Cited by 455Electrostatics and Colloid InteractionsAdvanced Polymer Synthesis and CharacterizationHydrogels: synthesis, properties, applications

The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.

The pH-responsive behaviour of poly(acrylic acid) in aqueous solution is dependent on molar mass

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Abstract

Fluorescence spectroscopy on a series of aqueous solutions of poly(acrylic acid) containing a luminescent label showed that polymers with molar mass, Mn < 16.5 kDa did not exhibit a pH responsive conformational change, which is typical of higher molar mass poly(acrylic acid). Below this molar mass, polymers remained in an extended conformation, regardless of pH. Above this molar mass, a pH-dependent conformational change was observed. Diffusion-ordered nuclear magnetic resonance spectroscopy confirmed that low molar mass polymers did not undergo a conformational transition, although large molar mass polymers did exhibit pH-dependent diffusion.

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Crossref · 10.1039/c5sm02693h

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Metadata

Authors
Swift, T., Swanson, L., Geoghegan, M., & Rimmer, S.
Affiliations
  • University of Bradford (GB)
  • University of Sheffield (GB)
Corresponding author
  • Geoghegan, Mark
  • Rimmer, Stephen
Venue
Soft Matter
Published
2016
Volume
12
Issue
9
Pages
2542-2549
ISSN
  • 1744-683X (ISSN-L)
  • 1744-6848
OpenAlex
W2288268375
Cited by
455
References
48
Citations by year
2026: 43 · 2025: 48 · 2024: 52 · 2023: 49 · 2022: 46 · 2021: 57 · 2020: 47 · 2019: 46 · 2018: 30 · 2017: 31 · 2016: 6
FWCI
25.76
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Soft Matter (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • White Rose Research Online (University of Leeds, The University of Sheffield, University of York) (acceptedVersion)
  • Bradford Scholars (University of Bradford) (submittedVersion)
  • Newcastle University ePrints (Newcastle Univesity) (cc-by)
Funders
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung
  • Engineering and Physical Sciences Research Council
Topics
  • Physical Sciences › Chemistry › Physical and Theoretical Chemistry › Electrostatics and Colloid Interactions
  • Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
  • Physical Sciences › Materials Science › Biomaterials › Hydrogels: synthesis, properties, applications
Keywords
poly(acrylic acid), pH-responsive polymers, molar mass dependence, conformational change, chain conformation, polymer diffusion, aqueous polymer solutions

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