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Hana ʻoihana o ka mea hoʻokaʻawale centrifuge a me ka mea hana mīkini lāʻau lapaʻau - Zonelink

hiki ke hoʻokaʻawale i nā ʻāpana colloid i hoʻopuehu ʻia i loko o kahi centrifuge

Hiki ke hoʻokaʻawale ʻia nā ʻāpana colloid i hoʻopuehu ʻia i loko o kahi centrifuge?

Hoʻolauna:

He ʻano kū hoʻokahi nā colloids o ka mea kahi e hoʻopuehu like ʻia ai nā ʻāpana ma loko o kahi medium, e hana ana i kahi hui paʻa. ʻO nā hiʻohiʻona o nā colloids e komo pū me ka gelatin, ka waiū, a me ka kirīmi whipped. Hiki ke paʻakikī ka hoʻokaʻawale ʻana i nā ʻāpana colloid i hoʻopuehu ʻia mai ka medium ma muli o ko lākou liʻiliʻi a me ka hoʻolaha like ʻana. Ma kēia ʻatikala, e ʻimi mākou inā hiki i ka centrifugation ke hoʻokaʻawale pono i nā ʻāpana colloid i hoʻopuehu ʻia a kūkākūkā i kona mau palena a me nā noi hiki.

Ke Hoʻomaopopo nei i nā ʻĀpana Colloid:

ʻOkoʻa ka nui o nā ʻāpana colloid mai nā nanometer a i nā micrometer. Aia lākou i loko o kahi kūlana hoʻopuehu ʻia, e mālama ana i kahi kaulike paʻa ma muli o nā mana huki a me nā mana hoʻokuke e hana ana ma waena o lākou. Pale kēia mau mana i nā ʻāpana mai ka noho kūlohelohe ʻana. ʻOiai hiki i ka umekaumaha ke hoʻoulu i kahi kaʻawale hapa i ka hala ʻana o ka manawa, ʻaʻole paha ia he mea kūpono no nā kaʻina hana ʻoihana kahi he mea nui ka manawa.

Ke Kuleana o kahi Centrifuge:

He mea hana hoʻokolohua ka centrifuge e hoʻohana ana i ka ikaika centrifugal e hoʻokaʻawale i nā ʻāpana ma muli o ko lākou nui, ke ʻano, a me ka nui. Ma ka milo ʻana i nā wikiwiki kiʻekiʻe, hoʻohālike ka centrifuge i kahi ikaika umekaumaha ikaika loa ma mua o ka umekaumaha o ka Honua, e ʻae ana i ka hoʻokaʻawale wikiwiki ʻana o nā ʻāpana. Akā hiki i kahi centrifuge ke hoʻokaʻawale pono i nā ʻāpana colloid i hoʻopuehu ʻia?

ʻAno hana centrifugation

Ke waiho ʻia kahi hui colloid i loko o kahi centrifuge, hoʻomaka ia e milo wikiwiki. Hana ka ikaika centrifugal i waho a hana i kahi gradient kaomi i loko o ka hui. Hoʻokuke kēia gradient kaomi i nā ʻāpana i hoʻopuehu ʻia i ka lihi o waho o ka paipu centrifuge, e alakaʻi ana i ka sedimentation. Hoʻokumu ʻia nā gradients wikiwiki i loko o ka laʻana, e hoʻoulu ana i nā ʻāpana nui e noho wikiwiki ma mua o nā ʻāpana liʻiliʻi.

Nā Palena o ka Centrifugation

ʻOiai he ʻano hana ikaika ka centrifugation no ka hoʻokaʻawale ʻana i nā ʻāpana, he mau palena kona i ka wā e pili ana i nā ʻāpana colloid i hoʻopuehu ʻia. ʻO ke keakea nui ka liʻiliʻi o kēia mau ʻāpana. Ma muli o ko lākou mau ana liʻiliʻi, lilo ka neʻe ʻana o Brownian i mea nui, e hoʻoulu ai i nā ʻāpana e noho lōʻihi a hoʻemi i ka pono o ka sedimentation. Eia kekahi, hiki i nā uku electrostatic ma nā ʻili o nā ʻāpana ke pale i ka hōʻuluʻulu ʻana a me ka hoʻonohonoho ʻana.

