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- Nanoparticles + Smart Materials

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Total cards: 14•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (14)

#1
Front (Question)

Nanoparticles - Advantages

Back (Answer)

• High surface area to volume ratio - Cheaper and more efficient than larger particles.

#2
Front (Question)

Nanoparticles - Disadvantages

Back (Answer)

• Unknown long-term impacts • Easily inhaled/abosrbed by skin • May cause fibrosis in lungs

#3
Front (Question)

Nanoparticles - Uses

Back (Answer)

• Catalysts • Deodorants • Suncream • Dressings • Self-cleaning windows • Fridge insides

#4
Front (Question)

Nanoparticles - Properties

Back (Answer)

• Anti-bacterial • Anti-fungal • Reflect UV light • High surface area • Transparent

#5
Front (Question)

Thermochromic Pigments

Back (Answer)

• Change colour at specific temperatures - Liquid crystals reorientate

#6
Front (Question)

Thermochromic Pigments - Uses

Back (Answer)

• Mugs • Battery power indicators • T-shirts

#7
Front (Question)

Photochromic Pigments

Back (Answer)

• Change colour with light intensity - Light breaks a bond so rearrange

#8
Front (Question)

Photochromic Pigments - Uses

Back (Answer)

• T-shirts - Photochromic glasses lenses

#9
Front (Question)

Shape-memory Polymer

Back (Answer)

• Plastics that regain their shape when heated - Can be shaped, stretched or deformed when soft

#10
Front (Question)

Shape-memory Polymer - Uses

Back (Answer)

• Sealing window frames • Sportswear like gum shields • Car bodies • Medical stitches (tension adjusting/biodegradable)

#11
Front (Question)

Shape-memory Alloys

Back (Answer)

• Alloys that regain their shape when heated - Often pseudoelastic and shape retentive

#12
Front (Question)

Shape-memory Alloys - Uses

Back (Answer)

• Deformable glasses frames • Surgical plates • Surgical wires (replace tendons) • Thermostats

#13
Front (Question)

Hydrogels

Back (Answer)

• Polymer gels that absorb or expel water • May swell or shrink if heat/pH changes • Cross-link structure

#14
Front (Question)

Hydrogels - Uses

Back (Answer)

• Artificial muscles • Plant granules • Nappy fillings • Fire fighting