A cikin wani binciken da aka buga kwanan nan da aka buga a cikin rahoton ilimin kimiyya, bincike mai girma da roba playmonic conces ta amfani da polydimethylSilhane (Pdms).
Bincike: Ruwan tabarau na tuntuɓar jini mai nau'i-nau'i biyu don daidaita launi.
Anan, ƙirar asali mara tsada don gyara makanta mai launin ja-kore an ƙirƙira kuma an gwada ta bisa ƙaramin nanolithography.
Ana samun tsinkayen launi na ɗan adam daga ƙwayoyin photoreceptor masu siffar mazugi guda uku, dogayen (L), matsakaici (M), da gajerun mazugi (S), waɗanda ke da mahimmanci don ganin sautunan ja, kore, da shuɗi, tare da mafi girman hankali na 430. , 530 da 560 nm, bi da bi.
Makantar launi, wanda kuma aka sani da rashi hangen nesa (CVD), cuta ce ta ido da ke hana ganowa da fassarar launuka daban-daban ta sel photoreceptor guda uku waɗanda ke aiki a cikin hangen nesa na yau da kullun kuma suna aiki daidai da maxima. zama mai takura ko kwayoyin halitta, yana faruwa ne ta hanyar asara ko lahani a cikin sel photoreceptor mazugi.
Zane-zane na tsarin ƙirƙira na ruwan tabarau na tushen PDMS da aka tsara, (b) hotuna na ruwan tabarau na tushen PDMS, da (c) nutsar da ruwan tabarau na tushen PDMS a cikin HAuCl4 3H2O maganin zinari don lokuta daban-daban na shiryawa .© Roostaei, N. da Hamidi, SM (2022)
Dichroism yana faruwa lokacin da ɗaya daga cikin nau'ikan tantanin halitta na mazugi guda uku ba ya nan;kuma an rarraba shi azaman proteophthalmia (babu masu ɗaukar hoto na jajayen mazugi), deuteranopia (babu masu ɗaukar hoto na mazugi na kore), ko makanta mai launi na trichromatic (rashin masu ɗaukar hoto mai shuɗi).
Monochromaticity, mafi ƙarancin nau'in makanta mai launi, yana bayyana ta rashin aƙalla nau'ikan tantanin halitta na mazugi biyu.
Monochromatics ko dai makafi ne gaba ɗaya (makafi) ko kuma suna da masu ɗaukar hoto mai mazugi mai shuɗi. Nau'in na uku na ɓarna trichromacy yana faruwa idan ɗaya daga cikin nau'ikan tantanin halitta na mazugi ya lalace.
Aberrant trichromacy ya kasu kashi uku bisa ga nau'in lahani na mazugi na mazugi: deuteranomaly (mai lahani koren mazugi photoreceptors), protanomaly (jajayen mazugi na hoto mai lahani), da kuma tritanomaly (lalacewar shuɗi mai hoto mai hoto) sel photoreceptor).
Protans (protanomaly da protanopia) da deutans (deuteranomaly da deuteranopia), wanda aka fi sani da protanopia, sune mafi yawan nau'in makanta mai launi.
Protanomaly, ƙwanƙolin ƙwanƙwasa kololuwar ƙwayoyin mazugi na jajayen mazugi suna canza launin shuɗi, yayin da maxima na ƙwayoyin mazugi na koren mazugi suna ja-jajaye.Saboda rikice-rikice na ban mamaki na kore da ja photoreceptors, marasa lafiya ba za su iya bambanta launuka daban-daban ba.
Zane-zane na tsarin ƙirƙira na tushen PDMS na tushen 2D ruwan tabarau na plasmonic da aka tsara, da (b) ainihin hoton 2D mai sassauƙa na ruwan tabarau. © Roostaei, N. da Hamidi, SM (2022)
Duk da yake akwai aiki mai yawa mai mahimmanci wajen haɓaka jiyya mara kyau don makanta launi dangane da hanyoyi da yawa na likita don wannan yanayin, manyan gyare-gyaren salon rayuwa sun kasance muhawara mai zurfi.Gene far, gilashin tinted, ruwan tabarau, tacewa na gani, gilashin optoelectronic, da kayan haɓakawa akan. kwamfuta da na'urorin tafi-da-gidanka batutuwa ne da aka yi nazari a baya.
Gilashin da aka ɗora tare da masu tace launi an yi bincike sosai kuma sun bayyana suna da yawa don maganin CVD.
Duk da yake waɗannan gilashin suna samun nasara wajen haɓaka fahimtar launi ga masu launin launi, suna da rashin amfani kamar farashi mai yawa, nauyi mai nauyi da girma, da rashin haɗin kai tare da wasu gilashin gyarawa.
Don gyaran CVD, ruwan tabarau na tuntuɓar da aka haɓaka ta amfani da sinadarai pigments, plasmonic metasurfaces, da plasmonic nanoscale particles an bincika kwanan nan.
Koyaya, waɗannan ruwan tabarau na tuntuɓar suna fuskantar cikas da yawa, gami da rashin daidaituwar halittu, iyakancewar amfani, rashin kwanciyar hankali, farashi mai girma, da tsarin samarwa masu rikitarwa.
Aikin yanzu yana ba da izinin bincike mai girma da na zamani da na zamani dangane da gyaran launi, tare da makanta na musamman akan makanta na musamman.
PDMS wani nau'in halitta ne, mai sassauƙa da bayyanannen polymer wanda za'a iya amfani dashi don yin ruwan tabarau na lamba.Wannan abu mara lahani kuma mai jituwa ya samo nau'ikan amfani a cikin masana'antar halitta, likitanci da sinadarai.
A cikin wannan aikin, 2D biocompatible da na roba plasmonic lenses na PDMS, waɗanda ba su da tsada kuma masu sauƙi don ƙira, an haɓaka su ta amfani da tsarin lithography mai sauƙi na nanoscale, kuma an gwada gyara deuteron.
Ana yin ruwan tabarau daga PDMS, hypoallergenic, marasa haɗari, na roba da kuma polymer m.Wannan ruwan tabarau na plasmonic, dangane da abin da ya faru na plasmonic surface lattice resonance (SLR), za a iya amfani dashi azaman mai kyau mai launi mai launi don gyara deuteron anomalies.
Gilashin ruwan tabarau da aka tsara suna da kyawawan kaddarorin kamar karko, haɓakawa da haɓakawa, yana sa su dace da aikace-aikacen gyaran makanta na launi.
Lokacin aikawa: Juni-23-2022
