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Halloysite nanotubes (HNT) ke li-nanotube tsa letsopa tse etsahalang ka tlhaho tse ka sebelisoang lisebelisoa tse tsoetseng pele ka lebaka la sebopeho sa tsona se se nang letho se se nang letho, sebopeho sa biodegradability, le thepa ea mochini le ea bokaholimo.Leha ho le joalo, ho lokisoa ha li-nanotubes tsena tsa letsopa ho thata ka lebaka la khaello ea mekhoa e tobileng.
 . . .Mokoloto oa setšoantšo: captureandcompose/Shutterstock.com
Tabeng ena, sengoloa se phatlalalitsoeng koranteng ea ACS Applied Nanomaterials se fana ka maikutlo a leano le sebetsang la ho etsa meaho e laetsoeng ea HNT.Ka ho omisa li-dispersions tsa bona tse nang le metsi ka rotor ea makenete, li-nanotubes tsa letsopa li ne li hokahantsoe holim'a karoloana ea khalase.
Ha metsi a fetoha mouoane, ho sisinyeha ha metsi a GNT ho etsa hore ho be le matla a ho kuta holim'a li-nanotubes tsa letsopa, ho etsa hore li lumellane ka mokhoa oa mehele ea ho hōla.Ho ile ha fuputsoa lintlha tse fapaneng tse amang mokhoa oa HNT, ho kenyelletsa mahloriso a HNT, tefiso ea nanotube, mocheso oa ho omisa, boholo ba rotor le molumo oa marotholi.
Ntle le lintlha tsa 'mele, ho hlahlojoa ha electron microscopy (SEM) le polarizing light microscopy (POM) ho sebelisitsoe ho ithuta morphology ea microscopic le birefringence ea mehele ea lehong ea HNT.
Liphetho li bontša hore ha mahloriso a HNT a feta 5 wt%, li-nanotubes tsa letsopa li finyella tlhophiso e phethahetseng, 'me khatello e phahameng ea HNT e eketsa botenya le botenya ba sebopeho sa HNT.
Ho feta moo, mokhoa oa HNT o khothalelitse ho khomarela le ho ata ha lisele tsa mouse fibroblast (L929), tse ileng tsa hlokomeloa hore li ntse li hōla hammoho le ho tsamaisana le letsopa la nanotube ho latela mochine o tsamaisoang ke ho kopana.Ka hona, mokhoa oa hajoale o bonolo le o potlakileng oa ho hokahanya HNT holim'a li-substrates tse tiileng o na le monyetla oa ho hlahisa matrix e arabelang liseleng.
Li-nanoparticles tse nang le lehlakore le le leng (1D) tse kang nanowires, nanotubes, nanofibers, nanorods le nanoribbons ka lebaka la thepa ea tsona e ikhethang ea mechine, ea elektroniki, ea optical, e chesang, ea tlhaho le ea matla.
Halloysite nanotubes (HNTs) ke li-nanotube tsa letsopa tsa tlhaho tse nang le bophara ba ka ntle ba 50-70 nanometers le sebaka se ka hare sa 10-15 nanometers ka mokhoa oa Al2Si2O5(OH)4·nH2O.E 'ngoe ea likarolo tse ikhethang tsa li-nanotubes tsena ke lik'hemik'hale tse fapaneng tsa ka hare / tsa ka ntle (aluminium oxide, Al2O3 / silicon dioxide, SiO2), e lumellang phetoho ea bona e khethiloeng.
Ka lebaka la biocompatibility le chefo e tlase haholo, li-nanotubes tsena tsa letsopa li ka sebelisoa lits'ebetsong tsa biomedical, litlolo le tlhokomelo ea liphoofolo hobane li-nanotubes tsa letsopa li na le nanosafety e ntle haholo litsong tse fapaneng tsa lisele.Li-nanotube tsena tsa letsopa li na le melemo ea theko e tlase, ho fumaneha ka bongata, le phetoho e bonolo ea lik'hemik'hale tse thehiloeng ho silane.
Tataiso ea ho ikopanya e bua ka ts'ebetso ea ho susumetsa chebahalo ea lisele ho latela lipaterone tsa jeometri joalo ka nano/micro grooves holim'a substrate.Ka nts'etsopele ea boenjiniere ba lisele, ts'ebetso ea taolo ea likhokahano e se e sebelisoa haholo ho susumetsa morphology le tlhophiso ea lisele.Leha ho le joalo, ts'ebetso ea bioloji ea taolo ea ho pepeseha e ntse e sa hlaka.
Mosebetsi oa hona joale o bonts'a mokhoa o bonolo oa ho theha sebopeho sa lesale la kholo la HNT.Ts'ebetsong ena, ka mor'a ho sebelisa lerotholi la HNT ho qhalakana ho selaete sa khalase e chitja, lerotholi la HNT le hatelloa pakeng tsa libaka tse peli tse hokahaneng (sesela le rotor ea makenete) hore e be phallo e fetang ka capillary.Ketso e bolokiloe ebile e nolofalitsoe.ho fetoha mouoane oa mokelikeli o mongata pheletsong ea capillary.
