Smarter Delivery, Not Stronger Drugs
Conventional chemotherapy distributes toxic agents systemically, with less than 0.7% of any injected nanoparticle dose reaching the tumor site. This essay describes Project Avaia's approach to active targeted drug delivery using biohybrid microrobots — living Chlamydomonas reinhardtii algae cells coated with iron oxide (Fe₃O₄) nanoparticles and loaded with a therapeutic payload guided to tumors…