State the size range of structures which are involved in nanotechnology.

Discuss two implications of nanotechnology.

1 nm to 100 nm;

reference to effect on human health (e.g. unknown, immune system may not cope, unsatisfactory toxicity regulations);

reference to effect on employment (e.g. increased job opportunities, adverse effect on traditional industries);

reference to effect on quality of life (e.g. medical advances, faster computers, improved performance of electronic equipment);

reference to public opinion (e.g. need to improve information, encourage discussion, seek approval);

reference to nanotechnology being developed in wealthier nations hence increasing the divide between different nations;

As a relatively new topic, nanotechnology still seems to present a significant challenge to the small proportion of candidates studying Option C and whilst many knew the scale upon which it operated and a few could gain credit for implications, usually related to health concerns, hardly any could distinguish between physical and chemical techniques.

As a relatively new topic, nanotechnology still seems to present a significant challenge to the small proportion of candidates studying Option C and whilst many knew the scale upon which it operated and a few could gain credit for implications, usually related to health concerns, hardly any could distinguish between physical and chemical techniques.