The Layer-by-Layer (LbL) assembly

The Layer-by-Layer (LbL) assembly, also called Electrostatic Self Assembly Multilayer (ESAM), consists of the immersion of the substrate into alternate solutions with opposite electric charge [1]. This electrostatic attraction is the main force of adhesion to the surface of the substrate. It was discovered in 1966 although this technique went unnoticed until the nineties, when… Continue reading The Layer-by-Layer (LbL) assembly

Sol-gel biomedical applications: Hydroxyapatite, bone repair

Hydroxyapatite – Ca5(OH)(PO4)3–  is a complex phosphate of calcium that has chemical and structural resemblance to bone [1]. Thanks to these properties similar to bone and teeth, hydroxyapatite is commonly used for tissue repair. Hydroxyapatite has been widely used for bone defects reparation in dentistry and orthopedics, tooth replacement, alveolar ridges augmentation or and maxillofacial… Continue reading Sol-gel biomedical applications: Hydroxyapatite, bone repair

Dip coating process

Dip coating is a widely used deposition technique used to obtain nanometric films. Dip Coating deposition process can be divided into five steps. In the continuous process, the steps are carried out directly after each other: Immersion: The substrate is immersed into a solution of the material to be deposited at a constant immersion rate.… Continue reading Dip coating process