Boka rekutsvakurudza rinotungamirirwa naProf. XUE Tian naProf MA Yuqian vanobva kuYunivhesiti yeScience neTechnology yeChina (USTC), pamwe chete nemapoka akawanda ekutsvakurudza, vakabudirira kuita kuti munhu ari pedyo-infrared (NIR) agone kuona ruvara rwemavara kuburikidza neupconversion contact lenses (UCLs). Chidzidzo ichi chakaburitswa online muCell muna Chivabvu 22, 2025 (EST), uye chakaratidzwa mukuburitswa kweNhau na.Cell Press.
Muchisikigo, masaisai emagetsi anotambanuka zvakasiyana-siyana zvewavelengths, asi ziso remunhu rinokwanisa kuona chikamu chidiki chete chinozivikanwa sechiedza chinooneka, zvichiita kuti chiedza cheNIR chipfuure kumucheto mutsvuku we spectrum zvisingaonekwe kwatiri.
Fig1. Electromagnetic waves uye inooneka light spectrum (Mufananidzo kubva kuchikwata chaProf. XUE)
Muna 2019, chikwata chinotungamirwa naProf. XUE Tian, MA Yuqian, naHAN Gang vakawana pundutso nekubaya jekiseni rekushandura nanomaterials mumaretinas emhuka, zvichiita kuti kuve nekutanga-kushama-ziso-ziso kugona kuona kweNIR mumhuka dzinoyamwisa. Nekudaro, nekuda kwekushomeka kwekushandisa kwejekiseni reintravitreal muvanhu, dambudziko guru rehunyanzvi uhu nderekugonesa kuona kwevanhu kwechiedza cheNIR kuburikidza nenzira dzisiri dzekushandisa.
Malensi akapfava akapfava akagadzirwa nemapolymer composites anopa mhinduro inopfekeka, asi kugadzira maUCL kunotarisana nematambudziko maviri makuru: kuwana hunyanzvi hwekushandura, izvo zvinoda yakakwirira upconversion nanoparticles (UCNPs) doping, uye kuchengetedza kujeka kwakanyanya. Nekudaro, kubatanidza nanoparticles mumapolymers zvinoshandura maitiro avo ekuona, zvichiita kuti zviome kuyera kudzikamisa nekujeka kwemaziso.
Kuburikidza nekugadziriswa kwepamusoro kweUCNPs uye kuongororwa kwerefractive-index-matched polymeric materials, vatsvakurudzi vakagadzira maUCLs vachiwana 7-9% yeUCNP yekubatanidza vachichengetedza pamusoro pe90% pachena mune inooneka spectrum. Uyezve, UCLs yakaratidza zvinogutsa optical performance, hydrophilicity, uye biocompatibility, nemigumisiro yekuedza inoratidza kuti zvose zviri zviviri zvemurine nevatakuri vevanhu vaisagona kungoona chiedza cheNIR asiwo kusiyanisa nguva dzayo dzenguva.
Zvinotonyanya kushamisa, timu yekutsvagisa yakagadzira inopfekeka yegirazi sisitimu yakabatanidzwa neUCLs uye yakagadziridzwa yekuona yekufungidzira kuti ikunde muganhu wekuti maUCL akajairwa anongopa vashandisi maonero akaomarara emifananidzo yeNIR. Kufambira mberi uku kunoita kuti vashandisi vaone mifananidzo yeNIR ine spatial resolution inofananidzwa neinooneka chiedza chiono, zvichibvumira kucherechedzwa kwakaringana kwemaitiro akaomarara eNIR.
Kuenderera mberi nekutarisana nekuvapo kwakapararira kwechiedza cheNIR yakawanda munzvimbo dzechisikigo, vaongorori vakatsiva echinyakare UCNPs netrichromatic UCNPs kugadzira trichromatic upconversion contact lenses (tUCLs), iyo yaigonesa vashandisi kusiyanisa matatu akasiyana eNIR marefu uye kuona yakakura NIR ruvara spectrum. Nekubatanidza ruzivo rweruvara, rwenguva, uye nzvimbo, tUCLs inobvumira kunyatsozivikanwa kweakawanda-dimensional NIR-encoded data, ichipa yakagadziridzwa spectral selectivity uye anti-kupindira masimba.
Fig2. Kutaridzika kwemavara emhando dzakasiyana-siyana (yekutevedzera magirazi ekuratidzira ane akasiyana anoratidza spectra) pasi pekuvhenekera uye NIR kuvhenekerwa, sekuonekwa kuburikidza neinopfeka yegirazi system yakabatanidzwa netUCLs. (Mufananidzo kubva kuchikwata chaProf. XUE)
Fig3. UCLs inogonesa kuona kwevanhu kweNIR mwenje mune zvenguva, nzvimbo, uye chromatic zviyero. (Mufananidzo kubva kuchikwata chaProf. XUE)
Chidzidzo ichi, chakaratidza mhinduro inopfekeka yekuona kweNIR muvanhu kuburikidza neUCLs, yakapa humbowo hwepfungwa yeNIR ruvara rwekuona uye yakavhura maapplication anovimbisa mukuchengetedzeka, anti-yekunyepedzera, uye kurapwa kwekushomeka kwemavara.
Pepa link:https://doi.org/10.1016/j.cell.2025.04.019
(Yakanyorwa naXU Yehong, SHEN Xinyi, Yakagadziriswa naZHAO Zheqian)
Nguva yekutumira: Jun-07-2025