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Gold Coated Optical Microneedles Lens Array for Photothermal Therapy

Photothermal therapy has been widely used for the treatment of skin disease such as Telangiectasia or skin cancer due to the profound benefit because of the noninvasiveness and selectivity. However, due to the limited penetration of light in skin tissue with the presence of melanin, safe and effective photothermal therapy using laser becomes challenging when the photon interacts with other biomolecule before reaching the target. Therefore, we proposed an Optical Microneedle Lens Array (OMLA) coated with gold to improve photothermal therapy efficiency. This device plays a role of light guiding so that it can deliver photon at target precisely.