Introduction: Overall vision of ethics in nanotechnology developments

presents an overview of new and emerging nanotechnologies and their societal and ethical implications. To support sustainable, ethical, and economic nano-technological development, it is imperative to educate all nanotechnology scientists, engineers, and stakeholders about the long-term benefits, limitations, and risks of nanotechnology. In the introduction, we provide the reader with an insight into the multiple societal and ethical questions raised by nanotechnology.