Journal
MACROMOLECULAR RAPID COMMUNICATIONS
Volume 42, Issue 7, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.202000671
Keywords
graft copolymers; metal sensors; polyampholyte; smart polymers; stimuli responsive materials
Categories
Funding
- Deutsche Forschungsgemeinschaft (DFG) [SCHA1640/18-1, TRR234, 364549901]
- German Research Council (DFG)
- European Fonds for Regional Development (EFRE)
- Projekt DEAL
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Polymeric sensors respond to pH, temperature, and metal cations, converting external triggers into measurable outputs. The synthesis relies on poly(dehydroalanine) (PDha) as the reactive backbone, producing materials with tunable composition and high sensitivity to certain metal cations.
Three triggers result in two measurable outputs from polymeric sensors: multiresponsive polyampholytic graft copolymers respond to pH-value and temperature, as well as the type and concentration of metal cations and therefore, allow the transformation of external triggers into simply measurable outputs (cloud point temperature (T-CP) and surface plasmon resonance (SPR) of encapsulated silver nanoparticles). The synthesis relies on poly(dehydroalanine) (PDha) as the reactive backbone and gives straightforward access to materials with tunable composition and output. In particular, a rather high sensitivity toward the presence of Cu2+, Co2+, and Pb2+ metal cations is found.
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