3 years ago

Polysulfobetaine-surfactant solutions and their use in stabilizing hydrophobic compounds in saline solution

Polysulfobetaine-surfactant solutions and their use in stabilizing hydrophobic compounds in saline solution
A star shaped poly(sulfobetaine methacrylate) (PSBMA) and its linear analogs, display upper-critical-solution-temperature (UCST) type behavior in 0.1 M NaCl. The presence of sodium dodecyl sulfate (SDS) or cetyl trimethyl ammonium bromide (CTAB) has a significant effect on the thermal transition of the polymer. The association of the polymer with the surfactants is confirmed by isothermal titration calorimetry (ITC) and infrared (IR) spectroscopy. SDS forms hydrophobic domains along the polymer chains, preventing the polymers from undergoing a thermal phase transition. These domains can be used to capture 1-anilino-8-naphthalenesulfonate (1,8-ANS), pyrene and curcumin, and increase their fluorescence intensity. Curcumin, which is unstable in aqueous solutions, is stabilized against degradation upon solubilisation by the PSBMA-SDS complexes.

Publisher URL: www.sciencedirect.com/science

DOI: S0032386117308443

You might also like
Discover & Discuss Important Research

Keeping up-to-date with research can feel impossible, with papers being published faster than you'll ever be able to read them. That's where Researcher comes in: we're simplifying discovery and making important discussions happen. With over 19,000 sources, including peer-reviewed journals, preprints, blogs, universities, podcasts and Live events across 10 research areas, you'll never miss what's important to you. It's like social media, but better. Oh, and we should mention - it's free.

  • Download from Google Play
  • Download from App Store
  • Download from AppInChina

Researcher displays publicly available abstracts and doesn’t host any full article content. If the content is open access, we will direct clicks from the abstracts to the publisher website and display the PDF copy on our platform. Clicks to view the full text will be directed to the publisher website, where only users with subscriptions or access through their institution are able to view the full article.