| abstract |
The present invention relates to hydrogels that include: (a) at least one natural polymer supplied with a negative electric charge; (b) at least one molecule that is a natural constituent of the human body able to act as a cationic cross-link of the aforementioned polymer or polymers. The invention likewise relates to use of same in medicines or health products; in tissue engineering or regenerative medicine; in cosmetic, hygiene or nutritional applications and in surface coatings. The invention also relates to methods for preparing same. |