of the body to promote wound healing and human tissue growth. (researchgate.net)
  • In vitro and in vivo (animal and human) studies utilized a variety of LED wavelength, power intensity, and energy density parameters to begin to identify conditions for each biological tissue that are optimal for biostimulation. (researchgate.net)
  • The application of a pair of strong gradients to elicit differences in the diffusivity of water molecules among various biologic tissues is known as diffusion sensitization or diffusion weighting [ 22 , 23 ]. (ajronline.org)
  • Random motion of water molecules (diffusion) in the presence of a strong magnetic gradient results in MR signal loss as a result of the dephasing of spin coherence ( Fig. 1 ). (ajronline.org)
  • Diagram shows loss of intensity of MR signal (S, solid line ) resulting from inefficient rephasing of dephased spins because of displacement of water molecules (diffusion) between application of bipolar gradients ( G ). With decreased diffusion (reduced displacement of water molecules), rephasing process is more efficient and signal loss is predominantly caused by T2 decay ( dotted line ). (ajronline.org)
  • The signalling molecules are delivered directly to the receiving cells by a direct-contact model and parameters such as cytoneme length or speed of filopodia formation dictate local Wnt concentration. (exeter.ac.uk)
  • The appearance and evaluation of intracranial hemorrhage on MRI (see the images below) primarily depend on the age of the hematoma and on the imaging sequence or parameters (eg, T1 weighting, T2 weighting). (medscape.com)
  • Estimate from parallel and perpendicular diffusion rates that the characteristic scale of ECS dimension is 80 to 270nm, or 150 +- 40nm . (veo.io)
  • The expression of AAV-NRP-1 markedly ameliorated the cerebral I/R-induced damage to the motor function and restored the mitochondrial morphology. (biomedcentral.com)
  • This review discusses the similarities and differences between the morphology of astrocytes and astrocytoma cells, and the role that dysregulation in glutamate and calcium signaling plays in the aberrant morphology of astrocytoma cells. (mdpi.com)
  • Thus, the b value (diffusion sensitization) can be increased by using stronger ( G ) and longer (δ) pulsed gradients or by lengthening the time between the pulsed gradients (Δ). (ajronline.org)
  • Degree of diffusion sensitization (b value) is determined by duration (δ) and strength (height) of sensitizing pulsed-gradients ( G ), and time interval between two pulsed gradients (Δ). (ajronline.org)
  • Adding diffusion-sensitizing gradients to an imaging sequence (spatial encoding) constitutes the basis for diffusion-weighted MR imaging. (ajronline.org)
  • Eight explanted rat hearts were perfused with Gd-DTPA contrast agent and fixative and imaged in a 9.4T magnet by two types of acquisition: 3D fast low angle shot (FLASH) imaging, voxels 50 × 50 × 50 μm, and 3D spin echo DTI with monopolar diffusion gradients of 3.6 ms duration at 11.5 ms separation, voxels 200 × 200 × 200 μm. (biomedcentral.com)
  • Previous studies have leveraged the flight duration differences between short-duration (2 week) space shuttle missions and long-duration (6 months or more) International Space Station (ISS) missions to study the impact of spaceflight duration on brain changes. (nature.com)
  • Towards non-parametric diffusion-T1 characterization of crossing fibers in the human brain. (lu.se)
  • Based on the identified response functions, we clarified the profiles of how the morphology spatiotemporally changes in response to local and transient activation of Rac1 and Cdc42 and found that Rac1 and Cdc42 activation triggers laterally propagating membrane protrusion. (nature.com)
  • A) spring Mathematical diffusion of actor scan to reveal posthumous final simulation( ECM) in excellent website staff with no 210G group. (skiclub-todtmoos.de)
  • gaps between adjacent sheetlets which exist as potential spaces in vivo and open up on fixation. (biomedcentral.com)
  • Enzyme digestion normalized the spatial heterogenaity of diffusion. (veo.io)
  • As it is very difficult to determine the specific impact of individual parameters in a complex biological system by a purely experimental approach, we interact with mathematicians using computational modelling. (exeter.ac.uk)
  • Spaceflight induces widespread changes in human brain morphology. (nature.com)
  • Pathologic accumulation of blood in the cranial vault (ie, ICH) may occur in the brain parenchyma or in surrounding meningeal spaces. (medscape.com)
  • Computing and visualising intra-voxel orientation-specific relaxation-diffusion features in the human brain. (lu.se)
  • In this paper, we briefly describe the tensor theory used to characterize molecular diffusion in white matter and how the tensor elements are measured experimentally using diffusion-sensitive MR imaging. (ajronline.org)
  • Cardiovascular magnetic resonance (CMR) can through the two methods 3D FLASH and diffusion tensor imaging (DTI) give complementary information on the local orientations of cardiomyocytes and their laminar arrays. (biomedcentral.com)
  • Molecular dynamics simulations and solid-state nuclear magnetic resonance spectroscopy measurements of C-H bond order parameters and effective correlation times in a POPC-GM3 bilayer. (lu.se)
  • Whitefield, ' Performance of the read The Butcher\'s Guide convolving process local to other algorithms for the space of red substrate worksheets, ' Combustion Science and Technology, 181(12), 1526-1548( 2009). (skiclub-todtmoos.de)
  • The microscopic investigation of possibly life-containing specimens can be greatly aided by looking not just at the morphology of a feature of interest, but at its chemistry as well. (nationalacademies.org)
  • 1818028, ' parameter ': ' The problem of ice or account growth you are Incorporating to email uses n't coupled for this background. (mooreamusicpele.com)
  • The most extended direction of FLASH signal ( v 1 ST ) agreed well with that of diffusion ( e 1 DTI ) throughout the left ventricle (representative discrepancy in the septum of 13.3 ± 6.7°: median ± absolute deviation) and both were in keeping with the expected local orientations of the long-axis of cardiomyocytes. (biomedcentral.com)
  • Rotational diffusion is a more localized motion than translational diffusion and it therefore reports more accurately on the local mobility of the hydration layer. (lu.se)
  • The DTI data was analysed to determine the most ( e 1 DTI ), intermediate ( e 2 DTI ) and least ( e 3 DTI ) orthogonal eigenvectors of extent of diffusion. (biomedcentral.com)
  • LBE for Potassium Movement 88 which happens the download Dictionary of Travel, Tourism of diffusion after the data are isolated into the ECS. (mariacocchiarelli.com)
  • 3 ) used scanning and transmission electron microscopy to examine biofilms on trickling filters in a wastewater treatment plant and showed them to be composed of a variety of organisms (based on cell morphology). (cdc.gov)
  • Calculation of pharmacokinetic parameters All the pharmacokinetic parameters were determined by noncompartmental analysis. (micrornamimic.com)