Kwiminyaka yakutshanje, iteknoloji ye-nano-drug iteknoloji entsha eyaziwayo kwi-teknoloji yokulungiselela iziyobisi. Izidakamizwa ze-Nano ezifana ne-nanoparticles, ibhola okanye i-nano capsule i-nanoparticles njengenkqubo yokuthwala, kunye nokusebenza kweengqungquthela ngendlela ethile kunye emva kokuba iyeza, nayo inokwenziwa ngokuthe ngqo kwi-processing yobugcisa be-nanoparticles.
Xa kuthelekiswa neziyobisi eziqhelekileyo, i-nano-drugs ineenzuzo ezininzi ezingenakulinganiswa neziyobisi eziqhelekileyo:
Ichiza lokukhululwa kancinci, ukutshintsha isiqingatha sobomi bechiza emzimbeni, ukwandisa ixesha lesenzo sechiza;
Ilungu elithile ekujoliswe kulo lingafikelelwa emva kokuba lenziwe ichiza elikhokelwayo;
Ukunciphisa umthamo, ukunciphisa okanye ukuphelisa umphumo wecala eliyingozi phantsi kwesiseko sokuqinisekisa ukusebenza kakuhle;
I-membrane yothutho lwe-membrane itshintshiwe ukuze inyuse ukunyanzeliswa kweyeza kwi-biofilm, enenzuzo kwi-chiza yokufunxa i-transdermal kunye nokudlala ukusebenza kweziyobisi.
Ke kwezo mfuno ngoncedo lomthwali wokuhambisa amachiza kwiithagethi ezithile, ukunika indima yonyango ngokwemigaqo ye-nanodrugs, uyilo lomthwali wokuphucula ukusebenza kokujoliswa kweziyobisi kubalulekile.
Kutshanje i-bulletin yeendaba yathi iyunivesiti ye-wales entsha yasezantsi, e-Australia, abaphandi baqulunqa indlela entsha, inokutshintsha imilo ye-nano carrier carrier, oku kuya kunceda ukuthuthwa kwamachiza okulwa nomhlaza akhutshwe kwi-tumor, ukuphucula umphumo weziyobisi ezichasene nomhlaza.
Iimolekyuli zePolymer kwisisombululo zinokuqulunqwa ngokuzenzekelayo i-vesicle hollow spherical structure yepolymer, ineenzuzo zozinzo oluqinileyo, iyantlukwano esebenzayo isetyenziswa ngokubanzi njengomphathi weziyobisi, kodwa, ngokuchaseneyo, njengebhaktheriya kunye nentsholongwane kwindalo iityhubhu, iintonga, kunye nezakhiwo zebhayoloji ezingekho ngqukuva zinokungena lula emzimbeni. Ngenxa yokuba ii-polymer vesicles zinzima ukwenza ulwakhiwo olungekho ngqukuva, oku kuthintela ukukwazi kwepolymer ukuhambisa amayeza kwindawo yawo emzimbeni womntu ukuya kwinqanaba elithile.
Abaphandi baseOstreliya basebenzisa i-cryoelectron microscopy ukujonga utshintsho lwesakhiwo seemolekyuli zepolymer kwisisombululo. Bafumanisa ukuba ngokuguqula ubungakanani bamanzi kwi-solvent, imilo kunye nobukhulu be-polymer vesicles inokulungiswa ngokutshintsha ubungakanani bamanzi kwi-solvent.
Umbhali okhokelayo kwizifundo kunye neYunivesithi yeNew South Wales Iziko leKhemistry yepine parr sol, uthe: "Olu gqatso luthetha ukuba sinokuvelisa imilo ye-polymer vesicle inokutshintsha ngokusingqongileyo, njenge-oval okanye i-tubular, kunye nephakheji yeziyobisi kuyo." Ubungqina bokuqala bubonisa ukuba i-nano-drug carriers yendalo engaphezulu, engekho-spherical iyakwazi ukungena kwiiseli zethumba.
Uphando lupapashwe kwi-intanethi kumcimbi wamva nje wejenali yonxibelelwano lwendalo.
Ixesha lokuposa: Jul-04-2022