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

Hiki ke hoʻokaʻawale ʻia nā colloids ma o ka centrifugation

Nā Colloids: He Nānā Kokoke i nā ʻAno Centrifugation a me ka Hoʻokaʻawale ʻana

Hoʻolauna:

He hui nui a hoihoi nā colloids o nā mea i loaʻa i nā mea kūlohelohe a me nā mea synthetic like ʻole. ʻO kēia mau hui ʻana he mau ʻāpana i hoʻopuehu ʻia i loko o kahi medium hoʻomau, e hana ana i kahi hopena paʻa a like hoʻi. ʻOiai ko lākou ʻano like, ua hōʻoia ʻia nā colloids he paʻakikī loa i ke ʻano o ko lākou hoʻokaʻawale ʻana a me ka hoʻokaʻawale ʻana.

Ma kēia ʻatikala, e luʻu mākou i loko o ke ao o nā colloids, e kālele ana i ka pono o ka centrifugation ma ke ʻano he ʻenehana hoʻokaʻawale. E ʻimi mākou pehea e hiki ai ke hoʻokaʻawale ʻia nā colloids me ka hoʻohana ʻana i nā centrifuges, nā loina ma hope o ke kaʻina hana, a e hoʻomālamalama i ke koʻikoʻi o ka hoʻomaopopo ʻana i nā waiwai colloidal no nā ʻoihana e like me nā lāʻau lapaʻau, ka meaʻai, a me nā ʻepekema kaiapuni.

I. Ke Hoʻomaopopo ʻana i nā Colloids a me ko lākou mau ʻAno:

Ma mua o ke komo ʻana i nā ʻano hana hoʻokaʻawale, he mea nui e hoʻomaopopo i ke ʻano o nā colloids. ʻO nā ʻāpana colloidal ma ke ʻano nui e hāʻule i ʻekolu mau māhele: nā mea paʻa i hoʻopuehu ʻia i loko o ka wai, ka wai i hoʻopuehu ʻia i loko o ka wai, a me ke kinoea i hoʻopuehu ʻia i loko o ka wai. ʻO ka hiʻohiʻona hiʻona o nā colloids ko lākou nui, maʻamau mai 1 nanometer a 1 micrometer ke anawaena.

Hōʻike nā ʻōnaehana colloidal i nā waiwai kūikawā ma muli o ka ʻili nui a me nā ikaika interfacial ma waena o nā ʻāpana a me ke kaiapuni a puni. ʻO nā mea e like me ka neʻe ʻana o Brownian, nā ikaika Van der Waals, a me ka repulsion electrostatic e hoʻopilikia nui i ko lākou kūpaʻa, reactivity, a me ke ʻano hoʻokaʻawale.

II. Ke Kuleana o ka Centrifugation i ka Hoʻokaʻawale ʻana o Colloid:

1. Centrifugation: He ʻIkepili o ke ʻAno Hana

ʻO ka centrifugation kahi ʻenehana hoʻokaʻawale i hoʻohana nui ʻia e hoʻohana ana i ka ikaika centrifugal e hoʻokaʻawale i nā mea ma muli o ko lākou nui a me ko lākou nui. Ma ka milo ʻana i kahi hāpana ma nā wikiwiki kiʻekiʻe, e waiho ana nā ʻāpana kaumaha i lalo ʻoiai e waiho mau ana nā ʻāpana māmā a i ʻole e hana i nā papa like ʻole.

2. Ke hoʻokaʻawale ʻana i nā ʻāpana Colloidal a me nā ʻāpana i hoʻokuʻu ʻia

ʻO nā colloids a me nā ʻāpana i hoʻokuʻu ʻia, i kuhihewa pinepine ʻia kekahi i kekahi, pono nā ʻano centrifugation like ʻole no ka hoʻokaʻawale holomua. ʻOi aku ka nui o nā ʻāpana i hoʻokuʻu ʻia a hiki ke hoʻokaʻawale maʻalahi ma o nā ʻano hoʻokaʻawale paʻa-wai kuʻuna. Ma ka ʻaoʻao ʻē aʻe, pono nā colloids i ka hoʻomaikaʻi pono ʻana i nā ʻano centrifugation ma muli o ko lākou liʻiliʻi a me ke kūpaʻa.

III. Nā ʻenehana Centrifugation no ka hoʻokaʻawale ʻana i ke Colloid:

1. ʻO ka Centrifugation ʻokoʻa: Nā kumu kumu

ʻO ka centrifugation ʻokoʻa e pili ana i kahi moʻo o nā milo kaʻina ma nā wikiwiki e hoʻonui ana e hoʻokaʻawale i nā ʻāpana ma ka nui. Ma ka hoʻoponopono ʻana i ka lōʻihi a me ka wikiwiki o kēlā me kēia milo, hiki ke hoʻokaʻawale ʻia nā ʻāpana colloidal liʻiliʻi mai nā haumia a i ʻole nā ​​​​mea nui.

