| 1 | This process continues until the polypeptide chain is complete; | |
| 2 | The polypeptides can enhance the expression of mRNA of collagenⅠ of osteoblasts. | |
| 3 | Now I start to use the products that contain peptide. This is a very popular concept in whitening treatment now. | |
| 4 | The group has previously shown that alpha-helical peptides can be imitated by something called a alpha-hairpin turn. | |
| 5 | The researchers produced a peptide mimetic, a molecule that imitates the structure of the desired peptide. |