Injectable 3-D vaccines could fight cancer, infectious diseases

A non-surgical injection of programmable biomaterial that spontaneously assembles in vivo into a 3-D structure could fight and even help prevent cancer and also infectious disease such as HIV, scientists have demonstrated. Tiny biodegradable rod-like structures made from silica, known as mesoporous silica rods (MSRs), can be loaded with biological and chemical drug components and then delivered by needle just underneath the skin, they explain.

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