E noʻonoʻo i kahi lā e hiki ai i kahi mahiʻai ke kū i loko o kahi māla, e nalu i kahi mea paʻa lima ma luna o kahi tōmato a ʻike koke i nā pathogens, hiki ke hoʻopakele i nā ola a me nā piliona kālā.
ʻAʻole paha i mamao loa kēlā lā, mahalo i ka noiʻi ʻana e alakaʻi ʻia e ka ʻO Alabama Agricultural Experiment Station ma ke Kulanui ʻo Auburn.
E like me kekahi o nā kulanui 11 i hāʻawi ʻia i nā haʻawina e ka US Oihana Kūʻai no ka hana ʻana i ka noiʻi nanotechnology, ke hana nei nā ʻepekema Auburn e hoʻomaikaʻi i ka nānā ʻana i ka pathogen i loko o ke kaulahao lako meaʻai ma o ka hoʻokumu ʻana i kahi ʻōnaehana hoʻohana i hiki ke ʻike i nā pathogens lawe ʻai meaʻai i ka manawa like, pololei, kumukūʻai kūpono a me ka wikiwiki.
Ua hoʻolaha aku nei ke Kakauolelo ʻo USDA ʻo Tom Vilsack i kahi hoʻopukapuka ʻoi aku ma mua o $ 5.2 miliona ma ka ʻāina e kākoʻo i ka noiʻi e hoʻomaikaʻi i ka palekana o ka meaʻai, hoʻomaikaʻi i nā wahie hou, hoʻonui i nā hua kanu a mālama i nā pests mahiʻai. Ua loaʻa nā makana ma o ka Hoʻomaka ʻImi Mahiʻai a me ka Meaʻai, ka papahana haʻawina hoʻokūkū poʻokela o ka lāhui no nā ʻepekema mahiʻai kumu a hoʻohana ʻia.
He mea kū hoʻokahi ka noiʻi a Auburn ma ka hoʻohana ʻana i nā mea olaola ma mua o ka nanotechnology hana kanaka e hoʻokō ai i kāna mau pahuhopu, wahi a Sang-Jin Suh, hoa polopeka ma Auburn's Department of Biological Sciences.
ʻO Suh kekahi lālā o ka Auburn University Detection and Food Safety Center, a hoʻomaikaʻi ʻo ia i kāna alakaʻi, ʻo Bryan Chin, he kumu loea ʻenehana, me ka hoʻomohala ʻana i ka ʻenehana biosensor i kumu no ka noiʻi.
"ʻO kēia ka mea hou a Kauka Chin, a ua kiʻi ʻo ia i nā poʻe e like me aʻu - he geneticist bacterial - e kōkua i ka hoʻohui ʻana i kēia mau ʻenehana i loko o kahi biosensor e pili ana i nā ʻāpana e hiki ke hoʻohana ʻia e ʻike i nā pathogens meaʻai," wahi a Suh.
ʻO ka manaʻo manaʻo e like me ka 48 miliona ʻAmelika e maʻi i kēlā me kēia makahiki ma muli o nā pathogens a me nā toxins i lawe ʻia i ka meaʻai, e hopena i kahi kokoke i $ 80 biliona kaumaha waiwai. ʻAʻole noʻonoʻo kēia mau manaʻo i nā kumukūʻai i ka ʻoihana meaʻai, me ka hōʻemi ʻana i ka hilinaʻi o ka mea kūʻai aku, hoʻomanaʻo i nā poho a i ʻole ka hihia.
ʻOiai ua maʻa mau ka maʻi ʻino o ka meaʻai a me ka hoʻomanaʻo ʻana i nā meaʻai i hoʻohaumia ʻia, ua ʻike ʻia ka pono o nā ʻōnaehana ʻike pathogen ʻoi aku ka maikaʻi e ʻike ai i ka meaʻai haumia ma mua o ka ʻai ʻia ʻana e ka lehulehu.
