Cov kws tshawb fawb tsim cov Nanoscale Flow-Driven Rotary Tsav uas tuaj yeem tsim cov tshuab ua haujlwm

Rotary motors uas tau tsav los ntawm qee qhov ntws yog siv rau lub sijhawm ntev hauv windmills thiab waterwheels. Ib qho zoo sib xws kuj tseem pom nyob rau hauv cov hlwb uas cov FoF1-ATP synthase tsim cov roj xav tau los ntawm cov hlwb kom ua haujlwm. Kos kev tshoov siab los ntawm qhov no, cov kws tshawb fawb ntawm Delft University of Technology tau tsim lub tshuab me me tshaj plaws uas tau tsav los ntawm DNA uas siv hluav taws xob lossis ntsev gradients los tsim lub zog siv tshuab. Rau kev tsim kho lub cev muaj zog, pab pawg tau siv cov txheej txheem hu ua DNA origami uas siv cov kev sib cuam tshuam tshwj xeeb ntawm cov DNA ua ke los tsim 2D thiab 3D nano-khoom.

Cov rotors kos lub zog los ntawm cov dej uas raug ntxias los ntawm kev siv hluav taws xob lossis los ntawm kev sib txawv ntawm cov ntsev ntawm ob sab ntawm daim nyias nyias. Los ntawm kev soj ntsuam, cov kws tshawb fawb tau tshawb nrhiav ntau dua thiab siv cov kev paub los tsim cov nanoscale turbines.

"Peb lub cev muaj zog yog tsim los ntawm cov khoom siv DNA. Cov qauv no yog docked mus rau ib tug nanopore, ib tug me me qhib, nyob rau hauv ib tug nyias nyias. Lub DNA pob ntawm tsuas yog 7-nanometer tuab nws tus kheej tsim nyob rau hauv ib qho hluav taws xob teb rau hauv ib qho kev teeb tsa zoo li rotor, uas tom qab ntawd tau teeb tsa rau hauv kev txhawb nqa kev sib hloov ntawm ntau dua 10 lub kiv puag ncig ib ob, " piav qhia Dr Xin Shi, postdoc nyob rau hauv lub department ntawm Bionanoscience ntawm TU Delft. Dr Shi kuj yog thawj tus sau phau ntawv txoj kev tshawb no luam tawm nyob rau hauv Ntuj Physics.

Raws li pab neeg no, qhov no yog thawj zaug uas lub rotor ntws-driven active rotor tau tsim nyob rau hauv ib tug nanoscale. Cov kws tshawb fawb tau xav tsis thoob thaum lawv thawj zaug pom qhov tshwm sim uas DNA rods npaj lawv tus kheej. Dr Shi hais ntxiv tias thaum muaj ntau cov ntaub ntawv muaj nyob rau ntawm cov motors teb, tsawg heev tsis paub txog lawv cov nanoscale version.

Lawv kuj tau ua ib qho kev sim thiab ua kom pom lub peev xwm ntawm lub turbine los nqa lub nra. Pab neeg no ntseeg tias txoj kev txhim kho tau qhib txoj hauv kev tshiab hauv kev tsim khoom ntawm cov neeg hlau nquag.


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