Colloidal silver supplements, tiny silver particles that are suspended in a liquid, have been advertised as an alternative medicine. Companies selling colloidal silver claim that the supplements ...
Occasionally referred to as ‘colloidal gold,’ gold colloid is a suspension comprising sub-micron gold nanoparticles suspended in a solvent - most commonly water. Gold nanoparticles' distinct ...
Colloidal semiconductor nanocrystals (NCs) are very attractive as optical gain media owing to their ease of fabrication, wide size-dependent colour tunability and spectrally narrow gain profiles 1,2,3 ...
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