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  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Medical & biological engineering & computing 25 (1987), S. 102-106 
    ISSN: 1741-0444
    Schlagwort(e): Dispersion ; Mechanical mismatch ; Pressure pulse ; Reflection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Medical & biological engineering & computing 21 (1983), S. 697-701 
    ISSN: 1741-0444
    Schlagwort(e): Elasticity ; Pressure pulse ; Propagation ; Reflection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: Abstract Elastic mismatching is studied by an impulse technique. Elastic mismatches are created by joining two latex rubber tubes of the same internal diameter but different wall thickness. A short duration pressure impulse is generated at the entrance of the water-filled tube system and the transmission characteristics of the impulse are determined from a series of measurements along the tube system using a catheter-tip pressure manometer. This technique enables the magnitude and phase change of the reflection at the elastic discontinuity to be obtained. A number of tube combinations are examined and in all cases a good agreement is shown between the measured reflection coefficient and the value calculated theoretically.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Medical & biological engineering & computing 26 (1988), S. 483-488 
    ISSN: 1741-0444
    Schlagwort(e): Dispersion ; Fluid viscosity ; Pressure pulse ; Reflection
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Medizin
    Notizen: Abstract The paper investigates the effect of fluid viscosity on wave reflection at sites of geometric and/or mechanical discontinuity in a system of liquid-filled tubes, when the transmission of pressure pulses along these tubes is governed by a linear medium wavelength (LMW) theory. This theory is capable of describing the propagation of pressure impulses that contain frequencies in the range 0–500 Hz. We derive formulae for the reflection coefficients at a junction between two dissimilar tubes and examine the influence of fluid viscosity on these coefficients. Over much of the frequency spectrum under consideration, viscosity changes the reflection coefficients very little. The influence of viscosity is significant, however, at frequencies below 1 Hz.
    Materialart: Digitale Medien
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Publikationsdatum: 2010-05-22
    Beschreibung: We report the design, synthesis, and assembly of the 1.08-mega-base pair Mycoplasma mycoides JCVI-syn1.0 genome starting from digitized genome sequence information and its transplantation into a M. capricolum recipient cell to create new M. mycoides cells that are controlled only by the synthetic chromosome. The only DNA in the cells is the designed synthetic DNA sequence, including "watermark" sequences and other designed gene deletions and polymorphisms, and mutations acquired during the building process. The new cells have expected phenotypic properties and are capable of continuous self-replication.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Gibson, Daniel G -- Glass, John I -- Lartigue, Carole -- Noskov, Vladimir N -- Chuang, Ray-Yuan -- Algire, Mikkel A -- Benders, Gwynedd A -- Montague, Michael G -- Ma, Li -- Moodie, Monzia M -- Merryman, Chuck -- Vashee, Sanjay -- Krishnakumar, Radha -- Assad-Garcia, Nacyra -- Andrews-Pfannkoch, Cynthia -- Denisova, Evgeniya A -- Young, Lei -- Qi, Zhi-Qing -- Segall-Shapiro, Thomas H -- Calvey, Christopher H -- Parmar, Prashanth P -- Hutchison, Clyde A 3rd -- Smith, Hamilton O -- Venter, J Craig -- New York, N.Y. -- Science. 2010 Jul 2;329(5987):52-6. doi: 10.1126/science.1190719. Epub 2010 May 20.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉The J. Craig Venter Institute, 9704 Medical Center Drive, Rockville, MD 20850, USA.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/20488990" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Bacterial Proteins/analysis ; Base Sequence ; *Bioengineering ; Cloning, Molecular ; DNA, Bacterial/chemical synthesis/genetics ; Escherichia coli/genetics ; Gene Deletion ; Genes, Bacterial ; *Genetic Engineering ; *Genome, Bacterial ; Molecular Sequence Data ; Mycoplasma capricolum/*genetics ; Mycoplasma mycoides/*genetics/growth & development/physiology/ultrastructure ; Phenotype ; Plasmids ; Polymerase Chain Reaction ; Polymorphism, Genetic ; Saccharomyces cerevisiae/genetics ; Transformation, Bacterial
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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