Compatibilization effects in thermoplastic protein/polyester blends

2017 ◽  
Vol 135 (6) ◽  
pp. 45808 ◽  
Author(s):  
Matthew J. Smith ◽  
Casparus J. R. Verbeek
2009 ◽  
Vol 6 ◽  
pp. 133-145 ◽  
Author(s):  
Raul Machado ◽  
A.J. Ribeiro ◽  
J. Padrão ◽  
D. Silva ◽  
A. Nobre ◽  
...  

Genetic engineering was used to produce an elastin-like polymer (ELP) with precise amino acid composition, sequence and length, resulting in the absolute control of MW and stereochemistry. A synthetic monomer DNA sequence encoding for (VPAVG)20, was used to build a library of concatemer genes with precise control on sequence and size. The higher molecular weight polymer with 220 repeats of VPAVG was biologically produced in Escherichia coli and purified by hot and cold centrifugation cycles, based on the reversible inverse temperature transition property of ELPs. The use of low cost carbon sources like lactose and glycerol for bacteria cells culture media was explored using Central Composite Design approach allowing optimization of fermentation conditions. Due to its self-assembling behaviour near 33 °C stable spherical microparticles with a size ~ 1µm were obtained, redissolving when a strong undercooling is achieved. The polymer produced showed hysteresis behaviour with thermal absorbing/releasing components depending on the salt concentration of the polymer solution.


2020 ◽  
Vol 137 (45) ◽  
pp. 49393
Author(s):  
Jussi M. Uitto ◽  
Casparus J. R. Verbeek ◽  
Carlos Bengoechea

2011 ◽  
Vol 17 (2) ◽  
pp. 208-219 ◽  
Author(s):  
Jim M. Bier ◽  
Casparus J. R. Verbeek ◽  
Mark C. Lay

2018 ◽  
Vol 53 (22) ◽  
pp. 15703-15716 ◽  
Author(s):  
Chanelle Gavin ◽  
Casparus J. R. Verbeek ◽  
Mark C. Lay

2013 ◽  
Vol 130 (1) ◽  
pp. 359-369 ◽  
Author(s):  
James Michael Bier ◽  
Casparus Johannes Reinhard Verbeek ◽  
Mark Christopher Lay

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