Hangarau Nano i roto i te Rongoā
Kua hurihia e te hangarau nano ngā momo mara pūtaiao, tae atu ki ngā rongoā. Me ngā matūriki he rau mano ngā wā he iti iho i te diameter o te makawe tangata, ka whakatuwherahia e te hangarau nano te kuaha ki ngā auahatanga kāore i whakaarohia i mua. I roto i te mara rongoā, he nui te kaha o te hangarau nano ki te whakarei ake i te whai huatanga o te rongoā, te whakaiti i ngā pānga taha , me te whakarato otinga ki ngā wero hauora uaua. Ka tūhuratia e tēnei tuhinga ngā āhuatanga rerekē o te tono a te hangarau nano i roto i ngā rongoā, mai i te whakawhanaketanga rongoā ki te tātaritanga hauora.
Te Whakawhanaketanga Rongoā me te Nanotechnology
Ko tētahi o ngā whakamahinga matua o te nanotechnology i roto i ngā mahi rongoā ko te whakawhanaketanga o ngā rongoā e ahu mai ana i te nanoparticle. Ka taea e ngā nanoparticle te awe i ngā āhuatanga pharmacokinetic me te pharmacodynamic o ngā rongoā, pērā i te mimiti, te tohatoha, te pākia o te tinana, me te tukunga atu, ā, ka piki ake te whai huatanga o te rongoā. Hei tauira, ka taea te arotahi tika ake i ngā rongoā mate pukupuku kua whakauruhia ki roto i ngā nanoparticle, ka tukuna tika te matū hohe ki ngā pūtau mate pukupuku, ka whakaiti i te kino ki ngā kiko hauora.
Ko ētahi momo matūriki nano e whakamahia whānuitia ana i roto i te whanaketanga rongoā ko ngā liposomes, ngā dendrimers, me ngā nanoparticles polymeric. Ka taea e ngā liposomes, arā, ngā hanganga vesicular i hangaia mai i te paparanga lipid, te tiaki i ngā kai hohe mai i te pirau i mua i te taenga ki tā rātou whāinga. Ko ngā dendrimers, he rite ki ngā rākau maha-manga, he nui te kaha kawenga me te kaha ki te whakarerekē matū. I taua wā, ka taea te hanga i ngā nanoparticles polymeric me te whakarerekē motuhake kia tutuki ai ngā hiahia motuhake.
Te Whakatairanga Taaru Whakatau
Ko te kaha ki te tuku rongoā ki ngā wāhi ūnga tētahi o ngā painga matua o te nanotechnology i roto i ngā mahi rongoā. Mā te whakamahi i ngā matūriki nano, ka taea te hanga rongoā hei karo i te pūnaha ārai mate me te whakarei ake i te urunga ki roto i ngā pūtau ūnga. He nui te kaha o tēnei huarahi, e mōhiotia ana ko te "tuku rongoā ūnga," ki te rongoā i ngā mate mau tonu pērā i te mate pukupuku, te HIV, me ngā mate neurodegenerative.
Ka taea te whakamahi i ngā matūriki nano me ngā ligands e motuhake ana ki ngā kaiwhakawhiwhi i runga i te mata o ngā pūtau ūnga. Hei tauira, mā te whakamahi i ngā paturopi hei ligands ka taea e ngā matūriki nano te kite me te here ki ngā pūtau matepukupuku motuhake. Nō reira, ka taea te tuku tika i te rongoā kua whakakīia ki roto i ngā pūtau matepukupuku, ka whakaiti i te kino ki ngā pūtau hauora me te whakaiti i ngā pānga taha.
Te Tātaritanga me te Whakaahua
Haunga tōna tūranga hei taputapu tuku rongoā, he wāhi nui anō hoki tā te nanotechnology i roto i te whanaketanga o ngā taputapu tātaritanga me te whakaahua. Ka taea te whakamahi i ngā matūriki nano kua mahihia hei kimi i ngā ngota tohu mate i te wā tōmua, hei whakapai ake i te tika o te tātaritanga me te whakaiti i te hiahia mō ngā tikanga whakaeke.
Ko tētahi tauira o te whakamahinga o ngā matūriki nano i roto i te whakaahua ko te whakamahinga o ngā ira quantum, arā, ngā matūriki nano semiconductor e tuku ana i te mārama i ngā kaha rerekē ina whakamāramahia. Ka taea te whakarerekē i ngā ira quantum hei tautuhi i ngā ngota tohu koiora motuhake, pērā i ngā pūmua i hangaia e ngā pūtau matepukupuku, e āhei ai te kite wawe me te aroturuki i te whanaketanga o te matepukupuku.