"I ka wā e hoʻohaumia ʻia ai ka meaʻai, ʻo ia ka mea maʻamau e lawe i ka FDA, CDC a i ʻole nā lā labs ʻē aʻe a i ʻole nā wiki e hōʻoia i ka hele ʻana o nā pathogens," wahi a Suh. "Hiki i kā mākou ʻenehana ke hana ma lalo o 10 mau minuke.
"I kēia manawa, inā loaʻa kahi maʻi pathogen i lawe ʻia i ka meaʻai, pono lākou e lawe i ka meaʻai i hoʻohaumia ʻia a ulu i ka bacteria mai ia mea, e koi ana i kekahi mau hola a i kekahi mau lā. A laila e ʻike lākou inā kūpono ia i ke ʻano o kahi pathogen i manaʻo ʻia. Hoʻokaʻawale mākou i nā probes i kikoʻī no kēlā pathogen. Inā pili ia i ka probe, a laila ʻike mākou aia ka pathogen. "
Ma waho aʻe o ka lōʻihi o ka manawa i koi ʻia no nā hopena, pono nā ʻōnaehana ʻike pathogen meaʻai i kēia manawa i nā mea kani a me ka hoʻomaʻamaʻa nui no nā limahana.
"ʻO nā ala kaulana ʻelua o ka ʻike ʻana i nā pathogens, ʻokoʻa ma mua o ke ʻano moʻomeheu kuʻuna, pono ke aʻo nui," wahi a Suh. “E koi ana kā mākou ʻano hana i ka hoʻomaʻamaʻa liʻiliʻi. Manaʻo mākou e loaʻa i kēlā me kēia mahiʻai kēia mana, e loaʻa i nā mea kanu hoʻoponopono kēia mana a loaʻa i nā hale kūʻai a me nā hale ʻai kēia mana. Hiki i nā mea kūʻai ke hoʻohana i kēia ʻenehana. "
ʻO ka biosensor he mea nānā paʻa lima e ʻike ai i ka hele ʻana o kahi pathogen meaʻai a hiki i 10 kenimika ka mamao mai ka hāmeʻa.
"E ʻae kēia i ka nānā palekana i ka meaʻai mai ka mahiʻai a i ka papaʻaina," wahi a Suh. "E emi ana ka mea ʻike ma lalo o $500 a hiki ke hoʻopakele i nā piliona kālā a me nā ola he nui."
ʻO kahi pahuhopu o ka noiʻi ʻana a Suh, ʻo ia ka hoʻomohala ʻana i kahi ʻōnaehana e hiki ai i ka ʻike like ʻana o nā pathogens lawe ʻai ʻia i ka manawa maoli, me Salmonella enterica, Escherichia coli a me listeria monocytogenes.
“Ua loaʻa iā mākou ma mua hōʻike i ka pono o kā mākou biosensors no ka ʻike pololei a me ka wikiwiki o nā pathogens pākahi, "wahi a Suh. "Ma kēia noiʻi ʻana, e hoʻomohala mākou i kahi ʻōnaehana multiplex hiki ke ʻike i ka hele ʻana o nā maʻi bacterial maʻamau i lawe ʻia i ka meaʻai.
"Ke hoʻomaikaʻi nei mākou i kā mākou ʻōnaehana i nā haʻawina e hiki mai ana, hiki ke hoʻonui ʻia e hoʻopili i nā maʻi a me nā toxins e lilo i ʻōnaehana ʻike piha no nā pathogens lawe ʻai meaʻai e hoʻomaikaʻi i ka palekana o ka lehulehu."
Ke hui pū nei ka hui noiʻi o Auburn me nā ʻepekema ma nā kula ʻē aʻe e hoʻohana i kēia ʻenehana a me ka manaʻolana e loaʻa ka ʻae FDA no ka hoʻohana nui ʻana i ka wā e hiki mai ana.
- Paul Hollis, Ke Kulanui o Auburn
Source: Auburn University College of Agriculture