Revision

What problem do IPNs help solve in hydrogel applications?

Weak mechanical strength and slow swelling response

What kind of functional group is found in pH-responsive hydrogels?

Ionizable groups

What polymer is cationic and pH-responsive, used for drug delivery?

Poly(DMAEMA)

Which material is a bioinert ceramic widely used in total hip replacements for its wear resistance and corrosion stability?

Alumina

Which implant-tissue response type involves tissue ingrowth into porous implants?

Type II: biological fixation

examples of bioinert ceramics

alumina, zirconia, pyrolytic carbon

examples of bioactive ceramics

hydroxyapatite (sintered at hight temp)

bioglass

examples of biodegradable ceramics

hydroxyapatite (cintered at low temp)

tricalcium phospate