Nā loina o ke kiʻi photoacoustic

Nā loina o ke kiʻi photoacoustic

ʻO ka Photoacoustic Imaging (PAI) kahi ʻenehana kiʻi lāʻau e hui pū aiopticsa me nā acoustics e hana i nā hōʻailona kani ultrasonic me ka hoʻohana ʻana i ka pilina omāmāme ke kiko e kiʻi i nā kiʻi kiko kiʻekiʻe. Hoʻohana nui ʻia ia i nā kahua biomedical, ʻoi aku ka nui o ka ʻike ʻana i ka tumo, ke kiʻi vascular, ka ʻili ʻili a me nā māla ʻē aʻe.

Kumu:
1. Hoʻomoʻa māmā a me ka hoʻonui wela: - Hoʻohana ke kiʻi kiʻi Photoacoustic i ka hopena wela i hana ʻia e ka absorption māmā. ʻO nā molekala puaʻa i loko o ka ʻiʻo (e laʻa, hemoglobin, melanin) e hoʻopaʻa i nā kiʻi (maʻamau kokoke i ke kukui infrared), i hoʻololi ʻia i ikehu wela, e piʻi ai ka mahana o ka wahi.
2. ʻO ka hoʻonui wela ke kumu o ka ultrasound: – ʻO ka piʻi ʻana o ka wela ke alakaʻi i kahi hoʻonui wela liʻiliʻi o ka ʻiʻo, kahi e hoʻopuka ai i nā nalu kaomi (ʻo ia hoʻi ka ultrasound).
3. Ka ʻike kani ultrasonic: – Hoʻolaha nā hawewe kani ultrasonic i loko o ka ʻiʻo, a loaʻa kēia mau hōʻailona ma hope a hoʻopaʻa ʻia e nā mea ʻike kani ultrasonic (e like me nā probes ultrasonic).
4. Hoʻoponopono kiʻi: ua helu ʻia ka hōʻailona ultrasonic i hōʻiliʻili ʻia e kūkulu hou i ke ʻano a me ke kiʻi hana o ka ʻiʻo, hiki ke hāʻawi i nā hiʻohiʻona optical absorption o ke kiko. Nā pōmaikaʻi o ke kiʻi photoacoustic: Kūlike kiʻekiʻe: Ke hilinaʻi nei ke kiʻi kiʻi kiʻi kiʻi i nā hiʻohiʻona absorption māmā o nā ʻiʻo, a ʻo nā ʻiʻo like ʻole (e like me ke koko, momona, ʻiʻo, a me nā mea ʻē aʻe) loaʻa nā mana like ʻole e komo i ka mālamalama, no laila hiki iā ia ke hāʻawi i nā kiʻi ʻokoʻa kiʻekiʻe. Hoʻoholo kiʻekiʻe: Ke hoʻohana nei i ka hoʻonā kiʻekiʻe spatial o ultrasound, hiki i ke kiʻi kiʻi photoacoustic ke loaʻa i ka millimeter a i ʻole sub-millimeter imaging pololei. Non-invasive: Photoacoustic imaging is non-invasive, māmā a me ke kani ʻaʻole e hoʻopōʻino i ke kino, kūpono loa no ka maʻi maʻi kanaka. Hiki ke kiʻi kiʻi hohonu: Ke hoʻohālikelike ʻia me ke kiʻi optical kuʻuna, hiki i ke kiʻi photoacoustic ke komo i kekahi mau kenimika ma lalo o ka ʻili, kahi kūpono no ke kiʻi ʻiʻo hohonu.

Noi:
1. ʻO ke kiʻi vascular: - Hiki i ke kiʻi kiʻi kiʻi kiʻi ke ʻike i nā waiwai e hoʻomālamalama i ka hemoglobin i loko o ke koko, no laila hiki iā ia ke hōʻike pololei i ke ʻano a me ke kūlana oxygenation o nā kīʻaha koko no ka nānā ʻana i ka microcirculation a me ka hoʻokolokolo ʻana i nā maʻi.
2. Ka ʻike ʻana i ka puʻupuʻu: – He nui loa ka angiogenesis i loko o nā ʻiʻo ʻiʻo, a hiki i ke kiʻi photoacoustic ke kōkua i ka ʻike mua ʻana i nā maʻi maʻi ma o ka ʻike ʻana i nā mea ʻino i loko o ke ʻano vascular.
3. Kiʻi hana: - Hiki i ke kiʻi photoacoustic ke nānā i ka hāʻawi ʻana i ka oxygen o nā kiko ma ka ʻike ʻana i ka neʻe o ka oxygenation a me ka deoxyhemoglobin i loko o nā ʻiʻo, he mea nui ia no ka nānā ʻana i nā maʻi e like me ke kanesa a me ka maʻi cardiovascular.
4. Kiʻi ʻili: – No ka mea paʻakikī loa ke kiʻi photoacoustic i ka ʻiʻo superficial, kūpono ia no ka ʻike mua ʻana i ka maʻi maʻi ʻili a me ka nānā ʻana i nā mea ʻino o ka ʻili.
5. ʻO ke kiʻi lolo: Hiki i ke kiʻi kiʻi photoacoustic ke loaʻa i ka ʻike kahe koko cerebral ma ke ʻano non-invasive no ke aʻo ʻana i nā maʻi lolo e like me ka hahau a me ka epilepsy.

Nā pilikia a me ka hoʻomohala ʻana o ke kiʻi photoacoustic:
Puna māmākoho: ʻOkoʻa ke komo ʻana o ka māmā o nā nalu ʻokoʻa, pehea e koho ai i ka hoʻonā kaulike o ka nalu kūpono a me ka hohonu o ke komo ʻana he mea paʻakikī. ʻO ka hana hōʻailona: ʻO ka loaʻa ʻana a me ka hana ʻana o nā hōʻailona kani ultrasonic e koi i nā algorithms kiʻekiʻe a me ka pololei, a he mea koʻikoʻi hoʻi ka hoʻomohala ʻana i ka ʻenehana hoʻoponopono kiʻi. Ke kiʻi multimodal: Hiki ke hoʻohui ʻia ke kiʻi kiʻi photoacoustic me nā ʻano hana kiʻi ʻē aʻe (e like me MRI, CT, ultrasound imaging) e hāʻawi i ka ʻike biomedical piha.

ʻO ke kiʻi kiʻi kiʻi kiʻi he mea hou a me ka nui o ka ʻenehana biomedical imaging, nona nā hiʻohiʻona o ka ʻokoʻa kiʻekiʻe, ka hoʻonā kiʻekiʻe a me ka non-invasive. Me ka hoʻomohala ʻana o ka ʻenehana, loaʻa i ka photoacoustic imaging nā manaʻo noiʻi ākea i ka maʻi lapaʻau, ka noiʻi biology kumu, ka hoʻomohala ʻana i ka lāʻau a me nā ʻano ʻē aʻe.