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VERSION:2.0
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SUMMARY:Building up DNA  (and other molecules)\, bit by bit
DTSTART:20221123T153000Z
DTEND:20221123T173000Z
DTSTAMP:20260725T125324Z
UID:ab4e83e0-684f-479d-835d-1dd3bf865f87
SEQUENCE:1
CREATED:20221117T143826Z
DESCRIPTION: The properties of large aggregates of particles\, be they col
 loidal clusters ormacromolecules\, often depend crucially on the precise a
 rrangement of their buildingblocks. Examples are the nature of the de-mixi
 ng in reacting polymer blends\; theability of some elastomers to exhibit s
 train-induced periodic textures\; or the selfhealing nature of some copoly
 mers over a narrow range of compositions. However\, theactual sequence of 
 building blocks is not usually experimentally accessible: knowing itwould 
 allow\, e.g.\, the reverse engineering of structures with desirable behavi
 ours. Wedevelop a simple theory that treats self-assembly as reversible ch
 emical reactions. Wethen apply this to the assembly of DNA copolymers from
  two types of duplexes\, asdescribed by the oxDNA model. We find that the 
 theory reproduces well the statisticsof chain lengths from simulations. Ou
 r results suggest that theories incorporating verylimited molecular detail
  may be useful for predicting the broad equilibrium features\,and even som
 e kinetic aspects\, of copolymerisation. 
LAST-MODIFIED:20221117T143826Z
LOCATION:Sala de Seminários do DF\,  Pavilhão de Física\, 2º piso
URL:http://df.vps.tecnico.ulisboa.pt/pt/eventos/building-up-dna-and-other-
 molecules-bit-by-bit/
X-ALT-DESC;FMTTYPE=text/html:<p data-block-key="c0j7l"> The properties of 
 large aggregates of particles\, be they colloidal clusters ormacromolecule
 s\, often depend crucially on the precise arrangement of their buildingblo
 cks. Examples are the nature of the de-mixing in reacting polymer blends\;
  theability of some elastomers to exhibit strain-induced periodic textures
 \; or the selfhealing nature of some copolymers over a narrow range of com
 positions. <br/><br/>However\, theactual sequence of building blocks is no
 t usually experimentally accessible: knowing itwould allow\, e.g.\, the re
 verse engineering of structures with desirable behaviours. <br/><br/>Wedev
 elop a simple theory that treats self-assembly as reversible chemical reac
 tions. Wethen apply this to the assembly of DNA copolymers from two types 
 of duplexes\, asdescribed by the oxDNA model. We find that the theory repr
 oduces well the statisticsof chain lengths from simulations. <br/><br/>Our
  results suggest that theories incorporating verylimited molecular detail 
 may be useful for predicting the broad equilibrium features\,and even some
  kinetic aspects\, of copolymerisation. </p>
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