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About

Han Tong Loh is a researcher whose work sits at the intersection of robotics, rapid prototyping, and biomedical engineering, with a particular focus on tissue engineering scaffold fabrication. His most influential contributions center on the development of robotic dispensing systems capable of constructing three-dimensional biological scaffolds with precision and repeatability. His 2002 landmark paper on the fabrication of 3D chitosan–hydroxyapatite scaffolds using a robotic dispensing system has accumulated 273 citations, establishing him as a pioneering figure in computer-controlled biofabrication. This work demonstrated how automated robotic platforms could reliably produce complex porous structures from biomaterials suited for bone and tissue regeneration. Building on this foundation, Loh extended the methodology to direct writing of chitosan scaffolds in 2005 (125 citations) and explored multi-dispenser robotic architectures to expand fabrication versatility. Beyond biomedical applications, his research also touches on engineering knowledge management, including the development of product design databases for robotic systems. Loh's body of work reflects a consistent effort to bridge advanced manufacturing technologies with practical biomedical and engineering design challenges, making him a notable contributor to the early development of scaffold-based tissue engineering fabrication methods.