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In medicine, photopheresis (aka extracorporeal photopheresis or ECP) [1] is a form of apheresis and photodynamic therapy in which blood is subject to apheresis to separate buffy coat (WBC + platelets) from whole blood, chemically treated with 8-methoxypsoralen (instilled into a collection bag or given per os in advance), exposed to ultraviolet light (UVA), and then returned to the patient. [2]
The main advantage is a single venipuncture site. It does require a larger extracorporeal volume, and takes significantly longer to perform the procedure via IFC. As such, it is less likely to be used for therapeutic reasons, and is often seen in Donation Center settings. [6]
The applications of photophoresis expand into the various divisions of science, thus physics, chemistry as well as in biology. Photophoresis is applied in particle trapping and levitation, [3] in the field flow fractionation of particles, [4] in the determination of thermal conductivity and temperature of microscopic grains [5] and also in the transport of soot particles in the atmosphere. [6]
It is thus an extracorporeal therapy, a medical procedure performed outside the body. [1] Three general types of plasmapheresis can be distinguished: Autologous, removing blood plasma, treating it in some way, and returning it to the same person, as a therapy. Exchange, a patient's blood plasma is removed, while blood products are given in ...
The researchers then tracked changes in the participant’s weight, diet, and body composition over the course of a year. While everyone lost weight during the study period, the researchers ...
NYPD divers Sunday continued to search the Central Park Boathouse pond for potential clues including the gun used in the slaying of UnitedHealthcare CEO Brian Thompson as cops were still hunting ...
It may take months for the proposals to evolve and work through Congress even under full Republican control. But bond yields continued their recent rise in the wake of Tuesday's results, and ...
Blood irradiation therapy can be administered in three ways: extracorporeally, transcutaneously, and intravenously. The extracorporeal (outside the body) method removes blood from the body and irradiates it in a special cuvette (tube). This method is used for the ultraviolet (UV) blood irradiation (UVBI) by UV lamps.