Phage Display Screening as a Rational Approach to Design Additives for Selective Crystallization Control in Construction Systems

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Advanced Materials. Wiley. 2023, 35(20), 2210015. ISSN 0935-9648. eISSN 1521-4095. Available under: doi: 10.1002/adma.202210015
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The design of additives showing strong and selective interactions with certain target surfaces is key to crystallization control in applied reactive multicomponent systems. While suitable chemical motifs can be found through semi-empirical trial-and-error procedures, bioinspired selection techniques offer a more rationally driven approach and explore a much larger space of possible combinations in a single assay. Here we use phage display screening to characterize the surfaces of crystalline gypsum, a mineral of broad relevance for construction applications. Based on next-generation sequencing of phages enriched during the screening process, we identify a triplet of amino acids, DYH, as main driver for adsorption on the mineral substrate. Furthermore, oligopeptides containing this motif prove to exert their influence in a strictly selective manner during the hydration of cements, where the sulfate reaction (initial setting) is strongly retarded while the silicate reaction (final hardening) remains unaffected. In a final step, these desired additive characteristics are successfully translated from the level of peptides to that of scalable synthetic copolymers. The approach described in this work demonstrates how modern biotechnological methods can be leveraged for the systematic development of efficient crystallization additives for materials science.

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ISO 690MADEJA, Benjamin, Patrick WILKE, Eduard SCHREINER, Rupert KONRADI, Johanna SCHECK, Julien BIZZOZERO, Luc NICOLEAU, Elisabeth WAGNER, Helmut CÖLFEN, Matthias KELLERMEIER, 2023. Phage Display Screening as a Rational Approach to Design Additives for Selective Crystallization Control in Construction Systems. In: Advanced Materials. Wiley. 2023, 35(20), 2210015. ISSN 0935-9648. eISSN 1521-4095. Available under: doi: 10.1002/adma.202210015
BibTex
@article{Madeja2023Phage-66415,
  year={2023},
  doi={10.1002/adma.202210015},
  title={Phage Display Screening as a Rational Approach to Design Additives for Selective Crystallization Control in Construction Systems},
  number={20},
  volume={35},
  issn={0935-9648},
  journal={Advanced Materials},
  author={Madeja, Benjamin and Wilke, Patrick and Schreiner, Eduard and Konradi, Rupert and Scheck, Johanna and Bizzozero, Julien and Nicoleau, Luc and Wagner, Elisabeth and Cölfen, Helmut and Kellermeier, Matthias},
  note={Article Number: 2210015}
}
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