What happens when a swelling controlled system is exposed to aqueous environment?
A) Polymer matrix softens and turns into a gel
B) Swelling propagates outwards radially
C) Polymer chains entangle forming compact matrix
D) The swollen and non-swollen matrices move close to each other
Correct Answer:
Verified
Q9: Which of the following are diffusion controlled
Q10: Which of the following is a type
Q11: In erosion controlled systems,the drug is
A) Coated
Q12: During "burst phase"
A) Dosage form bursts
B) Surface
Q13: What is self-healing?
A) Treating oneself without consulting
Q15: The initial drug release in swelling controlled
Q16: Initial drug release from a bulk eroding
Q17: Viadur is an example for which of
Q18: Briefly explain what happens during the lag
Q19: Why is surface erosion tough to achieve
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