Oghere ọnụ bụ microecosystem dị mgbagwoju anya nwere ihe karịrị ụdị nje 23,000 na-achị ya.N'ọnọdụ ụfọdụ, nje bacteria ndị a nwere ike ịkpata ọrịa ọnụ na ọbụna na-emetụta ahụike zuru oke. Otú ọ dị, iji ọgwụ nje mee ihe na-enye nsogbu dị iche iche, gụnyere mmebi ọgwụ ngwa ngwa, ntọhapụ, na mmepe nke ọgwụ nje. N'ime afọ ndị na-adịbeghị anya, ihe nyocha a na-elekwasị anya abanyela n'ịmepụta ihe ndị nwere mgbagwoju anya nwere ezigbo ihe mgbochi na-eji nanomaterials. Ugbu a, a na-ejikarị nanosilver ion na-emepụta ihe na-egbu egbu na ihe nje antibacterial dabeere na graphene n'ahịa.N'isiokwu a, anyị ga-ewebata graphene antibacterial usoro na ngwa n'ime ụlọ ọrụ brushes.
Graphene bụ carbon nanomaterial nwere akụkụ abụọ nwere atom carbon nke ahaziri n'ime lattice hexagonal nwere sp2 hybridized orbitals.Mwepụta ya gụnyere graphene (G), graphene oxide (GO), na mbelata graphene oxide (rGO). Ha nwere pụrụ iche atọ akụkụ elu chemical Ọdịdị na nkọ anụ ahụ n'ọnụ Ọdịdị.Research egosila pụtara ìhè antibacterial Njirimara na biocompatibility nke graphene nakwa dị ka ya mmepụta. Ọzọkwa, ha na-eje ozi dị ka ndị kasị mma na-ebu maka antimicrobial agents, na-eme ka ha bụrụ ndị na-ekwe nkwa nke ukwuu maka ngwa dị iche iche na onu ogwu ubi.
Uru nkegraphene antibacterial ihe
- Nchekwa na Enyi na gburugburu ebe obibi, anaghị egbu egbu: Iji nanosilver ogologo oge nwere ike iwelite nchegbu nchekwa n'ihinwere ike mkpokọta na mbugharị. Ọlaọcha dị elu nwere ike imerụ mmadụ na anụ mamma, n'ihi na ọ nwere ike banye mitochondria, embrayo, imeju, sistem ọbara na akụkụ ahụ ndị ọzọ site na iku ume. Nnyocha egosiwo na ụmụ irighiri ihe nanosilver na-egosipụta nsi siri ike ma e jiri ya tụnyere ihe ndị ọzọ na-emepụta ígwè dị ka aluminom na ọla edo. N'ihi ya, European Union na-ejigide kpachara anya banyere itinye ihe na-egbochi nje nanosilver.Na ntule ndịicheIhe mgbochi nje ndị dabeere na graphene na-eji ọtụtụ usoro ịgba ọgwụ mgbochi anụ ahụ, dị ka "nano-knives." Ha nwere ike ibibi kpamkpam ma gbochie uto njena-enweghị ihe ọ bụla chemical toxicity. Ihe ndị a na-ejikọta ya na ihe ndị na-emepụta ihe na-enweghị ihe ọ bụla, iji hụ na yaenweghị ihe ndọpụ ma ọ bụ mbugharị. Nchekwa na nkwụsi ike nke ihe ndị dabeere na graphene na-ekwe nkwa nke ọma. Dịka ọmụmaatụ, na ngwa ngwaahịa bara uru, ihe nkiri / akpa nchekwa nri PE (polyethylene) nke graphene enwetala asambodo maka nnabata ọkwa nri dịka Iwu (EU) 2020/1245 si dị na European Union.
- Nkwụsi ike ogologo oge: Ihe ndị dabeere na Graphene na-egosipụta nkwụsi ike na ịdịte aka dị elu, na-enyemmetụta antimicrobial na-adịte aka karịa afọ 10. Nke a na-eme ka akụrụngwa ọgwụ nje ha na-adị irè n'ime ogologo oge iji, na-eme ka ha dabara maka ngwa ogologo oge na ngwaahịa ịdị ọcha ọnụ.
- Biocompatibility na Nchekwa:Graphene, dị ka ihe nwere carbon nke nwere akụkụ abụọ, na-egosipụta ezigbo ihe ndakọrịta na nchekwa. Ọ dakọtara na ihe dị iche iche dabere na resin na enwere ike iji ya na ngwaahịa nlekọta ọnụ n'enweghị nsogbu ọ bụla na anụ ahụ ọnụ ma ọ bụ ahụike zuru oke.
