Nyob rau hauv chemistry thiab biology cross-links yog ib daim ntawv cog lus los yog ib tug luv luv sequence ntawm bonds uas txuas ib tug polymer saw mus rau lwm tus. Cov kev sib txuas no tuaj yeem siv rau daim ntawv cog lus sib cog lus lossis ionic daim ntawv cog lus thiab cov polymers tuaj yeem yog cov khoom siv hluavtaws lossis cov polymers ntuj.
Kev sib txuas ua ke ua li cas?
Lub hom phiaj yog kom lub pob zeb tsis txhob thab ntau. Nws yog hu ua "cross-linking" vim nws ntxiv kev sib raug zoo ntawm collagen fibers hauv koj lub qhov muag. Lawv ua haujlwm zoo li cov kab hluav taws xob txhawb nqa los pab lub cornea nyob ruaj khov. Corneal cross-linking yog tib txoj kev kho mob uas tuaj yeem tiv thaiv kev mob keratoconus kom tsis txhob mob zuj zus.
Kev sib txuas sib txuas txhais li cas?
Crosslinking yog cov txheej txheem ntawm cov tshuaj koom nrog ob lossis ntau lub molecules los ntawm covalent daim ntawv cog lus. … Tag nrho cov txheej txheem ntawm crosslinking thiab hloov kho txoj hauv kev siv nrog cov proteins thiab lwm yam biomolecules hauv kev tshawb fawb lom neeg feem ntau hu ua "bioconjugation" lossis "bioconjugate" thev naus laus zis.
Crosslinking hauv chemistry yog dab tsi?
Keeb Kwm: Kev sib txuas tshuaj tshuaj yog hais txog rau kev sib xyaw ua ke lossis kev sib koom ua ke ntawm ob lossis ntau lub molecules los ntawm cov nyiaj sib cog lus. Cov reagents uas siv rau lub hom phiaj yog hu ua 'crosslinking reagents' lossis 'crosslinkers'. … Yog li, kev sib txuas tshuaj lom neeg muaj ntau yam siv uas nws tuaj yeem muab tso rau.
Kev sib txuas sib txuas txhais li cas hauv polymers?
Muaj yooj yim, crosslinking suav nrog atshuaj lom neeg cov tshuaj tiv thaiv ntawm polymer chains los txuas lawv ua ke. … Crosslinking tuaj yeem cuam tshuam ntau qhov kawg ntawm cov ntawv thov feem ntau, suav nrog: Txheej tshuaj tiv thaiv. Polymer flow zog - thaiv thiab luam tawm tsis kam.
