I-Ultrasound yi-elastic mechanical wave kwi-medium material.Luhlobo lwamaza.Ngoko ke, ingasetyenziselwa ukufumanisa ulwazi lwe-physiological kunye ne-pathological yomzimba womntu, oko kukuthi, i-diagnostic ultrasound.Ngexesha elifanayo, kwakhona ifom yamandla.Xa umthamo othile we-ultrasound usasazeka kwizinto eziphilayo, ngokusebenzisana kwabo, kunokubangela utshintsho kumsebenzi kunye nesakhiwo sezinto eziphilayo, oko kukuthi, i-ultrasonic biological effect.

Iimpembelelo ze-ultrasound kwiiseli ikakhulu ziquka i-thermal effect, i-cavitation effect kunye nefuthe lomatshini.Umphumo we-thermal kukuba xa i-ultrasound isasaza phakathi, i-friction ithintela ukunyakaza kwe-molecular okubangelwa yi-ultrasound kwaye iguqule inxalenye yamandla ekushiseni okuphezulu kwendawo (42-43 ℃).Ngenxa yokuba iqondo lobushushu elibulalayo lenyama eqhelekileyo liyi-45.7 ℃, kwaye uvakalelo lwezicubu ze-Liu ezidumbileyo luphezulu kunolo lwenyama eqhelekileyo, inkqubo yemetabolism yeeseli ze-Liu ezidumbileyo ichaphazeleka kobu bushushu, kwaye kuchaphazeleke ukudibana kwe-DNA, i-RNA kunye neprotein. , Ngaloo ndlela ukubulala iiseli zomhlaza ngaphandle kokuchaphazela izicubu eziqhelekileyo.

I-Cavitation effect kukubunjwa kwe-vacuoles kwizinto eziphilayo phantsi kwe-ultrasonic irradiation.Ngokushukuma kweevacuoles kunye nogqabhuko-dubulo lwazo olunobundlobongela, uxinzelelo lwe-chear ngoomatshini kunye nesiphithiphithi ziye zibekho, ezikhokelela ekudumbeni ukopha kwe-Liu, ukuqhekeka kwezicubu kunye ne-necrosis.

Ukongezelela, xa i-bubble ye-cavitation iphuka, ivelisa ubushushu obuphezulu ngokukhawuleza (malunga ne-5000 ℃) kunye noxinzelelo oluphezulu (ukuya kwi-500 ℃) × 104pa), enokuthi i-thermal idibanise umphunga wamanzi ukuvelisa.OH radical kwaye.H athom.I-redox reaction ebangelwa.OH radical kwaye.I-athomu ye-H inokukhokelela ekuthotyweni kwepolymer, ukungasebenzi kwe-enzyme, i-lipid peroxidation kunye nokubulawa kweeseli.