- Ọrụ Broad-Spectrum:Ihe ndị dabere na Graphene na-egosipụta ọrụ antimicrobial dị obosara,nwere ike ịche ụdị nje bacteria dị iche iche, gụnyere ma ụdị gram-positive na gram-adịghị mma. Ha egosila99.9% nke antibacterial.megide Escherichia coli, Staphylococcus aureus, na Candida albicans. Nke a na-eme ka ha dị iche iche ma tinye ya n'ọrụ n'ọnọdụ ahụike ọnụ dị iche iche.
graphene antibacterial usoro bụ dị ka ndị a:
Usoro antibacterial nke grapheneOtu ndị otu mba ụwa na-arụkọ ọrụ ọnụ amụbaala nke ọma. Gụnyere ndị na-eme nchọpụta si na Chinese Academy of Sciences, IBM Watson Research Center, na Columbia University. Ha enweela ọganihu dị ukwuu n'ịmụ usoro molekụla nke mmekọrịta dị n'etiti graphene na akpụkpọ anụ nje bacteria. E bipụtala akwụkwọ akụkọ ọhụrụ banyere isiokwu a n'akwụkwọ akụkọ "Nature Nanotechnology."
Dị ka nchọpụta otu ahụ si kwuo, graphene nwere ikike ịkpaghasị akpụkpọ ahụ nke nje bacteria, na-eduga na mwepu nke ihe intracellular na ọnwụ nje. Nchọpụta a na-egosi na graphene nwere ike ịrụ ọrụ dị ka "ọgwụ nje" anụ ahụ na-adịghị eguzogide ọgwụ. Ọmụmụ ihe a gara n'ihu na-ekpughe na ọ bụghị nanị na graphene na-etinye onwe ya n'ime akpụkpọ ahụ nke nje bacteria, na-eme ka ọkpụkpụ, ma na-ewepụkwa ụmụ irighiri phospholipid ozugbo na akpụkpọ ahụ, si otú ahụ na-akpaghasị nhazi akpụkpọ ahụ ma na-egbu nje bacteria. Nnwale microscopy eletrọn ewepụtala ihe akaebe doro anya nke nnukwu ihe arụrụ arụ na sel nje bacteria mgbe ya na graphene oxidized mekọrịtachara, na-akwado mgbako usoro. Ihe omume nke mmịpụta molekul lipid na mmebi akpụkpọ ahụ na-enye usoro mkpụrụ ndụ ọhụrụ maka ịghọta cytotoxicity na ọrụ antibacterial nke nanomaterials. Ọ ga-emekwa ka nyocha ndị ọzọ na-emetụta ndụ ndụ nke graphene nanomaterials na ngwa ha na biomedicine.
Ngwa antibacterial graphene na ụlọ ọrụ brọsh eze:
N'ihi uru ndị dị n'elu nke ihe mejupụtara graphene, usoro nje antibacterial graphene na ngwa adọtala mmasị dị ukwuu site n'aka ndị nchọpụta na ndị ọkachamara na ụlọ ọrụ ndị metụtara ya.
Graphene antibacterial ezé ezé, ewebata yaOtu MARBON, na-eji bristles emebere nke ọma sitere na ihe graphene nanocomposite. Ya mere, ọ nwere ike igbochi uto na mmepụta nke nje bacteria n'ụzọ dị irè, si otú ahụ belata ihe ize ndụ nke ọrịa ọnụ.
Bristles dị nro ma na-agbanwe agbanwe, na-enye ohere maka nhicha dị nro nke ezé na chịngọm ka ọ na-echebe enamel na chịngọm ahụ ike. Ahịhịa eze na-egosipụtakwa nhazi aka ergonomic nke na-enye njide dị mma na ojiji dị mma.
Anyị kwenyesiri ike na brọsh eze na-egbu nje a ga-ewepụta ahụmịhe nlekọta ọnụ pụrụ iche. Ọ nwere ike wepụ ihe ncheta eze na irighiri nri nke ọma. Na mgbakwunye, ọ na-enye nchebe antibacterial na-adịte aka, na-eme ka oghere ọnụ gị nọgide na-adị ọhụrụ ma dị mma.
Mmechi:
Brushes antibacterial nke graphene na-anọchite anya ọganihu kachasị ọhụrụ na ntinye nke ihe graphene n'ubi antibacterial. Site n'ikike ha buru ibu, a na-ahazi brọsh eze antibacterial graphene ka ọ gbanwee nlekọta ọnụ, na-enye ndị mmadụ ahụike ahụike na ahụike ọnụ. Ka nyocha ihe graphene na-aga n'ihu, brọsh eze antibacterial graphene ga-arụ ọrụ na-abawanye ụba n'ịkwalite ahụike na ịdị mma ọnụ.
Oge nzipu: Mee-02-2024