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15 cards from this deck
1-100 nanometres
1×10−91 \times 10^{-9}1×10−9 metres (0.000000001 m)
As particles decrease in size, surface area becomes large compared to volume
Large surface area speeds up reactions
Drug delivery systems targeting specific areas in body
Better UV protection due to more even coverage
Antimicrobial properties reduce odour & kill bacteria
Increased strength & durability in materials
Water purification systems & environmental remediation
Extend shelf life by preventing bacterial growth
Pass through biological barriers (skin, blood-brain barrier)
Enter microorganisms, food chain, animals & plants
Lubricants for machinery (gears, artificial joints)
Surgical masks & wound dressings (in polymer fibres)
Antibacterial properties, help prevent infections
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