Ko ngā matūriki nano Ferrite, kei roto nei te waikura rino, e whakamahia pinepinetia ana i roto i te whakaahua aukume (MRI). Mā te whakahaere i ngā papa aukume, ka taea e ēnei matūriki nano te whakaputa i te rerekētanga ahua pai ake, hei āwhina i ngā tākuta ki te tautuhi me te kimi i ngā pukupuku me te tika ake.
Hangarau Nano i roto i te Whakaora Ira
He huarahi hou te rongoā ira e whai ana ki te whakatika, ki te whakakapi rānei i ngā ira hapa. Ka tukuna e te hangarau nano he pūnaha tuku whai hua mō ngā rauemi ira, pērā i te DNA, te RNA, te CRISPR-Cas9 rānei. Hei tauira, ka taea te whakamahi i ngā matūriki lipid hei whakakī i ngā rauemi ira, hei tiaki i a ia mai i te pirau me te whakahaere i tōna urunga ki roto i ngā pūtau ūnga.
Ko tētahi whanaketanga nui i roto i tēnei mara ko te whanaketanga o ngā matūriki nano e hangai ana ki te liposome, kua whakamahia nei i roto i te rongoā ira e hangai ana ki te RNA iti e pokanoa ana (siRNA) hei rongoā i ngā momo āhuatanga ira. Mā te hangarau nano ka taea te tuku i te siRNA ki ngā pūtau ūnga, ka pehi i te whakaaturanga o ngā ira motuhake e pā ana ki te mate, ka whakaiti i te tūponotanga o ngā pānga taha.
Te Ture me te Haumarutanga
Ahakoa te nui o te pūmanawa o te nanotechnology i roto i ngā rongoā, kei te mau tonu ngā wero mō te haumaru me ngā ture. Me arotake marie ngā matūriki nano e whakamahia ana i roto i ngā rongoā me ngā tātaritanga kia kore ai e pā kino ki te tinana tangata. Me whai ture pakari kia tutuki ai ngā paerewa haumaru me te whai hua o ngā hua nanotechnology i mua i te urunga ki te mākete.
Kua whakawhanakehia e ngā tari whakahaere pēnei i te Food and Drug Administration (FDA) me te European Medicines Agency (EMA) he aratohu motuhake mō te aromatawai i ngā hua e ahu mai ana i te nanotechnology. Kei roto i ēnei ko te aromatawai i ngā mōrearea paitini, te hototahitanga koiora, me te pumau o te hua. Me whakauru hoki ki ngā whakamātautau haumanu he tātaritanga roa hei whakarite kia kore ai e pā kino ki te hauora te whakamahinga o te nanoparticle.
Auahatanga me te Anamata o te Hangarau Nano Rongoā
Kei te tere haere tonu ngā whanaketanga o te nanotechnology i roto i ngā rongoā. Kei te rapu tonu ngā rangahau me ngā mahi auaha i tēnei mara i ngā huarahi hei whakapai ake i te kounga o te oranga o ngā tūroro. Hei tauira, kei te whakawhanakehia ngā bio-nanosensors mō te aroturuki hauora i te wā tūturu, e āhei ai te kite wawe i ngā huringa pathophysiological i roto i te tinana, me te whakarato urupare maimoatanga tere me te tika.
I roto i te ao rongoā whaiaro, ka taea e te nanotechnology te whakawhanake i ngā maimoatanga e hāngai ana ki te āhua ira o te tangata. Ka taea e tēnei te whakapai ake i te whai huatanga o te maimoatanga me te whakaiti i te mōrearea o ngā pānga taha . Hei whakamutunga, ko te tirohanga a meake nei mō te nanotechnology rongoā ko te waihanga i ngā otinga maimoatanga haumaru ake, whai hua ake, me te whai hua ake mā te huarahi whakauru me te whaiaro ake.
Whakamutunga
Kua huakina e te hangarau nano ngā pae hou i roto i te ao rongoā, e kawe mai ana i ngā auahatanga e āhei ai te whakawhanake i ngā rongoā whai hua ake, ngā tikanga tuku rongoā e aro nui ake ana, me ngā taputapu tātaritanga tika ake. Mā te whakamahi i te hangarau nano, kāore e taea te wikitoria i ngā wero hauora uaua. Heoi, he mea nui tonu ngā āhuatanga haumaru me ngā ture kia noho haumaru ai, kia whai hua ai hoki ngā hua hangarau nano mō te whakamahinga a te tangata. He tino whai hua te heke mai o te hangarau nano i roto i ngā rongoā, me te rangahau me te auahatanga tonu e aro ana ki te iriti i te kaha mō ngā maimoatanga pai ake me te whaiaro ake.
