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Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Polymers
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In what ratio PGA & PLA is used to make absorbable sutures to close an internal or external wound and has replaced catgut.

$\begin{array}{1 1}(a)\;96 : 4&(b)\; 10 : 90\\(c)\;90: 10&(d)\;45 : 55\end{array}$

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A copolymer of PGA & PLA (90:10) is used to make absorbable sutures to close an internal or external wound and has replaced catgut.These are completely degraded and absorbed by the body with in 15 days to one month of surgery.
Hence (c) is the correct answer.
answered Mar 12, 2014 by sreemathi.v
 
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