Peb siv cov ncuav qab zib los txhim kho koj cov kev paub dhau los.Los ntawm kev txuas ntxiv mus rau qhov chaw no koj pom zoo rau peb siv cov ncuav qab zib.Ntau cov ntaub ntawv.
Tshaj tawm hauv phau ntawv xov xwm Additive Manufacturing, ib pab neeg tshawb fawb los ntawm Manipal Lub Tsev Kawm Ntawv Qib Siab hauv Is Nrias teb qhia txog kev txhim kho 3D luam tawm tus kheej-wetting tiv thaiv lo ntsiab muag.Tam sim no nyob rau theem ua ntej validation, kev tshawb fawb muaj qhov cuam tshuam tseem ceeb rau kev txhim kho ntawm cov khoom siv kho mob tom ntej no hu ua lens-based.
Ntse Tiv Thaiv Lenses
Kawm: Tus kheej-Wetting Contact Lenses Siv Capillary Flow.Image credit: Kichigin/Shutterstock.com
Cov tshuaj tiv thaiv kab mob feem ntau yog siv los kho qhov muag pom thiab muaj qhov zoo ntawm kev hnav yooj yim dua li cov tsom iav. Tsis tas li ntawd, lawv muaj kev siv tshuaj pleev ib ce, vim qee cov neeg pom lawv zoo nkauj dua.Ntxiv rau qhov kev siv ib txwm siv, cov tshuaj tiv thaiv kab mob tau tshawb pom rau cov ntawv thov. nyob rau hauv biomedicine los tsim non-invasive smart sensing devices thiab point-of-care diagnostics.
Ntau qhov kev tshawb fawb tau ua tiav hauv cheeb tsam no thiab qee qhov kev tsim kho tshiab tsim nyog tau tsim.Piv txwv li, Google lens yog lub ntsej muag ntse uas tuaj yeem siv los saib xyuas cov qib qabzib hauv cov kua muag thiab muab cov ntaub ntawv kuaj mob rau cov neeg mob ntshav qab zib.Intraocular siab thiab qhov muag. Kev txav mus los tuaj yeem saib xyuas siv cov khoom siv ntse.Nanostructured cov ntaub ntawv tau muab tso rau hauv cov ntse tiv tauj lub lens-raws li kev paub lub platform los ua cov sensors.
Txawm li cas los xij, kev siv cov khoom siv no tuaj yeem nyuaj, cuam tshuam kev lag luam kev loj hlob ntawm kev sib cuag lo ntsiab muag raws li platforms.Kev hnav lub ntsej muag rau lub sijhawm ntev tuaj yeem ua rau tsis xis nyob, thiab lawv nyiam qhuav, ua rau muaj teeb meem ntau dua rau cov neeg hnav. cuam tshuam nrog cov txheej txheem blinking ntuj, ua rau cov dej tsis txaus thiab kev puas tsuaj rau cov nqaij mos ntawm tib neeg lub qhov muag.
Cov txheej txheem ib txwm muaj xws li qhov muag tee thiab cov twj tso kua mis, uas txhim kho kua muag stimulation kom hydrate lub qhov muag.Ob txoj kev tshiab tau tsim nyob rau xyoo tas los no.
Nyob rau hauv thawj txoj kev, ib txheej graphene yog siv los txo cov dej evaporation, txawm hais tias txoj kev no yog hampered los ntawm complex fabrication txoj kev. Nyob rau hauv lub thib ob txoj kev, electroosmotic flow yog siv los ua kom lub lens hydrated, txawm hais tias txoj kev no yuav tsum tau kev txhim kho ntawm txhim khu kev qha biocompatible. roj teeb.
Kev sib cuag lo ntsiab muag yog ib txwm tsim los ntawm kev siv tshuab dhos machining, tsim thiab spin casting txoj kev.Molding thiab spin-casting cov txheej txheem muaj nqi zoo, tab sis lawv yog hampered los ntawm complex post-processing kev kho mob los txhim kho cov khoom adhesion rau pwm nto.Lathe fabrication yog ib tug complex thiab kim txheej txheem nrog tsim txwv.
