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How to amplify epidermal stem cells (ESCs) rapidly is a challenging crux in skin tissue engineering research. The present study describes the preparation of 3D micronized (300–600 μm) amniotic membrane (mAM) by means of repeated freeze-thawing cycles to deplete cell components and homogenized with a macrohomogenizer in liquid nitrogen. This newly prepared mAM not only possessed the characteristics...
A series of quantum dots (QDs), CdSe, CdSe/CdS and CdSe/ZnSe, coated with l-arginine-modified β-cyclodextrin (β-CD-l-Arg) were prepared in a solution of H2O and hexane by ultrasonic method and characterized using PL, UV–vis, TEM, EDX and FTIR techniques. We observed that β-CD-l-Arg-coated QDs are water-soluble and stable with high colloidal properties in water. Their photophysical properties are similar...
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