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Pulsed field ablation (PFA) is a non-thermal (not using extreme heat or cold) method of biological ablation (removal of structure or functionality) utilizing high-amplitude pulsed (microsecond duration) electric fields to create irreversible electroporation in tissues. [1] [2] It is used most widely to treat tumors or cardiac arrhythmias. [3]
SPS is also used for sintering of carbon nanotubes [11] for development of field electron emission electrodes. Functioning of SPS systems is schematically explained in a video link. [ 12 ] While the term "spark plasma sintering" is commonly used, the term is misleading since neither a spark nor a plasma is present in the process. [ 13 ]
Pulsed-power water treatment is the process of using pulsed, electro-magnetic fields into cooling water to control scaling, biological growth, and corrosion. The process does not require the use of chemicals and helps eliminate environmental and health issues associated with the use and life-cycle management of chemicals used to treat water. [ 1 ]
The original PEMF devices consisted of a Helmholtz coil which generated a magnetic field. The patient's body was placed inside the magnetic field to deliver treatment. Today, the majority of PEMF wellness devices resemble a typical yoga mat in dimensions but are slightly thicker to house several flat spiral coils to produce an even electromagnetic
This leads to the definition of an electric field magnitude threshold for electroporation (E th). That is, only the cells within areas where E≧E th are electroporated. If a second threshold (E ir ) is reached or surpassed, electroporation will compromise the viability of the cells, i.e. , irreversible electroporation (IRE).
Headquartered in Washington, DC, with six regions comprising more than 60 field and home offices, the agency provides mediation and conflict resolution services to industry, government agencies and communities. The headquarters of the Federal Reserve System. The Federal Reserve System (often called "the Fed"), is the central bank of the United ...
The program is the first and only high pulsed field user facility in the United States. The facility provides a wide variety of experimental capabilities to 100 Tesla, using short and long pulse magnets. Power comes from a pulsed power infrastructure which includes a 1.43 gigawatt motor generator and five 64-megawatt power supplies. The 1200 ...
Energy is typically stored as electric potential energy within capacitors, or in the case of explosive pulsed power, as chemical energy.The stored energy is released over a very short time scale resulting in a large amount of power being delivered to a load which can be used to study high energy density physics phenomena such as Inertial confinement fusion using a Z-pinch, and plasma physics ...