Kev tsim khoom ntxiv tau tshwm sim los ua ib qho kev cog lus rau lwm txoj kev siv tshuaj tiv thaiv lo ntsiab muag.Cov tswv yim no muab cov txiaj ntsig xws li lub sij hawm txo, kev ywj pheej ntau dua, thiab kev siv nyiaj ntau dua.3D luam ntawv ntawm cov lo ntsiab muag thiab cov khoom siv kho qhov muag tseem nyob hauv nws cov me nyuam mos, thiab kev tshawb fawb ntawm Cov txheej txheem no tsis muaj. Cov kev sib tw tshwm sim nrog kev poob ntawm cov qauv nta thiab tsis muaj zog interfacial adhesion hauv kev ua haujlwm tom qab.Kev txo qis cov kauj ruam ua rau cov qauv smoother, uas txhim kho adhesion.
Txawm hais tias kev tshawb fawb ntau thiab ntau tau tsom mus rau kev siv 3D luam ntawv txoj kev los ua cov lo ntsiab muag, tsis muaj kev sib tham txog kev ua pwm piv rau cov lo ntsiab muag lawv tus kheej.Combining 3D printing technology nrog tsoos manufacturing txoj kev muaj qhov zoo tshaj plaws ntawm ob lub ntiaj teb.
Cov kws sau ntawv tau siv txoj hauv kev tshiab rau 3D luam tawm tus kheej-wetting lo ntsiab muag.Cov qauv tseem ceeb yog fabricated siv 3D luam ntawv, thiab cov qauv tsim los ntawm AutoCAD thiab stereolithography, ib hom 3D luam ntawv txheej txheem.Qhov txoj kab uas hla ntawm cov tuag yog 15 hli thiab cov lub hauv paus arc yog 8.5 mm.Cov kauj ruam loj hauv kev tsim khoom tsuas yog 10 µm, kov yeej cov teeb meem ib txwm muaj nrog 3D luam ntawv lo ntsiab muag.
Ntse Tiv Thaiv Lenses
Qhov chaw kho qhov muag ntawm cov khoom siv lo ntsiab muag yog smoothed tom qab luam ntawv thiab rov ua dua mus rau PDMS, cov khoom siv elastomeric mos.Cov txheej txheem ua haujlwm hauv cov kauj ruam no yog cov txheej txheem mos lithography.Ib qho tseem ceeb ntawm cov lo ntsiab muag luam tawm yog qhov muaj qhov nkhaus microchannels hauv cov qauv. , uas ua rau lawv muaj peev xwm ua rau nws tus kheej ntub. Tsis tas li ntawd, lub lens muaj lub teeb kis tau zoo.
Cov kws sau ntawv pom tias txheej txheej txheej txheem ntawm cov qauv dictated qhov ntev ntawm cov microchannels, nrog cov channel ntev luam tawm nyob rau hauv nruab nrab ntawm lub lens thiab luv luv ntawm cov npoo ntawm cov qauv luam tawm.Txawm li cas los xij, thaum raug oxygen plasma, cov qauv ua hydrophilic. , yooj yim rau capillary-driven kua ntws thiab ntub cov ntaub ntawv luam tawm.
Vim tias tsis muaj microchannel loj thiab kev tswj kev faib tawm, cov microchannels nrog cov microchannels zoo-txhais tau zoo thiab txo cov kauj ruam cuam tshuam tau luam tawm mus rau tus qauv qauv thiab tom qab ntawd rov ua dua rau ntawm lub lens tiv tauj.Siv acetone los polish qhov chaw kho qhov muag ntawm lub ntsiab qauv thiab luam tawm nkhaus capillaries. kom hla qhov poob ntawm lub teeb kis tau tus mob.
Cov kws sau ntawv hais tias lawv txoj kev tshiab tsis tsuas yog txhim kho tus kheej moisturizing muaj peev xwm ntawm cov ntawv lo ntsiab muag, tab sis kuj muab lub platform rau kev txhim kho yav tom ntej ntawm lab-on-a-chip-enabled contact lenses.Qhov no qhib qhov rooj rau lawv siv raws li kev ua haujlwm tiag. -time biomarker nrhiav kom tau daim ntawv thov.Zuag qhia tag nrho, txoj kev tshawb no muab kev tshawb fawb nthuav qhia rau yav tom ntej ntawm kev tiv thaiv lub lens raws li biomedical li.
Lub sij hawm xa tuaj: Plaub Hlis-30-2022
