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@ARTICLE{Schiza:298410,
      author       = {A. Schiza and A. Nega$^*$ and A.
                      Dimitrakopoulou-Strauss$^*$ and V. G. Gregoriou and C. L.
                      Chochos},
      title        = {{S}urfactant-{F}ree {S}table {A}queous {S}hortwave
                      {I}nfrared {A}mphiphilic π-{C}onjugated {P}olymer
                      {N}anoparticles.},
      journal      = {Macromolecular rapid communications},
      volume       = {46},
      number       = {6},
      issn         = {1022-1336},
      address      = {Weinheim},
      publisher    = {Wiley-VCH},
      reportid     = {DKFZ-2025-00266},
      pages        = {e2400739},
      year         = {2025},
      note         = {2025 Apr;46(6):e2400739},
      abstract     = {Novel amphiphilic π-conjugated polymer nanoparticles
                      tailored to efficiently absorb in the near-infrared II
                      (NIR-II) region of the electromagnetic spectrum (>1000 nm)
                      are presented. To achieve this, it is statistically
                      introduced triethylene glycol substituted bithiophene
                      moieties in various contents into a polymer backbone
                      consisting of alternating thiophene and
                      [1,2,5]thiadiazolo[3,4-g]quinoxaline. Through systematic
                      modifications of monomer ratios, four amphiphilic conjugated
                      polymers are produced. The presence of hydrophilic side
                      chain, like triethylene glycol monomethyl ether, enhanced
                      the polymer's concentration in aqueous media of up to
                      $470\%,$ versus the D-A thiophene and
                      [1,2,5]thiadiazolo[3,4-g]quinoxaline hydrophobic analog
                      polymer, enabling the production of surfactant-free
                      conjugated polymer nanoparticles (CPNs) with higher
                      concentrations (20.3 ppm maximum). Subsequently, the impact
                      of this structural fine-tuning on the optical properties of
                      the polymers and their corresponding CPNs are meticulous
                      investigated. In both cases, it is identified the minimum
                      bithiophene content that maintained the absorption spectra
                      above 1000 nm at significantly higher concentrations. So,
                      these findings contribute to the extensive prospects of
                      these materials in multiple fields including biomedical and
                      optoelectronic applications.},
      keywords     = {conjugated polymers (Other) / photothermal (Other) /
                      polymer nanoparticles (Other) / shortwave infrared (Other) /
                      sustainable solvents (Other)},
      cin          = {E060},
      ddc          = {540},
      cid          = {I:(DE-He78)E060-20160331},
      pnm          = {315 - Bildgebung und Radioonkologie (POF4-315)},
      pid          = {G:(DE-HGF)POF4-315},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:39887749},
      doi          = {10.1002/marc.202400739},
      url          = {https://inrepo02.dkfz.de/record/298410},
}