Ke lanakila nei i nā pilikia

I mea e lanakila ai i nā pilikia e pili ana i ka hoʻokaʻawale ʻana i nā ʻāpana colloid i hoʻopuehu ʻia, ua ʻimi nā mea noiʻi i nā hoʻololi like ʻole i nā ʻano hana centrifugation kuʻuna. ʻO kekahi ala e pili ana i ka hoʻohui ʻana i nā coagulants a i ʻole flocculants e hoʻolaha i ka hōʻuluʻulu ʻana o nā ʻāpana, e hoʻomaikaʻi ana i ke kaʻina hana sedimentation. ʻO kekahi ala ʻē aʻe ka hoʻohana ʻana i ka ultracentrifugation, e hoʻohana ana i nā wikiwiki kiʻekiʻe a me nā hoʻolālā rotor holomua e hoʻoulu i nā ikaika centrifugal ikaika.

Nā ʻenehana Centrifugation i hoʻonui ʻia

Ma waho aʻe o nā coagulants a me ka ultracentrifugation, ua hoʻomohala nā kānaka ʻepekema i nā ʻano hana ʻē aʻe e hoʻoikaika i ka hoʻokaʻawale ʻana o nā ʻāpana colloid i hoʻopuehu ʻia. ʻO nā mea hana Microfluidic, no ka laʻana, hoʻohana i nā microchannels a me nā mana centrifugal e hoʻomaʻamaʻa i ke kaʻina hana hoʻokaʻawale ʻāpana. Hoʻokumu nā kahawai i hana pono ʻia i ke kahe laminar, e hoʻokaʻawale ana i nā ʻāpana colloidal mai ka medium me ka ʻoi aku ka maikaʻi.

Nā Noi ʻOihana

He kuleana koʻikoʻi ka centrifugation i nā ʻano hana like ʻole. I ka ʻoihana meaʻai a me ka mea inu, kōkua ia i ka hoʻokaʻawale ʻana i nā haumia a i ʻole nā ​​​​​​mea paʻa mai nā wai, e hōʻoiaʻiʻo ana i ka maikaʻi o ka huahana. Hilinaʻi nā ʻoihana lāʻau lapaʻau i ka centrifugation e hoʻomaʻemaʻe a hoʻokaʻawale i nā ʻāpana i makemake ʻia i ka wā o ka hoʻomohala ʻana i ka lāʻau. Eia kekahi, hoʻohana nā hale hana hoʻomaʻemaʻe wai ʻino i nā centrifuges e wehe pono i nā mea paʻa i hoʻokuʻu ʻia a me nā mea haumia ʻē aʻe mai ka wai, e hāʻawi ana i nā wahi maʻemaʻe.

Hopena:

ʻOiai ʻo nā ʻāpana colloid i hoʻopuehu ʻia he mau pilikia i ka centrifugation, ua holomua nui nā mea noiʻi i ka hoʻomohala ʻana i nā ʻenehana e hoʻomaikaʻi i ko lākou hoʻokaʻawale ʻana. ʻO ka hoʻololi ʻana i nā centrifuges kuʻuna, ka hoʻokomo ʻana i nā coagulants, a me ka ʻimi ʻana i nā mea hana microfluidic he mau laʻana wale nō ia o nā holomua e hana ʻia nei. Ma ka hoʻomaopopo ʻana i nā palena a me ka ʻimi ʻana i nā hoʻolālā hou, hiki i nā kānaka ʻepekema ke wehe i ka hiki piha o ka centrifugation no ka hoʻokaʻawale ʻana i nā ʻāpana colloid i hoʻopuehu ʻia, e hoʻololi ana i nā ʻoihana like ʻole i ke kaʻina hana.

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