Gold nanoparticles, when coated with a cancer antibody, are effective at binding to tumour cells and can be used in the diagnosis and treatment of cancer. When bound to the gold, the cancer cells scatter light, making it very easy to identify the noncancerous cells from the malignant ones.

Gold nanoparticles

TEM normal neutrophil

TEM swollen mitochondria in apoptotic cell.

Human heart (aorta) tissue displaying calcification

Human heart (aortic valve) tissue displaying calcification

Human heart (aortic valve) tissue displaying  calcification.

Human heart (mitral valve) tissue displaying calcification

Human immunodeficiency virus (HIV)

Gastrointestinal tract: cryptosporidiosis and HIV

Kidney stone

Osteoclast breaking down dentine, TEM

Osteocyte in cortical bone, SEM

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