Izimiso zokucabanga kwe-PhotoAcoustic

Izimiso zokucabanga kwe-PhotoAcoustic

I-PhotoAcoustic imaging (Pai) iyindlela yokucabanga yezokwelapha ehlanganisaama-opticskanye ne-acoustics ukukhiqiza amasiginali e-ultrasonic usebenzisa ukuxhumana kwe-mhlophengezicubu ukuthola izithombe zezicubu eziphezulu. Kusetshenziswa kabanzi emasimini e-biomedical, ikakhulukazi ekutholweni kwesimila, ukucabanga kwemithambo, ukucabanga kwesikhumba kanye nezinye izinkambu.

Isimiso:
1. Ukufakwa kokukhanya kanye nokunwetshwa kwe-thermal: - Ukulingiswa kwe-PhotoAcoustic kusebenzisa umphumela we-thermal okhiqizwa ukumuncwa kokukhanya. Ama-molecule we-pigment ezicubu (isib. Hemoglobin, uMelanin) amunca ama-photons (ngokuvamile asondele kukhanye), aguqulwe abe amandla okushisa, okwenza ukuthi amazinga okushisa asekhaya akhuphuke.
2. Ukunwetshwa kwe-thermal kubangela i-ultrasound:
3. Ukutholwa kwe-Ultrasonic: - Amagagasi akhiqizwayo e-ultrasonic asakazeka ngaphakathi kwezicubu, futhi lezi zimpawu zitholwa ngemuva kwalokho futhi ziqoshwe izinzwa ze-ultrasonic (njengezinketho ze-ultrasonic).
I-4. Ukwakhiwa kabusha kwesithombe: Isiginali eqoqiwe ye-ultrasonic ibalwa futhi icutshungulwe ukwakha kabusha isakhiwo kanye nesithombe somsebenzi sezicubu, esinganikeza izici zokutholwa kwezicubu. Izinzuzo ze-PhotoAcoustic imaging: Ukuphambene kakhulu: Ukucabanga kwePhotocoustic kuncike ezifweni zokufakwa kokukhanya kwezicubu, nezicubu ezahlukahlukene (njengegazi, amafutha, izicubu, izicubu, izithombe ezihlukile. Ukulungiswa okuphezulu: Ukusebenzisa ukulungiswa kwendawo okuphezulu kwe-ultrasound, ukucabanga kwe-PhotoAcoustic kungafinyelela amamilimitha noma ukunemba kweminyaka engaphansi kweminyaka. Okungahlangene: Ukucabanga kwePhotocoustic akuhlaseli, ukukhanya nomsindo ngeke kubangele ukulimala kwezicubu, kulungele kakhulu ukuxilongwa komuntu. Amandla okucabanga okujulile: uma kuqhathaniswa nokucabanga kwendabuko kwendabuko, ukucabanga kwe-PhotoAcoustic kungangena kumasentimitha amaningana ngaphansi kwesikhumba, esilungele ukucabanga kwezicubu ezijulile.

Isicelo:
1. Ukulingisa kwe-vascular: - Ukucabanga kwe-PhotoAcoustic kungabona izakhiwo ezithathe ukukhanya kwe-hemoglobin egazini, ngakho-ke kungabonisa ngokunembile ukwakheka kanye nesimo se-oxygenight yemithambo yegazi yokuqapha i-microcincurication kanye nokwahlulela izifo.
2 Ukutholwa kwe-Tumula: - I-Angiogenesis izicubu zomtabe imvamisa imvamisa, futhi ukucabanga kwe-Photoacoustic kungasiza ukutholwa kusenesikhathi kokuthola amathumbu ngokuthola ama-abnoralities esakhiweni semithambo.
3. Ukucabanga okusebenzayo: - Ukulingiswa kwe-PhotoAcoustic kungahlola ukuhlinzekwa kwezicubu ze-oksijini ngokuthola i-oxygenation kanye ne-deoxyhemoglobin ezicubu ezifuywayo, okubaluleke kakhulu ekuhlolweni kwezifo ezinjenge-Cancer and Cardiovascular Isifo.
4. Ukucabanga kwesikhumba: - Ngoba ukucabanga kwe-PhotoAcoustic kuzwela kakhulu izicubu ezingejwayelekile, kufanelekile ukuthola umdlavuza wesikhumba kanye nokuhlaziywa kwezikhundla zesikhumba.
I-5. Ukulingiswa kobuchopho: ukucabanga kwe-PhotoAcoustic kungathola imininingwane yokugeleza kwegazi le-cerebral ngendlela engahlaseli yokufunda kwezifo zobuchopho ezinjengenhlangothi kanye nesithwalo.

Izinselelo nezinkomba zokuthuthuka ze-PhotoAcoustic imaging:
Umthombo OkhanyayoUkukhetha okulula kwama-wavelength ahlukene kwehlukile, Ungakukhetha kanjani ukulungiswa kwe-wavengeth okulinganiselwe kanye nokujula kokungena kuyinselele. Ukucutshungulwa kwesiginali: Ukutholwa kanye nokucutshungulwa kwezimpawu ze-ultrasonic kudinga ama-algorithms aphezulu futhi anembile, kanye nokuthuthukiswa kobuchwepheshe bokwakha kabusha isithombe kubalulekile. Ukulingisa okuningi

I-PhotoAcoustic imaging i-biomedical imaging technology entsha futhi ehlukahlukene enezimpawu zokuqhathanisa okuphezulu, ukulungiswa okuphezulu nokungahlaseli. Ngokuthuthukiswa kobuchwepheshe, ukucabanga kwe-PhotoAstic kunamathemba wohlelo lokusebenza abanzi bokuxilongwa kwezokwelapha, ucwaningo lwe-biology oluyisisekelo, ukuthuthukiswa kwezidakamizwa kanye nezinye izinkambu.