Ultrasonic imaging of biofilms utilizing echoes from the biofilm/air interface

Ultrasonic imaging of biofilms in water is difficult due to the very low contrast in acoustic impedance between the biofilm and water. In this paper, biofilms exposed to moist air are scanned through the substrate in order to obtain echoes from the biofilm/air interface. A 50 MHz scanning system was...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2006-01, Vol.53 (1), p.185-192
Hauptverfasser:	Holmes, A.K., Laybourn-Parry, J., Parry, J.D., Unwin, M.E., Challis, R.E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic impedance Acoustics Air Algorithms Bacteria - isolation & purification Biofilms Biological and medical sciences Biosensors Biotechnology Catheters Colony Count, Microbial - methods Echoes Exact sciences and technology Ferroelectric films Film thickness Fourier transforms Fundamental and applied biological sciences. Psychology Fundamental areas of phenomenology (including applications) General equipment and techniques Image Interpretation, Computer-Assisted - methods Imaging Impedance Instruments, apparatus, components and techniques common to several branches of physics and astronomy Methods. Procedures. Technologies Optical films Physics Substrates Surface acoustic waves Surface topography Thickness measurement Topography Transducers Ultrasonic imaging Ultrasonic testing Ultrasonics, quantum acoustics, and physical effects of sound Ultrasonography - methods Ultrasonography, Doppler, Pulsed - methods Various methods and equipments Water
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