Mona, matla a ho kuta a hlahisoang ke rotor ea makenete e potolohang e etsa hore HNT e pheletsong ea capillary e behe sebakeng se thellang ka tsela e nepahetseng.Ha metsi a fetoha mouoane, matla a ho kopana a feta matla a pinning, a sutumelletsa mohala oa ho kopana ho ea bohareng.Ka hona, tlas'a phello ea synergistic ea matla a ho kuta le matla a capillary, ka mor'a hore metsi a fetohe mouoane ka ho feletseng, ho thehoa mokhoa oa sefate sa HNT.
Ho feta moo, liphetho tsa POM li bonts'a hore ho na le birefringence e hlakileng ea sebopeho sa anisotropic HNT, seo litšoantšo tsa SEM li se bolelang ka tatellano e tšoanang ea li-nanotubes tsa letsopa.
Ho feta moo, lisele tsa L929 tse entsoeng ka li-nanotubes tsa letsopa tsa selemo le selemo tse nang le likarolo tse fapaneng tsa HNT li ile tsa hlahlojoa ho latela mochine o tsamaisoang ke ho kopana.Athe, lisele tsa L929 li bontšitse kabo e sa reroang holim'a li-nanotubes tsa letsopa ka mokhoa oa mehele ea kholo e nang le 0.5 wt.% HNT.Meahong ea li-nanotubes tsa letsopa tse nang le motsoako oa NTG oa 5 le 10 wt%, lisele tse telele li fumanoa ka tsela ea li-nanotubes tsa letsopa.
Qetellong, meralo ea lesale la kholo ea HNT ea macroscale e entsoe ka mokhoa o theko e boima le o ncha ho hlophisa nanoparticles ka mokhoa o hlophisehileng.Sebopeho sa sebopeho sa li-nanotubes tsa letsopa se angoa haholo ke mahloriso a HNT, mocheso, tefiso ea bokaholimo, boholo ba rotor le molumo oa marotholi.Maemo a HNT ho tloha ho 5 ho isa ho 10 wt.% a fane ka lihlopha tse laetsoeng haholo tsa li-nanotube tsa letsopa, athe ho 5 wt.% lihlopha tsena li bonts'itse li-frifringence tse nang le mebala e khanyang.
Ho lumellana ha li-nanotubes tsa letsopa ho latela tataiso ea matla a ho kuta ho netefalitsoe ho sebelisoa litšoantšo tsa SEM.Ka keketseho ea mahloriso a NTT, botenya le boima ba ho roala ha NTG lia eketseha.Ka hona, mosebetsi oa hona joale o fana ka mokhoa o bonolo oa ho haha ​​​​meaho ho tloha ho nanoparticles holim'a libaka tse kholo.
Chen Yu, Wu F, He Yu, Feng Yu, Liu M (2022).Mohlala oa "mehele ea sefate" ea halloysite nanotubes e kopantsoeng ke ho ferekana e sebelisoa ho laola ho tsamaisana ha sele.Applied nanomatadium ACS.https://pubs.acs.org/doi/full/10.1021/acsanm.2c03255
Boitlhotlhollo: Maikutlo a hlahisitsoeng mona ke a sengoli ka boemo ba hae, 'me ha a hlile ha a bontše maikutlo a AZoM.com Limited T/A AZoNetwork, mong'a sebaka sena sa marang-rang.Tlhaloso ena ke karolo ea lipehelo tsa tšebeliso ea sebaka sena sa marang-rang.
Bhavna Kaveti ke sengoli sa mahlale ho tsoa Hyderabad, India.O tšoere MSc le MD ho tsoa Setsing sa Theknoloji sa Vellore, India.ka k'hemistri ea manyolo le ea bongaka ho tsoa Univesithing ea Guanajuato, Mexico.Mosebetsi oa hae oa lipatlisiso o amana le nts'etsopele le motsoako oa limolek'hule tsa bioactive tse thehiloeng ho li-heterocycles, 'me o na le phihlelo ea ho kopanya mehato e mengata le ea likarolo tse ngata.Nakong ea lipatlisiso tsa hae tsa bongaka, o sebelitse ho kopanngoeng ha limolek'hule tse fapaneng tsa peptidomimetic tse thehiloeng ho heterocycle tse lebelletsoeng ho ba le monyetla oa ho ntšetsa pele ts'ebetso ea bioloji.Ha a ntse a ngola lipampiri le lipampiri tsa lipatlisiso, o ile a hlahloba lerato la hae la ho ngola le ho buisana ka saense.
Cavity, Buffner.(La 28 Loetse 2022).Li-nanotube tsa halloysite li lengoa ka mokhoa oa "mehele ea selemo" ka mokhoa o bonolo.Azonano.E khutlisitsoe ka la 19 Mphalane 2022 ho tsoa ho https://www.azonano.com/news.aspx?newsID=39733.
Cavity, Buffner."Halloysite nanotubes e holisitsoeng joalo ka 'mehele ea selemo' ka mokhoa o bonolo".Azonano.La 19 Mphalane, 2022.La 19 Mphalane, 2022.
Cavity, Buffner."Halloysite nanotubes e holisitsoeng joalo ka 'mehele ea selemo' ka mokhoa o bonolo".Azonano.https://www.azonano.com/news.aspx?newsID=39733.(Ho tloha ka la 19 Mphalane 2022).
Cavity, Buffner.2022. Halloysite nanotubes e hōlileng ka "mehele ea selemo" ka mokhoa o bonolo.AZoNano, e fihletsoe ka la 19 Mphalane 2022, https://www.azonano.com/news.aspx?newsID=39733.
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