Talk:Polyhydroxybutyrate

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[edit] Proposed merge with Poly-3-hydroxybutyrate

I believe both of these articles have merit, but as I understand it there is a great deal of overlap in content area, it should only be one single, good article. Could someone who knows the field add appropriate redirects to prevent this happening again! Walkerma 06:04, 30 July 2005 (UTC)

I think they should be merged because a poly-3-hydroxybutyrate section can be put within the polyhydroxybutyrate main article. User: Dr McGee 23:39, 3 November 2005

User: Tarret had already merged the PHB and P3HB articles, however I decided to work more on this article to better integrate the contents of the two original articles. I didn't feel like a P3HB paragraph was really required because all info contained in the P3HB article dealt with PHB in general not specifically the P3HB form. Berserker79 14:12, 17 November 2005 (UTC)

Thanks, this was definitely needed. Walkerma 14:54, 17 November 2005 (UTC)

Just a quick correction which may need to be made. Is Biopol really PHB? Isn't it the copolymer P(HB-HV), which is made from random HB, HV monomers?

If an expert/someone with more knowledge could confirm this it would be good. Cheers

[edit] Polylactic acid

Isn't polylactic acid also a PHA? Shouldn't it be mentioned? --Kupirijo 09:28, 19 June 2007 (UTC)

[edit] Monomers

What are the monomers that make up this stuff? Lactic acid and 2-Hydroxybutyric acid? Albmont (talk) 20:47, 22 January 2008 (UTC)

As far as I can tell, P3HB is synthesized by microorganisms using hydroxybutyryl-CoA (hydroxybutyric acid coupled with Coenzyme A). Chemical synthesis likely uses hydroxybutyric acid as well; I'm not 100% sure and someone else with more polymer chemistry knowledge should confirm if this is corret, but I think you may prepare PHB by means of ring-opening polymerization with hydroxybutyric acid.
On the other hand lactic acid has nothing to do with PHB, it is used to prepare polylactide (PLA) or its copolymers (e.g. PLGA). Berserker79 (talk) 18:19, 23 January 2008 (UTC)