This is in Nature Nanotechnology,not Nature, by the way, which is not clear from the domain.

This, if true, is fascinating and more than a little scary.

I'm imagining a situation where someone can somehow send the apoptosis signal to every cell in my body.

The fun thing about biology is that if there can be something built by a true omniscient creator, then biology is the closest thing to it. All of reality and all of physics is used. It is simply what works no matter how arcane or difficult to understand the concept and mechanisms behind it is. Like all engineering projects there are still physical constrains of course but there is no limit on the technology allowed. There is simply no "cutting edge knowledge" or "unexplored science" to evolution. Literally everything can be applied within the physical constraints of a carbon-based lifeform

Abstract

Quantum biological tunnelling for electron transfer is involved in controlling essential functions for life such as cellular respiration and homoeostasis. Understanding and controlling the quantum effects in biology has the potential to modulate biological functions. Here we merge wireless nano-electrochemical tools with cancer cells for control over electron transfer to trigger cancer cell death. Gold bipolar nanoelectrodes functionalized with redox-active cytochrome c and a redox mediator zinc porphyrin are developed as electric-field-stimulating bio-actuators, termed bio-nanoantennae. We show that a remote electrical input regulates electron transport between these redox molecules, which results in quantum biological tunnelling for electron transfer to trigger apoptosis in patient-derived cancer cells in a selective manner. Transcriptomics data show that the electric-field-induced bio-nanoantenna targets the cancer cells in a unique manner, representing electrically induced control of molecular signalling. The work shows the potential of quantum-based medical diagnostics and treatments.