释义 |
photophoresis
photophoresis (ˌfəʊtəʊfəˈriːsɪs) n (General Physics) physics the move away from a strong light source by previously suspended particles in a gas
photophoresis
photophoresis[‚fōd·ə·fə′rē·səs] (physics) Production of unidirectional motion in a collection of very fine particles, suspended in a gas or falling in a vacuum, by a powerful beam of light. photophoresis
ex·tra·cor·po·re·al pho·to·pho·re·sisdestruction of cells separated from blood in an extracorporeal flow system by ultraviolet activation of chemotherapeutic agents such as psoralens.photophoresis (fo-to-for-e'sis) A technique used in treating cutaneous T-cell lymphoma. It incorporates exposure of a lymphocyte-enriched blood fraction, obtained by use of apheresis to ultraviolet A light after the patient has ingested the cytotoxic agent 8-methoxypsoralen. Synonym: extracorporeal photochemotherapy |