Cov kws tshawb fawb tau tshawb pom qhov zais cia ntawm lub zog loj ntawm ntsaum cov hniav

Cov kws tshawb fawb tau tshawb pom qhov zais cia ntawm lub zog loj ntawm ntsaum cov hniav
Cov kws tshawb fawb tau tshawb pom qhov zais cia ntawm lub zog loj ntawm ntsaum cov hniav
Anonim

Cov duab atomic-scale tau qhia tias ntsaum thiab qee yam kab muaj hniav ntse thiab muaj zog. Ib txoj kev tshawb fawb cuam tshuam tau tshaj tawm hauv Science Daily.

Cov kws tshawb fawb tau siv tsom tsom tsom iav thiab pom tias cov hniav ntsaum no yog sib xyaw ua ke ntawm cov protein thiab zinc. Muaj ntau cov zinc atoms, tag nrho pawg tau txuas rau qee cov amino acid units - zinc ua txog li ib feem kaum ntawm tag nrho pawg ntawm cov ntsaum cov hniav.

“Yog lawm, ntsaum muaj cov hniav, txhua tus neeg uas tau nce mus rau saum roob ntsaum tuaj yeem lees paub. Cov txheej txheem tshwj xeeb no, thev naus laus zis hu ua "mandibular teeth" - lawv tau txuas sab nraud ntawm lawv lub qhov ncauj - tau ua los ntawm cov khoom siv uas nruj nreem khi ib leeg cov zinc atoms ua ke, "txoj kev tshawb fawb tau hais.

Pab pawg tshawb fawb tau suav tias vim tias cov khoom siv biomaterial no tuaj yeem nrawm dua, lawv tso cai rau tsiaj siv 60% lossis tsawg dua ntawm qhov quab yuam uas lawv yuav tau siv yog tias lawv cov hniav zoo sib xws hauv kev sib piv rau, piv txwv li, tib neeg cov hniav.

Cov kws tshawb fawb ceeb toom tias qee yam, xws li zinc thiab manganese, ua rau cov hniav nyuaj dua, tab sis nws tseem tsis tau paub meej tias cov khoom "tawv" nyob hauv lub cev zoo li cas.

"Peb ntseeg tias thaum tus menyuam dev ntaus ib yam nyuaj, cov zauv ntoo khaub lig-txuas no tuaj yeem ua ntej tawg, nqus lub zog kom cov hniav nws tus kheej tsis tawg. Peb xav tias kev nplua nuj ntawm cov zinc ntxiv yog npaj txhij rau kev kho hniav, "cov kws tshawb fawb sau.

Pom zoo: