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Mostrando 741 - 760 Resultados de 5,091 Para Buscar '"Spiral"', tiempo de consulta: 0.28s Limitar resultados
  1. 741
    por Nayak, Alok R., Pandit, Rahul
    Publicado 2014
    “…We then examine three types of initial conditions for both TP06 and TNNP04 models and show that the imposition of PD leads to a rich variety of spatiotemporal patterns in the transmembrane potential including states with a single rotating spiral (RS) wave, a spiral-turbulence (ST) state with a single meandering spiral, an ST state with multiple broken spirals, and a state SA in which all spirals are absorbed at the boundaries of our simulation domain. …”
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    Spiral-wave dynamics in ionically realistic mathematical models for human ventricular tissue: the effects of periodic deformation
  2. 742
    “…METHODOLOGY/PRINCIPAL FINDINGS: Here, we enriched and characterized putative CTCs from blood samples of patients with both advanced stage metastatic breast and lung cancers using a novel multiplexed spiral microfluidic chip. This system detected putative CTCs under high sensitivity (100%, n = 56) (Breast cancer samples: 12–1275 CTCs/ml; Lung cancer samples: 10–1535 CTCs/ml) rapidly from clinically relevant blood volumes (7.5 ml under 5 min). …”
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    Clinical Validation of an Ultra High-Throughput Spiral Microfluidics for the Detection and Enrichment of Viable Circulating Tumor Cells
  3. 743
    “…In this study, a newly developed type of MALDI high-resolution time-of-flight mass spectrometry (TOFMS) with a spiral ion trajectory (MALDI spiral-TOFMS) was applied to the structural and compositional characterization of polymers. …”
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    Structural Characterization of Polymers by MALDI Spiral-TOF Mass Spectrometry Combined with Kendrick Mass Defect Analysis
  4. 744
    “…Viral antigens were present in the inner ear as were CD3+ mononuclear cells in the spiral ganglion and stria vascularis. Spiral ganglion neuron density was decreased after infection, thus providing a mechanism for hearing loss. …”
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    Murine CMV-Induced Hearing Loss Is Associated with Inner Ear Inflammation and Loss of Spiral Ganglia Neurons
  5. 745
    “…Prph((−/−)) mice lacked type II spiral ganglion neuron innervation of the outer hair cells, whereas innervation of the inner hair cells by type I spiral ganglion neurons was normal. …”
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    Type II spiral ganglion afferent neurons drive medial olivocochlear reflex suppression of the cochlear amplifier
  6. 746
    “…OBJECTIVES: The functionality of cochlear implants (CI) depends, among others, on the number and excitability of surviving spiral ganglion neurons (SGN). The spatial separation between the SGN, located in the bony axis of the inner ear, and the CI, which is inserted in the scala tympani, results in suboptimal performance of CI patients and may be decreased by attracting the SGN neurites towards the electrode contacts. …”
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    Neuronal Survival, Morphology and Outgrowth of Spiral Ganglion Neurons Using a Defined Growth Factor Combination
  7. 747
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    A large symptomatic jejunal subepithelial tumor treated with endoloop-assisted polypectomy using spiral enteroscopy
  8. 748
    “…The total alkaloids of S. spirale have been screened for their antitussive and expectorant effects in intact animal model. …”
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    Spiralosides A–C, Three New C(27)-Steroidal Glycoalkaloids from the Fruits of Solanum spirale
  9. 749
    “…Herein, we demonstrate that controlled spatio-temporal patterns, with reproducible spiral-like shapes, can be obtained by electrodeposition of Co-In alloys inside a confined circular geometry (i.e., in disks that are commensurate with the typical size of the spatio-temporal features). …”
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    Spontaneous formation of spiral-like patterns with distinct periodic physical properties by confined electrodeposition of Co-In disks
  10. 750
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    Right ventricular strain, torsion and synchrony in healthy subjects using 3D spiral cine DENSE
  11. 751
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    Reduced field-of-view stack-of-spirals enables high spatiotemporal resolution 3D perfusion imaging
  12. 752
    “…In terms of cellular and molecular mechanisms underlying this therapeutic effect, additional experiments revealed that spiral ganglion cell survival was significantly improved, mineralocorticoid receptors were upregulated via post-translational protein modifications, and age-related intrinsic and extrinsic apoptotic pathways were blocked by the aldosterone therapy. …”
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    Age-related hearing loss: prevention of threshold declines, cell loss and apoptosis in spiral ganglion neurons
  13. 753
    “…The morphology and survival of the cochlear hair cells (HCs) were observed using cochlear surface preparation at 1, 30, 90, 120, 150 and 180 days after moving to the plateau area. Changes in spiral ganglion neurons (SGNs) were detected at different time-points using immunofluorescence technology on frozen sections. …”
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    Influence of high-altitude hypoxic environments on the survival of cochlear hair cells and spiral ganglion neurons in rats
  14. 754
    “…We analyzed the effectiveness of using 64-slice spiral computed tomography (CT) and perfusion imaging to guide argon-helium cryoablation treatment of liver cancer. …”
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    The value of 64-slice spiral CT perfusion imaging in the treatment of liver cancer with argon-helium cryoablation
  15. 755
    “…The main objective of this case report is to present a rare root canal configuration of maxillary molar with seven root canals; three mesiobuccal, two palatal and two distobuccal canals diagnosed during treatment procedure confirmed by spiral computed tomography. A thorough knowledge of root canal morphology, proper clinical and radiographic examination, and use of dental operating microscopes are necessary for successful clinical outcomes. …”
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    Endodontic Management of a Maxillary First Molar with Seven Root Canals Using Spiral Computed Tomography
  16. 756
    “…Sensorineural hearing loss (SNHL) is caused by an irreversible impairment of cochlear hair cells and subsequent progressive degeneration of spiral ganglion neurons (SGNs). Eighty-five requiring 3 (Efr3) is a plasma membrane protein conserved from yeast to human, and knockout of Efr3a was reported to facilitate the survival of hippocampal newborn neurons in adult mice. …”
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    Efr3a Insufficiency Attenuates the Degeneration of Spiral Ganglion Neurons after Hair Cell Loss
  17. 757
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    Innate immunity modulation in the duodenal mucosa induced by REM sleep deprivation during infection with Trichinella spirallis
  18. 758
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    Corrigendum: Precision controlled atomic resolution scanning transmission electron microscopy using spiral scan pathways
  19. 759
    “…We investigate the effect of mechano-electrical feedback and atrial fibrillation induced electrical remodelling (AFER) of cellular ion channel properties on the dynamics of spiral waves in a discrete 2D model of human atrial tissue. …”
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    Electro-mechanical dynamics of spiral waves in a discrete 2D model of human atrial tissue
  20. 760
    “…Spiral waves are shown to undergo directional drifts in the presence of ac and polarized electric fields when their frequencies are twice of the spiral frequencies. …”
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    A theory for spiral wave drift induced by ac and polarized electric fields in chemical excitable media
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