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Meeting MS&T23: Materials Science & Technology
Symposium Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
Presentation Title Inhibition of Biofilm Formation on Glass Specimens when Subjected to AC Electromagnetic Fields of 20 kHz to 30 kHz
Author(s) Hideyuki Kanematsu, Dana M. Barry, Natsu Aoyama, Hidekazu Miura, Akiko Ogawa, Risa Kawai, Takeshi Kogo, Nobumitsu Hirai, Toshio Kamijo, Takehito Kato, Michiko Yoshitake
On-Site Speaker (Planned) Hideyuki Kanematsu
Abstract Scope Biofilms have caused many industrial problems as well as daily lives. We have investigated the application possibility of alternating electromagnetic fields to the control of biofilms. Comparing other countermeasures, for example, the utilization of biocides, this method might lead to the environmental non-destructive controlling way. Using various materials’ specimens and frequency conditions, we have got exciting results so far. Through these studies, we gradually understood that the combination of the type of bacteria, the kind of material, and the conditions of the electromagnetic field (especially the frequency range) changes the circumstances of the onset of the biofilm suppression effect. This study applied a relatively high frequency (20,30 kHz) to the biofilm for quantitative evaluation using the staining method. The surface of the samples was analyzed by Raman spectroscopy using a laser Raman spectrometer to confirm the presence of Biofilms on the surface.


Effects of Heat Treatment under External Magnetic Field on Microstructure and Mechanical Properties of Ferritic/Martensitic Steels
Effects on Aluminum Alloys During Heat Treatment in a Magnetic Field
High-speed Synchrotron X-ray Imaging of Microstructural Refinement Mechanisms During Ultrasonic Melt Processing in Metal Additive Manufacturing
Inhibition of Biofilm Formation on Glass Specimens when Subjected to AC Electromagnetic Fields of 20 kHz to 30 kHz
Microstructure Evolution and Property Enhancement of 3D-printed Graphene via Cold Rolling
Microwave Sintering for Lunar Base Construction
Microwave Synthesis of Cobalt Ferrite-reduced Graphene Oxide Composites
N-6: Improving Reliability of Ultrasonic Fatigue Testing through Comparative Analysis of Conventional and Ultrasonic Fatigue Tests on SS400 Material
N-7: Research on Green Laser Welding Process and Monitoring Technologies for Manufacturing Parts of Electric Vehicles
Post-processing of Irradiated FeCrAl by Electron Wind Force
Reviewing a Unified Phenomenological Comprehension on Non-thermal Effects in Microwave-assisted Materials Processing
The Role and Characterization of the Native Oxide Shell of Copper Metal Powder Spherical Particles During High Frequency Microwave Processing
Ultrasonic Vibration Acoustic Softening Effect on AISI 1018 Low-Carbon Steel

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