Dear colleagues: 

Light based bioprinting has been actively investigated as one of the enabling technologies for the impending era of personalized medicine. These technologies, which use light for polymerization of biomaterials, have made significant progress in the quality, resolution and generation of precise complex tissue structures. Numerous fields have been disrupted by its introduction, such as tissue engineering and regenerative medicine. This is often attributed to the technology’s inherent versatility, unique ability to fabricate intricate designs, and cost-effectiveness compared to traditional manufacturing processes. This special issue will focus on the most common light-based technologies using photopolymerization including, Laser-based SLA, Mask-based SLA,  Digital Light Projection (DLP), two-photon bioprinting (TTP), laser induced forward transfer (LIFT),  laser-direct bioprinting (LDP), Volumetric 3D printing and any other novel light based bioprinting and biofabrication approaches; and their application to tissue engineering and regenerative medicine. In recent years, the evolution of these technologies has been growing along with the development of new photocurable resins and photoinitiators that are biocompatible and biodegradable with bioactive properties. Such evolution has allowed the progress of a large number of tissue engineering applications. With the broad application of 3D microstructures in the biomedical field, this special issue will also pay attention to the physicochemical properties of the resulting tissue structures, such as biocompatibility, biodegradability, stimuli responsiveness and immunogenicity.