2. Ultracentrifugation: Ke ʻeli hohonu nei

He ʻenehana ikaika ka Ultracentrifugation i hoʻohana ʻia e hoʻokaʻawale i nā ʻāpana liʻiliʻi ma mua o nā mea i hoʻokō ʻia ma o ka centrifugation differential. Ma nā wikiwiki kiʻekiʻe loa, ʻoi aku ka nui ma mua o 100,000 mau hoʻololi i kēlā me kēia minuke, hiki i nā ultracentrifuges ke hoʻokaʻawale i nā ʻāpana colloidal ma muli o ko lākou density, a laila e alakaʻi ana i kahi kaʻina hana hoʻokaʻawale kūpono.

IV. Nā Kumu e Hoʻopilikia ana i ka Pono o ka Centrifugation:

1. Ka Hoʻolaha ʻana o ka Nui o nā ʻĀpana

Hoʻopilikia nui ka hoʻolaha ʻana o ka nui o nā ʻāpana i loko o nā ʻōnaehana colloidal i ka pono o ka centrifugation. He mea maikaʻi nā hoʻolaha nui haiki no ka mea e hōʻemi ana i ka hoʻopilikia ma waena o nā ʻāpana like ʻole ka nui, e hopena ana i ka hoʻokaʻawale ʻoi aku ka maʻemaʻe.

2. pH a me ka ikaika Ionic

Hoʻopili ka pH a me ka ikaika ionic o ka ʻōnaehana colloidal i ke kūpaʻa a me ka launa pū ʻana ma waena o nā ʻāpana. ʻO ka kaohi pono ʻana i kēia mau palena hiki ke hōʻemi i ka hōʻuluʻulu ʻana a paipai i ka hoʻokaʻawale maikaʻi ʻana i ka wā o ka centrifugation.

V. Nā Hoʻohana Kūpono a me nā Manaʻo no ka Wā E Hiki Mai Ana:

1. Nā lāʻau lapaʻau a me Biotechnology

He kuleana koʻikoʻi ko ka centrifugation i ka ʻoihana lāʻau lapaʻau, e ʻae ana i ka hoʻokaʻawale ʻana a me ka hoʻomaʻemaʻe ʻana i nā protein, nā nanoparticles, a me nā ʻāpana colloidal ʻē aʻe. Kōkua kēia ʻenehana i ka hoʻomaikaʻi ʻana i nā ʻōnaehana lawe lāʻau, ka hoʻokumu ʻana i nā hoʻomaha paʻa, a me ka hoʻomohala ʻana i nā lāʻau lapaʻau hou.

2. ʻOihana Meaʻai a me Mea Inu

Loaʻa i ka centrifugation nā hoʻohana he nui i ka ʻoihana meaʻai a me ka mea inu, e like me ka hoʻomālamalama ʻana i nā wai, ka hoʻokaʻawale ʻana i ka kirīmi waiū, a me ka unuhi ʻana i ka ʻaila mai nā hua. ʻO ka hoʻokaʻawale colloidal maikaʻi e hiki ai ke hana i nā huahana kiʻekiʻe a hōʻemi i ka hoʻonele ʻana.

Hopena:

Aia nā colloids i nā wahi a pau i ko kākou ola o kēlā me kēia lā, a he mea nui ko lākou hoʻokaʻawale ʻana ma o ka centrifugation no nā ʻano ʻoihana like ʻole. ʻO ka hoʻomaopopo ʻana i nā kumumanaʻo ma hope o ke kūpaʻa colloidal, ka hoʻopili ʻana i nā ʻano hana centrifugation kūpono, a me ka noʻonoʻo ʻana i nā mea hoʻohuli like ʻole he mea nui ia no ka hoʻokaʻawale kūleʻa.

I ka holomua ʻana o ka ʻenehana, hiki iā mākou ke manaʻo i ka hoʻomohala ʻana o nā ʻano centrifugation hou, e hoʻomaikaʻi ana i ka pono a me ke ʻano kikoʻī o nā ʻano hoʻokaʻawale. Ke hoʻomau nei ka noiʻi colloidal i ke ala no ka holomua ʻana ma nā ʻano he nui, e hoʻohiki ana i kahi wā e hiki mai ana no nā ʻoihana e hilinaʻi nei i nā ʻano hoʻokaʻawale kūpono.

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